Combined reuse of service communication line and user communication line bandwidth

FIELD: wireless communication.

SUBSTANCE: device and method for wireless communication system with segment of direct/ascending communication line and segment of return/ascending communication line are allocated within bandwidth limits. Exactly network service area is separated for numerous areas. Allocation of direct/ascending communication line segment and return/ascending communication line segment is subject to transposition in numerous areas. Device and method can be realized within wireless multipath system.

EFFECT: improved transmission capacity of communication line.

26 cl, 17 dwg

 

The present application for patent claims priority based on provisional application No. 60/506102 entitled "Reuse of Mixed Feeder Link And User Link Bandwidth" ("Mixed reuse of bandwidth a service line connection and custom line), incorporated on September 24, 2003 and assigned it to the assignee, and hereby incorporated in the materials of the present application expressly by reference.

The technical field to which the invention relates

The invention generally relates to wireless communication systems, and more specifically, to wireless communication systems using multibeam satellites and with internal redundancy.

The level of technology

The satellite receives the signal from the transmitter in one location and sends a signal to the receiver in a different location. By "return" signals from the satellites, satellite systems may provide connectivity almost anywhere. Satellite system, moreover, can be relatively inexpensive, since very little ground infrastructure, such as, for example, phone lines and cell towers needed to cover very large areas and/or very long distances. These advantages make satellite system ideal for a wide diversity applied the th, includes high-speed data transmission and/or wireless broadband access.

However, a number of problems still to be overcome in order to provide more efficient and reliable based on satellite data transmission services. First, despite the fact that for a single multibeam satellite in geostationary orbit is possible to cover the service area the size of a large country, a relatively large number of rays, in the range from several tens to several hundreds, would be required to achieve the required capacity of the communication line. These rays form a closely spaced "honeycomb" shape to cover the service area to service a large number of users. This approach creates problems mezhluchevoy crosstalk, detrimental to overall system performance. Such crosstalk must be kept at an absolute minimum. Therefore, there is a need to focus on problems mezhluchevoy crosstalk to provide a more efficient system.

Disclosure of invention

Embodiments of which are disclosed in the materials of the present application, focus on the above needs by providing a method for stability in the data processing system. In one aspect, a method is used which has been created for satellite communication systems, in which part of the forward/uplink communication and a part of the reverse/uplink communications are allocated within the available band noise frequencies, contains the division of the service area in numerous areas and the permutation selection of forward/upward communication and part of the reverse/uplink communication in many areas. Permutation selection may include a selection of the first frequency band for forward/upward communication line, and the second frequency band for the backward/upward due, at least in the first field, and select the first frequency band for reverse/uplink communication, at least in the second region. In this case, the permutation can facilitate the selection of the first frequency band to any one of the forward/uplink connection or the return/uplink communication, at least in the third region; allocating a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the second region; or the allocation of a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the third area. Alternatively, the permutation selection may include a selection of the first frequency band for forward/upward communication, and the WTO the second band - for backward/upward due, at least in the first area, and the selection of the second frequency band for forward/upward due, at least in the second region. In this case, the permutation may further comprise allocating a second frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the third region; allocating a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the second region; or the selection of a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the third field.

In another aspect, a method for receiving transmission of uplink communications satellite, in which part of the forward/uplink connection and part of the reverse/uplink communications are allocated within the available band noise frequencies, contains the division of the service area in numerous areas, and reception of signals forward/upward and backward/upward communication in the appointment of mixed mode available band noise frequencies in many areas. The signal forward/upward and backward/upward communication may include receiving signals is s forward/uplink communication using the first frequency band and the return/uplink communication using the second frequency band, at least in the first area, and reception of signals reverse/uplink communication using the first frequency, at least in the second region. In this case, the signal forward/upward and backward/upward communication may further comprise receiving any one of the forward/uplink connection or the return/uplink communication using the first frequency, at least in the third region; the reception of signals from any one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the second region; or the reception of signals from any one of the forward/uplink connection or the return/uplink communication using the third frequency, at least, in the third region. Alternatively, the signal forward/upward and backward/upward communication may include receiving signals forward/uplink communication using the first frequency band and the return/uplink communications using the second frequency band, at least in the first area, and reception of signals forward/uplink communications using the second frequency, at least in the second region. In this case, the signal forward/upward and reverse the th/uplink connection may further comprise receiving any one of the forward/uplink connection or the return/uplink communications using the second frequency, at least, in the third region; the reception of signals from any one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the second region; or the reception of signals from any one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the third field.

In still another aspect, a method for transmitting uplink connection from the firewall interface on which part of the forward/uplink connection is allocated within the available band noise frequencies, contains the division of the service area on numerous areas of the signaling forward/uplink communication using the first frequency band, if the gateway is in the first area, and in another case, the transmission of signals forward/uplink communications using the second frequency band.

In still another aspect, a method for transmitting uplink communication from a terminal, in which a part of the reverse/uplink connection is allocated within the available band noise frequencies, contains the division of the service area in numerous areas, signaling reverse/uplink communication using the first frequency band, if the terminal is in p. the pout region, but otherwise, the transmission of signals reverse/uplink communications using the second frequency band.

In other aspects, a device for a satellite communication system, in which a part of the forward/uplink communication and a part of the reverse/uplink communications are allocated within the available band noise frequencies may include means for dividing the service area into numerous areas, and means for shifting the allocation of part of the forward/uplink connection and part of the reverse/uplink communication in many areas. A device used to transfer uplink communications satellite, which is part of the forward/upward and backward/upward communication lines are allocated within the available band noise frequencies includes means for dividing the service area into numerous areas and means for receiving signals forward/uplink communication signal and the reverse/uplink communication in the appointment of mixed mode available band noise frequencies in many areas. The device to send the uplink connection from the firewall interface on which part of the forward/uplink connection is allocated within the available band noise frequencies, includes a tool DL the separation zone service on numerous areas and means for transmitting signals forward/uplink communication using the first frequency band, if the gateway is in the first area, and in another case, transmission forward/uplink communications using the second frequency band. Device for transmitting uplink communication from a terminal, in which a part of the reverse/uplink connection is allocated within the available band noise frequencies includes means for dividing the service area into numerous areas, means for transmitting signals reverse/uplink communication using the first frequency band, if the terminal is in the first area, and otherwise, for transmitting signals reverse/uplink communications using the second frequency band.

Brief description of drawings

Different ways of implementation will be described in detail with reference to the following drawings, in which like reference numbers indicate the same elements, thus:

Figure 1 shows an exemplary satellite communication system;

Figure 2 shows the approximate bandwidth among different communication lines;

Figure 3 shows the approximate shape of the beam in multibeam satellite communication system;

Figure 4 shows how the shape of the beam could be projected on the continental United States;

Figure 5 shows an exemplary multi-beam satellite communication system, using the appropriate a large number of satellites;

Fig.6 shows the approximate bandwidth among different lines in multibeam satellite communication system;

7 shows an exemplary method for implementing a permutation;

Figa and 8B show examples of permutation schemes;

Fig.9 shows another example of the arrangement of permutations;

Figa and 10B show examples of service areas, divided into four areas;

11 shows an exemplary method used for communication by satellite;

Fig shows the approximate method used for transmission gateway;

Fig shows the approximate method used for transmission by the terminal.

Fig shows a structural diagram of the continental United States, is divided into numerous areas; and

Fig shows an example of spectrum allocations for numerous fields.

The implementation of the invention

In General, embodiments of reveal mixed spectrum uplink communication between the direct ascending line and reverse the trend line communication wireless communication systems. In the following description, specific details are given to provide a comprehensive understanding of the embodiments. However, an ordinary person skilled in the art it will be clear that the options for implementation may be carried out on the Ave is ctice without these characteristic details. In addition, it is noted that embodiments of can be described as a sequence of operations, which is depicted in the flowchart of the algorithm sequence method, flow diagrams, schematic design or structural schema. Although the block diagram of the algorithm the sequence of operations of the method may describe the operations as a sequential sequence of operations, many of the operations can be executed in parallel or simultaneously. In addition, the order of operations can be reassembled. The sequence stops when the end of its operations. The sequence of operations may correspond to a method, function, procedure, standard, routine, subroutine, etc. When the sequence of operations corresponds to a function, its end corresponds to the function return to the calling function or the main function.

Moreover, as disclosed in the materials of the present application, the terminal is adapted to communicate with the satellite, and can be one of a large number of different types of fixed or mobile user terminals, including, but not as a limitation, a cellular phone, a wireless handset, a wireless modem, a transceiver, a data receiver search call or determine what mestopolojenie, or mobile phones. Moreover, the terminal may be pocket-sized, portable, as installed in vehicles (including, for example, automobiles, mobile stations, boats, trains and airplanes), or stationary, as desired. The terminal may be referred to as a wireless communication device, user terminal, mobile station, mobile unit, subscriber installation, mobile radios or cordless telephone, a wireless node, or simply as a "user," "subscriber," "mobile device" in some communication systems.

In addition, the satellite can use the type of modulation TDMA (multiple access with time division multiple access) or CDMA (multiple access, code-division multiplexing) or essential interfaces for signals in a direct or reverse communication lines, or their combination. Technology multiple access code division multiple access (CDMA) spread spectrum (SS), currently used on satellites, such interim standard TIA/EIA, "Mobile Station-Base Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum Cellular System" (the"Standard compatibility mobile station - base station for the two-cell system with spread spectrum") TIA/EIA/IS-95, July 1993, referred to as the standard IS-95 telecommunications industry Association/Association e p is the itsindustry (TIA/EIA). However, can be applied to other technologies and protocols extended spectrum and CDMA, or even some types of systems, multiple access with time division multiplexing (TDMA). Other communications systems are described in the standards for International mobile communication system 2000 /Universal mobile communication system or IMT-2000/UM, covering what is usually indicated by reference as wideband CDMA (WCDMA), CDMA2000 (such as CDMA2000, 1x-rxtt cdma2000 1x, 3x, or, for example, MC-standards) or TD-SCDMA (multiple access with synchronized modes, time and code division channels). Based on satellite communication systems also use these or similar known standards. It should be noted that can be used for various modulation schemes.

Figure 1 shows an exemplary system 100 for wireless communication containing the satellite 120, which projects the beam 110 on the area covering the service area. Within the beam 110 may be multiple ground stations, including firewall interface 180, and a number of terminals 130. Gateway 180, for example, could provide access to the Internet, wireless broadband or some other network (not shown). In this case, the terminal 130 can communicate with the external network via satellite 120 and gateway 180.

The beam 110 includes look no further than the types of communication lines. Direct/ascending line connection 140, which includes signals transmitted from the firewall interface 180 to the satellite 120. Backward/downward line 150 communication, which includes signals transmitted from the satellite 120 to gateway 180. Direct/downward communication line 160, which includes signals transmitted from the satellite 120 to the terminals 130 in the beam 110. Reverse/ascending line 170 communication, which includes signals transmitted from the terminal 130 to the satellite 120. Accordingly, direct/ascending line 140 communication and feedback/ascending line 170, together constitute the ascending line, which includes the signals going to the satellite 120. Direct/reverse acting line 160 communication and feedback/resistance line 150, together constitute the descending line, which includes the signals transmitted from the satellite. Similarly, direct/ascending line 140 communication and direct/reverse acting line 160 together form a direct line of communication, which includes the signals coming from the firewall interface 180 to the terminal 130. Reverse/ascending line 170 communication and feedback/resistance line 150 connection together make up the back line, which includes the signals coming from the terminal 130 to gateway 180. Moreover, direct/reverse acting line 160 communication and feedback/ascending line 170, together SOS is ablaut user communication line, which includes signals transmitted and received by the terminal. Direct/ascending line 140 communication and feedback/resistance line 150 connection together make up the service line, which includes signals transmitted and received through the firewall interface.

The satellite 120 is allocated a certain amount of band noise frequencies or spectrum to use for communication with the network interface 180 and the terminal 130. In order to satellite 120 to send and receive signals without mutual influence of signals from one to the other, the satellite 120 often separates or divides upward communication and downward communication line into separate frequency bands. It is noted that the strip ascending and descending lines, nor necessarily or typically are not adjacent in frequency. For example, Ku-band (frequency range satellite communications 12-14 GHz) is independent of the distribution of frequencies in the relations between the parts of uplink communications and downlink. More precisely, the distribution of frequencies downlink Ku-band is from 11.7 to 12.2 GHz, while the frequency distribution of the upward communication line Ku-band takes of 14.0 to 14.5 GHz.

Figure 2 shows the approximate separation of band noise frequencies between different communication lines. As shown, the strip 210 bandwidth is divided between the trend line 220 with the ides and descending line 230 connection. Every part of the band or strip section 210 bandwidth is divided into direct and reverse side. Namely, the bandwidth available for uplink connection 220 divided by the portion 240 of the straight line and the portion 250 of the reverse link. The bandwidth available for the descending line 230 connection divided by the portion 260 of the straight line and part 270 of the reverse link. Border 780 and 790 between the forward and backward parts of the bandwidth can be set based on the needs of the system. That is, the ratio of bandwidth direct to reverse can be changed.

In some systems, the satellite projects rather numerous rays than one beam at the region covering the service area. Figure 3 shows an exemplary multi-beam system 300 satellite communications. In the system 300 satellite 320 divides its area 310 service on numerous rays 330. Each beam 330 is similar to the beam 110 of figure 1 so that the beam 330 may serve a number of ground stations, potentially involving many terminals (not shown) and possibly a gateway 350. Multibeam systems can be used to increase the full information capacity of the system by reusing the available bandwidth skip frequency.

In the system 300, the AOR is 310 and the service is divided into 24 beam, each beam uses approximately one third of the available bandwidth skip frequency for backward/upward and forward/downlink so that eight of the 24 beams using the same frequency band. This arrangement has the potential to increase the total information capacity of the system to the number of beams, N=24 divided by the number of partitions of frequencies, K=3, to increase the rate of 8.

As shown, the beams 330, which use the first bandwidth from the available bandwidth, the noise frequencies that are marked as "1", beams 330, which use a second runway is marked as "2", and beams 330, which use the third lane that is marked as "3". Rays 330 are arranged so that no two adjacent beams, which use the same frequency band. The separation of the rays that share the same bandwidth, reduces crosstalk among rays. In addition, eight firewall interfaces 350 may support twenty-four beam 330. This is because the three beams share the available bandwidth, and each firewall interface 350 may use up all available bandwidth, so that a single gateway can serve three beam. Accordingly, each service line 340 communication including the AET both, direct/ascending line of communication and backward/downward communication line between the satellite 320 and the respective network interfaces, and each service line 340 connection has data for three beams that are supported by the respective network interfaces. It should be noted that the gateway can support more or less than three beams, depending on the schema re-use and other limitations known to the specialists in the development of systems.

Moreover, it should be noted that the satellite 320 uses a predefined or designed in the form of rays within a given geographic area or projection pattern of the antenna of the satellite. Forms of rays which can be changed from circular to more elongated elliptical, or have various irregular shapes or forms of the distribution of attenuation that must be known to specialists in this field of technology. Any suitable form or set of forms can be used in accordance with the individual design of communication systems, and such forms do not act as a limitation to the embodiments of the invention. For example, figure 4 shows how the image could be projected beam pattern in figure 3 for the continental United States (CONUS). More or fewer rays m which can be used depending on the type or capacity of the used signals, geographic areas that must be covered, the number of terminals that must be serviced, available power, available frequencies, and other design constraints of the satellite or system known in the art for systems development. Accordingly, there may be other schemes reuse frequency than the example shown in figure 3, which uses more or less than 24 beam, each beam uses more or less than one third of the available band noise frequencies. In addition, gateways 350 in the system 300 are rays, marked "3". However, the location of the firewall interfaces 350 may be changed without damaging the system. For example, firewall interfaces 350 may only be placed in the rays marked "1", or only in the rays marked "2", or each firewall interface 350 may be placed in one of three rays.

Moreover, in some systems, the beam shape can be produced by a large number of multibeam satellites. A typical satellite communication system may use multiple satellites in known orbital models to provide service to one or more terminals through sending signals between, i.e. in or out, terminals and od is them or more network interfaces, ground stations or hubs. Such systems have the ability to provide connectivity or coverage of large geographical areas or regions. The satellite communication system may be used, for example, 48 or more satellites in a sequence of well-defined orbital planes, for example 6 to provide almost global coverage.

Figure 5 shows a multibeam satellite system 500 connection that uses a large number of multibeam satellites for the service area. The system 500 may be formed using a variety of multibeam satellites 510, there is a 'm' such satellites in the communication system, where m is an integer and has a value greater than 1. Each satellite in the system 500 includes or is configured to project N/m beams on the region, covering an area of 515 service to make possible the provision of services to the user terminal via the data transmission and/or other communication signals, or commands within the zone 515 service. Taken together, each of the m satellites, generating the N/m beams, generates or provides N number of beams required to cover the service area. For the illustrated example, m is 3, although, if desired, can also be used for other values. Depending on the size of the selected zone thereof on the Oia for the communication system, N typically may be in the range of from about 30 to 120 totals rays within the zone 515 service. The value selected for N, will vary for different communication systems and is based on many well-known factors. For example, the full size "projection beam satellites or service area, which needs to be covered, the amount of flow or signals that should be transferred, and on what transmission speeds, as well as the expected operating frequencies or reuse schemes, the shape of the beam, and so forth, which should be well known to experts in this field of technology.

Satellites, such as satellite 510 may be placed on one of the manifolds of orbits, such as low earth orbit (LEO); medium earth orbit (MEO); or geostationary earth orbit (GEO), each with a well-known or well-understood characteristics. Geostationary earth orbit sometimes also indicated by reference as geostationary orbit. For example, geostationary earth orbit can have an orbital period of 23 hours 56 minutes and 41 seconds, which has led to the emergence of the reasons that the satellite seemed to be located in a stationary location above the Earth's surface. Except for the fact that each satellite 510 refers to mnogoluchevogo type, in other circumstances, satellites 510 represent a broad range of communications satellites, whose construction and operation are well known in the art. Any suitable of these known or those that need to be designed, can be used to implement the present invention. However, satellites are not required to be identical in all aspects as long as they provide the desired floor beam and associative associated power and team management within a communication system.

In the system 500, the spectrum allocated to satellite 510, divided between the ascending line and a descending line. Pass-band available for each of the uplink communication and downlink, then divided and distributed in numerous rays. Fig. 6 shows an exemplary division of the spectrum among the three beams in the ascending line 610 communication. As shown, the ascending line 610 communication is divided into three parts, 620, 630 and 640 of the beam. Each part of the beam is additionally divided into direct and reverse side. More precisely, the beam 620 includes a straight line 622 connection and return line 625 of communication. Beam 630 includes a straight line 632 and 635 connection. Beam 640 includes a straight line 642 connection and return line 645 communication. Border 650, 660 and 670 between the various parts can be for the Ana on the basis of the needs of the system.

As discussed above, satellite systems, whether they are single-beam or multibeam, use a fixed allocation of bandwidth uplink connection, in the sense that a straight/rising line uses a fixed amount of bandwidth uplink connection, and backward/upward communication line uses the remaining bandwidth uplink connection. However, the fixed use of the allocated spectrum can cause problems. In particular, the multibeam satellite systems bring new challenges, due to a combination of simultaneous transmission power level with numerous terminals in neighboring uniaxial satellite locations on the GEO arc, as well as the desire to maintain the transmit power levels high enough for the formation of high levels of signal-to-noise ratio (SNR), which provide high spectral efficiency in the wideband use of the allocated spectrum.

Accordingly, the described embodiments of use "diagram of the permutation for a mixed allocation of bandwidth uplink connection between forward/upward communication line and backward/upward communication line. Typically, takes into account the schema reuse frequencies and are well known for use within business is x lines or custom links. Well-known schema reuse, such as 1:1, 3:1, 4:1, up to 7:1. In particular, 3:1 is particularly desirable scheme for service line or custom communication lines, and it was applied to ground-based systems for many years in the cellular industry. However, the permutation algorithm, which is described below, mixes the transmission of user communication lines and service lines in the same spectrum allocation. This forms a mixed sample reuse of the spectrum, geographically throughout the multibeam system.

More precisely, the scheme uses permutation to achieve the goal of structural differences in the firewall interfaces and terminals, for example, in the shape and/or size of the antenna to provide a more profitable and/or effective use of the allocated spectrum. Typically, the algorithm permutation gives the ability to reuse frequencies official lines of communication terminals and reuse of bandwidth a user of the communication line through the firewall interfaces. This reduces the set of uniaxial power, thereby making it possible to increase the capacity of terminals in a satellite-based system, and/or increasing the number of simultaneous transmissions in the same channel bandwidth as long until you crossed the level of the regulation. In addition, the power levels of crosstalk are kept within limits. Therefore achieves a more efficient use of the allocated spectrum than would be possible otherwise, when the bandwidth uplink connection of the service line connection and bandwidth user uplink communication remain separate.

7 shows an exemplary method 700 for implementing the permutation algorithm for use in a system in which part of the forward/uplink communication and a part of the reverse/uplink communications are allocated within the available bandwidth. The method 700 can be used in single-beam satellite system, or multi-beam satellite system with one or multiple satellites. In method 700, the service area is divided (710) in numerous areas. Then, selection of forward/upward communication and part of the reverse/uplink communication within the available frequencies are swapped (720) in many areas. When the discharge is subjected to rearrangement, straight/rising line can use one part of the bandwidth uplink connection in one area and use another part of the bandwidth uplink connection in another area. Similarly, the reverse/ascending the line connection may use one part of the bandwidth uplink connection in one area and use a great amount of bandwidth uplink connection in another area.

Figa shows the approximate permutation algorithm for a single beam when the ratio of the bandwidths direct to reverse approximately 1:1. Namely, approximately half of the bandwidth uplink connection is a utility line, and half of the user communication line. As shown in the first layout, straight/rising line of communication assigned to the first half, and backward/upward communication line scheduled for the second half of the bandwidth uplink connection. In the second layout backward/upward communication line assigned to the first half, and straight/rising line of communication assigned to the second half of the bandwidth uplink connection. Therefore, can be created two layout or permutation of the two.

Figv shows a rough diagram of permutations for a single beam when the ratio of the bandwidths direct to reverse approximately 2:1. Namely, approximately 2/3 of bandwidth uplink connection is a utility line, and 1/3 - user communication line. In this case, direct/ascending line is highlighted first 2/3, and backward/upward communication line is allocated the remaining 1/3 of the bandwidth uplink connection in the first layout. In the second layout straight/rising line desig is Chen on the first and the last 1/3, and backward/upward communication - middle 1/3, bandwidth uplink connection. In the third configuration, reverse/ascending line of communication assigned to the first 2/3, and straight/rising line of communication assigned to the remaining 1/3 of the bandwidth uplink connection. Therefore, you can create a permutation of the three.

Generally, if the ratio of the bandwidth usage is a rational fraction, x/y and (y-x)/x, then there are composition or combination of "y of x". Here, "y of x" can be expressed mathematically as follows:

y!/[(y-x)!*x!]

Moreover, for multibeam satellite systems, layout, created for a single beam may be repeated for numerous rays. For example, Fig.9 shows a rough diagram of the permutation scheme 3:1 re-use of the frequency that divides the bandwidth uplink connection for the three beams, when the ratio of the bandwidths direct to reverse approximately 1:1. As shown in the first configuration, each beam contains direct/ascending line, scheduled for the first half, and backward/upward communication line, scheduled for the second half of the available bandwidth within the bandwidth uplink connection. In the second arrangement, each beam contains education is s/upward communication line, scheduled for the first half, and forward/upward communication line, scheduled for the second half of the available bandwidth within the bandwidth uplink connection.

Numerous layout created using different permutation schemes, can be used in many areas divided by the service area. If there are more areas of the service area than is available configurations, more than one area can use the same layout. For example, when there are available two layout, as shown in figa, the first area may use the first layout and the second region may use the second layout. If there are more than two areas, additional areas may use either the first arrangement or the second arrangement, based on how divided the service area. Figa and 10B show examples of service areas, divided into four areas. For zone 1010 service first and the fourth region may use one layout, while the second and third areas may use a different layout. For zone 1020 service, the first and third areas can use the same layout, while the second and the fourth region may use another layout. Here, if have I have three layout as shown in Fig. 8B, two of the four areas could use the same layout. For zone 1010 service, the first and the fourth region or the second and third areas can use the same layout, while the rest of the layout are allocated, respectively, the remaining fields.

If there are fewer zones than there are available layouts that can be selected set of layouts from the available layouts for areas on the basis of performance, needs, and other known constraints. For example when you have to have three layouts, as shown in Fig. 8B for two regions, one region may use the first layout, and the other region may use the second or third layout, or one area may use the second layout, and the other region may use the first or third layout, or one area may use a third layout, and the other region may use the first or second layout.

Therefore, the satellite(s), gateway(s) and terminal(s) operate to receive and/or transmit signals in a mixed repeated use of the available frequencies. More precisely, 11 shows an exemplary method 1100 that is used for receiving uplink communication JV is tnica, in which part of the forward/uplink connection and the return/uplink connection allocated within the available band noise frequencies. In the method 1100, the service area is divided (1110) in numerous areas. Signals forward/upward and backward/upward communication are then made (1120) a satellite based subjected to permutation allocation of available bandwidth skip frequency in many areas. Similarly, Fig shows the approximate method used for transmission of the uplink connection from the firewall interface on which part of the forward/uplink connection is allocated within the available band noise frequencies. In method 1200, the service area is also divided (1210) on numerous areas. Gateway then transmits (1220) signals forward/uplink communication using the first frequency band, if the gateway is in the first area, and transmits (1230) signals forward/uplink communications using the second frequency band otherwise. For example, if the gateway is in the second region, a gateway could transmit signals forward/uplink communications using the second frequency band. Moreover, Fig. 13 shows a method 1300, the COI is Leshey for transmitting uplink communication terminal, in which part of the forward/uplink connection is allocated within the available band noise frequencies. In method 1300, the service area is divided (1310) in numerous areas. Then, the terminal transmits (1320) reverse/uplink communication using the first frequency band, if the terminal is in the first area, and transmits (1330) reverse/uplink communications using the second frequency band otherwise. For example, if the terminal is in the second region, the terminal could transmit signals reverse/uplink communications using the second frequency.

It should be noted that the satellite gateway and the terminal could be implemented with machine-readable medium and processor, as well as other known elements in order to perform appropriate methods 1100, 1200 and 1300. In addition, the methods 1100, 1200 and 1300 can be used for single beam systems and multibeam systems. In conclusion, let us say, for example, that the service area supported by one or more of multibeam satellites, is the continental part of the USA.

Fig shows a simplified block diagram of the continental U.S. is divided into numerous areas. Here, the continental United States is covered 54 rays and geographically divided into three regions, namely the Western, the Central and Eastern regions. Also there are 18 sets of 3 rays, in which each triangle, circle and square are highlighted part of the available spectrum. Gateway supports each of the 18 sets for outgoing traffic and incoming traffic. Then, the firewall interfaces are grouped together in six, in the Western region, Central region and Eastern region. Here, gateways can be placed, for example, in the rays, depicted by circles. Specialists in the art should be obvious that the continental United States can be covered using different forms of rays and/or different division. In addition, continental United States may be covered with a different number of beams and/or divided into more or fewer fields.

Fig shows the allocation of the spectrum of the three areas, when available three pages. For the Western region, the gateway transmits, using the first and second part of the bandwidth uplink connection, whereas the terminals transmit using the third part. In the Central region, firewall interfaces are passed by using the first and third part, whereas the terminals transmit using the second part. In the Eastern region, firewall interfaces are passed with used the eat second and third parts, while the terminals transmit using the first part. The scheme provides less useful uniaxial power radiated by the combined gear set firewall interface and terminal, transmitting from their respective geographic locations of the beam in neighboring satellite system. Without this scheme is useful radiated power produced by the terminals from the same spectrum, could come from 18 locations rays and have resulted in greater net power radiated in the neighboring satellite system. Therefore, by using the scheme of rearrangement of the spectrum, with less total power radiated into the next system, enlarging the capacity of the terminal, along with the same satisfaction required by the FCC (Federal communications Commission) to limit uniaxial power.

By mixing gear forward/upward and backward/upward across the available bandwidth uplink connection can be achieved more effectively and efficiently transfer. As Internet gateways and terminals, can produce a transmission throughout fully allocated bandwidth uplink connection, thereby reducing the useful level of tolerable levels neoava the power generated by the system as a whole. The terminal also gain benefit from increasing their power levels, with the result of higher SNR and higher capacity and more efficient use of the allocated spectrum. This leads to a higher damping capacity for terminals as a group, so that they can pass on higher and more optimal power levels in order to improve the signal-to-noise ratio and data rate, spectral efficiency and system capacity. Accordingly, improved system performance for both schemes, TDMA and CDMA waveform transmission uplink connection.

Moreover, it should be noted that embodiments of described above, can be implemented in hardware, software, firmware, middleware software, microcode, or any combination thereof. When implemented in software, middleware software, or microcode, program code or code segments to perform the necessary tasks may be stored on machine-readable media (not shown). The processor can perform the necessary tasks. A code segment may represent a procedure, a function, a subroutine, a program standard program standard routine fashion is l, software package, class, or any combination of instructions, data structures, or program statements. The code segment can be associated with another code segment or a hardware circuit by sending and/or receiving information, data, arguments, parameters, or memory contents. Information, arguments, parameters, data, etc. can be copied, forwarded or transmitted through any suitable means, including shared memory, message forwarding, token passing, network transmission, etc.

Therefore, the above options for implementation are examples only and should not be construed as limiting the invention. Description of embodiments is intended to be illustrative and not to limit the scope defined by the claims. Essentially, the doctrine can be easily applied to other types of devices, and many alternatives, modifications and variations will be obvious to experts in the given field of technology.

1. A method of wireless communication, in which part of the forward/uplink communication and a part of the reverse/uplink connection allocated within the available band noise frequencies, the method contains the steps that divide the service area into numerous the region; and carry out the permutation selection of forward/upward communication and part of the reverse/uplink communication in many areas.

2. The method according to claim 1, wherein the step of moving the selection contains the steps that highlight the first frequency band forward/upward communication line and the second frequency band reverse/uplink communication, at least in the first region; and highlight the first frequency band reverse/uplink communication, at least in the second region.

3. The method according to claim 2, in which the step of moving the selection also includes a stage on which to allocate the first frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the third field.

4. The method according to claim 2, in which the step of moving the selection also contains a stage at which emit a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the second region.

5. The method according to claim 2, in which the step of moving the selection also contains a stage at which emit a third frequency band of one of the forward/uplink connection or the return/uplink communication, at least in the third field.

6. The method according to claim 1, wherein the step of moving the selection contains the steps that highlight the first frequency band direct/in the descending line and the second frequency band reverse/uplink communication, at least in the first region; and allocate a second frequency band forward/upward due, at least in the second region.

7. The method according to claim 6, in which the step of moving the selection also includes a stage on which allocate a second frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the third field.

8. The method according to claim 6, in which the step of moving the selection also contains a stage at which emit a third frequency band of any one of the forward/uplink connection or the return/uplink communication, at least in the second region.

9. The method according to claim 6, in which the step of moving the selection also contains a stage at which emit a third frequency band of one of the forward/uplink connection or the return/uplink communication, at least in the third field.

10. The method according to claim 1, wherein the wireless communications system is a multibeam communication system.

11. Wireless communication in which a part of the forward/uplink communication and a part of the reverse/uplink communications are allocated within the available band noise frequencies, the device comprises means for dividing the service area into numerous areas; and means for shifting the selected part of the forward/uplink and frequent communication is the reverse/uplink communication in many areas.

12. The device according to claim 11, in which the wireless communications system is a multibeam communication system.

13. The method for receiving signals transmitted in uplink communication, in which straight/rising line and backward/upward communication line are allocated within the available band noise frequencies, the method comprises steps in which: divide the service area into numerous areas; and receive signals forward/upward and backward/upward communication in the appointment of mixed mode available band noise frequencies in many areas.

14. The method according to item 13, in which the reception signals forward/upward and backward/upward communication provides the steps, which receive signals forward/uplink communication using the first frequency band and the return/uplink communications using the second frequency band, at least in the first area; and receive signals reverse/uplink communication using the first frequency, at least in the second region.

15. The method according to 14, in which the reception signals forward/upward and backward/upward communication also contains the stage at which accept any one of the forward/uplink connection or the return/uplink connection with use the of the first frequency, at least, in the third region.

16. The method according to 14, in which the reception signals forward/upward and backward/upward communication also contains the stage at which receive signals from one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the second region.

17. The method according to 14, in which the reception signals forward/upward and backward/upward communication also contains the stage at which receive signals from one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the third field.

18. The method according to item 13, in which the reception signals forward/upward and backward/upward communication provides the steps, which receive signals forward/uplink communication using the first frequency band and the return/uplink communications using the second frequency band, at least in the first area; and receive signals forward/uplink communications using the second frequency, at least in the second region.

19. The method according to p, in which the reception signals forward/upward and backward/upward communication also contains the stage at which accept any one of the forward/uplink connection or reverse/in the walking line communication using a second frequency, at least, in the third region.

20. The method according to p, in which the reception signals forward/upward and backward/upward communication also contains the stage at which receive signals from any one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the second region.

21. The method according to p, in which the reception signals forward/upward and backward/upward communication also contains the stage at which receive signals from one of the forward/uplink connection or the return/uplink communication using the third frequency, at least in the third field.

22. A device for receiving signals transmitted in uplink communication, in which part of the forward/uplink connection and the return/uplink communications are allocated within the available frequency range, the device comprises means for dividing the service area into numerous areas; and means for receiving signals forward/upward and backward/upward communication in the appointment of mixed mode available band noise frequencies in many areas.

23. Method for transmitting signals in the ascending line of communication, in which part of the forward/uplink is highlighted in predefinidos available frequency range, the method contains the steps that divide the service area into numerous areas;

transmit signals forward/uplink communication using the first frequency band, if the gateway is in the first region; and transmit the forward/uplink communications using the second frequency otherwise.

24. Device for transmitting signals in the ascending line of communication, in which part of the forward/uplink connection is allocated within the available frequency range, the device comprises means for dividing the service area into numerous areas; and means for transmitting signals forward/uplink communication using the first frequency band, if the gateway is in the first area, and otherwise, for transmitting signals forward/uplink communications using the second frequency band.

25. Method for transmitting signals in the ascending line connection terminal, in which a part of the reverse/uplink connection is allocated within the available frequency range, the method contains the steps that divide the service area into numerous areas; transmit signals reverse/uplink communication using the first frequency band, if the terminal is in the first region; and transmit signals clicks the things/uplink communications using the second frequency band, otherwise.

26. Device for transmitting signals in the ascending line connection terminal, in which a part of the reverse/uplink connection is allocated within the available frequency range, the device comprises means for dividing the service area into numerous areas; and means for transmitting signals reverse/uplink communication using the first frequency band, if the terminal is in the first area, and otherwise, for transmitting signals reverse/uplink communications using the second frequency band.



 

Same patents:

FIELD: radio communication systems involving use of satellites.

SUBSTANCE: system for regional satellite communications and for servicing transportation corridors consists of a ground-based segment and space segment, which includes a spacecraft, fitted with controllable receiving-transmitting phased antenna array, capable of generation of multi-beam polar pattern with individual control of position of each beam, where one of the beams of polar pattern is constantly directed at servicing zone with gateway station, output of which is connected to dispatching center.

EFFECT: provision of personal mobile communications to users, increased level of interference protection in communication channels, protection from unsanctioned access to channels for management and control of transportation and loads, simplified system for orientation and stabilization of spacecraft position, reduced flow of working substance of propulsion system of spacecraft, reduced economical costs of deployment and operation of system.

3 cl, 8 dwg

FIELD: radio communication networks, in particular, methods and devices for controlling transmission power.

SUBSTANCE: in accordance to the method, power of transmission through direct communication line to a client terminal in composition of a radio communication system, which contains a set of rays, is controlled by means of determining baseline power level, Pbaseline, on basis of accepted effective signal to noise ratio (SNR) in control channel; marginal value of power, Pmargin, is determined on basis of detected sensitivity to interferences; and correction of power level, Pcorrection, is determined on basis of determined packet error coefficient (PER); and Ptransmit is set on basis of Pbaseline, Pmargin and Pcorrection. For example, Ptransmit may be set to power level which is essentially equal to a total of Pbaseline, Pmargin and Pcorrection. Each component, Pbaseline, Pmargin and Pcorrection, may be determined by means of independently acting check connection circuits or processes.

EFFECT: weakening of interferences with simultaneously economized transmission power, in particular in composition of systems with limited energy potentials.

3 cl, 8 dwg

FIELD: radio-navigation, possible use in signal receivers of satellite radio-navigation systems used to determine client location and current time from signals of GLONASS, GPS, and similar radio-navigation systems.

SUBSTANCE: in the method satellite signals included in search list are found, until number of detected signals, which is sufficient for navigation measurements, is produced. In first positions of the search list three satellites are included in arbitrary order which ensure maximal coverage of Earth surface. Further satellites are included into search list in order which is determined by maximal sum of average distances between each one of them and all satellites positioned in the list closer to the beginning. The search for signals of each checked satellite is performed simultaneously using all free channels of receiver with distribution of search range between the channels. Satellite signal search is performed serially based on aforementioned list, starting from first one in the list, until first detection of signal. The search for signals of further satellites remaining in aforementioned list is performed in order determined by maximal difference between the sum of average distances between the satellite selected for check and all earlier checked satellites with undetected signals and the sum of average distances between that satellite and all earlier checked satellites with detected signals.

EFFECT: creation of method for blind finding of signals in multi-channel receiver of satellite radio-navigation signals, ensuring reduction of average search time required to solve navigational problem of the number of satellite radio-navigation system signals.

2 cl, 3 dwg

FIELD: satellite systems.

SUBSTANCE: system and method are claimed for detecting errors of temporal displacement in a satellite system, on basis of Doppler displacement and speed of Doppler displacement alteration. In accordance to the invention, user terminal determines first and second time displacements, respectively related to first and second satellite beams from respectively first and second satellites. Further, user terminal determines Doppler displacement and speed of Doppler displacement alteration, related to first and second satellite beams. Temporal displacement is estimated on basis of measured Doppler displacement and speed of Doppler displacement alteration and then compared to time displacement, determined by the user terminal. If the result of comparison does not match a specific threshold, beam identification error is stated.

EFFECT: ensured identification of satellite beams.

6 cl, 12 dwg, 1 tbl

FIELD: system for two-sided wireless communications, in particular, system for two-sided wireless communications, which provides capability for direct communication between terminals and mediated communication between terminals through the other terminal.

SUBSTANCE: wireless communication system contains portable communication devices, capable of setting up direct communication between terminals and mediated communication between terminals through another terminal, without using a stationary base station. Portable communication device, used as a terminal, has capability for functioning as a router for other communication devices in system when maintaining a separate direct connection to another portable communication device. After registration, registered device begins communication process by finding other devices.

EFFECT: increased efficiency.

3 cl, 22 dwg

FIELD: wireless communications, possible use for realizing communications with systems of both satellite and ground communications.

SUBSTANCE: multi-mode receiver-transmitter for wireless communication device contains first transmission channel for generation of first radio frequency transmission signal, compatible with first communication system, first receiving channel for receiving first radio frequency receipt signal from first communication system, second receipt channel for receiving second radio frequency receipt signal from satellite positioning system and used for determining position of wireless communication device, where aforementioned first and second receipt channels jointly use common receiving route.

EFFECT: combined capacity for ground and/or satellite communication in mobile receiver-transmitter with possible position detection and minimized power consumption.

5 cl, 9 dwg

FIELD: space engineering; operation of spacecraft flying in orbit of artificial earth satellite, but for geostationary orbit, which are stabilized by rotation along vertical axis, as well as ground reception points.

SUBSTANCE: system used for realization of this method includes emergency object transmitter, onboard equipment of spacecraft and ground equipment of reception point. Onboard equipment of spacecraft includes horizon sensor, receiving antenna, comparison unit, receiver, Doppler frequency meter, blocking oscillator, two AND gates, two rectifiers, pulse generator, pulse counter, switching circuit, magnetic memory, transmitter, transmitting antenna, modulating code shaper, RF generator and power amplifier. Ground equipment of reception point includes receiving antenna, RF amplifier, two mixers, standard frequency unit, phase doubler, three narrow-band filters, phase scale-of-two circuit, phase detector, Doppler frequency meter, computer and recording unit. Proposed method consists in search of such space position of space object by receiving antenna when Doppler frequency of received signal is equal to zero. Measurement at this moment of angle between mechanical axle of receiving antenna and horizon axis is carried out referring to onboard receiving unit.

EFFECT: extended functional capabilities; enhanced accuracy of determination of spacecraft orbit elements; reduction of time required for search of emergency object.

5 dwg

FIELD: controlling power consumed by space grouping of satellites as they pass shadow sections of orbits.

SUBSTANCE: proposed method includes evaluation of power consumed by each of airborne retransmitters installed on satellites, as well as disconnection of airborne retransmitters as soon as satellites enter shadow sections of orbits and their reconnection upon exit therefrom. In addition, time taken by each satellite to pass mentioned section, power consumed by each retransmitter, and total power consumed by retransmitters of each satellite at given section are evaluated before each satellite enters respective shadow section of orbit. Balance between power accumulated in each satellite and power consumed in shadow section of orbit is found. Satellites having time-intersecting shadow sections are grouped with those having positive and negative balance of power consumption as well as with satellites whose input power is balanced. Alternate satellites residing on illuminated sections of orbits are determined for negative-balance subgroup. Operating retransmitters are switched over to alternate satellites before each satellite subgroup starts passing shadow section to provide for balancing or positive balance of input power. In case of negative input power balance, power that can be borrowed from alternate satellites is evaluated and mentioned retransmitters are connected to them. Then alternate satellites are found in positive-balance satellite subgroup using above-described method.

EFFECT: enhanced reliability of communications.

1 cl, 3 dwg

FIELD: radio navigation aids, applicable in digital correlators of receivers of satellite radio navigation system (SPNS) signals, in particular, in digital correlators of receivers of the SPNS GLONASS (Russia) and GPS (USA) signals.

SUBSTANCE: the legitimate signal in the digital correlator is detected by the hardware, which makes it possible to relieve the load of the processor and use its released resources for solution of additional problems. The digital correlator has a commutator of the SPNS signals, processor, digital mixers, digital controllable carrier-frequency oscillator, units of digital demodulators, accumulating units, programmed delay line, control register, digital controllable code generator, reference code generator and a signal detector. The signal detector is made in the form of a square-law detector realizing the algorithm of computation of five points of the Fourier sixteen point discrete transformation with additional zeroes in the interval of one period of the, c/a code with a subsequent computation of the modules of the transformation results and their incoherent summation and comparison with a variable threshold, whose value is set up depending on the noise power and the number of the incoherent readout. The signal detector has a controller, multiplexer, complex mixer, coherent summation unit, module computation unit, incoherent summation unit, noise power estimation unit, signal presence estimation unit and a unit for determination of the frequency-time coordinates of the global maximum.

EFFECT: provided acceleration of the search and detection of signals.

2 cl, 6 dwg

FIELD: engineering of radio-systems for exchanging data, possible use for interference-protected information exchange between mobile airborne objects and ground complexes in "air to air" and "air to ground" channels.

SUBSTANCE: in accordance to the invention, in the device at transmitting side antenna polar pattern is induced onto polar pattern of receiving side antenna, relaying route is selected, current position and parameters of all airborne objects is determined for current time moment, extrapolation location points are computed for corresponding airborne objects during communication session being planned, mutual targeting of polar patterns of antennas of ground complex and the first (in the order of service) airborne object, second airborne object, etc., is performed, the objects being tracked during movement, data exchange is performed between corresponding objects of the system. After receipt confirmation is received, the procedure is repeated for second airborne object, etc. In ground complex and airborne objects picked for retransmission, operations of mutual targeting of polar pattern centers of UHF range antennas to appropriate objects and operations of tracking them during movement are performed.

EFFECT: increased interference protection and speed of transfer.

1 dwg

FIELD: communications engineering.

SUBSTANCE: proposed system has user terminal, gateway, and plurality of beam sources radiating plurality of beams, communication line between user terminal and gateway being set for one or more beams. Proposed method is based on protocol of message exchange between gateway and user. Depending on messages sent from user to gateway, preferably on pre-chosen periodic basis, gateway determines most suited beam or beams to be transferred to user. Messages sent from user to gateway incorporate values which are, essentially, beam intensities measured at user's. Gateway uses beam intensities measured at user's to choose those of them suited to given user. Beams to be used are those capable of reducing rate of call failure and ensuring desired separation level of beam sources.

EFFECT: reduced rate of call failure in multibeam communication system.

20 cl, 27 dwg

FIELD: communications engineering; satellite communication systems.

SUBSTANCE: list identifying plurality of shared data channels transmitting shareable information is generated in satellite communication system incorporating gateway and plurality of satellites moving in orbit so that they are not stationary relative to point on the Earth surface. This list may include information for each of plurality of shared data channels that identifies predetermined satellite, beam, frequency, and channel. List changes with time due to orbital movement of satellites. Proposed method also includes steps of shareable information transfer to geographical region through gateway over plurality of shared data channels and reception of shareable information over at least one of plurality of shared data channels by user terminal.

EFFECT: provision for transferring shareable information to group of users located within relatively small geographical area.

41 cl, 9 dwg

FIELD: signal power evaluation.

SUBSTANCE: signal is compared with plurality of bands and separated into plurality of bands. Each band is assigned definite output value. Output values approximate square of output signal value proceeding from known characteristics of input signal. Low-pass filter is used for averaging plurality of output values.

EFFECT: eliminated satellite overloading and violation of flow density limits.

21 cl, 5 dwg

FIELD: game systems with robots.

SUBSTANCE: proposed system has game section installed in space equipment, game robots disposed within game section, control signal, device for transmitting control signal received from the Earth to game robots, video shooting camera for shooting game section whose photo is used as section image; game signal transmitter transferring game image to the Earth as game signal; control signal transmitter disposed on the Earth and used to transmit control signal applied by game robot operators to control signal transmitter; game signal receiver disposed on the Earth and used to receive game signal from game signal transmitter; broadcast equipment for broadcasting game signal received by game signal receiver.

EFFECT: investigations of environment properties.

9 cl, 1 dwg

Airborne repeater // 2251214

FIELD: communications engineering.

SUBSTANCE: proposed repeater that can be used in satellite communication systems operating in ultrahigh-frequency band has antenna-feeder assembly, receive and transmit filter unit, up and down frequency converters, power amplifiers, transmission channel multiplex switch, reference generator, signal regeneration device, simulation protective unit, control device, and cross-connection circuit.

EFFECT: enlarged functional capabilities of airborne repeater.

7 cl, 2 dwg

FIELD: radio communications.

SUBSTANCE: method includes registering spectrum grams Fi of radio signals in i-numbered points of flight trajectory in frequencies band, including frequency signals with several transmitters in each one, with onboard computer and position measuring means. Spectrum gram of total power of transmitter signal of each j-numbered frequency channel is separated from Fi and powers Mij of these total signals are determined.

EFFECT: higher safety.

3 cl, 3 dwg, 1 tbl

FIELD: communications.

SUBSTANCE: system has satellites, set on circular stationary orbit with antennae mounted on them as well as relay stations, and their ground-based stations. Including central communications control system, satellites control station and subscriber stations, relay station is made in form of serially connected low-noise amplifiers, connected to each receiving narrow-direction antenna, remotely controlled downward converters, amount of which matches number of frequencies bands, and which are separated exclusively for frequencies band zones, intermediate frequency accelerators and remotely controlled upward converters.

EFFECT: not only stationary communications subscribers can access broadband channels, but also mobile subscribers.

2 cl, 10 dwg

FIELD: aircraft engineering.

SUBSTANCE: system consists of systems for controlling functional systems with sensors, onboard and speech registers, video cameras and mating blocks. Functional systems structure includes terminal of common use active mobile phone network. On one side aforementioned terminal is connected to functional systems sensors, recording inputs of onboard and speech registers and video cameras. On other side terminal through antenna is connected to a group of satellites and mating stations of common use regional phone network. Mating stations are made with possible transfer through automatic phone station of information from functional systems sensors, onboard and speech registers and video cameras to working terminals for secondary processing at ground control station.

EFFECT: higher personnel and equipment safety, lower costs, higher efficiency.

2 dwg

FIELD: satellite communication systems.

SUBSTANCE: satellite for forming antenna direction diagram on basis of position in communication system having multiple client stations and multiple communication satellites, has main onboard antenna, antenna subsystem, transmitter/receiver for ground communication lines, transmitter/receiver of crossing communication lines and control device.

EFFECT: increased system capacity, higher power efficiency and effectiveness of repeated use of channels.

2 cl, 5 dwg

FIELD: radio communication systems, possible use for determining informative parameters and characteristics of radio-signals of transmitters of ground-based stationary radio-electronic devices.

SUBSTANCE: onboard the laboratory plane functionally connected are automated control system, device for determining current position, device for registering in input-numbered points of flight trajectory of spectrum graphs Fi of radio signals in frequency band, including frequency channels, onboard computer with database, memorizing device and three processors.

EFFECT: possible determining of parameters under conditions of unintentional interference.

3 dwg, 1 tbl

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