Adaptive buffer status reporting
FIELD: physics, computer engineering.
SUBSTANCE: invention relates to a method of transmitting information over a network. The method comprises transmitting from a first station to a second station, wherein the first station comprises at least one buffer memory for storing data packets intended for transmission, wherein the method includes steps where (a) the first station estimates the status of at least one buffer memory, (b) the first station transmits at least one buffer status packet which is the buffer memory status, wherein the method further includes a step (c) of adapting the value of the first parameter of the buffer status packets based on data traffic characteristics.
EFFECT: buffer status reporting (BSR) providing sufficient information on the real state of buffers of the second station during high activity thereof.
13 cl, 6 dwg
The technical field TO WHICH the INVENTION RELATES
The present invention relates to a method for transmitting information within a communication network. More specifically, it relates to a method for transmitting information from the first station to the second station. It also refers to the radio stations that can implement this method.
This invention, for example, applies to all wireless communication networks and the following descriptions to the telecommunications network, such as UMTS or UMTS LTE.
The LEVEL of TECHNOLOGY
In a cellular network, each cell contains a primary station, such as base station or node B, or eNB, connected to multiple secondary stations such as mobile station or user equipment. To be able to send data to the primary station in some channels uplink, the secondary station usually needs to be assigned to a resource (e.g., time interval, frequency podnesku and/or code).
Many communication systems operate using a centralized scheduler, which is responsible for assigning transmission resources to different nodes. A typical example is the ascending line of communication UMTS LTE (long term development), in which the transmission of uplink from different secondary stations are planned on time and on hour�OTE by the primary station. The primary station transmits the message "the granting of planning in the secondary station indicating the specific time-frequency resource for transmission to the secondary station, typically about 3 MS after the transmission of the message delivery. A message providing also usually specifies transmission parameters such as data rate and/or power used for transmission to the secondary station.
To the primary station issued the relevant provision, it needs to have enough information about the volume and type of data awaiting transmission in the buffer of each secondary station.
Consequently, in the LTE defines several message types message buffer status (BSR), which may be transmitted from a secondary station to the primary station, when there are certain triggers. A modern version of the 3GPP TS36.321 included here as a reference.
The procedure of the message buffer status is used to provide the primary station serving the information about the amount of data in the buffers uplink secondary station. Use two types of status messages of the buffer depending on the event. Short message buffer status (BSR) contains the identification code of one group of logical channels with a 6-bit pointer of the volume data corresponding to the logical group �of anals, currently in the buffer of the secondary station in anticipation of the transfer. Long BSR contains four concatenated short BSR, and each of them corresponds to a different group of logical channels.
The problem with the BSR procedure, defined above, is that the secondary station is permitted to transmit the BSR, only if it has provided a resource that can be transferred. If new data arrives in the buffer of the secondary station and the secondary station has not provided resource, in which you can transmit data or send BSR to indicate that it has data waiting for transmission, the secondary station must either wait until then, until it adopts the provision, or transfer a simplified version of the BSR, which can be transmitted using some specially assigned resources that can be used without particular given resource. This simplified version of BSR known as "the scheduling request (SR) and usually contains only one bit to indicate that the data is in the buffer. It is also known that SR contains many small bits that give more functionality. In response to the reception of the SR the primary station can either transmit the provision that assigns the appropriate amount of resource transfer to the secondary station, and then to send BR or transfer the provision that assigns a higher volume of resource transfer, which would allow the secondary stations to transmit some data in addition to BSR, but in the latter case, to the primary station usually has no means to determine the appropriate destination to do his, if SR does not contain more than one bit.
As a result of known implementations to inform the primary station on the status of the buffer of the secondary station does not provide adequate amount of information. Indeed, in cases of low activity secondary station BSR transmitted regularly, are more than sufficient and do not use resources in an efficient way. Conversely, in the case of high activity secondary station, BSR may not give sufficient information about the real state of the buffer of the secondary station.
Disclosure of the INVENTION
The object of the invention is to provide an improved method for transmission of information (i.e., communication) in the network, which reduces the above problems.
Another object of the invention is to provide a method for transmitting the status of the buffer of the mobile station effective way, making effective use of resources.
Another object of the invention is to provide a method for signaling the status of the buffet�tions memories way adapted to the situation in the secondary station.
In accordance with the first aspect of the invention proposes a method of information transmission in the network from the first station to the second station, the first station comprises at least one buffer memory for saving the data packets intended for transmission, the method contains the stages at which
(a) the first station evaluates the status of the at least one buffer memory,
(b) the first station transmits at least one packet buffer status representing a status of the buffer memory, the method further comprises step (C), which adapt the value of the first parameter of the packet buffer status based on the characteristics of the data traffic.
In illustrative embodiments, the first station is a secondary station (or user equipment or mobile station) and the second station is the primary station (or eNodeB, base station).
In accordance with another aspect of the invention provides a radio station containing means for communicating on the network with at least an additional station, the first station further comprises at least one buffer memory for saving data packets for the transmission, a means of buffer management to assess the status of at least one�th buffer memory, a transmission medium for transmitting at least one packet buffer status representing a status of the buffer memory, and a means of controlling the buffer is arranged to adjust the value of the first parameter of the packet buffer status based on the characteristics of the data traffic.
Thanks to these attributes, a radio station, such as secondary station can adapt the amount of information transmitted to the second station, such as primary station, depending on the situation in the secondary station, or total employment network. Thus, it allows to use effectively the resources provided in the secondary station for signalling the status of the buffer memory.
In addition, it should be noted that in the embodiment of the invention, in which secondary stations transmit information in multiple logical channels, a buffer memory may comprise a plurality of buffers of logical channels whose status signal independently one by one, and that step (C) adaptation can be performed in one or more messages of the status of the logical channel. Thus, the message status of the logical channel allocated to a logical channel with low activity, may be less often or with low accuracy so that the messages of the status of the logical channel allocated to logicism�channel with high activity, may be signaled more often or with higher accuracy (e.g., encoded in more bits).
These and other aspects of the invention will become apparent from embodiments described later in the present application, and will be explained with reference to options for implementation, described later in this application.
BRIEF description of the DRAWINGS
The present invention will be further described in more detail as an example with reference to the accompanying drawings, in which:
Fig.1 is a block diagram of a network implementing the invention.
Fig.2A and Fig.2B is a timing diagram depicting the adaptation of signaling, in accordance with the first variant implementation.
Fig.3A, Fig.3B and Fig.3C is a timing diagram depicting a variant of the first variant implementation.
The IMPLEMENTATION of the INVENTION
The present invention relates to a communication network having a primary station and multiple secondary stations performing communication with a primary station. Such a network is illustrated in Fig.1.
Referring to Fig.1, a radio communications system in accordance with the invention comprises a primary station (BS) 100 and a variety of secondary stations (MS) 110. The primary station 100 includes a microcontroller (ás) 102, a vehicle 104 transceiver (Tx/Rx), coupled with the means 106 of the antenna, the means 107 power management�computer (PC) to change the level of the transmitted power and the means 108 for connection for connection to the PSTN or other suitable network. Each secondary station 110 contains a microcontroller (ás) 112, the tool 114 of the transceiver (Tx/Rx), coupled with the means 116 of the antenna, and means 118 power control (PC) to change the transmitted power level. Transmission of information from a primary station 100 to the mobile station 110 in the channel downlink, while the transmission of information from a secondary station 110 to the primary station 100 takes place in the channel of the uplink.
In wireless packet data networks with centralized controller, such as the network of Fig.1, requires a mechanism to enable the primary station 100 (or eNB in the terminology of UMTS LTE) effectively assign priorities for allocating resources of transmission uplink between different secondary stations 110 (user equipment or UE in UMTS LTE). Each secondary station usually has data queued in the buffer until they can be transferred, this may be buffers for a number of different flows or logical channels (LC), each with different quality of service (QoS). Primary station needs information to enable it to decide which secondary station should be given the right to transmit and at what rate. To help in this process and reduce overhead races�odes, can be grouped in LC group LC (LCG) and transmit an indication of buffered data for different LCG (namely, the message buffer status, BSR).
As explained above, in systems such as UMTS LTE, a certain number of bits assigned in the BSR, is usually pre-defined and equal for all LCG. In addition, often make the exact knowledge of the status of the buffer in the primary station 100, in other words, when the primary station has a very precise quantitative knowledge of the number of bytes in the buffer of the secondary station. Some modelling indicates that it may be more beneficial to send rude status updates of the buffer, the more detailed message, optionally separated by gaps, especially for features in real time. As a result, a fixed length of the message buffer status (BSR) that is assigned to give an accurate knowledge of the status of the buffer has the following disadvantages:
1. It brings a significant overhead costs that cannot be justified in light of the fact that in some cases the same or similar performance can be achieved with a smaller number of bits assigned in the BSR.
2. It makes it difficult to load the BSR for many LCG back to the primary station in the cases where it is available only part of the full number of bits required, in such cases, modern� system would provide only full BSR for LCG highest priority (an Example of such a case occurs, when the amount of data that can be transferred is smaller than the granted transmission resources, resulting in the need some padding to fill out the resources provided, and in such a case, some or all of fill bits can be replaced by the alarm BSR, but a certain number of bits of padding that are available for replacement, may be insufficient for full BSR transmitted to all LCG).
The invention is based on the realization that the BSR should be adapted to the situation of data traffic throughout the network, a specific secondary station and/or the logical channel group corresponding to the BSR. In accordance with the first embodiment of the invention proposed solution is to allow configurable rudeness and/or frequency of BSR. As a result, in accordance with the first embodiment of the invention it consists of Queuing data units in the buffer of the secondary station to assess the level of rudeness BSR appropriate for your specific scenario, or in the secondary station, either in the primary station, and then adapt coarseness alarm BSR in accordance with the assessment. An example of this embodiment illustrated in Fig.2A. In accordance with this example, the secondary station on the first stage 200 of work sends one BSR 201, is allocated to at least one service� logical channel regularly. After evaluation of the characteristics of the data traffic that encourage secondary station to enter a second phase, such as more stringent QoS requirement for that logical channel or higher activity, the secondary station transmits the BSR 301 with greater precision, for example with a large number of bits. As a result, in a given time the amount of data transferred is allocated by this logical channel is higher at the second stage 300 than in the first stage 200. Thus, the BSR will adapt in time.
In accordance with an embodiment of the first variant implementation is illustrated in Fig.2B, BSR at the second stage 300 is passed more often than BSR 202 of the first stage 200. The size of the BSR should not be changed. As a result, as in the first example, Fig.2B, during the time the amount of data transferred is allocated in this way logical channel is higher at the second stage 300 than in the first stage 200. Thus, the BSR will adapt in time.
It should be noted that these two examples can be combined, for example, when BSR send more often and, for example, with a lower accuracy.
In accordance with the first variant of implementation, the entrance to the second stage is performed after the evaluation of the specific characteristics of the traffic profiles. Possible options include:
and. The intensity of traffic, which can be defined by the average number of new� revenues of the system;
b. The QoS requirement of the entire system, such as the total number of satisfied users;
C. Type of traffic (e.g., VoIP or video, or file transfer);
d. The amount of buffered data for one or more traffic flows.
This evaluation can be performed by the primary station 100 and may be performed for each logical channel group. Then, the primary station may transmit the value of the evaluated characteristics, and the secondary station to infer values about acceptable rudeness BSR (by adapting the frequency or accuracy of the BSR) or even rudeness BSR, clearly signaled for each LCG. This value can be different for different LCG.
Before explicit signaling rudeness BSR separately for each LCG grouping in LC LCG can be performed by the network (for example, on the basis of the similarity between the BSR levels sufficient for satisfactory performance). In an embodiment of this invention, the roughness of the BSR is estimated based on the number of available bits fill or given actual the used scheduling algorithm.
In a second embodiment of the invention can be created table satisfactory levels of coarseness BSR for a given QoS and range of variation of traffic loads for VoIP traffic. Depending on the actual volume of traffic in the system, known primary station with secondary�ance can then actively adapt coarseness BSR based on the information about the traffic load of the primary station.
Another example is the case of padding BSR in UMTS Rel-8 LTE. If you have more than one LCG with buffered data and there are not enough bits to send long BSR, the mechanism in accordance with the invention, which specifies which LCG their BSR will be sent, not just the LCG with the highest priority. This decision can be based on the following:
1. Priorities: choose 2, 3 or 4 LCG, which have the highest priority, not just a LCG with the highest priority;
2. Fill buffer level: in addition to the priorities can be introduced thresholds that, when exceeded, indicate that the LCG has the right to put your BSR, or indicate adaptation granularity BSR;
3. The delay of the start of the queue (i.e., the time duration during which the highest package was in the buffer).
In addition, the following are suggested formats that give the possibility to combine 2, 3 and 4 rough in BSR octet. The transmitted BSR format could be specified by LCID values, such as in the first version of LTE. New LCID value should be reserved for these three formats in Fig.3A - Fig.3C.
Fig.3A, if LCG signaled to the primary station in a single BSR, in this case, similarly to the long BSR is not necessary to specify ID LCG provided that the relevant BSR are given in the correct sequence�scenic spots (since only 4 LCG defined in LTE, in the General case, this format is applied to the transmission of the BSR information for all configured LCG). In a variant implementation, in which 8 bits are available, this means that there are 2 bits for each of the 4 LCG, as shown in Fig.3A.
Fig.3B, if the 3 LCG signaled to the primary station in a single BSR, if I had to send 3 2-bit ID, LTE for only 8-6=2 bits for the three BSR. Below is the proposed alternative, which reports the LCG ID, BSR which don't need to inform (in this case, LCG #2), followed by 3 2-bit BSR in the correct sequence.
Fig.3C only 2 LCG are signaled in one BSR, and ID two groups of logical channels are flagged with the value of the buffer status of this LCG. For 8-bit BSR 2 bits are used for ID, and two bits are used for the value of the buffer status of this LCG.
In another embodiment, the implementation of the long BSR is adjusted in accordance with the traffic class. For example, the secondary station could transmit a long BSR for LCG containing at least one stream of data with multilevel criterion of satisfaction (for example, FTP download, where the degree of user satisfaction generally increases with decreasing transmission delay), while the secondary station could transmit a shorter BSR for LCG containing only the data streams with the criterion of satisfaction double�CSO status (for example, VoIP service, where the user usually either satisfied or not depending on a specific ratio of successfully delivered packets during a fixed period of time).
Another variant implementation is a case in which pre-configures the frequency at which to send the BSR. The secondary station could in this case to adjust the length BSR to achieve the required QoS, depending on how the pre-configured frequency.
In the cases where the assessment of suitable length BSR perform in the base station, the base station then signals the result of the evaluation in the UE. In a typical embodiment of the UE is thus able to take a list of logical channels, logical groups of channels or priorities with the corresponding length of the associated BSR for each of them.
In an embodiment of the invention, the primary station is a mobile terminal such as user equipment and the secondary station is a base station, such as eNodeB.
The invention can be applied to mobile telecommunication systems such as UMTS, LTE and advanced UMTS LTE, and in some embodiments to any communication system having a resource assignment performed dynamically or at least periodically.
In the present description and the claims, the indicating element in the only�Ennom not preclude the presence of many such elements. In addition, the word "contains" does not exclude other elements or steps other than those listed items and stages.
It is understood that the inclusion of a reference position in parentheses in the claims shall promote understanding, but not be regarded as limiting.
On the basis of the present disclosure skilled in the art will be apparent other modifications. Such modifications may involve other features which already known in the technical field of radio communications.
1. The method of information transmission in the network from the first station to the second station, the first station comprises at least one buffer memory for saving the data packets intended for transmission, the method contains the stages at which:
(a) the first station evaluates the status of the at least one buffer memory,
(b) the first station transmits at least one packet buffer status representing a status of the buffer memory, the method further comprises step (C), where the first station outputs the value of the first parameter of the packet buffer status based on the characteristics of the data traffic, wherein the first parameter comprises at least one of the following: the amount of information transmitted through the packet buffer status in a given time, the packet size status Boothe�RA and the degree of detail of information included in the packages buffer status.
2. A method according to claim 1, wherein the first parameter of step (C) contains the frequency of packet transmission buffer status.
3. A method according to claim 1, wherein the characteristic of the data traffic is evaluated through a second station, the method further comprises a step in which the second station signals characteristic of the data traffic in the first station and in which at the stage (C) the first station adapts the value of the first parameter of the packet buffer status based on the signaled traffic characteristic of the data.
4. A method according to claim 1, wherein the characteristic of the data traffic is evaluated through a second station, the method further comprises a step in which the second station signals at the first station the second parameter of the packet buffer status intended for use by the first station in step (C).
5. A method according to claim 4, wherein step (C) comprises a step in which the first station receives a second parameter, wherein the first station further adjusts the first parameter of the packet buffer status based on the received value of the second parameter.
6. A method according to claim 5, in which the first parameter of the packet buffer status is the same as the second parameter.
7. A method according to any one of claims. 1-6, in which the buffer memory contains many oferowalismy channels with each logical channel buffer adapted to save the data packets are allocated to the respective logical channel or group of logical channels, wherein the packet buffer status contain at least one portion allocated to the information relating to the status of the corresponding buffer of the logical channel, and in which in step (C) for each part of the first parameter will adapt depending on the logical channel or group of logical channels, which is considered part.
8. A method according to claim 7, additionally containing a stage at which logical channels are grouped into a group of logical channels depending on whether they have the value of the first parameter of the packet buffer status, which is essentially the same.
9. A method according to claim 8, in which step (C) further comprises a stage on which choose a subset of the logical buffers of the channels and transmit the packet buffer status indicating the status of the selected buffer of the logical channel.
10. A method according to claim 9, in which the size mentioned subset is signaled by the second station.
11. A method according to claim 9, in which the buffer of the logical channel is chosen on the basis of at least one of the following: the priority of the logical channel, the delay of the beginning of the queue fill levels of buffer of the logical channel or the number of bits Zap�assign, available in the data package.
12. A method according to any one of claims. 1-6, in which the characteristic traffic data includes at least one of the following characteristics: the intensity of traffic, the requirement of QoS (quality of service), total number of satisfied users, type of traffic, the amount of buffered data for one or more traffic flows or logical channels, the status of the buffer memory, the number of bits of padding that are available in the data package.
13. Radio station containing means for communication network with at least an additional station, the radio station further comprises at least one buffer memory for saving data packets for the transmission, a means of buffer management to assess the status of at least one buffer memory, the transmission medium for transmitting at least one packet buffer status representing a status of the buffer memory, wherein the management tool buffer configured to output the first setting of the packet buffer status based on the characteristics of the data traffic, wherein the first parameter comprises at least one of the following: the amount of information transmitted through the packet buffer status in a given time, the size of the packet buffer status and the degree of detail contained in the package�x buffer status.
FIELD: physics, computer engineering.
SUBSTANCE: invention relates to wireless cellular/self-organizing (ad hoc) networks, particularly, to processing of route request messages at routing protocols to request. Proposed is the method of detection of route between source node and destination node including intermediate replay flag of reply of route request message by source node, avalanche distribution in said wireless network and reply to said request by means of the first intermediate node and having an actual route to destination node. Described are system and method for detection of the best route. Note here that route reply message becomes the first route message. Here, selection of the best route is effected between them and source node on the basis of cumulative metrics received in route request messages receive by destination node. Extra route reply message is created to perform single-address transmission thereof to source node.
EFFECT: fast detection of the route with optimum metrics between source node and one or more destination nodes.
26 cl, 6 dwg
FIELD: radio engineering, communication.
SUBSTANCE: invention relates to means of receiving/transmitting data in a wireless communication system. The method includes fragmenting a data packet into two or more fragments; configuring a medium access control protocol data unit (MAC PDU), the MAC PDU including at least one of the two or more fragments, a first header containing control information about the MAC PDU which includes the at least one of the two or more fragments, and a fragmentation extended header (FEH) providing information on the data packet fragment, wherein the first header contains an indicator indicating that the FEH is present following the first header, wherein the FEH contains a type field identifying a type of the FEH and the FEH has a variable length depending on whether the fragmented data packet is a real-time data packet or not, and wherein the FEH has a shorter length when the fragmented data packet is a real-time data packet than when the fragmented data packet is a non-real-time data packet; and transmitting the configured MAC PDU to a receiving side.
EFFECT: shorter header processing time.
12 cl, 13 dwg, 17 tbl
FIELD: physics, computer engineering.
SUBSTANCE: invention relates to Internet communication. The system employs network elements, which include an acceleration server, clients, agents and peers, where communication requests generated by applications are intercepted by a client in the same computer. The IP address of the server is transmitted to the acceleration server, which provides a list of agents for use for said IP address. One or more agents respond with a list of peers who previously possessed some or all of the content, which is a response to said request. The client then downloads data from said peers in parallel and in parts.
EFFECT: reducing network overload for content owners and Internet service providers.
16 cl, 15 dwg
FIELD: radio engineering, communication.
SUBSTANCE: invention relates to handover between technologies for multi-mode mobile devices and is designed for handover of a multi-mode mobile device from a first network technology to a second network technology. The method includes initiating by the multi-mode mobile device a first packet session in a first wireless network in an area of multi-technology wireless coverage and detecting by a multi-mode mobile device a second wireless network supporting a different access network technology than the first wireless network; determining a quality of service requirement for services supported by the session, and completing initial network entry and session establishment procedures by the multi-mode mobile device for a second session in the second wireless network when the first session includes at least one of a QoS sensitive service and real time service by the first wireless network and mobile device, and not completing initial network entry and session establishment procedures by the multi-mode mobile device when no QoS sensitive service and real time services are supported by the mobile device and first wireless network.
EFFECT: high throughput.
8 cl, 4 dwg
FIELD: measurement equipment.
SUBSTANCE: invention relates to drilling equipment, namely, to devices of sensor switching, which measure drilling parameters directly in process of drilling within a telemetering system. The device comprises a body and contact elements, is located inside a drilling pipe and made in the form of a jet element, including a supply balloon with compressed gas, a jet unit of command signal generation, jet triggers with a count input, jet units of inverters, jet logical elements "AND" and "OR" and a jet unit of output signal generation, besides, the output of the jet unit of command signal generation is connected with the input of jet triggers, outputs of which are connected with inputs of the jet unit of inverters, and outputs of inverters are connected with inputs of jet logical elements "AND" connected to outlets of bottomhole sensors, outputs of elements "AND" are connected with inputs of the logical element "OR", the output of which is connected to the input of the jet unit of output signal generation.
EFFECT: increased reliability of bottomhole sensor switching within a telemetering system.
FIELD: physics, computer engineering.
SUBSTANCE: invention relates to data transmission systems. A transmission system (1) transmits and receives basic data needed to reproduce an image or audio and extended data used to improve image and audio quality through a communication network (2) between transmission terminals (10). The transmission system (1) includes: a basic data relay system (40) which includes: a plurality of basic data relay modules (430) for relaying basic data transmitted from a source transmission terminal from among transmission terminals (10) to a target transmission terminal from among transmission terminals (10); and a selection module which selects one basic data relay module (430) from among basic data relay modules (430) for each communication between transmission terminals (10); and an extended data relay system which includes: an extended data relay module (36) for relaying extended data transmitted from a source transmission terminal to a target transmission terminal.
EFFECT: reduced load on a specific relay server when transmitting images and audio.
10 cl, 29 dwg
FIELD: physics, computer engineering.
SUBSTANCE: invention relates to multiservice communication networks. The method includes setting a table of priorities, wherein each user terminal is assigned a priority at its static IP address; determining the priority of a new connection from the table of priorities in accordance with the IP address of the sender terminal; reading values of the required resource for the new connection from the header of its IP address; calculating free access network resources; determining if there are existing open connections with a lower priority than the new connection; comparing their overall resource with the required resource for the new connection; if insufficient, the connection is denied service; if sufficient, the relative resource consumption of said connections is calculated; ordering the selected open connections; selecting from the ordered open connections one or more connections, starting with the connection with the maximum value, after which said connections are terminated, and the freed resource is provided to the new connection.
EFFECT: high efficiency of using communication resources in multiservice networks.
1 cl, 3 dwg
FIELD: physics, computer engineering.
SUBSTANCE: group of inventions relates to means of controlling data streams in secure distributed information systems. The method includes specifying a table of reference routing files of a distributed information system in test operating mode thereof, consisting of reference routing files for all authorised users when said users access information resources and services of certain network nodes of the distributed information system. After permission to transmit a data stream in a switching unit at a certain network node, routing files are generated thereon when the i-th user accesses information resources and services of the j-th network node of the distributed information system; the obtained routing files are transmitted to an access control centre. The obtained routing files are compared with reference values; the j-th network node of the distributed information system is remembered when accessed by the i-th user if the routing files do not match. The switching table is then corrected and, using the new network interaction parameters, said data stream is blocked, and transmission continues in case of a match.
EFFECT: improved security of distributed information systems.
2 cl, 4 dwg
FIELD: information technologies.
SUBSTANCE: reception of a coded voice signal transmitted by user equipment. A coded voice signal comprises the first subflow, the second subflow and the third subflow, and to the first subflow a segment of cyclic redundant code (CRC) control is connected. Processing by decoding of the first subflow, the second subflow and the third subflow by application of the decoding logic. The decoding logic based on the auxiliary solution according to CRC is adapted to perform processing by decoding of the first subflow. Transmission of decoding results of the first subflow, the second subflow and the third subflow into a controller of base stations. The result of decoding of the first subflow includes a decoded bit stream and CRC result.
EFFECT: increased quality of a voice signal.
20 cl, 20 dwg
FIELD: physics, communication.
SUBSTANCE: invention relates to wireless networks of cellular structure with processing of messages of route request in on-demand routing protocols. The technical result is achieved by the fact that location of the actual route is detected between a source unit and a destination unit on the basis of the first intermediate unit responding to the message of route request by means of the route response message, having the actual route to the unit of destination, besides, the intermediate unit responds to the message of route request on the basis of flag condition in the message route request, and the first intermediate unit resets the specified flag; a connection is established between the source unit and the destination unit using the actual route; location of a more optimal route is detected between the source unit and the destination unit, when the destination unit selects a more optimal route on the basis of summary through metrics of routing; and a connection is established between the source unit and the destination unit using the more optimal route.
EFFECT: technical result is detection of a route with an optimal metric without delay in route detection in wireless cellular/randomly organising networks.
2 cl, 6 dwg
FIELD: computer science, in particular, engineering of device for input-output of information in electronic computing machine, transferred along communication channels for transferring information; in particular, device is meant for acting as an intellectual multi-port telecommunication port of personal computer, used in mode of central transport station in data transfer networks for specialized use.
SUBSTANCE: multiplexer has system block, wherein four-channeled telegraph one-polar and two-polar modules are positioned, as well as four-channeled standard-joint C2 module, bi-impulse one-channeled and two-channeled modules, one-channeled telephone module, m modules of four-channeled asynchronous adapter, group control electronic board, and also block for adjustment and control, and combination board.
EFFECT: expanded functional capabilities, possible increase of number and types of connected input-output channels, possible synchronization with several types of specialized equipment.
4 cl, 4 dwg, 1 tbl
FIELD: network control; data acquisition on network topology.
SUBSTANCE: message requesting data acquisition on network topology that incorporates field limiting number of operations for message transfer from local station to adjacent ones is sent and following steps are repeated: request message receiving station returns response message and network topology data acquisition device finds out if number of message transfer operations has reached certain threshold value and terminates process if it is so, otherwise it sends request message to all adjacent stations.
EFFECT: facilitated procedure, reduced number of control errors.
7 cl, 2 dwg
FIELD: technology for serial addressing of following devices in networks with bus topology with one leading device of network and several following devices, possible use primarily for querying devices, used for automation of technological processes.
SUBSTANCE: method for serial addressing by leading device of following devices in networks with bus topology with one network leading device and several following devices includes receipt by following devices of flush impulse, of information about address from leading device, comparison of received information about address by each following device with its own address and switching of one following device to data transfer mode if information received about address matches its own address. As information about address, received by following device, number of addressing impulses is used, and during transfer of one following device to data exchange mode other following devices are maintained in active mode.
EFFECT: decreased addressing time during serial querying of all following devices in the network.
FIELD: technology for determining solutions concerning possibility of connection between network elements using functions of network control system.
SUBSTANCE: in accordance to method, each network element contains input ports and output ports, while each provides a set of connection points. Connection possibility tables contains data about possible internal connections between connection points of any input port and any output port of any network elements, controlled by network control system. Method allows each time during selection of certain network element for use in a route with its input port and its output port to receive solution at network control device level concerning connection capabilities for certain network element.
EFFECT: increased searching efficiency at level of network control system.
2 cl, 5 dwg
FIELD: engineering of technical means for complex protection of information during its storage and transfer.
SUBSTANCE: method for complex information protection is realized in following order: prior to transfer into communication channel or prior to recording into memory, state of used communication channel or information storage environment is analyzed, from M possible codes parameters of optimal (n,k) code for current status of channel or information storage end are determined, information subject to protection is split on q-nary symbols l bits long (q=2l) for each q-nary system gamma combinations l bits long are formed independently from information source, for each set of k informational q-nary symbols (n-k) excessive q-nary symbols are formed in accordance to rules of source binary (n,k) code, each q-nary symbol is subjected to encrypting stochastic transformation with participation of gamma, after receipt from communication channel or after reading from memory for each q-nary symbol combination of gamma with length l is generated, synchronously with transferring side, reverse stochastic decrypting transformation is performed for each q-nary symbol with participation of gamma, by means of checking expressions of source binary code localized are correctly read from memory or received q-nary symbols, untrustworthily localized symbols are deleted, integrity of message is restored by correcting non-localized and erased q-nary symbols of each block, expressing their values through values of trustworthily localized or already corrected q-nary symbols, if trustworthy restoration of integrity of code block is impossible it is deleted, number of deleted blocks is counted, optimality is determined within observation interval of used code with correction of errors for current state of channel, if code optimum criterion exceeds given minimal and maximal limits, code is replaced with optimal code synchronously at transferring and receiving parts of channel in accordance to maximum transfer speed criterion.
EFFECT: efficiency of each protection type and increased quality of maintenance of guaranteed characteristics of informational system.
FIELD: transmitting messages with broadcast servicing parameters in wireless communication system supporting broadcast service.
SUBSTANCE: one of methods involves identification of service option number corresponding to set of broadcast transmission parameters. As an alternative, message identifies bit block corresponding to broadcast transmission parameters. Message can be transferred over service information transmission channel. Message for system supporting broadcast service identifies protocol stack for processing broadcast service and also identifies protocol stack for processing broadcast content.
EFFECT: enhanced efficiency and precision of data transfer and specific service rendering.
12 cl, 24 dwg
FIELD: data transmission in computer networks.
SUBSTANCE: in accordance to the invention, expandable, usable with various client-server informational systems, system of dynamically created program objects is used, wherein program objects are divided onto a fixed number of categories, which are matched with predetermined program interfaces, where creation of request to server and processing of response from server represent predetermined chains of program object method calls.
EFFECT: reduced load on communication line in client-server system.
2 cl, 6 dwg
FIELD: communications engineering, in particular, systems for controlling information exchange process in communication networks of industrial enterprises, in-plant networks and field communication units.
SUBSTANCE: system for controlling passage of documental information contains station for managing system for controlling information passage with operative-dispatching equipment, data transmission lines and phone communication connecting lines, station for controlling passage of documental information based on duty workplace for controlling passage of documental information and workplaces of two dispatchers, where each one of aforementioned workplaces is equipped with personal computer, containing system block, monitor, standard keyboard, "mouse" type graphical manipulator, printer and interface expander, block of adapters, block for connecting and distributing communication lines, client and connecting lines of service communications, service communications equipment, consisting of line commutation block and three control panels, one for each of aforementioned workplaces for controlling passage of documental information and of first and second dispatchers, n client stations for transferring documental information, each one of which contains group equipment block, four telegrapher panels and four end talking panels, data transmission lines and client phone communication lines, connected in a certain way.
EFFECT: increased trustworthiness of control over passage of documental information and increased quality of services, provided to consumers of aforementioned information.
2 cl, 2 dwg
FIELD: multi-layered content delivery.
SUBSTANCE: in accordance to the invention the network contains a content release layer, content delivery layer with at least one level of delivery sub-layer and a layer of boundary servicing, where the service release layer contains at least one node of Internet service provider (ICP), and is connected to first level delivery sub-layer in the content delivery layer, each delivery sub-layer contains at least one delivery unit, and the delivery sub-layer of the lowest level is connected to boundary service layer, the boundary service layer contains at least one boundary service area, and content, which is subject to release in a content release layer, is distributed through delivery node of first level delivery sub-layer, which is connected to content release layer, and further downwards level after level until the boundary service layer is reached.
EFFECT: distributed provision of services, optimized dispatching mode and local balancing of servicing load.
2 cl, 6 dwg
FIELD: mobile communications.
SUBSTANCE: each time when it is necessary to output information on available mobile telecommunication networks, it is required to determine if output of information on available mobile telecommunication networks is allowed on the basis of the number of information transmissions performed within certain period of time. If the transmission is allowed, information on available mobile telecommunication networks is transmitted and number of performed transmissions is registered; otherwise information transmission is stopped. When value of the period for decision making is changed, the record of transmission number is updated. If after stop of information transmission a request is received for information output, this request is left without answer or the information is transmitted after delay.
EFFECT: protection of Wireless Local Area Network (WLAN) against frequent interaction operations of network selection.
19 cl, 8 dwg