Method of rapid positioning and data transmission to mobile device in wireless communication network

FIELD: radio engineering.

SUBSTANCE: equipment and method for positioning in sector for wireless communication device and data transmission from base station to wireless communication device through signalling channel in wireless communication network without allocated data access channelisation. When base station is ready to transmit data through signalling channel to wireless communication device, at first it sends routing table update message to wireless communication device. Wireless communication device sends response back to base station, not starting any traffic channelisation procedure. The response is delivered with sector position information to base station. After response is received base station transmits data to signalling channel in sector where wireless communication device is connected.

EFFECT: internet protocol (IP) data package transmitting to signalling channel without transmitting of IP data packages to sectors where target wireless communication device is not connected, thus avoiding network flooding with unnecessary signalling messages.

22 cl, 4 dwg

 

Cross-reference to related application

This application claims the priority of provisional application number 60/581841, filed June 21, 2004, a full description of which is incorporated herein by reference.

The technical field to which the invention relates

This invention relates to data transmission in a wireless communication system, and more specifically to a fast data transfer via the signaling path in the wireless communications system by establishing a dedicated channel traffic.

Description of the prior art

In wireless communication systems capabilities negotiation half-duplex communication (PTT) become popular in service sectors. PTT can support "dispatch" services voice communication, which is operated in standard commercial wireless infrastructures, such as multiple access, code division multiple access (CDMA)systems, multiple access frequency division multiple access (FDMA)systems, multiple access with time division multiplexing (TDMA) and global system for mobile communications (GSM). In a dispatch communication between the end points (end-user devices) occurs within virtual groups, where the voice of one "speaker" is airing on one or more "when Whateley". A single act of this type of communication is commonly referred to as the dispatch call, or, in other words, the PTT call. PTT call is a specification of a group, which defines the characteristics of the call. The group is essentially determined by the list of participants and associated information such as group name or identity of the group. In the absence of wireless multicast channel each group is formed by a combination of a point-to-point connections between each end point and PTT servers servicing the call. Each destination is also called by the client.

Figure 1 illustrates the relevant prior art architecture 100 that supports push to talk communication. This architecture includes the deployment of a separate area of the PTT server in combination with CDMA infrastructure operator and network packet data. Each area PTT servers deployed over a specific part of the packet data network operator. PTT server inside the area can route traffic between one or more nodes of the packet data service (PDSN) in the network operator. The device 102 that supports PTT, communicates with the base station (BS) 104. Each BS 104 may communicate with one or more transmitting base article what ntemi (BTS) 114. The base station 104 communicates with the high-speed network 106 and PTT-transmit, received from device 102 communication is routed through the base station 104 and the network 106 to the node of the packet data service (PDSN). PDSN communicates with the high-speed network 106 and network 106 PTT server, which is connected to the PTT network 110. PDSN sends a PTT transmission on PTT server 112 in PTT network 110.

The PTT server 112 controls the PTT connection between the participants of the PTT group. The PTT server 112 receives the PTT-transmit from one participant and sends them to all other participants in the PTT group. PTT transmission is usually taken in the form of data packets from the network 110, and a PTT transmission, sent to the PTT server 112, is also presented in the format of the data packet. Site maintenance packet data (PDSN) and cause the connected base station (BS) next, create using BTS 114 a dedicated channel for transmitting PTT-transmit receive mobile client (PTT).

Figure 2 illustrates the corresponding prior art messaging 200 for establishing a PTT call. When PTT-user (the initiator) is ready to make a PTT call, he presses the activation button push to talk on your mobile device 102 and, thus, a PTT request. In response to the PTT request is accepted by the mobile device 102, mobile device sends a call request to the PTT server is 112, also known as PTT-Manager. The PTT server 112 receives the call request and processes the call request. Processing the call request includes an identification of the PTT user, identification of the PTT group that owns the PTT user, identification of the PTT group and reporting information about the call, which must be sent to each member of the PTT group.

After sending the PTT-server (112) messages the reporting call each message informing about the call is received by PDSN and sent it PDSN to the BS 104. BS 104 broadcasts a message informing about calling in all sectors in the coverage area of BTS 114, connected to the BS 104. If the mobile client, which is the target recipient is available, then the mobile client sends a message making a call back to the PTT server 112. Upon receipt of a message making a call from at least one mobile subscriber PTT server 112 sends a message granting the right to transfer back to the mobile client initiator. There can be more than one target user group PTT communication initiator, and the PTT server 112 provides the right to transfer to the sender, if available, at least one target mobile client. After receiving the message, provide the population the right to transfer, the requesting mobile client (initiator) can make a PTT connection.

The process of establishing a PTT communication described above, time-sensitive, and the initial PTT-delay, shown in figure 2, has an impact on network traffic. Long delay directly affect users of PTT communication. Some attempts were made to improve the process of establishment, and one of the ways to accelerate the process of establishing a PTT call is to introduce a message informing about the call in the alarm message and the transmission of the message informing about the call signaling path to its intended recipient.

Send a message informing about the call signaling path really speeds up the process of establishing a PTT call, but it also infests the wireless network connection signalling messages, especially when the location of the recipient is unknown and must be carried out broadcast messages alarm on a large area. Therefore, it is desirable to have a system and method to enable targeted messages alarm in the area where the recipient, thus providing a fast establishment of PTT, not fueling the network wireless unnecessary signalling messages, the system and method in OS what RAM this invention is directed.

A brief description of the invention

The apparatus and method according to the invention make it possible to transfer data packets are Internet Protocol (IP) channel signaling in a wireless communication network without transmitting the IP data packet in the sectors where the target wireless device is not found, avoiding, thus flooding the network with unnecessary messages alarm. In one embodiment, is provided a method of positioning the sector for wireless communication and data transmission from the base station on the wireless communication channel signaling in a wireless communication network without establishing a dedicated channel data access. This method includes broadcasting a broadcast message on the signaling path from the base station in the set of sectors that communicates with the base station and the reception of this broadcast messages in wireless communication and the sending of a confirmation from him, and receiving confirmation from the wireless device and the confirmation is delivered together with information of the location in the sector. The method also includes the transmission of data over the signaling path from the base station in the sector identified by the information location in the sector. Shi is acoustilay message, on reception by the wireless device, does not prescribe that the wireless device to install any additional channel of access to the data between the wireless device and the base station.

In another embodiment, is provided apparatus for positioning in the sector for wireless communication and data transmission from the base station on the wireless communication channel signaling in a wireless communication network, without creating a dedicated channel data access. This apparatus includes a network interface module for receiving the first message addressed to the wireless device, from a data network, the controller module for analyzing the first message and the radio interface module for communication with wireless communication via radio signals. The controller, in response to the first message, broadcasts a second message in a variety of sectors that communicates with this equipment, while broadcasting the second message causes the receiving the third message from the wireless device and the third message is delivered with information about the sector. The controller, in response to the third message, transmits the first message on the channel signal is specialization in the sector, identified information about the sector.

Relevant to the present invention apparatus and method, therefore, mainly in that they provide a targeted message alarm in the region where the recipient, thus providing a fast establishing PTT without flooding the wireless network with unnecessary signalling messages or instructions to the wireless communication device to begin to open dedicated traffic channels.

Other advantages and features of the present invention will be apparent after reading the following sections List the drawings, Detailed description of the invention and claims.

List of drawings

Figure 1 - relevant prior art architecture of wireless networks.

Figure 2 is a corresponding prior art messaging for establishing a PTT call.

Figure 3 - architecture of a base station according to one variant embodiment of the invention.

4 is a block diagram of a sequence of operations illustrative of a process performed by the base station.

Detailed description of the invention

In this description, the terms "communication device", "wireless device," "wireless device," "device, " push to talk " communication", "portable device", "mo is safe device" and "handset" are used interchangeably. The terms "base station" and "server base station" are also used interchangeably. It is implied that the term "application" in the sense as used here, covers the executable and non-executable software files, raw data, grouped data, the embedded program-fixes and other code segments. The term "exemplary" means that the described element or structure is only an example and this is not to say preference of the user. Moreover, identical reference numbers refer to identical elements in the several drawings, and references in the singular does not exclude the presence of many, if otherwise is not stated in the description.

In General, the system and method allow for focused message transmission from the base station on a wireless device according to the signaling path, while establishing a PTT call without flooding the network wireless alarm messages. Usually when PTT server 112 receives the message from the initiating establishment of the wireless device 102, the PTT server 112 identifies the target wireless device 102 and sends a message informing about calling each of these target wireless devices 102. The message informing about the call is sent from the PTT server 112 BS104, serving the target wireless device 102. After BS 104 receives a message informing them about the call from the PTT server 112, BS 104 may transmit this message to inform about the call to the target wireless device 102 through the channel traffic after determining the location of the target wireless device 102. BS 104 typically uses the echo message, shirokoveshchanie in all sectors within its coverage area, to determine the location of the target wireless device 102. When the target wireless device 102 receives an echo message, it sends it in the opposite direction message connection request to the BS 104 and begins to activate the channel traffic in preparation to receive messages from the BS 104. Alternatively, to speed up the process, the BS 104 may invest the received message informing about calling in the alarm message and perform broadcast this message alarm channel alarm in all sectors. The message informing about the call being accepted by the target wireless device 102, and instructs the targeted wireless device 102 to send a message of acceptance of the call back to the BS 104.

Broadcast messages the reporting call signaling path to the target wireless device 102 accelerates the process of establishing a PTT call on cf is the ranking, with the transfer of the echo messages, followed by a message informing the calling channel traffic. However, the message informing about the call usually presented in the format of a data packet, an Internet Protocol (IP) and its size is usually large. The message informing about the call can reach 50-60 bytes, which includes the IP header and the payload; for comparison, the message is a personal call is from one to two bytes. Broadcasting such a large message on the signaling path for all sectors covered by the BS 104, overloads the entire coverage area, while the target wireless means 102 is located in only one of these sectors.

BS 104 according to the invention allows to avoid flooding her coverage long message alarm, channel alarm, and also prevents the execution of the target wireless device 102 any action on the activation of the channel traffic in preparation for the reception of the message informing about the call. BS 104 determines the location of the target wireless device 102 upon receipt of a message informing about the call from the PTT server 112 through the original broadcast request messages update route channel alarm in all sectors covered by this BS 104. The message update request route - this is a short message, specified in the standard "only estimated data (EvDO), which supports wireless data transmission. The message update request route is a short message and instructs the receiving wireless device 102 to perform any action to establish traffic channels. Instead, the receiving wireless device 102 sends back a response message to the request updates the route on the BS 104. The response message to the request updates the route taken BTS 114 and forwarded back to the BS 104. Identity BTS 114 indicate BS 104 sector, which is this wireless device. Then, the BS 104 may transmit on the channel alarm message alarm with an attached message informing about calling in the sector in which the wireless device 102.

Figure 3 is a simplified architecture 300 server BS 104, performed with the opportunity to take related to PTT message from the PTT server 112 via the network and data transfer related to the PTT message to the BTS 114. Server BS 104 includes a network interface module 304 to receive data packets from the data network, the module 306 interface with the BTS to send push to talk messages to the BTS 114 and PTT messages are transmitted in the format of the signals to the wireless device 102, and the module controller 308 is and. BS 104 communicates with the PTT server 112 via the data network.

4 is an exemplary block diagram 400 of a sequence of operations of a process performed by a base station in accordance with one embodiments of the present invention. The base station 104 receives the PTT message from the PTT server 112, step 402. When the PTT-a message is received, it is parsed by the base station 104 to determine whether it is a message informing about the call, step 404. PTT messages are identified by their packet headers. If the PTT message is not a message informing about the call, the base station 104 moves to the normal processing of the received PTT message, step 406. If the PTT message is a message informing about the call, the base station 104 generates a request message to update the route directed to the target wireless device 102, step 408, instead of broadcasting messages the reporting call signaling path in all sectors associated with the base station 104. After forming the request message update route base station 104 broadcasts a request message update route through all BTS 114 connected to the base station 104, step 410. After the broadcast request message update route base station 104 waits for a response, step 412. what if the response is not accepted, and the limit time-out exhausted, the base station 104 proceeds to the error state, step 416.

When the response message update request route is delivered to one of the BTS 114, base station 104 identifies the sector in which it has a wireless device 102, using the identification data of the host BTS 114, step 418. After identification of the host BTS 114 and the sector associated with the host BTS 114, base station 104 composes a message signaling, which is embedded in the message informing about the call, step 420, and transmits this message on the signaling path in the sector identified by the host BTS 114, step 422. Message alarm message informing of the call will be made the target wireless device 102 in channel signaling, and subsequently the target wireless device 102 may send back a message of acceptance of the call signaling path to the base station 104, which then sends it to the PTT server 112.

Although the invention is described above in the context of the PTT, this invention is not restricted to the PTT connection, or a message informing about the call or the message update request route. In a broader sense, this invention provides the ability to transmit IP packets over a channel signaling in a wireless telecommunication the network without transmitting the IP data packet in the sectors where there is no target wireless device, thus avoiding flooding the network with unnecessary messages alarm. Using the original transmission of the message signaling that does not require any action from the target wireless device, except the response is sent back to the base station, the base station can determine in which sector is the target device, and then transmit the IP data packets in the message alarm channel alarm in this particular sector.

Due to the fact that the method is executed on a computer device of a wireless service provider, this method may be implemented by a program residing on machine-readable media, with this program manages a server or other computer device having a computer platform so that they are performed the steps of the method. Machine-readable media may be the server memory, or it may be located in an attached database. Moreover, the machine-readable medium may be in the secondary drive, which is loaded into the computer platform of the wireless communication devices, such as magnetic disk or tape, optical disk, hard disk, flash memory or other known in the art media data.

In accordance with Figure 4, the method can be performed, in the example, functional nodes of a wireless network, such as wireless communication or server, to execute a sequence of machine-readable instructions. Although all stages are illustrated in some sequence, the method can be implemented in a different sequence or as event-driven process. The instructions may reside on different types of primary, secondary, or tertiary media signal transmission or storage devices. The storage device may include, for example, random access memory (RAM) (not shown)inside components of a wireless network or available to them. Regardless of whether contained instructions in RAM, on disk or on any other secondary storage device, the instructions may be stored on various computer-readable media, such as DASD storage management device with direct access), i.e. a normal hard drive or RAID array of independent disk drives), magnetic tape, electronic read-only memory device (i.e. ROM, EPROM, or EEPROM), flash memory, optical storage device (i.e. CD-ROM, WORM, DVD, digital optical tape), paper card punch or other suitable data storage media, including digital and analog transmission media.

Although this invention has been shown and described in detail with reference to preferred implementation, specialists in the art should understand that various changes in form and details may be made without going beyond the scope of the present invention, which is defined by the following claims. For example, although the present description is based on sound PTT connection, it should be clear that the apparatus, system and method can be easily modified to support the use of other signals, such as video data, etc. furthermore, although elements of the invention may be described or claimed in the singular, the plural number also means that if a limitation to the singular is not explicitly specified.

1. The method of positioning the sector for wireless communication and data transmission from the base station to the wireless communication device, which selectively creates a dedicated channel data access channel signaling in a wireless communication network, and said determining is performed without creating a dedicated channel data access, the method contains the steps that carry broadcast broadcast messages on the signaling path from the base station in many sectors, the OS is Westley communication with the base station; receive a broadcast message on the wireless communication device and wireless communication device is not installed dedicated channel data access between the wireless device and the base station through the reception of broadcast messages; send an acknowledgement from the wireless device; receive confirmation from the wireless communication devices, and this confirmation is delivered with information of the location in the sector; and transmit data via the signaling path from the base station in the sector, identified adopted by the information location in the sector.

2. The method according to claim 1, in which the data are at least one data packet, an Internet Protocol (IP).

3. The method according to claim 1, wherein the broadcast message is a message requesting update of the route.

4. The method according to claim 1, in which the data is message negotiation half duplex (PTT) communication.

5. The method according to claim 4, in which the PTT message is a message informing.

6. The method according to claim 1, additionally containing a stage on which to implement the PTT message in the alarm message.

7. Apparatus for positioning in the sector for wireless communication and data transmission from the base station on the wireless communication channel signalling with the ti wireless connectivity without creating a dedicated channel data access, this apparatus contains a network interface module for receiving the first message from the data network, a message addressed to the wireless communication device; a controller module for analyzing the first message and the radio interface module for communication with wireless communication via radio signals; the controller in response to the first message broadcasts a second message in a variety of sectors that communicates with equipment, and broadcasting the second message causes the receiving the third message from the wireless device when the third message is delivered with information about the sector, with the controller in response to the third message transmits the first message channel alarm in the sector identified by the information location in the sector.

8. Apparatus according to claim 7, in which the first message is a message negotiation half-duplex communication (PTT).

9. The apparatus of claim 8, in which the PTT message is a PTT message informing about the call.

10. Apparatus according to claim 7, in which the second message is a message requesting update of the route.

11. Apparatus according to claim 7, in which the second message instructs the wireless device to create the hardware channel access is PA to the data.

12. Apparatus for positioning in the sector for wireless communication and data transmission from the base station on the wireless communication channel signaling in a wireless communication network without a dedicated access channel data, and the apparatus includes means for receiving the first message from the data network, and the message addressed to the wireless device; means for analyzing the first message, and means for communication with wireless communication via radio signals; means for analyzing, in response to the first message carry broadcast a second message in a variety of sectors that communicates with the apparatus, and a broadcast sending the second message causes the receiving the third message from the wireless device and the third message is delivered with information of the location in the sector; means for analyzing, in response to the third message, transmit the first message on the signaling path in the sector identified by the information location in the sector.

13. The apparatus indicated in paragraph 12, in which the first message is a message negotiation half duplex (PTT) communication.

14. Apparatus according to item 13, in which the PTT message is a PTT message is formirovaniya about the call.

15. The apparatus indicated in paragraph 12, in which the second message is a message requesting update of the route.

16. The apparatus indicated in paragraph 12, in which the second message instructs the wireless device to create the hardware channel access data.

17. Machine-readable media on which is stored a computer program for determining the location in the sector for wireless communication and data transmission from the base station on the wireless communication channel alarm without creating a dedicated channel data access, when this computer program includes computer instructions that when executed by the apparatus in the wireless communication network to perform the steps of broadcasting a broadcast message on the signaling path from the base station in the set of sectors that communicates with the base station, with a broadcast message when receiving the wireless communication device does not instructs the wireless device to install any dedicated channel data access between the device wireless communications and base station; sending an acknowledgement from the wireless device in response to reception of a broadcast message; receiving an acknowledgement from the wireless device, and confirmation is received from the position information is the position in the sector; and data signaling from the base station in the sector identified by the information location in the sector.

18. A machine-readable medium of 17, in which the data are at least one data packet, an Internet Protocol(IP).

19. A machine-readable medium of 17, in which the broadcast message is a request message of route updates.

20. A machine-readable medium of 17, in which the data is message negotiation half duplex (PTT) communication.

21. A machine-readable medium of 17, in which the PTT message is a message informing.

22. Machine-readable medium according to 17, further containing the step of introducing the PTT message in the alarm message.



 

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10 cl, 11 dwg, 1 tbl

FIELD: physics, communication.

SUBSTANCE: invention is related to systems of wireless communication. Method and system for distribution of data bursts in system of wireless communication with availability of frame installed along symbol interval axis and frequency band axis, frame includes the first area, in which MAP-message is transmitted, and the second area, to which data bursts are distributed, the third area on the basis of symbol interval and frequency band is located in the second area, data bursts are serially distributed to the third area from the first interval of symbol along axis of frequency band.

EFFECT: provision of efficient distribution of data bursts in system of wireless communication.

14 cl, 2 dwg

FIELD: physics, communication.

SUBSTANCE: present invention is related to technology of development of efficient service of broadcasting group transfer of data for mobile stations from base station, which performs broadcasting group transfer of data in wireless network, in which every of mobile stations inputs information that designates property of quality of service (KO, QoS), for generation of message on the basis of input information, and for transfer of generated message to base station that performs broadcasting transfer of group data.

EFFECT: optimisation of data group transfer.

39 cl, 7 dwg

FIELD: physics, communication.

SUBSTANCE: invention is related to equipment of mobile communication. Method is suggested for provision of broadcasting service in system of mobile communication that includes multiple cells. Method includes transfer of broadcast programs information, related to available broadcast programs, information related to broadcasting and required for reception of available broadcast programs, and information of broadcasting zones identification to access terminal; and transfer of broadcasting service to access terminal.

EFFECT: provision of possibility for the terminal not to enter into condition of service failure, when crossing the border of new broadcasting zone.

13 cl, 14 dwg,1 tbl

FIELD: communications.

SUBSTANCE: methods for limitation of cellular unit reselection according to changes in quality of communication links are submitted. In one aspect the result of measurement of received from basic station pilot-signal power is used as indication of communication link quality. In other aspect hysteresis is used to limit cellular unit reselection, at that, hysteresis value is larger in mediums with relatively high communication link quality and smaller in mediums with relatively low communication link quality. Also various other aspects are presented.

EFFECT: methods provide advantages of cellular unit reselection decrease thereby increasing time in low power consumption mode to decrease power consumption and increase waiting time.

27 cl, 6 dwg

FIELD: radio communications.

SUBSTANCE: proposed method intended for single-ended radio communications between mobile objects whose routes have common initial center involves radio communications with aid of low-power intermediate transceiving stations equipped with non-directional antennas and dropped from mobile object, these intermediate transceiving drop stations being produced in advance on mentioned mobile objects and destroyed upon completion of radio communications. Proposed radio communication system is characterized in reduced space requirement which enhances its effectiveness in joint functioning of several radio communication systems.

EFFECT: reduced mass and size of transceiver stations, enhanced noise immunity and electromagnetic safety of personnel.

1 cl, 7 dwg, 1 tbl

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