WO2012149792A1

WO2012149792A1 - Paging method, apparatus, and system

Info

Publication number: WO2012149792A1
Application number: PCT/CN2011/080487
Authority: WO
Inventors: 刘蕾; 唐波; 黄晓明
Original assignee: 华为技术有限公司
Priority date: 2011-09-30
Filing date: 2011-09-30
Publication date: 2012-11-08
Also published as: CN102388647B; CN102388647A

Abstract

Embodiments of the present invention provide a paging method, apparatus, and system, and relate to the technical field of communications. The method comprises: receiving a paging request sent by a serving general packet radio service support node; acquiring information of an original camping cell of a paged mobile station according to the paging request; and delivering the paging request to the original camping cell and neighboring cells of the original camping cell. Through the implementation of technical solution of the present invention, the number of paging requests delivered by the BSC is reduced, and the load of a cell CCCH channel and the signaling overhead of a system are decreased, thereby reducing CCCH channel congestions in a cell.

Description

Method, device and system for paging

The present invention relates to the field of communications technologies, and in particular, to a paging method, device, and system. Background technique

In the GSM (Global System of Mobile Communications) system, when the MS (Mobi Station) enters the Standby state, there is no signaling connection between the MS and the network side. When the downlink data needs to be sent to the MS in the Standby state, the MS in the Standby state must be advertised. After the paging is completed, the downlink data can be sent to the MS.

The paging procedure in the existing GSM system is: a network side node, such as a SGSN (Serving GPRS Support Node), sends a paging request to a BSC (Base Stat Controller). The paging range, for example, may be all cells in the routing area; after receiving the paging request, the BSC sends a paging to all cells in the routing area through the PCH (Paging Channel) channel of the cell. The request, when receiving the LLC (Logical Link Control) frame sent by the MS in the camping cell, forwards the LLC frame to the SGSN to complete the paging process.

In general, if the downlink data needs to be sent to the MS in the Standby state, the MS in the Standby state needs to be paged; however, as more and more applications are applied to the MS, for example, Instant messaging and mail services, etc., so that the network side will actively send downlink data to the MS frequently, which leads to a surge in paging volume, and the channel load of the CCCH (Common Control Channels) is increased, which affects the access of circuit services. . Summary of the invention

In order to solve the problem that the public control channel is overloaded due to the surge of the paging amount, the embodiment of the present invention provides a paging method, device and system.

In one aspect, a method for paging is provided, the method comprising:

Receiving a paging request sent by a general packet radio service support node;

Obtaining, according to the paging request, information about the original camped cell of the paging mobile station, where the original camped cell information is cell information that is camped when the paged mobile station is in the ready Ready state; And sending the paging request to the neighboring cell of the original camping cell and the original camping cell.

In another aspect, a base station controller is provided, where the base station controller includes: a receiving module, an obtaining module, and a first sending module;

The receiving module is configured to receive a paging request sent by a general packet radio service support node;

The acquiring module is configured to acquire, according to the paging request received by the receiving module, information about the original mobile cell of the paging mobile station, where the original resident cell information is that the paging mobile station is in the ready Ready state last time. Cell information in which the time resides;

The first sending module is configured to send the paging request to the original camping cell obtained by the acquiring module and the neighboring cell of the original camping cell.

In still another aspect, a paging system is provided, the system comprising: a base station controller and a general packet radio service support node;

The general packet radio service support node is configured to send a paging request to the base station controller;

The base station controller is configured to receive a paging request sent by the general packet radio service support node, acquire, according to the paging request, original cell information of the paging mobile station, and send the original camped cell to the The neighboring cell of the original camping cell sends a paging request, and the original camped cell information is cell information that is camped on when the paged mobile station is in the ready Ready state.

The technical solution provided by the embodiment of the present invention may obtain the original camped cell information of the paging mobile station according to the paging request, and send a paging request to the original camped cell and the neighboring cell of the original camped cell to reduce the paging request. The range of the mobile station is first paged to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

1 is a flowchart of a method for paging provided by Embodiment 1 of the present invention;

2 is a network architecture diagram according to Embodiment 2 of the present invention;

3 is a flowchart of a method for paging according to Embodiment 2 of the present invention;

4 is a flowchart of another method for paging provided by Embodiment 2 of the present invention;

Figure 5a is a base station controller according to Embodiment 3 of the present invention;

FIG. 5b is another base station controller according to Embodiment 3 of the present invention; FIG. Figure 5c is a further base station controller according to Embodiment 3 of the present invention;

FIG. 6 is a schematic diagram of a system for paging provided in Embodiment 4 of the present invention. detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Example 1

Referring to Figure 1, a method for paging, the method includes:

Step 101: Receive a paging request sent by a general packet radio service support node.

Step 102: Acquire, according to the paging request, information about the original camped cell of the paging mobile station, where the original camped cell information is cell information that is camped when the paged mobile station is in the Ready state.

Step 103: Send a paging request to the neighboring cell of the original camping cell and the original camping cell.

The technical solution provided by the embodiment of the present invention may obtain the original camped cell information of the paging mobile station according to the paging request, and send a paging request to the original camped cell and the neighboring cell of the original camped cell to reduce the paging request. The range of the mobile station is first paged to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system.

Example 2

The network architecture corresponding to the embodiment of the present invention may be as shown in FIG. 2, including an MS (Mobi Station), a BSC (Base Stat Analyzer), and a BTS (Base Transceiver Stat. And the SGSN (Serving GPRS Support Node), where the MS can connect and communicate with the BTS through the Um port, and the BTS can connect and communicate with the BSC through the Abi port, and the BSC can pass The Gb port is connected and communicated with the SGSN.

The following is a method for paging according to an embodiment of the present invention. Referring to FIG. 3, the specific implementation method is as follows: Step 201: The SGSN sends a paging request for paging the mobile station to the BSC, and starts a paging timer, waiting Receiving a paging response of the paged mobile station;

The paging request may include an identity of the paged mobile station, and an identity of the paged mobile station, for example, may include an IMSI of the paged mobile station (International Mobility Subscriber Identific Number) User ID) or IMEI (International Mobility Equipment Identific Number), which is used to uniquely identify the mobile station.

In the embodiment of the present invention, when the paging request of the paging mobile station is sent by the SGSN for the first time, the first paging request sent by the SGSN may further include the original mobile cell information of the paging mobile station, specifically, the SGSN. Searching for the original resident cell information maintained by the paging station according to the identity of the paged mobile station, and obtaining the original camped cell information of the paged mobile station, and When the BSC sends a paging request, the original camped cell information of the paging mobile station is carried in the paging request and sent to the BSC. The original camping cell of the paging mobile station is the cell where the mobile station is in the Ready state. In the embodiment of the present invention, when the mobile station establishes a signaling connection with the network side, The state is called the Ready state. At this time, the network side can transmit downlink data to the mobile station in the Ready state. The SGSN can maintain the information of the original camped cell. For example, the SGSN can maintain the mapping relationship between the mobile station identity identifier and the original camped cell information of the mobile station, and the mobile station identity identifier can determine the original of the mobile station from the maintained mapping relationship. Resident cell information.

In the embodiment of the present invention, the original camped cell information of the paging mobile station may be used to identify the original camped cell of the paging mobile station. For example, the original camped cell information may be a base station subsystem general packet radio service protocol. The BSSGP Virtual Connection Identifier (BVCI) can determine the corresponding original resident cell according to the BVCI.

In the embodiment of the present invention, the structure and content of the paging request sent by the SGSN for the first time can be seen in Table 1.

Table 1: Structure and Content of Paging Request

As shown in Table 1, the paging request may carry a last station base station subsystem general packet radio service protocol virtual link identification cell (Last Station Bvci), and the BVCI carried in the Last Station Bvci cell The corresponding original camped cell of the paged mobile station can be determined.

Correspondingly, the SGSN can maintain the original camped cell information. For example, the SGSN can maintain the mapping relationship between the mobile station identity identifier and the BVCI corresponding to the mobile station's original camping cell, and the corresponding mobile station can be determined by the BVCI corresponding to the mobile station's original camped cell. Original resident cell.

In the embodiment of the present invention, if the SGSN does not receive the paging response of the paging mobile station when the paging timer expires, the SGSN resends the paging request to the BSC, and the SGSN retransmits the paging mobile station. When the paging request is made, the retransmitted paging request does not include the original camped cell information of the paged mobile station. For example, the structure and content of the paging request retransmitted by the SGSN are similar to those shown in Table 1, except that the content of the optional Last Station Bvci cell in the paging request retransmitted by the SGSN is empty or heavy. The optional cell Last Station Bvci is not included in the page request sent.

Step 202: After receiving the paging request sent by the SGSN, the BSC parses the received paging request. If the paging request includes the original resident cell information, step 203 is performed;

If the paging request does not include the original resident cell information, step 206 is performed;

Step 203: The BSC acquires information about the original camped cell of the paging mobile station according to the paging request.

Here, the BSC parses the received paging request, and can obtain the original mobile cell information of the paging mobile station from the paging request by parsing the paging request, for example, the Last Station in the paging request. The BVCI corresponding to the original camped cell is obtained in the Bvci cell, and the original camped cell of the paged mobile station can be determined according to the BVCI.

Step 204: The BSC determines, according to the originally camped cell information of the paged mobile station, a neighboring cell of the originally camped cell of the paged mobile station.

Specifically, for example, the BSC may be pre-configured with neighbor cell list information, where the neighbor cell list information indicates a mapping relationship between the cell and a neighboring cell of the cell, so that the BSC determines the paged move by parsing the paging request. After the original camped cell of the station, the neighboring cell of the originally camped cell of the paged mobile station may be determined according to the pre-configured neighbor cell list information.

Step 205: The BSC sends a paging request to the original camped cell of the paged mobile station and the neighboring cell of the original camped cell. Specifically, the BSC can respectively pass the original camped cell of the paged mobile station and the original The paging channel in the neighboring cell of the camping cell broadcasts a paging request to the original cell of the paging mobile station and the neighboring cell of the original camping cell, where the paging request sent by the BSC may include Paging the identity of the mobile station.

In this way, all the mobile stations in the original camped cell of the paging mobile station and the neighboring cell of the original camped cell can receive the paging request broadcasted by the BSC; the mobile station that receives the paging request receives the received The paging request is parsed to obtain the identity of the paging mobile station, and it is determined whether the parsed identity identifier is the same as its own identity identifier. If not, the paging request is discarded. If the same, the LLC is sent to the BSC ( Logical Link Control, logical link control) frame.

In the embodiment of the present invention, if the paged mobile station further resides in the original camping cell or moves to the neighboring cell of the original camping cell, the paged mobile station can receive the paging request broadcast by the BSC. And after receiving the paging request, send an LLC frame to the BSC to complete the paging response and enter the Ready state.

Here, after receiving the LLC frame sent by the paging mobile station, the BSC forwards the LLC frame to the SGSN. If the SGSN receives the LLC frame after the paging timer has not timed out, the paging process is completed, and the paging process can be started. The downlink data is transmitted to the paged mobile station.

Step 206: The BSC sends a paging request to all the cells in the paging range specified in the paging request. Specifically, for example, the paging range specified in the paging request may be in the configured routing area. All cells in the cell, or all cells in the configured location area, or all cells in the area of the base station subsystem. The mobile station that receives the paging request parses the received paging request to obtain the identity of the paged mobile station, and determines the solution. Whether the obtained identity identifier is the same as its own identity identifier. If not, the paging request is discarded. If they are the same, an LLC (Logical Link Control) frame is sent to the BSC to complete the paging response.

In the embodiment of the present invention, if the paging mobile station does not move out of the routing area, the location area, or the base station subsystem area range configured by the SGSN, the paged mobile station necessarily receives the paging request broadcast by the BSC. And after receiving the paging request, send an LLC frame to the BSC to complete the paging response and enter the Ready state.

Here, after receiving the LLC frame sent by the paging mobile station, the BSC forwards the LLC frame to the SGSN, and the SGSN considers the paging mobile station to be after receiving the LLC frame when the paging timer has not timed out. When the sent paging request is given a response, the paging process is completed and the downlink data is started to be sent to the paged mobile station.

In the embodiment of the present invention, if the paging mobile station moves out of the routing area, the location area, or the base station subsystem area range configured by the SGSN, the paged mobile station must not receive the paging request sent by the BSC. , unable to respond to this page request.

According to the technical solution of the embodiment of the present invention, the BSC may obtain the original camped cell information of the paging mobile station according to the paging request, and send a paging to the original camped cell and the neighboring cell of the original camped cell. Requesting to reduce the range of the first paging mobile station, to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system; and, when receiving the paging request for retransmission by the SGSN, All cells within the paging range specified in the call request a paging request to further ensure successful paging to the mobile station.

When the SGSN has downlink data to be sent to the mobile station, the mobile station needs to be paged. The following is another method for paging provided by the embodiment of the present invention. Referring to FIG. 4, the specific implementation method is as follows:

Step 301: The SGSN sends a paging request to the BSC, and starts a paging timer, waiting to receive the paging response of the paging mobile station.

The paging request may include an identity of the paged mobile station, and the identity of the paged mobile station may include an IMSI (International Mobile Subscriber Identification Number) or an IMEI of the paged mobile station ( International Mobile Equipment Identification Number, etc., the identity is used to uniquely identify the mobile station;

In the embodiment of the present invention, if the SGSN does not receive the paging response of the paging mobile station when the paging timer expires, the SGSN resends the paging request to the BSC, where the SGSN will set a threshold, and the SGSN is looking for When the number of times the paging timer expires to resend the paging request exceeds the threshold, the paging of the paged mobile station will be abandoned.

It should be emphasized that, in the embodiment of the present invention, the paging request sent by the SGSN for the first time and the paging request resent when the paging timer expires do not carry the original camped cell information of the paging mobile station.

In the embodiment of the present invention, the structure and content of the paging request sent by the SGSN may be specifically as shown in Table 2.

Table 2: Paging Request Structure and Content

Step 302: After receiving the paging request sent by the SGSN, the BSC determines whether the received paging request is the paging request sent by the SGSN for the first time.

If the paging request is sent for the first time by the SGSN, step 303 is performed;

If the paging request is resent for the SGSN, step 306 is performed;

In the embodiment of the present invention, the BSC may determine, according to the recorded historical information, that the received paging request is a paging request that is first delivered or retransmitted by the SGSN.

Step 303: The BSC acquires information about the original camped cell of the paging mobile station according to the paging request.

The original camped cell of the paged mobile station is the cell where the mobile station camped when it was in the Ready state last time, and the original camped cell information of the paged mobile station is used to identify the paged mobile station. The original camped cell of the station, for example, the original camped cell information may be a base station subsystem BSSGP Virtual Connection Identifier (BVCI), according to which the corresponding original camped cell can be determined.

In the embodiment of the present invention, the BSC may maintain the original resident cell information. For example, the BSC may maintain a mapping relationship between the mobile station identity identifier and the BVCI corresponding to the mobile station's original camping cell, and the mobile station identity identifier may determine that the mobile station is originally resident. The BVCI corresponding to the cell can determine the original camped cell of the corresponding mobile station by using the BVCI corresponding to the original camped cell of the mobile station.

In the embodiment of the present invention, the state when the mobile station establishes a signaling connection with the network side is referred to as a Ready state. At this time, the network side may transmit downlink data to the mobile station in the Ready state.

The BSC may obtain the original camped cell information of the paging mobile station according to the paging request, and may specifically include: parsing the received paging request, obtaining the identity of the paging mobile station from the paging request, and according to the sought The identity of the calling mobile station obtains the original camped cell information of the paged mobile station from the maintained original camped cell information.

Step 304: The BSC acquires a neighboring cell of the originally camped cell of the paging mobile station according to the original camped cell information of the paged mobile station.

Specifically, for example, the BSC may be pre-configured with neighbor cell list information, where the neighbor cell list information indicates a mapping relationship between the cell information and the neighbor cell information of the cell, such that the BSC is in accordance with the paged mobile station. After the original camped cell information determines the original camped cell of the paged mobile station, the neighboring cell of the original camped cell of the called mobile station may be determined according to the pre-configured neighbor cell list information. Step 305: The BSC sends a paging request to the original camped cell of the paging mobile station and the neighboring cell of the original camped cell. Specifically, the BSC can respectively pass the original camped cell and the original station of the paged mobile station. The paging channel in the neighboring cell of the reserved cell broadcasts a paging request to the original cell of the paging mobile station and the neighboring cell of the original camping cell, where the paging request sent by the BSC includes at least the found Call the identity of the mobile station.

In the embodiment of the present invention, if the called mobile station still camps in the original camping cell or moves to the neighboring cell of the original camping cell, the paged mobile station must be able to receive the paging request broadcast by the BSC. And after receiving the paging request, send an LLC frame to the BSC to complete the paging response and enter the Ready state.

Here, after receiving the LLC frame sent by the paging mobile station, the BSC forwards the LLC frame to the SGSN. After receiving the LLC frame, the SGSN acknowledges that the paging process is completed, and can start to the paged mobile station. Send downlink data.

In the embodiment of the present invention, if the paged mobile station is not in the original cell or the neighboring cell of the original camping cell after multiple times of moving, the paged mobile station will not receive the BSC. The paging request cannot respond to the paging request.

Step 306: The BSC sends a paging request to all cells in the paging range specified in the paging request.

Specifically, for example, the paging range specified in the paging request may be all cells in the configured routing area, or all cells in the configured location area, or all within the range of the base station subsystem area. The mobile station that receives the paging request parses the received paging request to obtain the identity of the paging mobile station, and determines whether the analyzed identity identifier is the same as its own identity identifier, and if not, discards The paging request, if the same, sends an LLC (Logical Link Control) frame to the BSC.

In the embodiment of the present invention, after receiving the LLC frame sent by the paging mobile station, the BSC forwards the LLC frame to the SGSN, and if the SGSN receives the LLC frame after the paging timer has not timed out, After the paging process is completed, it is possible to start transmitting downlink data to the paged mobile station.

In the embodiment of the present invention, if the paging mobile station moves out of the routing area, the location area, or the base station subsystem area range configured by the SGSN, the paged mobile station must not receive the paging request sent by the BSC. , can't please this page Ask for a response.

According to the technical solution of the embodiment of the present invention, the BSC may obtain the original camped cell information of the paging mobile station according to the paging request, and send a paging to the original camped cell and the neighboring cell of the original camped cell. Requesting to reduce the range of the first paging mobile station, to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system; in addition, when receiving the paging request sent by the SGSN again, All cells within the paging range specified in the call request a paging request to further ensure successful paging to the mobile station.

Example 3

Referring to FIG. 5a, a base station controller includes: a receiving module 401, an obtaining module 402, and a first sending module 403. The receiving module 401 is configured to receive a paging request sent by a general packet radio service support node.

The obtaining module 402 is configured to obtain the original camped cell information of the paging mobile station according to the paging request received by the receiving module 401, where the original camped cell information is when the paged mobile station is in the Ready state last time. Resident cell information;

The first sending module 403 is configured to send a paging request to the original camped cell obtained by the obtaining module 402 and the neighboring cell of the original camping cell.

Before the detailed description, it should be noted that when there is downlink data on the network side, it needs to be sent to Standby.

In the case of a mobile station in the (standby) state, the packet radio service support node must first page the mobile station in the Standby state. In a specific implementation, the general packet radio service support node sends a paging request to the base station controller to page the mobile station, and starts a paging timer, waits to receive the paging response of the paging mobile station, and is in the paging When the timer has not received the paging response of the paged mobile station when the timer expires, the paging request is resent to the base station controller. In the embodiment of the present invention, the paging request of the paging mobile station that is sent by the general packet radio service support node to the base station controller for the first time is referred to as the paging request that is sent by the packet radio service support node for the first time, and will be timed. The paging request sent when the timeout still fails to receive the paging response of the paged mobile station is referred to as a paging request retransmitted by the packet radio service support node.

In the embodiment of the present invention, the paging request sent by the general packet radio service support node for the first time may include the original camped cell information of the paging mobile station, and specifically, the general packet radio service support node may be based on the paging. The identity of the mobile station searches for the original camped cell information maintained by it to obtain the original camped cell information of the paged mobile station, and when the paging request is sent to the base station controller for the first time, the original station of the paged mobile station is The cell information is carried in the paging request and sent to the base station controller.

The obtaining module 402 is configured to parse the paging request, and obtain, from the paging request, information about the original camped cell of the paging mobile station;

The original camped cell information may be used to identify the original camped cell of the paging mobile station, for example, the original camped cell. The information may be a base station subsystem general packet radio service protocol virtual connection identifier (BVCI), according to which the corresponding original camped cell may be determined; the original camped cell of the paged mobile station is In the embodiment of the present invention, the state in which the mobile station establishes a signaling connection with the network side is referred to as a Ready state. In this embodiment, the network side may be in the Ready state. Sends downlink data to the mobile station in the Ready state.

Referring to FIG. 5b, the obtaining module 402 in the base station controller provided by the embodiment of the present invention may further include: a determining unit 4021, configured to determine whether the paging request is a paging that is sent by the general packet radio service support node for the first time. The requesting unit 4022 is configured to: when the paging request is a paging request that is sent by the general packet radio service support node, obtain the identity of the paging mobile station from the paging request, and determine, according to the identity identifier, Paging the original camped cell information of the mobile station.

Specifically, the obtaining unit 4022 may be specifically configured to: when the paging request is a paging request that is sent by the general packet radio service support node, obtain the identity of the paging mobile station from the paging request, and according to the identity Identifying the original camped cell information of the paged mobile station from the maintained original camped cell information.

In the embodiment of the present invention, for example, the base station controller may maintain the original camped cell information, for example, the base station controller may maintain the mapping relationship between the mobile station identity identifier and the BVCI corresponding to the mobile station's original camping cell, and then the base station controller The acquiring unit may determine the BVCI corresponding to the original camping cell of the mobile station by using the mobile station identity, and determine the original camping cell of the corresponding mobile station by using the BVCI corresponding to the original camping cell of the mobile station.

The identity of the paged mobile station may include, for example, an IMSI (International Mobility Subscriber Identification Number) or an IMEI (International Mobility Equipment Identification Number) of the paged mobile station. Number, International Mobile Equipment Identity), etc., which is used to uniquely identify the mobile station.

In addition, referring to FIG. 5c, the base station controller provided by the embodiment of the present invention may further include:

The neighboring cell search module 404 is configured to obtain the neighboring cell of the original camping cell according to the original camping cell information. In the embodiment of the present invention, for example, the BSC may be configured with neighbor cell list information, and the neighbor cell list information is given. The mapping relationship between the cell and the neighboring cell of the cell, so that after the BSC resolves the paging request to determine the original camped cell of the paged mobile station, the BSC can determine the paged mobile station according to the pre-configured neighbor cell list information. The neighboring cell of the original camped cell.

a second sending module 405, configured to send, to the cell in the paging range specified by the paging request, if the paging request is a paging request resent by the general packet radio service support node Paging request.

In the embodiment of the present invention, for example, the paging range specified in the paging request may be all cells in the configured routing area, or all cells in the configured location area, or a base station subsystem area range. All small inside Area.

The processing procedure of the paging performed by the base station controller provided by the embodiment of the present invention is similar to the foregoing method embodiment, and details are not described herein again.

The BSC provided by the embodiment of the present invention may obtain the original camped cell information of the paging mobile station according to the paging request, and send a paging request to the original camped cell and the neighboring cell of the original camped cell, thereby reducing the paging request. First paging the range of the mobile station, to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system; and, when receiving the paging request sent by the SGSN again, specify the paging request All cells within the paging range issue a paging request to further ensure successful paging to the mobile station.

Example 4

Referring to Figure 6, a paging system, the system includes: a base station controller 501 and a general packet radio service support node 502;

The general packet radio service support node 502 is configured to send a paging request to the base station controller 501. When the paging request of the paging mobile station is first delivered by the general packet radio service support node 502, the first delivery is performed. The paging request may include the original camped cell information of the paging mobile station. Specifically, the general packet radio service support node 502 may search for the original resident cell information maintained by the paging mobile station according to the identity of the paged mobile station. The original camped cell information of the mobile station is paged, and when the paging request is sent to the base station controller 501 for the first time, the original camped cell information of the paged mobile station is carried in the paging request and sent to the base station controller 501.

The original camping cell of the paging mobile station is the cell where the mobile station is in the Ready state. In the embodiment of the present invention, when the mobile station establishes a signaling connection with the network side, The state is called the Ready state. At this time, the network side can transmit downlink data to the mobile station in the Ready state. The general packet radio service support node 502 can maintain the original camped cell information. For example, the general packet radio service support node 502 can maintain the mapping relationship between the mobile station identity and the mobile station's original camped cell information, by the mobile station identity. The original camped cell information of the mobile station can be determined from the maintained mapping relationship.

The original camped cell information of the paged mobile station may be used to identify the original camped cell of the paged mobile station. For example, the original camped cell information may be a base station subsystem General Packet Radio Service Protocol virtual connection identifier (BSSGP Virtual). Connection Identifier (BVCI), according to the BVCI can determine the corresponding original resident cell.

In addition, in the embodiment of the present invention, after the paging request of the paging mobile station is first delivered, the general packet radio service support node 502 starts the paging timer and does not receive the paging timer when it times out. The paging response to the paged mobile station resends the paging request to the base station controller 501, and the packet radio service support node 502 retransmits the paging request of the paging mobile station. The paging request may or may not contain the original camped cell information of the paged mobile station. The base station controller 501 is configured to receive the paging request sent by the general packet radio service support node 502, obtain the original camped cell information of the paging mobile station 500 according to the paging request, and send the original camped cell and the original resident A neighboring cell of the cell sends a paging request, where the original camped cell information is cell information that is camped when the paged mobile station is in the ready Ready state;

In addition, the packet radio service support node 502 can also be used to maintain the original camped cell information.

For example, the packet radio service support node 502 can maintain a mapping relationship between the mobile station identity identifier and the original camped cell information of the mobile station, and the mobile station identity identifier can determine the original camped cell information of the mobile station from the maintained mapping relationship. .

The general packet radio service support node 502 is further configured to: if the paging request is sent to the base station controller for the first time, carry the original camped cell information of the paged mobile station in the paging request and send it to the base station controller 501.

The base station controller 501 is further configured to: when receiving the paging request retransmitted by the packet radio service support node 502, send a paging request to all cells in the paging range specified by the paging request.

In the embodiment of the present invention, for example, the paging range specified in the paging request may be all cells in the configured routing area, or all cells in the configured location area, or a base station subsystem area range. All cells within.

The processing procedure for the paging of the base station controller and the general packet radio service support node provided by the embodiment of the present invention is similar to the foregoing method embodiment, and details are not described herein again.

In the system provided by the embodiment of the present invention, the BSC may acquire the original camped cell information of the paging mobile station according to the paging request received from the SGSN, and go to the original camped cell and the neighboring cell of the original camped cell. Sending a paging request to reduce the range of the first paging mobile station, to reduce the number of paging requests sent by the BSC, reduce the load of the CCCH channel of the cell, and the signaling overhead of the system; in addition, when receiving the paging request sent by the SGSN again Sending a paging request to all cells within the paging range of the paging request to further ensure successful paging to the mobile station. The methods, devices, and system embodiments of the present invention can be referenced to each other. In particular, since the entire process has been described in detail in the method, some details of the device and system embodiments are not described in detail, but reference may be made to the method embodiments.

A person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium. The storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the spirit and principles of the present invention. Any modifications, equivalent substitutions, improvements, etc. made therein are intended to be included within the scope of the present invention.

Claims

A method for paging, characterized in that the method comprises:

Receiving a paging request sent by a general packet radio service support node;

And acquiring, according to the paging request, original camping cell information of the paging mobile station, where the original camped cell information is cell information that is camped when the paging mobile station is in the Ready state.

And sending the paging request to the neighboring cell of the original camping cell and the original camping cell.

The method according to claim 1, wherein the obtaining the original camped cell information of the paged mobile station according to the paging request comprises:

Parsing the paging request, and acquiring the original camped cell information of the paged mobile station from the paging request.

The method according to claim 1, wherein the obtaining the original camped cell information of the paging mobile station according to the paging request comprises:

Determining whether the paging request is a paging request that is sent by the general packet radio service support node for the first time, if the paging request is a paging request that is sent by the general packet radio service support node for the first time, Obtaining an identity of the paged mobile station from the paging request, and determining, according to the identity identifier, original cell information of the paged mobile station.

The method according to claim 3, wherein the determining, according to the identity identifier, the original camped cell information of the paging mobile station comprises:

Obtaining the original camped cell information of the paged mobile station from the maintained original camped cell information according to the identity identifier.

The method according to claim 1, wherein the method further includes: before the paging request is sent to the neighboring cell of the original camping cell and the original camping cell, the method further includes:

Obtaining a neighboring cell of the original camped cell according to the original camped cell information.

6. The method according to claim 1, wherein the method further comprises: if the paging request is a paging request retransmitted by the general packet radio service support node, to the paging All the cells in the paging range specified in the request deliver the paging request.

A base station controller, the base station controller includes: a receiving module, an obtaining module, and a first sending module;

The first sending module is configured to send the paging request to the neighboring cell of the original camping cell and the original camping cell.

The base station controller according to claim 7, wherein the acquiring module is further configured to parse the paging request, and obtain, from the paging request, an original camped cell of the paging mobile station. information.

The base station controller according to claim 7, wherein the acquiring module comprises:

a determining unit, configured to determine whether the paging request is a paging request that is sent by the general packet radio service support node for the first time;

An acquiring unit, configured to acquire, when the determining unit determines that the paging request is a paging request that is sent by the general packet radio service support node for the first time, obtain the identity of the paged mobile station from the paging request Identifying, and determining, according to the identity identifier, original camped cell information of the paged mobile station.

The base station controller according to claim 9, wherein the acquiring unit is further configured to: after the determining unit determines that the paging request is sent by the general packet radio service support node for the first time Obtaining an identity of the paged mobile station from the paging request, and obtaining, from the maintained original resident cell information, the original resident cell information of the paged mobile station according to the paging request .

The base station controller according to claim 7, wherein the base station controller further comprises: a neighboring cell acquiring module, configured to acquire, according to the original camped cell information, the neighbor of the original camped cell Community.

The base station controller according to claim 7, wherein the base station controller further comprises: a second sending module, configured to: if the paging request is retransmitted by the general packet radio service support node The paging request sends the paging request to all cells in the paging range specified in the paging request.

13. A paging system, the system comprising: a base station controller and a general packet radio service support node;

The general packet radio service support node is configured to send a paging request to the base station controller; the base station controller is configured to receive a paging request sent by the general packet radio service support node, according to the paging request Acquiring the original camping cell information of the paging mobile station, and sending the paging request to the neighboring cell of the original camping cell and the original camping cell, where the original camping cell information is found Calls the cell information that the mobile station was in when it was in the Ready state.

The system according to claim 13, wherein the general packet radio service support node is further configured to maintain original camped cell information.

15. The system of claim 13 wherein said general packet radio service support node is further for transmitting the paged mobile station if said page request is sent to said base station controller for the first time The camped cell information is carried in the paging request and sent to the base station controller.

The system according to claim 13, wherein the base station controller comprises the base station controller according to any one of claims 7 to 11.

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Correction page (Article 91)