WO2009015540A1 - Method for accelerating terminal of wireless communication system accessing network - Google Patents
Method for accelerating terminal of wireless communication system accessing network Download PDFInfo
- Publication number
- WO2009015540A1 WO2009015540A1 PCT/CN2007/003921 CN2007003921W WO2009015540A1 WO 2009015540 A1 WO2009015540 A1 WO 2009015540A1 CN 2007003921 W CN2007003921 W CN 2007003921W WO 2009015540 A1 WO2009015540 A1 WO 2009015540A1
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- WO
- WIPO (PCT)
- Prior art keywords
- terminal
- nap
- network
- message
- information
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Definitions
- the present invention relates to a wireless communication system access network technology, and more particularly to a method for a wireless communication terminal to access a network.
- one access network can be shared by multiple service networks, and one geographical area can also be simultaneously operated by multiple access network operators. Provide services. In such a complex operating mode, the discovery and selection functions of the network are becoming more and more important.
- the schemes for implementing network discovery and selection have their own characteristics, but firstly, it is necessary to obtain the identifier of the network, and then the terminal performs subsequent processing according to the information stored by the terminal.
- WiMAX Take the WiMAX system as an example.
- NWG 1.1.0 the process and method of WiMAX terminal discovery and selection of networks are described.
- the network discovery and selection process when the terminal saves the configuration information of the relevant subscription is described.
- the base station access can utilize the configuration information of the saved subscription to optimize the process of network discovery and selection and the like to enter the network.
- the current network discovery and selection based on "last connection information" or "subscription configuration information" and the process of entering the network include the following sequence of processes:
- the terminal will perform the process before the network access provider identifier (NAP ID, Network Access Provider ID) and the base station identifier (BS ID, Base Station ID) validity determination process.
- NAP ID Network Access Provider ID
- BS ID Base Station ID
- Sub-DCD count value validity judgment process After the DCD count value is judged to be invalid, the message such as DCD is continuously obtained.
- the terminal directly obtains a message such as a downlink channel descriptor (DCD, Download Channel Descriptor) and then performs a NAP ID validity determination process.
- DCD downlink channel descriptor
- the downlink mapping (DL-MAP) message contains There are “DCD count value” and “BS ID (including NAP ID)”, and the DCD message (that is, a message periodically sent by the BS, which defines the characteristics of the downlink physical channel) has “configuration change count, , , " network service The provider identifier (NSP ID, Network Service Provider ID) changes the count value.
- NAP ID Network Service Provider
- the terminal always receives the DL-MAP message first in the downlink synchronization, thereby obtaining the "DCD count value" and the "BS ID (including the NAP ID)". Then receive control messages such as DCD.
- the technical problem to be solved by the present invention is to provide a method for accelerating the entry of a terminal of a wireless communication system into a network, thereby improving the original protocol flow and reducing the time for the terminal to perform network discovery and selection, thereby improving the speed at which the terminal accesses the network.
- the present invention provides a method for accelerating a wireless communication system terminal to enter a network, comprising the following steps:
- the wireless terminal receives the system parameter information, and after obtaining the system information of the base station identity BS ID and the network access provider identity NAP ID, immediately validates the NAP ID, or the NAP ID and the BS ID. Judgment of effectiveness;
- the terminal proceeds to perform the network discovery and selection subsequent processes according to the information stored therein; if it is determined to be invalid, a new network discovery and selection process is performed.
- step (a) If the terminal has previous connection information, in step (a), the NAP ID and the BS ID The validity of the judgment;
- step (a) If the terminal stores the configuration information at the time of subscription, in step (a), the validity of the NAP ID is determined.
- step (b) includes receiving and parsing the processed physical channel parameter message.
- the terminal does not receive and parse the processing physical channel parameter message according to the existing protocol, but starts a new network discovery and selection process.
- step (a) the terminal obtains the BS ID, the NAP ID, and the downlink channel descriptor DCD count value by synchronizing the downlink channel and parsing the DL-MAP message.
- the terminal (a) stores the previous connection information
- the subsequent process of the step (b) includes the following steps:
- step (bl) determining whether the DCD count value matches the DCD count value saved by the terminal, and if yes, ending network discovery and selection; if not, performing step (b2);
- step (a) the terminal stores configuration information at the time of subscription
- step (b) includes: receiving and parsing the processed DCD message and the UCD message and the NSP change count value, and continuing the subsequent process according to the protocol. Execution.
- the present invention When obtaining the BS ID and the NAP ID by receiving the system information of the wireless communication, the present invention first determines the validity of the BS ID and the NAP ID, and then performs the network discovery and selection process based on the "existing connection information". Subsequent process; or in the network discovery and selection process based on the "configuration information of existing subscriptions", the NAP ID is saved in the original protocol process by first performing the NAP ID validity judgment before proceeding with the subsequent process. In the case of invalid BS ID, a series of invalid processes such as message reception and decoding still need to be continued, thereby speeding up the terminal accessing the network.
- BRIEF abstract 1 is an optimization flow of network discovery and selection based on a last connection information of a WiMAX network according to an embodiment of the present invention
- FIG. 2 is a flow chart for optimizing network discovery and selection of a WiMAX network based on subscription configuration information according to an embodiment of the present invention.
- the method for speeding up the wireless communication system terminal to enter the network includes the following steps:
- the wireless terminal receives the system parameter information, and immediately obtains the validity of the NAP ID, or the BS ID and the NAP, after obtaining the system information of the BS ID and the NAP ID. Judging the validity of the ID;
- the subsequent process of receiving and parsing the physical channel parameter message is continued; if it is judged to be invalid, a new network discovery and selection process is performed.
- Embodiment 1 In the case where the terminal has the previous connection information, the method for implementing the network discovery and selection in the embodiment of the present invention is as shown in FIG. 1 , and includes the following steps:
- Step 101 Synchronize the downlink channel, parse the DL-MAP message, and obtain the NAP ID and BS respectively.
- Step 102 Determine whether the NAP ID and the BS ID match the value saved by the terminal, if yes, perform step 103; if not, go to step 105;
- Step 103 Determine whether the DCD count value matches the value saved by the terminal; if yes, go to step 104; if not, go to step 106;
- Step 104 The network discovery and selection ends
- Step 105 Terminate the subsequent process in the original protocol, restart network discovery and selection, that is, wireless
- the terminal does not need to receive and parse the physical channel parameter message according to the protocol;
- Step 106 Waiting, scanning, and obtaining a DCD and Upstream Channel Descriptor (UCD) message and an NSP change count value; and continuing the subsequent process according to the protocol.
- Embodiment 2 In the case that the terminal has the configuration information at the time of the subscription, the method for implementing the network discovery and selection in the embodiment of the present invention is as shown in FIG. 2, and includes the following steps:
- Step 201 Synchronize the downlink channel, parse the DL-MAP message, and obtain the NAP ID, the BS ID, and the DCD count value respectively.
- step 202 Determine whether the NAP ID matches the configuration information of the subscription saved by the terminal, and if yes, perform 203; if not, go to step 204;
- the present invention provides a method for accelerating a wireless communication system terminal to enter a network, and based on a network discovery and selection process of "already connection information" or "already configured information", the NAP ID is obtained by receiving system information and After the BS ID, the NAP ID or the NAP ID and the validity of the BS ID are first determined, and then the subsequent process is performed. This avoids a series of invalid processes such as message reception and decoding that need to be continued in the original protocol flow when the NAP ID or BS ID is invalid, thereby speeding up the terminal accessing the network.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07855921.8A EP2180639B1 (en) | 2007-07-31 | 2007-12-29 | Method for accelerating terminal of wireless communication system accessing network |
US12/670,399 US8320316B2 (en) | 2007-07-31 | 2007-12-29 | Method for accelerating terminal of wireless communication system accessing network |
JP2010518475A JP5001430B2 (ja) | 2007-07-31 | 2007-12-29 | 無線通信システム端末のネットワークへのアクセスを加速する方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101434440A CN101360026B (zh) | 2007-07-31 | 2007-07-31 | 一种加快无线通信系统终端进入网络的方法 |
CN200710143444.0 | 2007-07-31 |
Publications (1)
Publication Number | Publication Date |
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WO2009015540A1 true WO2009015540A1 (en) | 2009-02-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2007/003921 WO2009015540A1 (en) | 2007-07-31 | 2007-12-29 | Method for accelerating terminal of wireless communication system accessing network |
Country Status (5)
Country | Link |
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US (1) | US8320316B2 (zh) |
EP (1) | EP2180639B1 (zh) |
JP (1) | JP5001430B2 (zh) |
CN (1) | CN101360026B (zh) |
WO (1) | WO2009015540A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100265934A1 (en) * | 2009-04-17 | 2010-10-21 | Qualcomm Incorporated | Methods and systems using fast initial synchronization for wimax mobile stations |
KR101592039B1 (ko) * | 2010-03-02 | 2016-02-05 | 삼성전자주식회사 | 통신 시스템에서 플로우 정보 관리 방법 및 장치 |
KR20120109666A (ko) * | 2011-03-23 | 2012-10-08 | 삼성전자주식회사 | 네트워크 접속 방법 및 장치 |
KR101481595B1 (ko) | 2011-04-03 | 2015-01-12 | 엘지전자 주식회사 | 무선 통신 시스템에서 메시지를 송신하는 방법 및 이를 위한 장치 |
PL2783534T3 (pl) * | 2011-11-21 | 2018-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Węzeł sieci radiowej, urządzenie użytkownika i sposoby umożliwiające dostęp do sieci radiowej |
CN109309925B (zh) * | 2017-07-28 | 2022-06-07 | 中国移动通信有限公司研究院 | 一种业务优化能力的激活方法、基站设备及核心网设备 |
CN109583453B (zh) * | 2017-09-29 | 2023-04-07 | 阿里巴巴集团控股有限公司 | 图像的识别方法和装置、数据的识别方法、终端 |
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2007
- 2007-07-31 CN CN2007101434440A patent/CN101360026B/zh active Active
- 2007-12-29 EP EP07855921.8A patent/EP2180639B1/en active Active
- 2007-12-29 JP JP2010518475A patent/JP5001430B2/ja active Active
- 2007-12-29 WO PCT/CN2007/003921 patent/WO2009015540A1/zh active Application Filing
- 2007-12-29 US US12/670,399 patent/US8320316B2/en active Active
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JPH1141651A (ja) * | 1997-07-16 | 1999-02-12 | Casio Comput Co Ltd | 携帯通信端末装置および場所検出プログラムを記録した記録媒体 |
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Also Published As
Publication number | Publication date |
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JP5001430B2 (ja) | 2012-08-15 |
CN101360026B (zh) | 2010-12-29 |
US20100195534A1 (en) | 2010-08-05 |
US8320316B2 (en) | 2012-11-27 |
JP2010534987A (ja) | 2010-11-11 |
EP2180639A4 (en) | 2013-08-28 |
CN101360026A (zh) | 2009-02-04 |
EP2180639A1 (en) | 2010-04-28 |
EP2180639B1 (en) | 2016-07-06 |
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