CN101399720B - Method for accelerating network access by radio communication system terminal - Google Patents
Method for accelerating network access by radio communication system terminal Download PDFInfo
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- CN101399720B CN101399720B CN2007101406775A CN200710140677A CN101399720B CN 101399720 B CN101399720 B CN 101399720B CN 2007101406775 A CN2007101406775 A CN 2007101406775A CN 200710140677 A CN200710140677 A CN 200710140677A CN 101399720 B CN101399720 B CN 101399720B
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Abstract
The invention discloses a method used for quickening a wireless communication system terminal to be accessed in the network, which comprises the steps as follows: a synchronous downstream channel analyzes the down link mapping message and gains a base-station identification (BS ID), a network access provider identification (NAP ID), a network service provider identification flag (NSP ID Flag) and a downstream channel description count value (DCD count); match judgment is carried out on the BS ID and the NAP ID as well as the value memorized by the terminal; whether the NSP ID Flag is effective or not is judged; if not, the network discovery and selection flow is finished; the method improves the original protocol flow, reduces the time that the terminal carries out network discovery and selection, thus improving the network access-in speed of the terminal.
Description
Technical field
The present invention relates to the wireless communication system technical field of access networks, relate to the method for wireless communication terminal access network particularly.
Background technology
In current wireless network, both there had been Access Network operator (NAP, NetworkAccess Provider), also there is service network operator (NSP, Network ServiceProvider), there is the network design mode of multiple mode.The simplest situation be exactly NAP and NSP be man-to-man relation; Other may be for a NAP can share with a plurality of NSP, and a NSP also can provide access service by a plurality of NAP simultaneously, and under complicated like this network design pattern, the discovery and the selection function of network are more and more important.
In present cordless communication network, realize that network is found and the scheme of selection respectively has characteristics, but a connectivity serving network identification list that obtains current Access Network is wherein all arranged, from these tabulations, select an Internet service provider then, continue follow-up network then and enter process.
With WiMAX (worldwide interoperability for Microwave Access, micro-wave access global inter communication) system is example, in the NWG1.1.1 version of its new issue, has described the flow process and the method for discovery of WiMAX terminal and selection network.Wherein, having described the network of terminal under three kinds of situations finds and selection: situation 1 is for finding based on the network of " the last link information " of storing and selecting; Situation 2 is for finding based on the network of " configuration information the when user subscribes to " stored and selecting; Situation 3 is not find and selection course based on the network of any stored information.
For situation based on " the last link information " of storing, terminal is to obtaining Network Access Provider sign (NAP ID, Network Access ProviderID) and Base Station Identification (BS ID, Base Station ID) be effectively after, terminal can be carried out last time DCD count value validity earlier and be judged flow process; If after the judgement of DCD count value is invalid, then continue to obtain DCD, UCD message, carry out NSP change last time count value validity then and judge; If it is invalid that NSP last time changes the count value variation, then to carry out the NSP tabulation and obtain NSP tabulation carrying out the then NSP selection that flow process obtains current base station.
For the situation of " configuration information the when user subscribes to " based on storage, terminal is to obtaining after Network Access Provider sign NAP ID is judged as effectively, then will carry out the NSP tabulation and obtain NSP tabulation carrying out the then NSP that flow process obtains current Access Network and select.
To not based on the situation of any stored information, terminal is to obtaining after the Network Access Provider sign NAP ID, proceeds the NSP tabulation and obtains NSP tabulation carrying out the then NSP that flow process obtains current Access Network and select.
According to the IEEE802.16e-2005 agreement, downlink map (DL-MAP) message the inside includes " DCD count value " and " BS sign ".According to the NWG agreement, " BS sign " the inside not only includes NAP sign (NAP ID), also has a NSP identity marking simultaneously; If NAP only links with a NSP in the network design, do not need to provide separately NSP ID simultaneously yet, then " NSP identity marking " is provided with invalid (being set to 0 here); Otherwise " NSP identity marking " is set to effectively (be set to non-0 here).There are " configuration change counting ", " Internet Service Provider's sign (NSP ID, NetworkService Provider ID) changes count value " in DCD message (be the message that BS periodically sends, defined the characteristic of down physical channel) the inside.
According to the IEEE802.16e-2005 agreement, always at first receive DL-MAP message during the terminal down-going synchronous, thereby obtain " DCD count value " and " BS sign (can obtain NAP sign and NSP identity marking " from the BS sign.And then receive control messages such as DCD.
Have only a NSP and NAP link because " NSP identity marking " is 0 expression, can finish network discovery and selection in this case, enter follow-up network and enter flow process.After network was found and selected to finish, broadcast SII-ADV can pass through in the base station, or network enter in the flow process basic capability negotiating SBC-REQ/SBS-RSP incidentally, perhaps terminal is notified terminal the information of NSP by sending SBC-REQ active request base station.
According to NWG1.1.1 and IEEE802.16g agreement, the process that terminal will be obtained the NSP tabulation is as follows, terminal is provided with a timer and waits for SII-ADV message (service identification information message, this message is broadcast, wherein comprise the NSP tabulation), if the timer expiry terminal is not received service identification message, then terminal can initiatively send the NSP tabulation of the current Access Network of SBC-REQ message (terminal basic capacity request message) request, and then Access Network can be notified terminal the NSP tabulation by SII-ADV or SBS-RSP (terminal basic capacity response message).Thereby terminal can be according to the selection course of NSP tabulation carrying out NSP.See that from this process obtaining the NSP tabulation is long process.
So as seen through the above analysis, flow process according to existing protocol, though terminal is decoding DL-MAP message earlier, obtain " NSP identity marking " from " BS ID ", but the validity of " NSP identity marking " is not judged, but continue the subsequent network discovery and select flow process, wherein might comprise the process that NSP tabulation carrying out NSP selects of obtaining.Can cause " NSP identity marking " under the invalid situation like this, still can continue subsequent network finds and selection course, wherein may comprise and obtain the process that NSP tabulation carrying out NSP selects, carry out the time that network is found and selected, influence the speed of accessing terminal to network thereby increased terminal.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is, a kind of method that is used to accelerate network access by radio communication system terminal is provided.
According to the method that is used to accelerate network access by radio communication system terminal of the present invention, to preserving link information situation last time based on terminal, may further comprise the steps: the DL synchronization channel, resolve downlink map message, obtaining Base Station Identification at least is that BS ID, Network Access Provider sign are that NAP ID, Internet Service Provider's identity marking are NSP ID Flag; With Base Station Identification is that BS ID and Network Access Provider sign are NAP ID, carry out the matching judgement with the value of terminal preservation; If the matching judged result is whether NSP ID Flag effectively judges to the Internet Service Provider's identity marking that obtains then for coupling; And if Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
In addition, in the method, if the value that Base Station Identification and Network Access Provider sign and terminal are preserved does not match, original flow process then continues to carry on an agreement.
In addition, in the method, Flag is effective if Internet Service Provider's identity marking is NSP ID, then continues original flow process that carries on an agreement.
In addition, in the method, Internet Service Provider's identity marking is that 0 expression is invalid, and Internet Service Provider's identity marking is that non-0 expression is effective.
According to the method that is used to accelerate network access by radio communication system terminal of the present invention, to preserve user's configuration information situation when subscribing to based on terminal, may further comprise the steps: the DL synchronization channel, resolve downlink map message, obtaining the Network Access Provider sign at least is that NAP ID, Internet Service Provider's identity marking are NSP ID Flag; The value that Network Access Provider is identified NAP ID and terminal preservation is carried out the matching judgement; If the matching judged result is whether NSP ID Flag effectively judges to Internet Service Provider's identity marking then for coupling; And if Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
In addition, in the method, if the value that Network Access Provider sign and terminal are preserved does not match, original flow process then continues to carry on an agreement.
In addition, in the method, Flag is effective if Internet Service Provider's identity marking is NSP ID, then continues original flow process that carries on an agreement.
In addition, in the method, Internet Service Provider's identity marking is that 0 expression is invalid, and Internet Service Provider's identity marking is that non-0 expression is effective.
According to the method that is used to accelerate network access by radio communication system terminal of the present invention, to terminal not based under any stored information situation, may further comprise the steps: the DL synchronization channel, resolve downlink map message, obtain Internet Service Provider's identity marking NSP ID Flag at least; To Internet Service Provider's identity marking is whether NSP ID Flag effectively judges; And if Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
In addition, in the method, Flag is effective if Internet Service Provider's identity marking is NSP ID, then continues original flow process that carries on an agreement.
In addition, in the method, Internet Service Provider's identity marking is that 0 expression is invalid, and Internet Service Provider's identity marking is that non-0 expression is effective.
By above-mentioned aspect of the present invention, the present invention has improved original protocol flow, reduces terminal and carries out the time that network is found and selected, thereby improve the speed of accessing terminal to network.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the flow chart of method that is used to accelerate network access by radio communication system terminal according to the embodiment of the invention;
Fig. 2 shows the flow chart of the method that is used to accelerate network access by radio communication system terminal according to another embodiment of the present invention;
Fig. 3 shows the flow chart of method that is used to accelerate network access by radio communication system terminal according to further embodiment of this invention;
Fig. 4 shows the optimization flow chart that the WiMAX network is found and selected based on the network of " the last link information " of storage according to the embodiment of the invention;
Fig. 5 shows the optimization flow chart that the WiMAX network is found and selected based on the network of " configuration information the when user subscribes to " of storage according to the embodiment of the invention; And
Fig. 6 shows the optimization flow chart that the WiMAX network is not found and selected based on the network of any storage according to the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
The method of quickening network access by radio communication system terminal provided by the invention may further comprise the steps: wireless terminal receiving system parameter information, at least obtaining Base Station Identification is that BS ID, Network Access Provider sign are after NAP ID, Internet Service Provider's identity marking are NSPID Flag, judging NAPID, BSID effective (situation 1) or NAPID effective (situation 2) afterwards, needing increase to carry out " NSP ID Flag " validity and judge.Under the situation of not carrying out the judgement of BSID and NAPID validity (situation 3), directly increase " NSPID Flag " validity and judge.
If judge that " NSP ID Flag " is effective, promptly be not equal to 0, then proceed subsequent network and find and select flow process.If judge that it is invalid, promptly equal 0, then network is found and is selected flow process to finish, and enters follow-up network and enters flow process; After this terminal still can be obtained NSP information, promptly can by network enter in the flow process basic capability negotiating SBC-REQ/SBS-RSP message incidentally, or the base station is by broadcast SII-ADV, or terminal is by sending SBC-REQ active request base station the information of NSP notice terminal.
By top method step, increasing " NSP identity marking " validity judges, only be judged as under the effective situation at " NSP identity marking ", just continue subsequent network and find and select flow process, avoided under " NSP identity marking " invalid situation, also must continuing the subsequent network discovery and selected flow process, found and selected network development process thereby accelerated terminal.
Fig. 1 shows the flow chart of method that is used to accelerate network access by radio communication system terminal according to the embodiment of the invention.
As shown in Figure 1, to preserving link information situation last time based on terminal, may further comprise the steps: step S102, the DL synchronization channel, resolve downlink map message, obtaining Base Station Identification at least is that BS ID, Network Access Provider sign are that NAP ID, Internet Service Provider's identity marking are NSP ID Flag; Step S104 carries out matching with the value of Base Station Identification BS ID and Network Access Provider sign NAP ID and terminal preservation and judges; Step S106 is if whether the matching judged result is then effectively judged Internet Service Provider's identity marking NSP ID Flag for coupling; And step S108, if Internet Service Provider's identity marking NSP ID Flag is invalid, then network finds to select flow process to finish.
In addition, in the method,, then continue to carry out former agreement flow process if the value that Base Station Identification BS ID and Network Access Provider identity marking NAP ID and terminal are preserved does not match.
In addition, in the method, if Internet Service Provider's identity marking is that NSP IDFlag is effective, original flow process then continues to carry on an agreement.
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
Fig. 2 shows the flow chart of the method that is used to accelerate network access by radio communication system terminal according to another embodiment of the present invention.
As shown in Figure 2, to preserve user's configuration information situation when subscribing to based on terminal, may further comprise the steps: step S202, DL synchronization channel, resolve downlink map message, obtaining the Network Access Provider sign at least is that NAP ID, Internet Service Provider's identity marking are NSP ID Flag; Step S204, the value that Network Access Provider is identified NAP ID and terminal preservation is carried out the matching judgement; Step S206 is if whether the matching judged result is then effectively judged network service provider identity marking NSP ID Flag for coupling; And step S208, if the identity marking NSP ID Flag of service network operator is invalid, then network finds to select flow process to finish.
In addition, in the method,, then continue to carry out former agreement flow process if the value that Network Access Provider sign NAP ID and terminal are preserved does not match.
In addition, in the method, if Internet Service Provider's identity marking is that NSP IDFlag is effective, original flow process then continues to carry on an agreement.
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
Fig. 3 shows the flow chart of method that is used to accelerate network access by radio communication system terminal according to further embodiment of this invention.
As shown in Figure 3, terminal not based under any stored information situation, be may further comprise the steps: step S302, the DL synchronization channel is resolved downlink map message, obtains Internet Service Provider's identity marking NSP ID Flag at least; Whether step S304 effectively judges Internet Service Provider's identity marking NSP ID Flag; And step S306, if the identity marking NSP ID Flag of service network operator is invalid, then network finds to select flow process to finish.
In addition, in the method,, then continue to carry out original flow process if service network operator identity marking is that NSP IDFlag is effective.
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
Fig. 4 shows the optimization flow chart that the WiMAX network is found and selected based on the network of " the last link information " of storage according to the embodiment of the invention.
Show as Fig. 4, may further comprise the steps:
Step 402, the DL synchronization channel is resolved DL-MAP message, and obtaining Base Station Identification at least is that BS ID, Network Access Provider sign are that NAP ID, Internet Service Provider's identity marking are NSP ID Flag;
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
Fig. 5 shows the optimization flow chart that the WiMAX network is found and selected based on the network of " configuration information the when user subscribes to " of storage according to the embodiment of the invention.
As shown in Figure 5, comprise the steps:
Step 504 judges whether " NAP ID " closes the value coupling that terminal is preserved; If coupling then turns to step 506; If do not match, then turn to step 508;
Step 506 is carried out " NSP ID Flag " validity and is judged; If effectively, then turn to step 510; If invalid, then turn to step 512;
Step 508 continues follow-up flow process according to agreement, promptly restarts network discovery and selection;
Step 510 continues follow-up flow process according to agreement, promptly obtains message such as DCD, UCD, and obtains NSP tabulation carrying out NSP selection etc.;
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
Fig. 6 shows the optimization flow chart that the WiMAX network is not found and selected based on the network of any storage according to the embodiment of the invention.
As shown in Figure 6, comprise the steps:
Step 604 is carried out " NSP ID Flag " validity and is judged; If effectively, then turn to step 606; If invalid, then turn to step 608;
Step 606 continues follow-up flow process according to agreement;
In addition, in the method, Access Network operator identity marking is that 0 expression is invalid, and Access Network operator identity marking is that non-0 expression is effective.
The present invention in terminal based on " link information last time " or " configuration information the when user subscribes to " or do not find and select in the flow process based on the network of preserving information, at least after having obtained Base Station Identification BS ID, Network Access Provider sign NAP ID, Internet Service Provider's identity marking NSP ID Flag by receiving system information,, the Access Network sign judges that flow process (" link information last time " or " configuration information the when user subscribes to ") increases the judgement of " NSP ID Flag " validity finishing marking matched judgements of Access Network back to being arranged; Do not judge that to there being the Access Network sign flow process (not finding and selection based on the network of the information of preservation) has then directly increased " NSPID Flag " validity and judged.Only effectively, just proceed the flow process of former agreement, otherwise network is found and selects to finish at " NSP ID Flag ".Under " NSP ID Flag " invalid situation, still needing in original agreement flow process to avoid a series of invalid process of former agreement subsequent network discovery and selection thus, thereby accelerated the speed of accessing terminal to network.
Access Network operator identity marking is that 0 expression is invalid among the present invention, and Access Network operator identity marking is that non-0 expression is effective.
Judging that " NSP ID Flag " is invalid, then network is found and is selected flow process to finish, and enters follow-up network and enters flow process; After this terminal still can be obtained NSP information, promptly can by network enter in the flow process basic capability negotiating SBC-REQ/SBS-RSP message incidentally, or the base station is by broadcast SII-ADV, or terminal is by sending SBC-REQ active request base station the information of NSP notice terminal.
In sum,, improved original protocol flow, reduced terminal and carry out the time that network is found and selected, thereby improved the speed of accessing terminal to network by the present invention.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. method that is used to accelerate network access by radio communication system terminal to preserving link information situation last time based on terminal, may further comprise the steps:
The DL synchronization channel is resolved downlink map message, and obtaining Base Station Identification at least is that BS ID, Network Access Provider sign are that NAP ID, Internet Service Provider's identity marking are NSP ID Flag;
With the described Base Station Identification that obtains is that BS ID and described Network Access Provider sign are that the value that NAP ID and terminal are preserved is carried out the matching judgement;
If the matching judged result is whether NSP ID Flag effectively judges to the described Internet Service Provider's identity marking that obtains then for coupling; And
If described Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
2. method according to claim 1 is characterized in that, if the value that described Base Station Identification and described Network Access Provider sign and terminal are preserved does not match, original flow process then continues to carry on an agreement.
3. method according to claim 1 is characterized in that, if described Internet Service Provider's identity marking is that NSP ID Flag is effective, then continues original flow process that carries on an agreement.
4. according to each described method in the claim 1 to 3, it is characterized in that described Internet Service Provider's identity marking is that 0 expression is invalid, described Internet Service Provider's identity marking is that non-0 expression is effective.
5. method that is used to accelerate network access by radio communication system terminal to preserve user's configuration information situation when subscribing to based on terminal, may further comprise the steps:
The DL synchronization channel is resolved downlink map message, and obtaining the Network Access Provider sign at least is that NAP ID, Internet Service Provider's identity marking are NSP IDFlag;
The described Network Access Provider sign that obtains is NAP ID, carries out matching judgment with the value of terminal preservation;
If the matching judged result is whether NSP ID Flag effectively judges to described Internet Service Provider's identity marking then for coupling; And
If described Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
6. method according to claim 5 is characterized in that, if the value that described Network Access Provider sign and terminal are preserved does not match, original flow process then continues to carry on an agreement.
7. method according to claim 5 is characterized in that, if described Internet Service Provider's identity marking is that NSP ID Flag is effective, then continues original flow process that carries on an agreement.
8. according to each described method in the claim 5 to 7, it is characterized in that described Internet Service Provider's identity marking is that 0 expression is invalid, described Internet Service Provider's identity marking is that non-0 expression is effective.
9. method that is used to accelerate network access by radio communication system terminal, may further comprise the steps not based under any stored information situation terminal:
The DL synchronization channel is resolved downlink map message, and obtaining Internet Service Provider's identity marking at least is NSP ID Flag;
To described Internet Service Provider's identity marking is whether NSP ID Flag effectively judges; And
If described Internet Service Provider's identity marking is that NSP ID Flag is invalid, then network finds to select flow process to finish.
10. method according to claim 9 is characterized in that, if described Internet Service Provider's identity marking is that NSP ID Flag is effective, then continues original flow process that carries on an agreement.
11., it is characterized in that described Internet Service Provider's identity marking is that 0 expression is invalid according to claim 9 or 10 described methods, described Internet Service Provider's identity marking is that non-0 expression is effective.
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| CN2007101406775A CN101399720B (en) | 2007-09-30 | 2007-09-30 | Method for accelerating network access by radio communication system terminal |
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| CN2007101406775A CN101399720B (en) | 2007-09-30 | 2007-09-30 | Method for accelerating network access by radio communication system terminal |
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| CN101742506A (en) * | 2009-11-11 | 2010-06-16 | 中兴通讯股份有限公司 | A network access method and device |
| CN105897691A (en) * | 2016-03-24 | 2016-08-24 | 美的集团股份有限公司 | Method, apparatus, and system for connection of IoT device to network |
| CN108271230B (en) * | 2018-02-01 | 2021-09-07 | 北京佰才邦技术股份有限公司 | Method and device for acquiring mobile management information and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1802013A (en) * | 2005-07-01 | 2006-07-12 | 华为技术有限公司 | Method and apparatus for realizing network service provider discovery |
| CN1893716A (en) * | 2005-07-08 | 2007-01-10 | 华为技术有限公司 | Method and corresponding device for realizing network service providing trader's discover |
| CN101006687A (en) * | 2004-07-27 | 2007-07-25 | Sk电信有限公社 | Method and system for providing interworking with portable internet network and other kinds of networks |
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| CN101006687A (en) * | 2004-07-27 | 2007-07-25 | Sk电信有限公社 | Method and system for providing interworking with portable internet network and other kinds of networks |
| CN1802013A (en) * | 2005-07-01 | 2006-07-12 | 华为技术有限公司 | Method and apparatus for realizing network service provider discovery |
| CN1893716A (en) * | 2005-07-08 | 2007-01-10 | 华为技术有限公司 | Method and corresponding device for realizing network service providing trader's discover |
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