CN102299782A - Method, terminal and control station for processing network access - Google Patents
Method, terminal and control station for processing network access Download PDFInfo
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- CN102299782A CN102299782A CN2010102205563A CN201010220556A CN102299782A CN 102299782 A CN102299782 A CN 102299782A CN 2010102205563 A CN2010102205563 A CN 2010102205563A CN 201010220556 A CN201010220556 A CN 201010220556A CN 102299782 A CN102299782 A CN 102299782A
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Abstract
The invention discloses a method, terminal and control station for processing network access. The method comprises the following steps: a terminal supporting an HARQ (hybrid automatic repeat request) of uplink management messages and a fragmentation function to randomly is utilized to select a ranging code from a ranging code set designated by a control station, send the ranging code in a range area, and access or re-access a network, wherein the network access or re-access of the terminal includes the transmission of the uplink management messages to the control station by the terminal; after the control station receives the ranging code, resources are distributed to the terminal once again if the control station judges that the receiving of the uplink management messages is failed; and the terminal uses the resources to transmit the uplink management messages once again. According to the method, the terminal and the control station, the effect that the reliability of information interaction is improved in the process of improving the network access or re-accessing is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of network insertion processing method, terminal and control station.
Background technology
In wireless communication system, control station is called down link to the link of end side, and end side is called up link to the link of control station.Wherein, control station comprises base station and relay station etc.Covering performance is important performance index of network design in the wireless communication system, is directly connected to that operator arranges net and user experience effect.From the angle of user experience, the covering performance in the handoff procedure is most important, for initial network inserts, is common data and signaling at last secondly.
Present network insertion mainly comprises following flow process:
1) descending synchronous signal channel of terminal scanning control station carries out synchronously;
2) obtain the transmission parameter (can describe (Uplinkchannel description abbreviates UCD as) message) of base station by up channel;
3) terminal and control station carry out initial ranging;
4) terminal and control station carry out basic capability negotiating;
5) authentication and cipher key interaction;
6) registration;
7) setting up Internet protocol (Internet Protocol abbreviates IP as) connects;
8) settling time parameter;
9) interactive operation parameter;
10) connect.
Wherein, the 2nd) in the step, terminal can obtain the aggregate information of initial ranging sign indicating number and switching (handover abbreviates HO as) ranging code by UCD message.The 3rd) go on foot in the initiating ranging process of definition, control station and terminal can be carried out following operation:
Control station sends ascending resource by broadcasting connection identifier (CID (Connection Identifier abbreviates CID as) and distributes (UL-MAP) to indicate ranging region; Terminal is selected a code word at random in the initial ranging sign indicating number set that obtains from UCD message, send on the ranging opportunity of selecting at random in the ranging region of UL-MAP indication then; Control station sends ranging response (Ranging response abbreviates RNG-RSP as) message and gives terminal, wherein, carries initial ranging sign indicating number code word and ranging opportunity information, time and power adjustment information that terminal sends in this RNG-RSP message; Control station is used for sending distance measurement request (Ranging request by ascending resource assignment information unit (CDMA_Allocation_IE) for terminal distribution, abbreviate RNG-REQ as) ascending resource of message, carried terminal sent simultaneously initial ranging sign indicating number code word and ranging opportunity information; Terminal sends anonymous RNG-REQ message in the ascending resource that CDMA_Allocation_IE distributed, carry medium access control (Media Access Control the abbreviates MAC as) address of terminal in this message; It is basic CID of this terminal distribution and primary management CID that control station sends RNG-RSP message.
After above-mentioned initiating ranging process, enter the 4th) step.Terminal is the 4th) carry out basic capability negotiating with control station in the step, comprising mixing automatic repeat requests (Hybrid Automatic Repeat Request abbreviates HARQ as) capability negotiation.After the HARQ capability negotiation, follow-up interacting message can begin to use HARQ to be operated and improves reliability.
But, in correlation technique, before the HARQ capability negotiation, can not use the HARQ operation, therefore, this moment, the reliability of interacting message then can not get effective assurance.
Summary of the invention
Main purpose of the present invention is to provide a kind of network insertion processing scheme, one of to address the above problem at least at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of network insertion processing method.This method comprises: support the automatic repeat requests of mixing of up administrative messag and the terminal of burst function to select ranging code to send at ranging region at random from the ranging code set of control station appointment, and carry out network insertion or reentry, wherein, terminal is carried out network insertion or reentry comprises that terminal sends up administrative messag to control station; After control station receives ranging code, if judging, control station receives up management message failure, then be the terminal distribution resource again; Terminal uses resource to resend up administrative messag.
Further, control station comprises for the terminal distribution resource again: if up administrative messag is anonymous distance measurement request message, then control station is the terminal distribution resource by sending ascending resource assignment information unit, wherein, carries the information of ranging code in the ascending resource assignment information unit.
Further, control station is that size and the last control station of the resource of terminal distribution is resource big or small identical of terminal distribution, and the information of the ranging code that carries in the ascending resource assignment information unit of the information of the ranging code that carries in the ascending resource assignment information unit that control station sends and last control station transmission is identical.
Further, control station comprises for the terminal distribution resource again: if up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then control station is the terminal distribution resource by sending the automatic repeat requests ascending resource assignment information of mixing unit.
Further, after control station was the terminal distribution resource by the automatic repeat requests ascending resource assignment information of transmission mixing unit, whether the terminal judges resource was enough to send whole non-anonymous distance measurement request message or basic capability negotiating request message; If judged result is that then terminal is not carried out burst to non-anonymous distance measurement request message or basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.
To achieve these goals, according to a further aspect in the invention, a kind of network insertion processing method is provided, this method comprises: when terminal inserts, do not need to send the target control station that ranging code or terminal insert and distributed in advance under the situation of special ranging sign indicating number, the target control station by with terminal under service control station know alternately terminal whether have support up administrative messag mix automatic repeat requests and burst function; Knowing that at the target control station terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, if the up management message failure that receives self terminal is judged at the target control station, then is the terminal distribution resource again; Terminal uses resource to resend up administrative messag.
Further, the target control station comprises for the terminal distribution resource again: if up administrative messag is anonymous distance measurement request message, then the target control station is the terminal distribution resource by sending ascending resource assignment information unit.
Further, the target control station is that size and the last target control station of the resource of terminal distribution are resource big or small identical of terminal distribution.
Further, the target control station comprises for the terminal distribution resource again: if up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then the target control station is the terminal distribution resource by sending the automatic repeat requests ascending resource assignment information of mixing unit.
Further, after the target control station was the terminal distribution resource by the automatic repeat requests ascending resource assignment information of transmission mixing unit, whether the terminal judges resource was enough to send whole non-anonymous distance measurement request message or basic capability negotiating request message; If judged result is that then terminal is not carried out burst to non-anonymous distance measurement request message or basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of terminal, this terminal comprises: select module, be used for selecting ranging code to send at ranging region at random from the ranging code set of control station appointment; Insert or the reentry module, be used to carry out network insertion or reentry, wherein, carry out network insertion or reentry and comprise to control station and send up administrative messag; Sending module is used to use control station to send up administrative messag as the resource of terminal distribution again, wherein, resource be control station judge receive up management message failure after, be the resource of terminal distribution again.
To achieve these goals, according to another aspect of the invention, provide a kind of control station, this control station comprises: first judge module is used to judge that terminal is carried out network insertion or whether the ranging code that uses of reentrying is to specify ranging code; Second judge module, being used in the first judge module judged result is under the situation that is, judges whether the up administrative messag that receives self terminal is successful; First distribution module, being used in the second judge module judged result is under the situation not, is the terminal distribution resource again.
To achieve these goals, according to another aspect of the present invention, a kind of control station is provided, and this control station comprises: interactive module, be used for terminal under service control station know alternately terminal whether have support up administrative messag mix automatic repeat requests and burst function; The 3rd judge module is used for knowing that in interactive module terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, judges the whether success of up administrative messag that receives self terminal; Second distribution module, being used in the 3rd judge module judged result is under the situation not, is the terminal distribution resource again.
By the present invention, adopt terminal when network insertion or reentry, to select predetermined ranging code, and should be scheduled to ranging code and sent to control station, control station is after receiving this predetermined ranging code, if judge the up management message failure that receiving terminal sends, then be the terminal distribution resource again, terminal uses this resource to send the mode of up administrative messag, solved in the correlation technique before the HARQ capability negotiation reliability of interacting message and then can not get the problem that effectively guarantees, and then reached and improve the effect that improves the reliability of interacting message in network insertion or the reentrant procedure.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the network insertion processing method of the embodiment of the invention;
Fig. 2 is the flow chart according to the another kind of method for network access of the embodiment of the invention;
Fig. 3 is the schematic diagram according to the interaction flow of the anonymous RNG-REQ messages application HARQ of the embodiment of the invention;
Fig. 4 is the schematic diagram that correctly receives the interaction flow of this message according to the non-anonymous RNG-REQ messages application HARQ of the embodiment of the invention and burst and control station;
Fig. 5 is the schematic diagram that receives the interaction flow of this message according to the non-anonymous RNG-REQ messages application HARQ of the embodiment of the invention and burst and control station mistake;
Fig. 6 is the schematic diagram according to the SBC-REQ messages application HARQ of the embodiment of the invention and burst and the correct interaction flow that receives of control station;
Fig. 7 is the schematic diagram according to the interaction flow of the SBC-REQ messages application HARQ of the embodiment of the invention and burst and the reception of control station mistake;
Fig. 8 is the structured flowchart according to the terminal of the embodiment of the invention;
Fig. 9 is the concrete structured flowchart according to the terminal of the embodiment of the invention;
Figure 10 is the structured flowchart according to the control station of the embodiment of the invention;
Figure 11 is the concrete structured flowchart according to the control station of the embodiment of the invention; And
Figure 12 is the structured flowchart according to the another kind of control station of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Embodiment one
According to the embodiment of the invention, provide a kind of network insertion processing method.Fig. 1 is the flow chart according to the network insertion processing method of the embodiment of the invention, and as shown in Figure 1, this method comprises:
Step S102, support the automatic repeat requests of mixing of up administrative messag and the terminal of burst function from the ranging code set of control station appointment, to select ranging code to send at random at ranging region, and carry out network insertion or reentry, wherein, this terminal is carried out network insertion or reentry comprises: terminal sends up administrative messag to control station;
Step S104 after control station receives ranging code, receives up management message failure if control station is judged, then is the terminal distribution resource again;
Step S106, terminal uses control station to resend this up administrative messag for the resource of its distribution.
Present embodiment is selected ranging code by terminal in network insertion or when reentrying, and this ranging code sent to control station, control station is after receiving this ranging code, if judge the up management message failure that receiving terminal sends, then be the terminal distribution resource again, terminal uses this resource to send this mode of up administrative messag, has realized before the HARQ capability negotiation, up administrative messag has the HARQ function, thereby has improved the reliability of interacting message.
Preferably, control station comprises for the terminal distribution resource again: if up administrative messag is anonymous distance measurement request message, then control station is the terminal distribution resource by sending ascending resource assignment information unit, wherein, carries the information of this ranging code in the ascending resource assignment information unit.This embodiment has realized the HARQ function of anonymous distance measurement request message, has improved the reliability of anonymous distance measurement request interacting message.
Preferably, control station is that size and the last control station of the resource of terminal distribution is resource big or small identical of terminal distribution, and the information of the ranging code that carries in the ascending resource assignment information unit of the information of the ranging code that carries in the ascending resource assignment information unit that control station sends and last control station transmission is identical.This embodiment realizes simply, and is workable.
Preferably, control station comprises for the terminal distribution resource again: if up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then control station is the terminal distribution resource by sending the automatic repeat requests ascending resource assignment information of mixing unit.Wherein, non-anonymous distance measurement request message is: the distance measurement request message that is not anonymous distance measurement request message.This embodiment has realized the HARQ function of non-anonymous distance measurement request message and basic capability negotiating request message, has improved non-anonymous distance measurement request message and the mutual reliability of basic capability negotiating request message.
Preferably, after control station was the terminal distribution resource by the automatic repeat requests ascending resource assignment information of transmission mixing unit, whether the resource that terminal judges is distributed was enough to send whole non-anonymous distance measurement request message or basic capability negotiating request message; If judged result is that then terminal is not carried out burst to non-anonymous distance measurement request message or basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.Because RNG-REQ message and basic capability negotiating request (Subscriber (SS) Basic Capability Request that terminal sends, abbreviating SBC-REQ as) message is all bigger, its subchannel that takies is more, this can cause the power that can use on each subcarrier lower, reduces the reliability of interacting message.And non-anonymous distance measurement request message or the basic capability negotiating request message of present embodiment by will be bigger carries out burst, reduced sending the subchannel number that these message take, and improved the reliability of interacting message.
Preferably, by after dividing slice, thin piece head indication burst information, terminal sends the sub-head of resource allocation management to control station in terminal, and this resource allocation management head is used to ask to send the upstream bandwidth of next burst.Present embodiment is when sending burst information, and request sends the bandwidth of next burst, has improved efficient.
Preferably, after control station was the terminal distribution resource by the automatic repeat requests ascending resource assignment information of transmission mixing unit, terminal used the automatic repeat requests pattern of mixing of acquiescence that non-anonymous distance measurement request message or described basic capability negotiating request message are mixed automatic repeat requests operation.This embodiment mixes automatic repeat requests operation by the automatic repeat requests pattern of mixing of acquiescence to message, has workable advantage.
Preferably, the automatic repeat requests pattern of the mixing of this acquiescence is that Channel Identifier (ACID) (that is HARQ channel) number is tracking merging (Chase Combining abbreviates CC as) pattern of 1.This embodiment realizes simply, and is workable.
Preferably, control station judges that receiving up management message failure comprises: if control station does not receive up administrative messag or cyclic redundancy check (CRC) verification failure in the given time, then control station is judged up management information failure.In correlation technique, be the up management message failure of terminal judges, and present embodiment judges by control station whether up management information takes defeat, thereby be the terminal distribution resource immediately, reduced the mutual of information.
Embodiment two
According to the embodiment of the invention, another kind of method for network access also is provided, Fig. 2 is the flow chart according to the another kind of method for network access of the embodiment of the invention, as shown in Figure 2, this method comprises:
Step S202, when terminal inserts, do not need to send the target control station that ranging code or terminal insert and distributed in advance under the situation of special ranging sign indicating number, the target control station by with terminal under service control station know alternately terminal whether have support up administrative messag mix automatic repeat requests and burst function; For example, service control station is by backbone network or eat dishes without rice or wine to connect with interactive terminal, destination service station whether have mixing of up administrative messag automatic repeat requests and burst function.
Step S204 knows that at the target control station terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, if the up management message failure that receives self terminal is judged at the target control station, then is the terminal distribution resource again;
Step S206, terminal uses terminal to resend up administrative messag for the resource of its distribution.
Present embodiment has under the situation of the automatic repeat requests of mixing of up administrative messag and burst function by target control station and service control station interactive terminal, if the up management message failure that receiving terminal sends is judged at the target control station, then be the terminal distribution resource again, terminal uses this resource to send this mode of up administrative messag, realized before the HARQ capability negotiation, up administrative messag has the HARQ function, thereby has improved the reliability of interacting message.
Preferably, the target control station comprises for the terminal distribution resource again: if up administrative messag is anonymous distance measurement request message, then the target control station is the terminal distribution resource by sending ascending resource assignment information unit.
Wherein, control station can be by representing to initial ranging sign indicating number and HO ranging code sets classification whether terminal needs to support the HARQ and the burst of up administrative messag in the UCD message.Support the terminal of this function to select the initial ranging code word in the specific collection to carry out network insertion or reentry.Also can come indicating terminal whether to support the HARQ and the burst of up administrative messag between terminal and the control station by other modes.For example, terminal can send HARQ and the burst that cycle ranging code or bandwidth application ranging code are represented the up administrative messag of own support by being chosen in initial ranging or the HO ranging region.
Preferably, the target control station is that size and the last target control station of the resource of terminal distribution are resource big or small identical of terminal distribution.For example, the initial ranging sign indicating number code word that terminal sent and the ranging opportunity information of carrying among the CDMA_Allocation IE is identical with last time.Terminal is uploaded the last RNG-REQ message that sends again after receiving CDMA_Allocation_IE.Control station is receiving twice or repeatedly after the RNG-REQ message, the message that receives is being merged to obtain to merge gain.
Preferably, the target control station comprises for the terminal distribution resource again: if up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then the target control station is the terminal distribution resource by sending the automatic repeat requests ascending resource assignment information of mixing unit.
Preferably, after the target control station was the terminal distribution resource by the automatic repeat requests ascending resource assignment information of transmission mixing unit, whether the terminal judges resource was enough to send whole non-anonymous distance measurement request message or basic capability negotiating request message; If judged result is that then terminal is not carried out burst to non-anonymous distance measurement request message or basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.For example, terminal can be to using basic CID or primarily managing RNG-REQ and the SBC-REQ message that CID sends and carry out burst.
Preferably, whether target control station and service control station support the automatic repeat requests of mixing and the burst function of up administrative messag by one of following carrying terminal: handoff request message, basic capability negotiating contextual tab length value (Tag Length Value abbreviates TLV as), REG context TLV.Handoff request message, basic capability negotiating context TLV, REG context TLV are the information carriers of using always, and this embodiment can adapt to the application of most of occasions.
Preferably, target control station and service control station carry out interacting message by the passage between network entity or the control station.Wherein, network entity comprises IAD etc.This embodiment is simple to operate, and implementation is strong.
Not needing to send target control station that ranging code or terminal insert when preferably, terminal inserts, to have distributed the situation of specifying ranging code to comprise in advance one of following: switching fast, seamless switching, the special-purpose code division multiple access of use insert the switching of code word.This embodiment realizes simply, and is workable.
Embodiment three
The embodiment of the invention needs terminal can support the HARQ and the sharding method of up administrative messag, therefore, with respect to existing terminal, has carried out corresponding improvement according to the terminal of the embodiment of the invention.For the existing terminal of compatibility, need to whether supporting the HARQ of up administrative messag and the terminal of sharding method to distinguish.In embodiments of the present invention, control station is by representing to initial ranging sign indicating number and HO ranging code sets classification whether terminal supports the HARQ and the burst of up administrative messag in the UCD message, if terminal is this function so far, then terminal selects the range finding code word in the predetermined set to carry out network insertion or reentry.
In the present embodiment, use UCD message to gather to come indicating terminal whether to support the HARQ and the burst of up administrative messag by distinguishing ranging code.Table 1 shows the UCD message that OFDM inserts (Orthogonal Frequency Division Multiple Access abbreviates OFDMA as) physical layer PHY, and is as shown in table 1.
Table 1
As shown in Table 1, be 219 if switch the type of range finding code word, the type of initial ranging code word is 220, then terminal is supported ascending HARQ and burst function.
Whether this embodiment can compatible existing terminal, support the HARQ of up administrative messag and sharding method to carry out differentiated treatment to terminal.
Embodiment four
In correlation technique, the transmission of RNG-REQ message and SBC-REQ message is divided into two steps: first step is to send anonymous RNG-REQ message, control station is the basic connection identifier (CID of terminal distribution by RNG-RSP message after receiving anonymous RNG-REQ message; Second step is to use basic connection identifier (CID to send RNG-REQ and SBC-REQ message.Because the resource allocation mechanism of HARQ comes marking terminal with basic connection identifier (CID (basic CID), therefore, the HARQ mechanism of anonymous RNG-REQ message need be carried out corresponding modification.
Fig. 3 is the interaction flow according to the anonymous RNG-REQ messages application HARQ of the embodiment of the invention, illustrates below with reference to Fig. 3 and uses the flow process that ascending HARQ sends anonymous RNG-REQ message, and this flow process comprises:
Step S302, terminal selects in the range finding codeword set to support the range finding code word of up management messages application HARQ and send to control station that wherein, the range finding code word comprises the initial ranging code word and switches the range finding code word.If terminal is an initial network entry, the code word of selection should be supported the initial ranging code word of the RNG-REQ and the SBC-REQ of ascending HARQ for GC group connector; If terminal is a network re-entry in the handoff procedure, the code word of selection should be the switching range finding code word that GC group connector is supported the RNG-REQ and the SBC-REQ of ascending HARQ.
Step S304, the code word that control station sends by terminal is judged the HARQ operation that terminal can be supported follow-up upstream message.The control station feedback states is successful RNG-RSP message.
Step S306, control station is the terminal distribution upstream bandwidth by CDMA_Allocation_IE.
Step S308, the anonymous RNG-REQ message that terminal sends on the bandwidth of distributing do not have controlled station correct receive or timer expired.
It is the terminal distribution upstream bandwidth identical with the amount of bandwidth of last sub-distribution that step S310, control station resend CDMA_Allocation_IE.
Step S312, terminal sends on newly assigned upstream bandwidth and the identical RNG-REQ of RNG-REQ message last time.Control station merges the RNG-REQ message that receives for twice, so that improve the reliability of decoding and reduce the wrong time delay that causes.
Step S314, control station sends RNG-RSP message to terminal, and wherein, this RNG-RSP message carries the basic CID and the primary management CID of terminal.
Terminal is when sending anonymous RNG-REQ message, control station can't utilize the feedback mechanism of HARQ that it is fed back, therefore, if, will appearring by burst in this message, terminal can't judge that after receiving CDMA_Allocation_IE it still is that needs send next burst that needs retransmit.Therefore, advise that anonymous RNG-REQ message do not do burst, and RNG-REQ and the SBC-REQ message of having only the basic CID of follow-up use to send just can be supported burst.
Embodiment five
Fig. 4 is the interaction flow that correctly receives this message according to the non-anonymous RNG-REQ messages application HARQ of the embodiment of the invention and burst and control station, below with reference to Fig. 4 this flow process is specifically described:
Step S402, control station use the basic CID of terminal to be the terminal distribution upstream bandwidth by mixing automatic repeat requests ascending resource assignment information unit (HARQ UL-MAP IE).
Step S404, if the upstream bandwidth that is distributed is not enough to send complete RNG-REQ message, then terminal is carried out burst to RNG-REQ message, and uses basic CID to send first burst.
Step S406, control station is after correct first burst of reception, and feeding back ACK message is given terminal.
Step S408, control station continue to use the basic CID of terminal to be the terminal distribution upstream bandwidth by HARQUL-MAP IE.
Step S410, terminal uses basic CID to send second burst.
Step S412 after control station correctly receives all bursts, integrates the complete RNG-REQ message of acquisition to all fragmental messages, returns RNG-RSP message to terminal then.
This embodiment has realized the HARQ function of non-anonymous distance measurement request message, has improved the reliability of non-anonymous distance measurement request interacting message.
Embodiment six
Fig. 5 is the interaction flow that receives this message according to the non-anonymous RNG-REQ messages application HARQ of the embodiment of the invention and burst and control station mistake, in this flow process, control station does not have correct all RNG-REQ message bursts that receives, and below with reference to Fig. 5 this flow process is described.
Step S502, control station use the basic CID of terminal to be the terminal distribution upstream bandwidth by HARQ UL-MAP IE.
Step S504, if the upstream bandwidth that is distributed is not enough to send complete RNG-REQ message, then terminal is carried out burst to RNG-REQ message, and uses basic CID to send first burst.But, incorrect this message burst that receives of control station.
Step S506, the control station feedback NACK give terminal.
Step S508, control station continue to be used for terminal by HARQ UL-MAP IE and retransmit this message burst.
Step S510, terminal retransmits first burst of the RNG-REQ message of using basic CID.
Step S512, after control station correctly received all bursts, control station was integrated message, obtained complete RNG-REQ message, then to terminal feedback RNG-RSP message.
This embodiment has realized the HARQ function of non-anonymous distance measurement request message, improved the reliability of non-anonymous distance measurement request interacting message, simultaneously, this embodiment carries out burst to bigger non-anonymous distance measurement request message to be handled, and under the situation that receives the burst failure, resend fragmental messages, improved the reliability of non-anonymous distance measurement request interacting message.
Embodiment seven
Fig. 6 is the schematic diagram according to the SBC-REQ messages application HARQ of the embodiment of the invention and burst and the correct interaction flow that receives of control station.In the flow process shown in this figure, control station has correctly received all SBC-REQ message bursts.Below in conjunction with Fig. 6 this flow process is elaborated.
Step S602, control station use the basic CID of terminal to be the terminal distribution upstream bandwidth by HARQ UL-MAP IE.
Step S604, if the upstream bandwidth that is distributed is not enough to send complete SBC-REQ message, then terminal is carried out burst to this SBC-REQ message, and uses basic CID to send first burst.
Step S606, control station is after correct first burst of reception, and feeding back ACK message is given terminal.
Step S608, control station continue to use HARQ UL-MAP IE to be the terminal distribution upstream bandwidth.
Step S610, terminal sends second burst of the SBC-REQ message of using basic CID.
Step S612, control station is integrated message after correctly receiving all bursts, obtains complete SBC-REQ message, responds SBC-RSP message then.
This embodiment has realized the HARQ function of SBC-REQ, has improved the mutual reliability of SBC-REQ.
Embodiment eight
Fig. 7 is the schematic diagram according to the interaction flow of the SBC-REQ messages application HARQ of the embodiment of the invention and burst and the reception of control station mistake.In the flow process that this illustrates, control station does not have correct all SBC-REQ message bursts that receives.Below in conjunction with accompanying drawing this flow process is elaborated.
Step S702, control station use the basic CID of terminal to be the terminal distribution upstream bandwidth by HARQ UL-MAP IE.
Step S704, if the upstream bandwidth that is distributed is not enough to send complete SBC-REQ message, then terminal is carried out burst to SBC-REQ message, and uses basic CID to send first burst.Incorrect this message burst that receives of control station.
Step S706, the control station feedback NACK give terminal.
Step S708, control station continue to be used for terminal by HARQ UL-MAP IE and retransmit this message burst.
Step S710, terminal retransmits first burst of the SBC-REQ message of using basic CID.
Step S712, control station is integrated message after all bursts of correct reception, obtains complete SBC-REQ message, responds SBC-RSP message then.
This embodiment has realized the HARQ function of SBC-REQ, has improved the mutual reliability of SBC-REQ, simultaneously, this embodiment carries out burst to bigger SBC-REQ to be handled, and under the situation that receives the burst failure, resend fragmental messages, improved the mutual reliability of SBC-REQ.
Embodiment nine
Illustrated in the switching flow of switching fast, seamless switching and use dedicated pilot at present embodiment, whether support RNG-REQ and SBC-REQ to use the ability of HARQ by different message or TLV interactive terminal between service control station and the target control station, that is, whether support RNG-REQ and SBC-REQ to use the carrier of the ability of HARQ as the carrying terminal with different message or TLV.Whether table 2 shows by SBC load-bearing context terminal supports RNG-REQ and SBC-REQ to use the ability of HARQ, whether table 3 shows by registration (REG) load-bearing context terminal supports RNG-REQ and SBC-REQ to use the ability of HARQ, and whether table 4 shows by HO_Req message bearing terminal supports RNG-REQ and SBC-REQ to use the ability of HARQ.
Table 2
Table 3
Table 4
Because handoff request message, basic capability negotiating context TLV, REG context TLV are the information carriers of using always, this embodiment can adapt to the application of most of occasions.
Corresponding to said method embodiment, the present invention also provides a kind of terminal.Fig. 8 is the structured flowchart according to the terminal of the embodiment of the invention, and as shown in Figure 8, this terminal comprises: select module 82, be used for selecting ranging code to send at ranging region at random from the ranging code set of control station appointment; Insert or reentry module 84, be coupled to and select module 82, be used to carry out network insertion or reentry, wherein, carry out network insertion or reentry and comprise to control station and send up administrative messag; Sending module 86 is used to use control station to send up administrative messag as the resource of terminal distribution again, and wherein, this resource is after control station is judged the up management message failure of reception, is the resource of terminal distribution again.
Fig. 9 is the concrete structured flowchart according to the terminal of the embodiment of the invention, preferably, this terminal also comprises: judge module 92 is used to judge control station is whether the resource of its distribution is enough to send whole non-anonymous distance measurement request message or basic capability negotiating request message; Burst module 94 is coupled to judge module 92, and the judged result that is used at judge module 92 is under the situation not, and non-anonymous distance measurement request message or basic capability negotiating request message are carried out burst, and by dividing slice, thin piece head indication fragmental messages.
Preferably, by after dividing slice, thin piece head indication fragmental messages, sending module 86 also is used for sending fragmental messages to control station, wherein in burst module 94, carry resource allocation in this fragmental messages and control sub-head, resource allocation control head is used to ask to send the upstream bandwidth of next burst.
Corresponding to said method embodiment, the present invention also provides a kind of control station.Figure 10 is the structured flowchart according to the control station of the embodiment of the invention, as shown in figure 10, this control station comprises: first judge module 1002, be used to judge that terminal is carried out network insertion or whether the ranging code that uses of reentrying is to specify ranging code, if ranging code is decided in being meant that terminal is used, illustrate that then this terminal can be in automatic repeat requests of mixing and the burst function of supporting up administrative messag; Second judge module 1004 is coupled to first judge module 1002, and the judged result that is used at first judge module 1002 is under the situation that is, judges whether the up administrative messag that receives self terminal is successful; First distribution module 1006 is coupled to second judge module 1004, and the judged result that is used at second judge module 1004 is under the situation not, is the terminal distribution resource again.
Figure 11 is the concrete structured flowchart according to the control station of the embodiment of the invention.Preferably, first distribution module 1006 comprises: first allocation units 1102, being used at up administrative messag is under the situation of anonymous distance measurement request message, by sending ascending resource assignment information unit is the terminal distribution resource, wherein, carry described appointment ranging code in the described ascending resource assignment information unit.
Preferably, first distribution module 1006 comprises: second allocation units 1104, being used at up administrative messag is under the situation of non-anonymous distance measurement request message or basic capability negotiating request message, is the terminal distribution resource by sending the automatic repeat requests ascending resource assignment information of mixing unit.
Preferably, control station does not receive up administrative messag if second judge module 1004 specifically is used in the given time, then judges to receive up management information failure.
Corresponding to said method embodiment, the present invention also provides another kind of control station.Figure 12 is the structured flowchart according to the another kind of control station of the embodiment of the invention, as shown in figure 12, this control station comprises: interactive module 1202, be used for terminal under service control station know alternately terminal whether have support up administrative messag mix automatic repeat requests and burst function; The 3rd judge module 1204 is coupled to interactive module 1202, is used for knowing that in interactive module 1202 terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, judges the whether success of up administrative messag that receives self terminal; Second distribution module 1206 is coupled to the 3rd judge module 1204, and being used in the 3rd judge module 1204 judged results is under the situation not, is the terminal distribution resource again.
It should be noted that second distribution module 1206 is identical with the 26S Proteasome Structure and Function of first distribution module 1006, that is, second distribution module 1206 also can comprise first allocation units 1102 and second allocation units 1104, realizes the function of the two.The 3rd judge module 1204 and second judge module 1004 have identical functions.
In sum, adopt the above embodiment of the present invention, terminal is before carrying out the HARQ negotiation, and up administrative messag can carry out the HARQ operation, has improved the reliability of interacting message.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any predetermined hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and 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 (20)
1. a network insertion processing method is characterized in that, comprising:
Support the automatic repeat requests of mixing of up administrative messag and the terminal of burst function from the ranging code set of control station appointment, to select ranging code to send at random at ranging region, and carry out network insertion or reentry, wherein, described terminal is carried out network insertion or reentry comprises that described terminal sends up administrative messag to described control station;
After described control station receives described ranging code, if judging, described control station receives described up management message failure, then be described terminal distribution resource again; Described terminal uses described resource to resend described up administrative messag.
2. method according to claim 1 is characterized in that, described control station comprises for the described resource of described terminal distribution again:
If described up administrative messag is anonymous distance measurement request message, then described control station is the described resource of described terminal distribution by sending ascending resource assignment information unit, wherein, carries the information of described ranging code in the described ascending resource assignment information unit.
3. method according to claim 2, it is characterized in that, described control station is the big or small identical of size and the last described control station of the described resource of the described terminal distribution resource that is described terminal distribution, and the information of the ranging code that carries in the ascending resource assignment information unit of the information of the described ranging code that carries in the ascending resource assignment information unit that described control station sends and last described control station transmission is identical.
4. method according to claim 1 is characterized in that, described control station comprises for the described resource of described terminal distribution again:
If described up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then described control station is the described resource of described terminal distribution by sending the automatic repeat requests ascending resource assignment information of mixing unit.
5. method according to claim 4 is characterized in that, by sending after the automatic repeat requests ascending resource of described mixing assignment information unit is the described resource of described terminal distribution, described method also comprises at described control station:
Whether the described resource of described terminal judges is enough to send whole described non-anonymous distance measurement request message or described basic capability negotiating request message;
If judged result is that then described terminal is not carried out burst to described non-anonymous distance measurement request message or described basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.
6. method according to claim 5 is characterized in that, by after dividing slice, thin piece head indication burst information, described method also comprises in described terminal:
Described terminal sends the sub-head of resource allocation management to described control station, and described resource allocation management head is used to ask to send the upstream bandwidth of next burst.
7. method according to claim 4 is characterized in that, by sending after the automatic repeat requests ascending resource of described mixing assignment information unit is the described resource of described terminal distribution, described method also comprises at described control station:
Described terminal uses the automatic repeat requests pattern of mixing of acquiescence that described non-anonymous distance measurement request message or described basic capability negotiating request message are mixed automatic repeat requests operation.
8. method according to claim 7 is characterized in that, the automatic repeat requests pattern of the mixing of described acquiescence is 1 tracking merging patterns for the automatic repeat requests channel number of mixing.
9. according to each described method of claim 1 to 8, it is characterized in that described control station judges that receiving described up management message failure comprises:
If described control station does not receive described up administrative messag or cyclic redundancy check (CRC) verification failure at the appointed time, then described control station judges that receiving described up management information fails.
10. a network insertion processing method is characterized in that, comprising:
When terminal inserts, do not need to send the target control station that ranging code or described terminal insert and distributed in advance under the situation of special ranging sign indicating number, described target control station by with described terminal under service control station know alternately described terminal whether have support up administrative messag mix automatic repeat requests and burst function;
Know that at described target control station described terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, if the up management message failure that receives from described terminal is judged at described target control station, then is described terminal distribution resource again;
Described terminal uses described resource to resend described up administrative messag.
11. method according to claim 10 is characterized in that, described target control station comprises for the described resource of described terminal distribution again:
If described up administrative messag is anonymous distance measurement request message, then described target control station is the described resource of described terminal distribution by sending ascending resource assignment information unit.
12. method according to claim 11 is characterized in that, described target control station is that size and the last described target control station of the described resource of described terminal distribution is resource big or small identical of described terminal distribution.
13. method according to claim 10 is characterized in that, described target control station comprises for the described resource of described terminal distribution again:
If described up administrative messag is non-anonymous distance measurement request message or basic capability negotiating request message, then described target control station is the described resource of described terminal distribution by sending the automatic repeat requests ascending resource assignment information of mixing unit.
14. method according to claim 13 is characterized in that, by sending after the automatic repeat requests ascending resource of described mixing assignment information unit is the described resource of described terminal distribution, described method also comprises at described target control station:
Whether the described resource of described terminal judges is enough to send whole described non-anonymous distance measurement request message or described basic capability negotiating request message;
If judged result is that then described terminal is not carried out burst to described non-anonymous distance measurement request message or described basic capability negotiating request message, and by dividing slice, thin piece head indication burst information.
15. method according to claim 10 is characterized in that, whether described target control station and described service control station support the automatic repeat requests of mixing and the burst function of up administrative messag by one of following carrying terminal:
Handoff request message, basic capability negotiating context TLV, registration context TLV.
16. method according to claim 10 is characterized in that, described target control station and described service control station carry out interacting message by the passage between network entity or the control station.
17. method according to claim 10 is characterized in that, described terminal does not need to send target control station that ranging code or described terminal insert when inserting to have distributed the situation of specifying ranging code to comprise in advance one of following:
Switching fast, seamless switching, the special-purpose code division multiple access of use insert the switching of code word.
18. a terminal is characterized in that, comprising:
Select module, be used for selecting ranging code to send at random at ranging region from the ranging code set of control station appointment;
Insert or the reentry module, be used to carry out network insertion or reentry, wherein, carry out network insertion or reentry and comprise to described control station and send up administrative messag;
Sending module is used to use described control station again for the resource of described terminal distribution sends described up administrative messag, wherein, described resource be described control station judge receive described up management message failure after, be the resource of described terminal distribution again.
19. a control station is characterized in that, comprising:
First judge module is used to judge that terminal is carried out network insertion or whether the ranging code that uses of reentrying is to specify ranging code;
Second judge module, being used in the described first judge module judged result is under the situation that is, judges whether the up administrative messag that receives from described terminal is successful;
First distribution module, being used in the described second judge module judged result is under the situation not, is described terminal distribution resource again.
20. a control station is characterized in that, comprising:
Interactive module, be used for terminal under service control station know alternately described terminal whether have support up administrative messag mix automatic repeat requests and burst function;
The 3rd judge module is used for knowing that in described interactive module described terminal has under the situation of the automatic repeat requests of mixing of supporting up administrative messag and burst function, judges to receive from the whether success of the up administrative messag of described terminal;
Second distribution module, being used in described the 3rd judge module judged result is under the situation not, is described terminal distribution resource again.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1870818A (en) * | 2005-05-24 | 2006-11-29 | 北京三星通信技术研究有限公司 | Method for quickly switchover using appointed range finding code |
| US20070202882A1 (en) * | 2006-02-07 | 2007-08-30 | Samsung Electronics Co., Ltd. | Method and system for ranging in communication system |
| CN101400144A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Method, system and device for initial ranging |
| US20090298504A1 (en) * | 2006-07-15 | 2009-12-03 | Jin Lee | Method for acquiring information for media independent handover |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870818A (en) * | 2005-05-24 | 2006-11-29 | 北京三星通信技术研究有限公司 | Method for quickly switchover using appointed range finding code |
| US20070202882A1 (en) * | 2006-02-07 | 2007-08-30 | Samsung Electronics Co., Ltd. | Method and system for ranging in communication system |
| US20090298504A1 (en) * | 2006-07-15 | 2009-12-03 | Jin Lee | Method for acquiring information for media independent handover |
| CN101400144A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Method, system and device for initial ranging |
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