CN103220716A - Up wireless common resource reconfiguration method and device - Google Patents
Up wireless common resource reconfiguration method and device Download PDFInfo
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- CN103220716A CN103220716A CN2012100162596A CN201210016259A CN103220716A CN 103220716 A CN103220716 A CN 103220716A CN 2012100162596 A CN2012100162596 A CN 2012100162596A CN 201210016259 A CN201210016259 A CN 201210016259A CN 103220716 A CN103220716 A CN 103220716A
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Abstract
The invention discloses an up wireless common resource reconfiguration method and device. The method includes the steps: a terminal receives a fallback command from a base station, wherein the fallback command is used for instructing the terminal to roll back to use a physical random access channel (PRACH) resource from using a common enhanced dedicated channel (E-DCH) resource; the terminal ensures that the time difference between time when the fallback command is received and the last time when the fallback command is received is smaller than a preset fallback command cycle threshold; and the terminal sends out fallback excessive instruction information to a radio network controller (RNC), wherein the fallback excessive instruction information is used for instructing the RNC to reconfigure an up wireless common resource for the terminal. According to the up wireless common resource reconfiguration method and device, instability of client up data in the transmission process can be avoided, and client experience is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of up-link wireless public resource method for reconfiguration and device.
Background technology
At Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, abbreviate WCDMA as) in the network, universal land radio access web (Universal Terrestrial Radio Access Network, abbreviate UTRAN as) comprise radio network controller (Radio Network Controller, abbreviate RNC as) and base station (NodeB, abbreviation NB) two kinds of basic network elements are called for short the WCDMA network.Insert in (High Speed Packet Access abbreviates HSPA+ as) network in the long-term evolving network high-speed packet based on the WCDMA network, many new functions and characteristic are along with redaction from one generation to the next is added into wherein gradually.Receive link packet as high-speed downstream and insert (High Speed Downlink Packet Access, abbreviate HSDPA as), high speed uplink sends link packet and inserts (High Speed Uplink Packet Access, abbreviate HSUPA as), many antennas multiple-input and multiple-output (Multiple Input Multiple Output, abbreviate MIMO as) technology, the multi carrier wave high-speed downlink grouping inserts (Multi Carrier-High speed downlink packet access abbreviates MC-HSDPA as), and the RRC status (RRC state radio resource control) administrative mechanism and the ability that constantly strengthen.The intrasystem new functional characteristic of these HSPA+, the terminal (UE) that makes that has can be used wireless specific resource more efficiently at proprietary attitude Cell_DCH, improves thereby terminal up-downgoing data transmission rate constantly obtains multiplication; The terminal that makes that has can be used wireless public resource more efficiently at public attitude Cell_FACH, thereby terminal up-downgoing data transmission rate and transmission delay also can obtain performance improvement.
Before HSPA+ version 8, terminal only possesses very weak transmitting uplink data ability in the Cell_FACH attitude.Network is by the limited Physical Random Access Channel resource (PRACH resource) of configuration in each Serving cell, make terminal after each successful random access procedure, can only be at a Transmission Time Interval (Transmission Time Interval, abbreviate TTI as) the interior transmission of a length data block (Transport Block abbreviates TB as).When this TB end of transmission, regardless of its uplink result, that PRACH resource that will use before terminal all will discharge uses to leave other terminal for.This PRACH of utilization resource carries out the mode of uplink, and relatively being fit to has small amount of data in the up transmission buffer memory of terminal, particularly just enough carrying of TB.Otherwise terminal must experience one or more random access procedure once more, remaining data, by the up network that sends to of one and another TB.
Send performance in order to strengthen terminal at Cell_FACH attitude upstream data, from HSPA+ version 8, part has the terminal that strengthens uplink capacity to possess the so-called ability that strengthens dedicated channel E-DCH of using in the Cell_FACH attitude.Network is by configuration 32 public enhancing dedicated channel resources (Common E-DCH Resource) in each Serving cell, make that terminal can be after each successful random access procedure, a plurality of data block TB of transmission in a plurality of TTI length that are endowed.Behind these TB end of transmissions, terminal will strengthen the Common E-DCH Resource that the resource release command of absolute grant channel E-AGCH or overtime mode of implicit expression time are used before dischargeing based on base station down, use to leave other terminal for.This Common of utilization E-DCH Resource carries out the mode of transmitting uplink data, and relatively being fit to has bigger data volume in the up transmission buffer memory of terminal, particularly must be by a plurality of TB ability data carried by data amounts.
Utilize Common E-DCH Resource why more efficient, mainly contain following several reasons than PRACH resource:
The Common E-DCH Resource that the 1:Cell_FACH attitude is used, inherited most of feature that E-DCHResource uses among the proprietary attitude Cell_DCH, send the fast power authorization control that must receive the base station as the terminal upstream data, can carry out data and retransmit fast according to the quick feedback of base station.And utilize the terminal upstream data transmission of PRACH resource is towards CRNC (Control Radio Network Controller, the control radio network controller), initial transmission power is taked open loop rough estimate mode, whole up process of transmitting is controlled without any closed power, there is not wireless chain control layer (Radio Link Control, RLC) feedback is so in order to guarantee that data send quality, conservatively select less TB usually.
The TTI of 2:Common E-DCH Resource correspondence has two kinds, 2ms and 10ms, and wherein 10ms is applicable to the less situation of the up clean greatest service of terminal rate (Headroom power), with enhancing TB transmission reliability, but the TB transmission delay is bigger; 2ms is applicable to the bigger situation of the up clean greatest service of terminal rate (Headroom power), and the TB transmission delay is less.And the TTI of PRACH resource correspondence also has two kinds, and 10ms and 20ms are obviously poor than the up transmitting efficiency of Common E-DCH Resource generally.
3: because Common E-DCH Resource can be after the random access procedure of a success, continued to use a plurality of TTI time spans by terminal, and PRACH resource must will discharge after a TTI, and obviously random access procedure time consuming cost of institute and meaning do not have by real transfer of data institute balance.
For these reasons, when having possessed, terminal use Common E-DCH Resource ability and network also to dispose under the condition of relevant Common E-DCH Resource resource, terminal is always selected Common E-DCH Resource, and does not consider to use any PRACH resource.Such as terminal the transmitting uplink data demand is arranged, this data volume size cases no matter, its first random access procedure log on always distributes certain Common E-DCH Resource to it.If first random access procedure failure (with other terminal generation signal collisions that inserts at random simultaneously) even or first random access procedure success but when Common E-DCH Resource is obtained in competition, failed (Common E-DCH Resource reality is shared by the terminal that another one also success inserts at random), after terminal must wait for a period of time, reattempting second inserts and Common E-DCH Resource competes and obtains at random, by that analogy, can successfully compete to get access to one's own Common E-DCH Resource up to terminal, could the data uplink in the buffer memory be sent afterwards.Whole process, even the PRACH resource resource free time, terminal does not allow rollback (Fallback) to use PRACH resource.
In order to optimize said process, HSPA+ version 11 is being studied and is being run into Common E-DCH Resource in terminal how rollback uses PRACH resource in congested.Because the base station can be understood the operating position of the current up-link wireless public resource of certain Serving cell in real time, therefore NodeB can pass through physical layer command (such as indicating with AICH channel bearing backspace command), instruct terminal to insert and after Common E-DCH Resource competition obtains failure running at random, should rollback use PRACH resource.The benefit of doing like this is: part will no longer participate in the contention of Common E-DCH Resource resource by the terminal of base station commands rollback at short notice, so Common E-DCH Resource resource congestion situation can obtain relaxing.Usually, terminal is being received the indication of base station backspace command, uses after PRACH resource, just without any need for the order indication, auto-update next time (Upgrade) is got back to Common E-DCH Resource resource, so may begin above-mentioned rollback flow process again.
If terminal is in cycle a period of time, repeatedly receive the backspace command of base station, return back to PRACH resource resource user mode from Common E-DCH Resource resource user mode continually, though this can help network to dissolve the congested situation of up-link wireless public resource, but it is suddenly big or suddenly small that the user can experience the transmitting uplink data time-delay, thereby influence user experience.
Summary of the invention
Thereby frequently use the PRACH resource to cause the suddenly big or suddenly small problem of user uplink data transmission delay and propose the present invention from using common E-DCH resource to return back at terminal, for this reason, main purpose of the present invention is to provide a kind of up-link wireless public resource method for reconfiguration and device, to address the above problem.
According to an aspect of the present invention, provide a kind of up-link wireless public resource method for reconfiguration.
Up-link wireless public resource method for reconfiguration according to the present invention comprises: terminal receives the backspace command from the base station, and wherein backspace command is used for indicating terminal and uses the PRACH resource from using common E-DCH resource to return back to; The time difference of the time that terminal determines to receive backspace command and the last time that receives backspace command is less than predefined backspace command Ct value; Terminal sends the excessive indication information of rollback to RNC, and wherein the excessive indication information of rollback is used to indicate the base station to reconfigure the up-link wireless public resource to terminal.
Preferably,, before RNC sends the excessive indication information of rollback, also comprise in terminal: the terminal judges time difference less than definite number of times of backspace command Ct value whether greater than predefined backspace command frequency threshold value; If judged result is for being, then terminal is carried out the operation that sends the excessive indication information of rollback to RNC, otherwise terminal is carried out from using the E-DCH resource to return back to the operation of using the PRACH resource.
Preferably, whether the definite number of times of terminal judges time difference less than the backspace command Ct value comprises greater than predefined backspace command frequency threshold value: terminal the time difference less than the situation of backspace command Ct value under with the excessive counter of the rollback that sets in advance from adding one, the time difference greater than the situation of backspace command Ct value under with the excessive counter of rollback from subtracting one; Judge that whether the excessive counter of rollback is greater than predefined backspace command frequency threshold value.
Preferably, under the situation of time difference greater than the backspace command Ct value, terminal is carried out from using the E-DCH resource to return back to the operation of using the PRACH resource.
Preferably, terminal sends the excessive indication information of rollback to RNC and comprises: terminal sends the excessive indication information of rollback by cell update message to RNC, and the cause value in the cell update message to be set to the PRACH rollback excessive.
Preferably, terminal comprises to the excessive indication information of RNC transmission rollback: terminal is selected specific preamble signature sequence and is sent the excessive indication information of rollback by the physical layer up channel to RNC.
Preferably, RNC reconfigures the up-link wireless public resource to terminal and comprises: RNC reconfigures the up-link wireless public resource by the cell update acknowledge message to terminal.
According to another aspect of the present invention, provide a kind of up-link wireless public resource to reshuffle device.
Up-link wireless public resource according to the present invention is reshuffled device and can be applied to terminal, and comprise: receiver module, be used to receive the backspace command from the base station, wherein backspace command is used for indicating terminal and uses the PRACH resource from using common E-DCH resource to return back to; Determination module, the time difference of the time that is used to determine to receive backspace command and the last time that receives backspace command is less than predefined backspace command Ct value; Sending module is used for sending the excessive indication information of rollback to RNC, and wherein the excessive indication information of rollback is used to indicate RNC to reconfigure the up-link wireless public resource to terminal.
Preferably, said apparatus also comprises: judge module, be used for the judgement time difference less than definite number of times of backspace command Ct value whether greater than preestablishing the backspace command frequency threshold value; First Executive Module, being used in judged result is to carry out the operation that sends the excessive indication information of rollback to RNC under the situation that is, is to carry out under the situation not from using the E-DCH resource to return back to the operation of using the PRACH resource in judged result.
Preferably, judge module comprises: calculating sub module, be used for the time difference less than the situation of backspace command Ct value under with the excessive counter of the rollback that sets in advance from adding one, the time difference greater than the situation of backspace command Ct value under with the excessive counter of rollback from subtracting one; Judge submodule, be used to judge that whether the excessive counter of rollback is greater than preestablishing the backspace command frequency threshold value.
Preferably, said apparatus also comprises: second Executive Module, be used under the situation of time difference greater than the backspace command Ct value, and carry out from using the E-DCH resource to return back to the operation of using the PRACH resource.
The present invention is by setting the backspace command Ct value, thereby can be in terminal frequently from using common E-DCH resource to return back under the situation of using the PRACH resource, indication RNC reconfigures the up-link wireless public resource to terminal, and then avoid the user uplink data transmission delay suddenly big or suddenly small, improve user experience.
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 up-link wireless public resource method for reconfiguration of the embodiment of the invention;
Fig. 2 is the structured flowchart of reshuffling device according to the up-link wireless public resource of the embodiment of the invention;
Fig. 3 is that the up-link wireless public resource is reshuffled the structured flowchart one of device according to the preferred embodiment of the invention;
Fig. 4 is that the up-link wireless public resource is reshuffled the structured flowchart two of device according to the preferred embodiment of the invention;
Fig. 5 is that the up-link wireless public resource is reshuffled the structured flowchart three of device according to the preferred embodiment of the invention.
Embodiment
Describe the present invention below 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.
Up-link wireless public resource method for reconfiguration in following examples can be applied on the server, and this server can be exclusively used in and carry out the processing that the up-link wireless public resource is reshuffled, and can certainly be applied on one group of server.A module that perhaps also can be used as in the server is public with the server of carrying out other functions.
The invention provides a kind of up-link wireless public resource method for reconfiguration.Fig. 1 is the flow chart according to the up-link wireless public resource method for reconfiguration of the embodiment of the invention, as shown in Figure 1, comprises that following step S102 is to step S106.
Step S102, terminal receives the backspace command from the base station, and wherein backspace command is used for indicating terminal and uses the PRACH resource from using common E-DCH resource to return back to.
Step S104, the time difference of the time that terminal determines to receive backspace command and the last time that receives backspace command is less than predefined backspace command Ct value.
Step S106, terminal sends the excessive indication information of rollback to RNC, and wherein the excessive indication information of rollback is used to indicate RNC to reconfigure the up-link wireless public resource to terminal.
In the correlation technique, terminal is frequently used the PRACH resource from using common E-DCH resource to return back to, thereby causes the user uplink data transmission delay suddenly big or suddenly small.In the embodiment of the invention, by setting the backspace command Ct value, thereby can be in terminal frequently from using common E-DCH resource to return back under the situation of using the PRACH resource, indication RNC reconfigures the up-link wireless public resource to terminal, and then avoid the user uplink data transmission delay suddenly big or suddenly small, improve user experience.Simultaneously, under the situation of time difference greater than the backspace command Ct value, terminal is carried out from use E-DCH resource and is return back to the operation of using the PRACH resource, thereby can help to dissolve the congested situation of up-link wireless public resource.
Need to prove that the above-mentioned time difference can be carried out timing by the excessive timer of rollback.When using the excessive timer of this rollback, can first zero clearing, and the backspace command when terminal receives RNC is all restarted the excessive timer of this rollback.
Further, for whether more accurate statistics terminal uses the PRACH resource from using common E-DCH resource to return back to continually, terminal can also the judgement time difference less than definite number of times of backspace command Ct value whether greater than preestablishing the backspace command frequency threshold value, if then carry out the operation that sends the excessive indication information of rollback to RNC, otherwise carry out from using the E-DCH resource to return back to the operation of using the PRACH resource.Like this, can further avoid the user uplink data transmission delay suddenly big or suddenly small, improve user experience.
Above-mentioned determining step can judge whether the excessive counter of this rollback is realized greater than predefined backspace command frequency threshold value by earlier the excessive counter of the rollback that sets in advance being added one (under the situation of time difference less than the backspace command Ct value) or subtracts one (under the situation of time difference greater than the backspace command Ct value) certainly certainly again.Like this, by adding one or subtract one processing certainly certainly, can simplify computational process.Need to prove that the aforementioned calculation operation is given an example as just a kind of, in the practical application, any calculating operation that can realize above-mentioned simplification computing function all should be included protection scope of the present invention in.
In addition, in order to guarantee easy, the reliable transmission of the excessive indication information of rollback, the present invention can send the excessive indication information of rollback to RNC by cell update message, and the cause value in the cell update message to be set to the PRACH rollback excessive; Perhaps select specific preamble signature sequence and send the excessive indication information of rollback via the base station to RNC by the physical layer up channel by terminal, in order to guarantee that the up-link wireless public resource is easy, to reconfigure reliably, the base station can reconfigure the up-link wireless public resource to terminal by the cell update acknowledge message.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Preferred embodiment one
In this preferred embodiment one, base station and terminal all possess the ability of using Common E-DCH Resource and implementing to carry out content of the present invention.Terminal is in the edge of sub-district A and is in public connected state Cell_FACH, carries out the webpage interactive service of small data quantity, and the packet of each up transmission is bigger.Excessive timer of the rollback of terminal and all zero clearings of the excessive counter of rollback.
Step S101, a up-link wireless public resource back-off period thresholding T1=30s and the excessive thresholding N=2 of rollback have been arranged by RRC air protocol and terminal in the base station.
At moment T=0s, terminal receives the PRACH backspace command of base station, so open the excessive timer of rollback immediately.
At moment T=20s, terminal receives the backspace command of base station again, because time interval 20s is less than back-off period thresholding T1, the excessive counter of rollback is from adding one, and the excessive timer of the rollback of resetting simultaneously is 0.
At moment T=60s, terminal receives the backspace command of base station again, because time interval 40s is greater than T1, the excessive counter of rollback is from subtracting one, and the excessive timer of the rollback of resetting simultaneously is 0.
At moment T=80s, terminal receives the backspace command of base station again, because time interval 20s is less than T1, the excessive counter of rollback is from adding one, and the excessive timer of the rollback of resetting simultaneously is 0.
At moment T=105s, terminal receives the backspace command of base station again, because time interval 25s is less than T1, from adding one, the excessive timer of the rollback of resetting simultaneously is 0 to the excessive counter of rollback once more.
Step S102, because at moment T=105s, the excessive counter status value of rollback has equaled N=2, and then terminal reports a new events indication specially by cell update message Cell Update, and Cell update cause value is PRACH fallback overdone.
Step S103, after RNC receives the Cell Update message that contains PRACH fallback overdone cell update reason, by cell update acknowledge message Cell Update Confirm, terminal is moved to proprietary attitude Cell_DCH from public connected state, for terminal is redistributed proprietary ascending wireless resource.
Preferred embodiment two
In this preferred embodiment two, base station and terminal all possess the ability of using Common E-DCH Resource and implementing to carry out content of the present invention.Terminal is in B center, sub-district and is in the Cell_FACH attitude, carries out virtual individual net (Virtual Personal Networks abbreviates VPN as) business, and each uplink data sending bag is all less.Excessive timer of the rollback of terminal and all zero clearings of the excessive counter of rollback.
Step S201, the base station in Serving cell B, disposes back-off period thresholding T1=30s and the excessive thresholding N=2 of rollback by system message.
At moment T=0s, terminal receives the backspace command of base station, opens the excessive timer of rollback.
At moment T=20s, terminal receives the backspace command of base station again, because time interval 20s is less than T1=30s, the excessive counter of rollback is from adding one, and the excessive timer of the rollback of resetting simultaneously is 0.
At moment T=30s, the terminal gravity treatment is to Serving cell C, and then excessive counter of terminal replacement rollback and the excessive timer of rollback are 0.In Serving cell C, because the ascending resource situation is different from Serving cell B, so network by system message, disposes back-off period thresholding T1=20s and the excessive thresholding N=1 of rollback.
At moment T=50s, terminal receives the backspace command of base station again, so open the excessive timer of rollback immediately.
At moment T=65s, terminal receives the backspace command of base station again, because time interval 15s is less than T1=20s, the excessive counter of rollback is from adding one, and the excessive timer of the rollback of resetting simultaneously is 0.
Step S202, because at moment T=65s, the excessive counter status value of rollback equals N=1, then terminal reports a new events indication " PRACH fallback overdone " specially by cell update message Cell Update.
Step S203, after RNC receives the Cell Update message that contains the indication of " PRACH fallback overdone " new events, by cell update acknowledge message Cell Update Confirm, terminal is moved to proprietary attitude Cell_DCH from public connected state, for terminal is redistributed proprietary ascending wireless resource.
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
The embodiment of the invention provides a kind of up-link wireless public resource to reshuffle device, and this up-link wireless public resource is reshuffled device can be applied to terminal, and is used to realize above-mentioned up-link wireless public resource method for reconfiguration.Fig. 2 is the structured flowchart of reshuffling device according to the up-link wireless public resource of the embodiment of the invention, as shown in Figure 2, comprising: receiver module 21, determination module 22 and sending module 23.Below its structure is described in detail.
Receiver module 21 is used to receive the backspace command from the base station, and wherein backspace command is used for indicating terminal and uses the PRACH resource from using common E-DCH resource to return back to; Determination module 22 is connected to receiver module 21, is used for determining that receiver module 21 receives the time difference of the time of backspace command and the time that last receiver module 21 receives backspace command less than predefined backspace command Ct value; Sending module 23, be connected to determination module 22, be used for determining to send the excessive indication information of rollback to RNC under the situation of time difference less than the backspace command Ct value at determination module 22, wherein the excessive indication information of rollback is used to indicate RNC to reconfigure the up-link wireless public resource to terminal.
Fig. 3 is that the up-link wireless public resource is reshuffled the structured flowchart one of device according to the preferred embodiment of the invention, and as shown in Figure 3, said apparatus also comprises the judge module 24 and first Executive Module 25.Below its structure is described in detail.
Judge module 24, be used for the judgement time difference less than definite number of times of backspace command Ct value whether greater than preestablishing the backspace command frequency threshold value; First Executive Module 25, be connected to judge module 24, the judged result that is used at judge module 24 is to carry out the operation that sends the excessive indication information of rollback to RNC under the situation that is, carries out from using the E-DCH resource to return back to the operation of using the PRACH resource under for situation not in the judged result of judge module 24.
Fig. 4 is that the up-link wireless public resource is reshuffled the structured flowchart two of device according to the preferred embodiment of the invention, and as shown in Figure 4, judge module 24 comprises calculating sub module 241 and judges submodule 242.Below its structure is described in detail.
Calculating sub module 241, be used for the time difference less than the situation of backspace command Ct value under with the excessive counter of the rollback that sets in advance from adding one, the time difference greater than the situation of backspace command Ct value under with the excessive counter of rollback from subtracting one; Judge to be connected to calculating sub module 241 by submodule 242, be used to judge that whether the excessive counter of rollback after calculating sub module 241 is calculated is greater than preestablishing the backspace command frequency threshold value.
Fig. 5 is that the up-link wireless public resource is reshuffled the structured flowchart three of device according to the preferred embodiment of the invention, as shown in Figure 5, said apparatus also comprises: second Executive Module 26, be connected to receiver module 21, be used for time that receiver module 21 receives backspace command with on once receiver module 21 receive under the situation of time difference of time of backspace command greater than predefined backspace command Ct value, carry out from using the E-DCH resource to return back to the operation of using the PRACH resource.
Need to prove that the up-link wireless public resource of describing among the device embodiment is reshuffled device corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, do not repeat them here.
In sum, according to the abovementioned embodiments of the present invention, a kind of up-link wireless public resource method for reconfiguration and device are provided.The present invention is by setting the backspace command Ct value, thereby can be in terminal frequently from using common E-DCH resource to return back under the situation of using the PRACH resource, indication RNC reconfigures the up-link wireless public resource to terminal, and then avoid the user uplink data transmission delay suddenly big or suddenly small, improve user experience.
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, 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 specific 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 (10)
1. up-link wireless public resource method for reconfiguration is characterized in that comprising:
Terminal receives the backspace command from the base station, and wherein said backspace command is used to indicate described terminal to use Physical Random Access Channel PRACH resource from using common enhancing dedicated channel E-DCH resource to return back to;
The time difference of the time that described terminal determines to receive described backspace command and the last time that receives described backspace command is less than predefined backspace command Ct value;
Described terminal sends the excessive indication information of rollback to radio network controller (RNC), and the excessive indication information of wherein said rollback is used to indicate described RNC to reconfigure the up-link wireless public resource for described terminal.
2. method according to claim 1 is characterized in that,, also comprises before described RNC sends the excessive indication information of rollback in described terminal:
The described time difference of described terminal judges less than definite number of times of described backspace command Ct value whether greater than predefined backspace command frequency threshold value;
If judged result is for being, then described terminal is carried out the operation that sends the excessive indication information of described rollback to described RNC, otherwise described terminal is carried out from using the E-DCH resource to return back to the operation of using the PRACH resource.
3. method according to claim 2 is characterized in that, whether the definite number of times of described time difference of described terminal judges less than described backspace command Ct value comprises greater than predefined backspace command frequency threshold value:
Described terminal the described time difference less than the situation of described backspace command Ct value under with the excessive counter of the rollback that sets in advance from adding one, the described time difference greater than the situation of described backspace command Ct value under with the excessive counter of described rollback from subtracting one;
Judge that whether the excessive counter of described rollback is greater than predefined backspace command frequency threshold value.
4. according to each described method in the claim 1 to 3, it is characterized in that under the situation of described time difference greater than described backspace command Ct value, described terminal is carried out from using the E-DCH resource to return back to the operation of using the PRACH resource.
5. according to each described method in the claim 1 to 3, it is characterized in that, described terminal sends the excessive indication information of rollback to described RNC and comprises: described terminal sends the excessive indication information of described rollback by cell update message to described RNC, and the cause value in the described cell update message to be set to the PRACH rollback excessive.
6. according to each described method in the claim 1 to 3, it is characterized in that described terminal sends the excessive indication information of rollback to described RNC and comprises: described terminal is selected specific preamble signature sequence and is sent the excessive indication information of described rollback by the physical layer up channel to described RNC.
7. according to each described method in the claim 1 to 3, it is characterized in that described RNC reconfigures the up-link wireless public resource to described terminal and comprises: described RNC reconfigures the up-link wireless public resource for described terminal by the cell update acknowledge message.
8. a up-link wireless public resource is reshuffled device, is applied to terminal, it is characterized in that comprising:
Receiver module is used to receive the backspace command from the base station, and wherein said backspace command is used to indicate described terminal to use Physical Random Access Channel PRACH resource from using common enhancing dedicated channel E-DCH resource to return back to;
Determination module, the time difference of the time that is used to determine to receive described backspace command and the last time that receives described backspace command is less than predefined backspace command Ct value;
Sending module is used for sending the excessive indication information of rollback to radio network controller (RNC), and the excessive indication information of wherein said rollback is used to indicate described RNC to reconfigure the up-link wireless public resource for described terminal.
9. device according to claim 8 is characterized in that, also comprises:
Judge module, be used to judge the described time difference less than definite number of times of described backspace command Ct value whether greater than preestablishing the backspace command frequency threshold value;
First Executive Module, being used in judged result is to carry out the operation that sends the excessive indication information of described rollback to described RNC under the situation that is, is to carry out under the situation not from using the E-DCH resource to return back to the operation of using the PRACH resource in judged result.
10. device according to claim 9 is characterized in that, described judge module comprises:
Calculating sub module, be used for the described time difference less than the situation of described backspace command Ct value under with the excessive counter of the rollback that sets in advance from adding one, the described time difference greater than the situation of described backspace command Ct value under with the excessive counter of described rollback from subtracting one;
Judge submodule, be used to judge that whether the excessive counter of described rollback is greater than preestablishing the backspace command frequency threshold value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016259.6A CN103220716B (en) | 2012-01-18 | 2012-01-18 | Up-link wireless public resource method for reconfiguration and device |
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