CN102215528B - The transmission of HARQ parameter, acquisition methods and HSDPA system - Google Patents
The transmission of HARQ parameter, acquisition methods and HSDPA system Download PDFInfo
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- CN102215528B CN102215528B CN201010162583.XA CN201010162583A CN102215528B CN 102215528 B CN102215528 B CN 102215528B CN 201010162583 A CN201010162583 A CN 201010162583A CN 102215528 B CN102215528 B CN 102215528B
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Abstract
The present invention discloses a kind of transmission of HARQ parameter, acquisition methods and HSDPA system.Wherein, the transmission method of described HARQ parameter comprises: the Node B in HSDPA system obtains the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRthe index value of integer part bit value, as N
iRinteger part index value; Determine N
iRwith the difference of integer part bit value as N
iRremaining bits value, and search index value corresponding to remaining bits value, as N in the complementing part concordance list preset from Node B
iRcomplementing part index value; Send integer part index value and complementing part index value.By the present invention, the soft channel bit in the virtual incremental redundancy buffer memory of HARQ treatment progress can both be used effectively, and improves UE throughput.
Description
Technical field
The present invention relates to wireless communication technology field, in particular to the transmission of the hybrid automatic repeat request HARQ parameters of descending transmission channel in a kind of high-speed slender body theory (High-SpeedDownlinkPacketAccess, be called for short HSDPA) system, acquisition methods and a kind of HSDPA system.
Background technology
High-speed slender body theory (High-SpeedDownlinkPacketAccess, being called for short HSDPA) technology can improve capability of wireless communication system, the user data rate that remarkable lifting WCDMA is descending, can for Packet data service provides the downlink transmission data rate of 10 MBPSs in the bandwidth of 5 megahertzes.
HSDPA technology passes through the new transmission channel of introducing one, i.e. high speed descending sharing channel (HighSpeedDownlinkSharedChannel is called for short HS-DSCH), to carry the load of HSDPA.
In the HS-DSCH of HSDPA, the re-transmission application of data re-transmission by Node B process, to provide the fastest response speed.Mixed automatic retransfer application (the Hybrid-AutomaticRepeatreQuest that HSDPA uses, being called for short HARQ) mode is: Node B sends a data block, then start to wait for, until receive the feedback of the confirmation/negative acknowledgment of user terminal (UserEquipment is called for short UE).
In order to make full use of the time interval waiting for UE feedback, set a UE and can run multiple independently HARQ treatment progress (HARQprocess), different HARQ treatment progress started in the different transmission intercal time.The HARQ treatment progress number that UE can run at most is generally 8, and in the network of reality, is usually set to 6, while ensureing decoding efficiency, take into account time delay.
The HARQ function of HSDPA technology is made up of twice rate-matched (RateMatching) and a virtual incremental redundancy buffer memory (virtualIncrementalRedundancybuffer is called for short virtualIRbuffer), as shown in Figure 1.Wherein, virtual incremental redundancy buffer memory decides the first time rate-matched of HARQ, affects the transmittability of UE.
In first time rate matching procedure, input bit number is matched the virtual incremental redundancy buffer memory of UE, " available soft channel bit maximum (themaximumnumberofsoftchannelbitsavailable) " in the virtual incremental redundancy buffer memory of each HARQ treatment progress is indicated by high-level signaling." available soft channel bit maximum (themaximumnumberofsoftchannelbitsavailable) " in the virtual incremental redundancy buffer memory of each HARQ treatment progress is designated as N
iRif input bit number is greater than N
iR, then punch, remove unnecessary bit, otherwise do not perform first rate coupling.Second time rate-matched is by the operation of punching or repeat, bit number in the physical channel frame be mapped to the Bit data of each Transmission Time Interval of HS-DSCH exported after first time rate-matched and high speed descending sharing channel (HighSpeedDownlinkSharedChannel is called for short HS-DSCH) matches.All bits that rate-matched exports are evenly distributed to multiple physical channel.
As can be seen here, N
iRit is the key parameter of HARQ.Node B relies on this parameter can carry out appropriate rate-matched in each HARQ treatment progress, encodes.UE relies on this parameter can carry out appropriate decoding in each HARQ treatment progress, obtains correct data block information.For same HARQ treatment progress, Node B and UE must use same N
iRvalue, N
iRunderstanding and the use of value must keep completely the same between Node B and UE, otherwise channel bit position and logic implication all confusion occur.
In HSDPA, because the process retransmitting application has moved on in Node B, so the N of each HARQ treatment progress
iRdetermined by Node B.In the foundation or reconstitution process of HS-DSCH, Node B passes through node B application part (NodeBApplicationPart is called for short NBAP) high-level signaling the N of each HARQ treatment progress
iRinformation tells radio network controller.Then, radio network controller is by the N of this each HARQ treatment progress
iRinformation tells UE by wireless heterogeneous networks (RadioResourceControl is called for short RRC) high-level signaling.Like this, for same HARQ treatment progress, Node B and UE know this N using and specify
iRvalue.
But, in existing system, realize overcomplicated in order to avoid UE, UE is divided the classification in order to different tenability degree, and the maximum capacity upper limit that the UE defining each classification supports.Such as, for the UE of classification 19, the soft channel bit total value (TotalnumberofsoftchannelbitsinHS-DSCH) of HS-DSCH defining this UE is 518400 bits, and also namely the summation of the available soft channel bit maximum of all HARQ treatment progress of this UE can not exceed the soft channel bit total value of this HS-DSCH.
For the UE of classification 19, its HS-DSCH is soft, and channel bit total value (TotalnumberofsoftchannelbitsinHS-DSCH) is 518400 bits, the simplest soft channel bit method of salary distribution is used to calculate, with 6 HARQ treatment progress, each HARQ treatment progress uses equivalent soft channel bit.So, the N of each HARQ treatment progress
iRequal 518400 bits divided by 6 (namely dividing equally 6 parts), obtain 86400 bits.
Node B passes through NBAP high-level signaling by the " N of each HARQ treatment progress
iRequaling 86400 bits " this information tells radio network controller.Then, this information is told UE by RRC high-level signaling by radio network controller.In NBAP high-level signaling and RRC high-level signaling, define " the N of each HARQ treatment progress of transmission
iR" value possibility, be merely able to get 80000 bits or 88000 bits, and the accurate bit information of 86400 bits cannot be transmitted.
In this case, Node B cannot promote N
iRbe 88000 bits, otherwise more than the total bit number of soft channel of UE, UE cannot process.So Node B is merely able to rollback N
iRbe 80000 bits, like this, the total bit number of soft channel of UE can not be fully utilized, and is merely able at most to use 80000 bits and is multiplied by 6 i.e. 480000 bits, also namely only employ 92.6% of the soft channel bit total value of HS-DSCH, thus have impact on HAQR Parameter N
iRtotally tansitive and acquisition, and then reduce the throughput of UE.
Summary of the invention
Main purpose of the present invention is to provide a kind of transmission of HARQ parameter, acquisition methods and a kind of HSDPA system, can not be fully utilized at least to solve the total bit number of the soft channel of above-mentioned UE, the problem that UE throughput is low.
According to an aspect of the present invention, provide a kind of transmission method of HARQ parameter, comprising: the Node B in HSDPA system obtains the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of described HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRinteger part index value; Determine the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, and search index value corresponding to remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the complementing part concordance list preset from Node B
iRcomplementing part index value; Send integer part index value and complementing part index value.
According to a further aspect in the invention, provide a kind of acquisition methods of HARQ parameter, comprising: UE receives the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress that the Node B in HSDPA system sends via radio network controller
iRinteger part index value and complementing part index value; Search the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to integer part index value
iRinteger part bit value; The remaining bits value that complementing part index value is corresponding is searched from the complementing part concordance list that UE presets; Arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
According to a further aspect in the invention, provide the Node B in a kind of high-speed downlink packet access HSDPA system, comprising: integer index acquisition module, for obtaining the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value; Remainder index acquisition module, for determining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, and search index value corresponding to remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the complementing part concordance list preset from Node B
iRcomplementing part index value; Sending module, for sending integer part index value and complementing part index value.
According to a further aspect in the invention, provide the user equipment (UE) in a kind of high-speed downlink packet access HSDPA system, comprising: receiver module, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent via radio network controller for receiving node B
iRinteger part index value and complementing part index value; Integer bit number acquisition module, for searching the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to integer part index value
iRinteger part bit value; Remainder bit number acquisition module, searches remaining bits value corresponding to complementing part index value in the complementing part concordance list preset from UE; Channel arranges module, for arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
According to a further aspect in the invention, provide the radio network controller in a kind of high-speed downlink packet access HSDPA system, comprise: signaling receiver module, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent by NBAP high-level signaling for receiving node B
iRinteger part index value and complementing part index value; Index acquisition module, for obtaining integer part index value and complementing part index value; Signaling sending module, for sending integer part index value and complementing part index value to UE by RRC high-level signaling.
According to a further aspect in the invention, provide a kind of high-speed downlink packet access HSDPA system, comprising: above-mentioned Node B, UE and radio network controller.
The present invention is by being converted to integer part index value and complementing part index value by the available soft channel bit maximum in the virtual incremental redundancy buffer memory of mixed automatic retransfer application HARQ treatment progress, soft channel bit in the virtual incremental redundancy buffer memory of HARQ treatment progress can both be used effectively, solve prior art because of the N to each HARQ treatment progress
iRthe total bit number of the soft channel of UE that value is carried out limiting and caused can not be fully utilized, the problem that UE throughput is low.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the functional schematic of the HARQ according to correlation technique;
Fig. 2 a is the flow chart of steps of the transmission method of a kind of HARQ parameter according to the embodiment of the present invention one;
Fig. 2 b is a kind of flow chart of steps obtaining the method for the HARQ parameter that Fig. 2 a illustrated embodiment is transmitted;
Fig. 3 is a kind of transmission of HARQ parameter according to the embodiment of the present invention two and the flow chart of steps of acquisition methods;
Fig. 4 is a kind of transmission of HARQ parameter according to the embodiment of the present invention three and the flow chart of steps of acquisition methods;
Fig. 5 is a kind of transmission of HARQ parameter according to the embodiment of the present invention four and the flow chart of steps of acquisition methods;
Fig. 6 is the flow chart of steps of a kind of HARQ Parameter transfer according to the embodiment of the present invention five and acquisition methods;
Fig. 7 is the structured flowchart according to the Node B in a kind of HSDPA system of the embodiment of the present invention;
Fig. 8 is the structured flowchart according to the Node B in the another kind of HSDPA system of the embodiment of the present invention;
Fig. 9 is the structured flowchart according to the UE in a kind of HSDPA system of the embodiment of the present invention;
Figure 10 is the structured flowchart according to the radio network controller in a kind of HSDPA system of the embodiment of the present invention;
Figure 11 is the structured flowchart of a kind of HSDPA system according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The embodiment of the present invention by arranging complementing part concordance list between Node B and UE, integer part concordance list in this table and original system combines, to obtain respectively and the available soft channel bit maximum N in the virtual incremental redundancy buffer memory of HARQ treatment progress from two tables
iRcorresponding integer part index value and complementing part index value, thus make the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcan accurately transmit between Node B and UE and obtain, can not be fully utilized to solve the total bit number of the soft channel of UE, the problem that UE throughput is low.
The embodiment provides following integer part concordance list and complementing part concordance list:
Table one: integer part concordance list
Upper table is the N of each HARQ treatment progress of default
iRcorresponding index, this table is set in Node B and UE side by original system.
With the N that the total bit number of soft channel is 86400 bits and each HARQ treatment progress
iRequaling 86400 bits is example, the setting original according to system, is 80000 bits or 88000 bits with the immediate value possibility of 86400 bit in this table, value 88000 bit then exceedes the total bit number of this soft channel, UE cannot process, now, and the N of each HARQ treatment progress
iRcan only get 80000 bits, this value is as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part bit value, the index value 42 in corresponding table one.The present invention using this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value, the total bit number of soft channel also remains 6400 bits.
Table two: complementing part concordance list
Upper table is the complementing part concordance list of embodiment of the present invention setting, for the total bit number of soft channel according to the remaining bits value after table one value, using index value corresponding for original this part remaining bits value slatterned as complementing part index value, transmit between Node B and UE and obtain.Also remain 6400 bits, look-up table two for the total bit number of above-mentioned soft channel, obtaining index value corresponding to 6400 bits is 8, and this index value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value.If remaining bits value is not in table, if remaining bits value is 5800 bits, then get the high specific paricular value being less than this bit value, i.e. 5600 bits, manipulative indexing value is 7.
It should be noted that, those skilled in the art, when setting table two, suitably can be arranged according to actual conditions, as increased progressively setting with 400 bits, or use the bit number higher than 800 bits to increase progressively setting, can also non-increasing arrange, the present invention does not restrict this.
Embodiment below the present invention all can adopt table one and table two.
With reference to Fig. 2 a, show the flow chart of steps of the transmission method of a kind of HARQ parameter according to the embodiment of the present invention one, comprising:
Node B in step 202:HSDPA system obtains the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value;
Be 518400 bits with the total bit number of soft channel, i.e. the N of each HARQ treatment progress
iRequaling 86400 bits is example, Node B look-up table one, obtains the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of default
iRthe index value 42 of integer part bit value 80000 bit, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value.
Step 204: Node B determines the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, and from the complementing part concordance list preset, search index value corresponding to remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value;
Node B determines the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, namely the total bit number of soft channel also remains 6400 bits.Node B look-up table two, obtaining index value corresponding to this remaining bits value is 8, using this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value.
Step 206: Node B sends integer part index value and complementing part index value.
Integer part index value 42 and complementing part index value 8 are sent radio network controller by Node B, and send to UE by radio network controller, arrange the N in the virtual incremental redundancy buffer memory of HARQ treatment progress for UE
iR.
By the present embodiment, by the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRbe converted to integer part index value and complementing part index value, the remaining bits capacity that soft channel in prior art is wasted also can be used effectively, and solves prior art because of the N to each HARQ treatment progress
iRthe total bit number of the soft channel of UE that value is carried out limiting and caused can not be fully utilized, the problem that UE throughput reduces.
Fig. 2 b shows the flow chart of steps of the method for the HARQ parameter that a kind of Fig. 2 of acquisition a illustrated embodiment is transmitted, and comprises the following steps:
Step 208: user equipment (UE) receives the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress that the Node B in HSDPA system sends via radio network controller
iRinteger part index value and complementing part index value;
Such as, the integer part index value 42 that sends via radio network controller via radio network controller of UE receiving node B and complementing part index value 8.
Step 210:UE search in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to integer part index value can N
iRinteger part bit value;
As, the integer part bit value that UE searches integer part index value 42 correspondence from table one is 80000 bits.
Step 212:UE searches remaining bits value corresponding to complementing part index value from the complementing part concordance list preset;
As, the remaining bits value that UE searches complementing part index value 8 correspondence from table two is 6400 bits.
Step 214:UE arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
Be N in the virtual incremental redundancy buffer memory of HARQ treatment progress as, UE arranges 80000 bit+6400 bit=86400 bits
iR.
With reference to Fig. 3, show a kind of transmission of HARQ parameter according to the embodiment of the present invention two and the flow chart of steps of acquisition methods, the present embodiment is with the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
iRbe 87000 bits be example, comprise the following steps:
Step 302: Node B obtains the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR;
In the present embodiment, the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRbe 87000 bits.
Step 304: Node B searches the N be less than or equal in the virtual incremental redundancy buffer memory of HARQ treatment progress from integer part concordance list
iRhigh specific paricular value;
In this step, the high specific paricular value being less than or equal to 87000 bits in Node B look-up table one is 80000 bits.
Step 306: index value corresponding to Node B determination high specific paricular value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRthe index value of integer part bit value;
In this step, Node B using index value 42 corresponding for 80000 bits as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRthe index value of integer part bit value.
Step 308: Node B using the index value of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value;
In this step, Node B using index value 42 as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value.
By step 302-308, Node B is by closest to the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRbit value, correspond to integer part index value, both ensure that the accuracy of integer part index value, also make remaining bits value remain on rational scope.
Step 310: Node B determines the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value;
In this step, Node B determines the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR87000 is 7000 bits with the difference of integer part bit value 80000, as remaining bits value.
Step 312: Node B searches the high specific paricular value being less than or equal to described remaining bits value from complementing part concordance list;
In this step, it is 6400 bits that Node B searches the high specific paricular value being less than or equal to 7000 bits from table two.
Step 314: Node B searches index value corresponding to this high specific paricular value;
In this step, it is 8 that Node B searches index value corresponding to 6400 bits.
Step 316: Node B will correspond to the index value of remaining bits value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value;
Namely Node B using index value 8 as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value.
By step 310-316, Node B obtains remaining bits value, and obtain from complementing part concordance list and be less than or equal to index value corresponding to the high specific paricular value of this value, while maximally utilising the virtual incremental redundancy buffer memory of HARQ treatment progress, it also avoid the overload problems of the virtual incremental redundancy buffer memory of HARQ treatment progress.
Step 318: integer part index value and described complementing part index value are sent to radio network controller by NBAP high-level signaling by Node B;
In this step, integer part index value 42 and complementing part index value 8 are sent to radio network controller by NBAP high-level signaling by Node B, and this integer part index value and complementing part index value are carried in NBAP high-level signaling.
Step 320: wireless network controller for obtaining integer part index value and complementing part index value, and send to UE by RRC high-level signaling;
Radio network controller sends RRC signaling to UE, carries the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in this signaling
iRcorresponding integer part index value 42 and complementing part index value 8.
HSDPA system, by step 318-320, makes full use of existing system technology, need not do too large change can realize the present invention to system hardware and software, realizes simple, realizes cost low.
Step 322:UE receives integer part index value and complementing part index value;
UE obtains integer part index value 42 and complementing part index value 8 from RRC signaling.
Step 324:UE searches integer part bit value corresponding to integer part index value;
The integer part bit value that UE searches integer part index value 42 correspondence from the table one being arranged at UE is 80000 bits.
Step 326:UE searches remaining bits value corresponding to complementing part index value from the complementing part concordance list preset;
The remaining bits value that UE searches complementing part index value 8 correspondence from the table two being pre-set at UE is 6400 bits.
Step 328:UE arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
UE integer part bit value 80000 bit and remaining bits are worth 6400 bits with 86400 bits as the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
iRvalue.After this, each HARQ treatment progress of Node B and UE uses this N
iRvalue carries out data transmission and re-transmission.
The N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of Node B is known smoothly by step 322-328, UE
iR, and use identical setting to carry out data transmission and re-transmission between the ue and the nodeb.The method utilizes existing system technology to greatest extent, and it is convenient to realize, and need not do too large change, saved and realized cost software and hardware.
With reference to Fig. 4, show a kind of transmission of HARQ parameter according to the embodiment of the present invention three and the flow chart of steps of acquisition methods, the present embodiment setting UE classification is the soft channel bit total value of 19, HS-DSCH is 518400 bits.Use the simplest soft channel bit equalitarian distribution method, namely 6 HARQ treatment progress are used, each HARQ treatment progress uses equivalent soft channel bit, and the available soft channel bit maximum in the virtual incremental redundancy buffer memory of each HARQ treatment progress is 86400 bits.The present embodiment comprises the following steps:
Step 402: Node B obtains the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" 86400 bits, this value is converted to the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value and complementing part index value;
Such as, Node B look-up table one " integer part concordance list ", finding out maximum " the integer bit number " that be less than or equal to 86400 bits is 80000 bits, i.e. integer part bit value, and the integer part index value obtaining this " integer bit number " corresponding is 42.Wherein, maximum " the integer bit number " that be less than or equal to 86400 bits refers to that the difference that 86400 bits deduct these " integer bit number " 80000 bits is minimum.
" the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" bit number that deducts after these selected " integer bit number " 80000 bits of 86400 bits is 6400 bits, i.e. remaining bits value.
Node B look-up table two " complementing part concordance list ", finds out that to be less than or equal to maximum " the remainder bit number " that remaining bits is worth 6400 bits be 6400 bits, obtains the complementing part index value 8 that these " remainder bit number " 6400 bits are corresponding.
Step 404: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by NBAP signaling to radio network controller
iR" corresponding integer part index value 42 and complementing part index value 8;
Step 406: radio network controller receives NBAP signaling, obtains integer part index value 42 and complementing part index value 8, sends to UE by RRC signaling;
Step 408:UE receives the RRC signaling that radio network controller sends, and carries " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in signaling
iR" corresponding integer part index value 42 and complementing part index value 8, UE obtain integer part index value 42 and complementing part index value 8 from RRC signaling;
Step 410:UE is by integer part index value 42 look-up table one, " integer bit number " the i.e. integer part bit value obtaining this integer part index value corresponding is 80000 bits, and " remainder bit number " the i.e. remaining bits value that UE obtains complementing part index value 8 correspondence by complementing part index value 8 look-up table two is 6400 bits;
Step 412:UE by " integer bit number " 80000 bits and " remainder bit number " 6400 bit be added, arrange " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" be sum of the two 86400 bit.
With reference to Fig. 5, show a kind of transmission of HARQ parameter according to the embodiment of the present invention four and the flow chart of steps of acquisition methods, the present embodiment setting UE is the soft channel bit total value of classification 26, HS-DSCH is 691200 bits.Use the simplest soft channel bit method of salary distribution, the mode of namely dividing equally: use 6 HARQ treatment progress, each HARQ treatment progress uses equivalent soft channel bit, the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
iRbe 115200 bits.
Step 502: Node B obtains the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" 115200 bits, this value is converted to the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value and complementing part index value;
Such as, Node B look-up table one, finds out integer part bit value, and maximum " the integer bit number " that be namely less than or equal to 115200 bits is 112000 bits, and the integer part index value obtaining this " integer bit number " corresponding is 46.
" the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" bit number that deducts after these selected " integer bit number " 112000 bits of 115200 bits is 3200 bits, i.e. remaining bits value.
Node B look-up table two, finds out that to be less than or equal to maximum " the remainder bit number " that remaining bits is worth 3200 bits be 3200 bits, obtains the complementing part index value 4 that these " remainder bit number " 3200 bits are corresponding.
Step 504: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by NBAP signaling to radio network controller
iR" corresponding integer part index value 46 and complementing part index value 4;
Step 506: radio network controller receives NBAP signaling, obtains integer part index value 46 and complementing part index value 4, sends to UE by RRC signaling;
Step 508:UE receives the RRC signaling that radio network controller sends, and carries " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in signaling
iR" corresponding integer part index value 46 and complementing part index value 4, UE obtain integer part index value 46 and complementing part index value 4 from RRC signaling;
Step 510:UE is by integer part index value 46 look-up table one, " the integer bit number " that obtain integer part index value corresponding is 112000 bits, and " remainder bit number " that UE obtains complementing part index value 4 correspondence by complementing part index value 4 look-up table two is 3200 bits;
Step 512:UE by " integer bit number " 112000 bits and " remainder bit number " 3200 bit be added, arrange " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" be sum of the two 115200 bit.
With reference to Fig. 6, show the flow chart of steps of the implementation method of a kind of HARQ function according to the embodiment of the present invention five, the present embodiment setting UE is the soft channel bit total value of classification 6, HS-DSCH is 67200 bits.Use the simplest soft channel bit method of salary distribution, the mode of namely dividing equally: use 6 HARQ treatment progress, each HARQ treatment progress uses equivalent soft channel bit, the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
iRbe 11200 bits.
Step 602: Node B obtains the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" 11200 bits, this value is converted to the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value and complementing part index value;
Such as, Node B look-up table one, finds out integer part bit value, and maximum " the integer bit number " that be namely less than or equal to 11200 bits is 11200 bits, and the integer part index value obtaining this " integer bit number " corresponding is 14.
" the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" bit number that deducts after these selected " integer bit number " 11200 bits of 11200 bits is 0 bit, i.e. remaining bits value.
Node B look-up table two, finds out that to be less than or equal to maximum " the remainder bit number " that remaining bits is worth 0 bit be 0 bit, obtains the complementing part index value 0 that this " remainder bit number " 0 bit is corresponding.
Step 604: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by NBAP signaling to radio network controller
iR" corresponding integer part index value 14 and complementing part index value 0;
Step 606: radio network controller receives NBAP signaling, obtains integer part index value 14 and complementing part index value 0, sends to UE by RRC signaling;
Step 608:UE receives the RRC signaling that radio network controller sends, and carries " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in signaling
iR" corresponding integer part index value 14 and complementing part index value 0, UE obtain integer part index value 14 and complementing part index value 0 from RRC signaling;
Step 610:UE is by integer part index value 14 look-up table one, " the integer bit number " that obtain integer part index value corresponding is 11200 bits, UE is by complementing part index value 8 look-up table two, and " the remainder bit number " that obtain complementing part index value 0 correspondence is 0 bit;
Step 612:UE by " integer bit number " 11200 bits and " remainder bit number " 0 bit be added, arrange " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" be sum of the two 11200 bit.
With reference to Fig. 7, show the structured flowchart according to the Node B in a kind of HSDPA system of the embodiment of the present invention, comprising:
Integer index acquisition module 702, for obtaining the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value; Remainder index acquisition module 704, for determining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, and from the complementing part concordance list preset, search index value corresponding to described remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value; Sending module 706, for sending integer part index value and described complementing part index value.
Such as, integer index acquisition module 702 obtains the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default by look-up table one
iRthe index value of integer part bit value, using this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value; Remainder index acquisition module 704 determines the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as remaining bits value, and search the index value corresponding to remaining bits value by table two, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value; Above-mentioned integer part index value and complementing part index value send by sending module 706.
With reference to Fig. 8, show the structured flowchart according to the Node B in the another kind of HSDPA system of the embodiment of the present invention, comprising:
Integer index acquisition module 802, for obtaining the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value; Remainder index acquisition module 804, for determining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of integer part bit value as remaining bits value, and from the complementing part concordance list preset, search the index value corresponding to remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value; Sending module 806, for sending integer part index value and described complementing part index value.
Wherein, integer index acquisition module 802 comprises further: total value acquisition module 8022, for obtaining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRvalue; First bit determination module 8024, for searching the N be less than or equal in the virtual incremental redundancy buffer memory of HARQ treatment progress from the integer part concordance list of Node B
iRhigh specific paricular value; First index determination module 8026, for determining that index value corresponding to high specific paricular value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRthe index value of integer part bit value.
Wherein, remainder index acquisition module 804 comprises further: difference determination module 8042, for determining the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value; Second bit determination module 8044, for searching the high specific paricular value being less than or equal to described remaining bits value from the complementing part concordance list of Node B; Second index determination module 8046, for searching index value corresponding to high specific paricular value.
Such as, the total value acquisition module 8022 of integer index acquisition module 802 obtains the available soft channel bit maximum in the virtual incremental redundancy buffer memory of HARQ treatment progress, and from the complementing part concordance list and table one of Node B, finds out the N be less than or equal in the virtual incremental redundancy buffer memory of this HARQ treatment progress by the first bit determination module 8024
iRhigh specific paricular value, determine that index value corresponding to this high specific paricular value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress by the first index determination module 8026
iRthe index value of integer part bit value, using this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRinteger part index value.The poor determination module 8042 of remainder index acquisition module 804 determines the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, from the complementing part concordance list and table two of Node B, the high specific paricular value being less than or equal to described remaining bits value is searched by the second bit determination module 8042, second index determination module 8044 searches index value corresponding to this high specific paricular value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRcomplementing part index value.Above-mentioned integer part index value and complementing part index value send by sending module 806.
With reference to Fig. 9, show the structured flowchart according to the UE in a kind of HSDPA system of the embodiment of the present invention, comprising:
Receiver module 902, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent via radio network controller for receiving node B
iRinteger part index value and complementing part index value; Integer bit number acquisition module 904, for searching the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress corresponding to integer part index value
iRinteger part bit value; Remainder bit number acquisition module 906, searches remaining bits value corresponding to complementing part index value in the complementing part concordance list preset from UE; Channel arranges module 908, for arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iR.
Such as, in UE, be provided with table one and table two, receive the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress that Node B sends via radio network controller at receiver module 902
iRinteger part index value and complementing part index value after, integer bit number acquisition module 904 look-up table one, obtain the integer part bit value that integer part index value is corresponding, remainder bit number acquisition module 906 look-up table two, obtain the remaining bits value that complementing part index value is corresponding, channel arrange module 908 by integer part bit value and remaining bits value and the N that is set in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
With reference to Figure 10, show the structured flowchart according to the radio network controller in a kind of HSDPA system of the embodiment of the present invention, comprising:
Signaling receiver module 1002, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent by NBAP high-level signaling for receiving node B
iRinteger part index value and complementing part index value; Index acquisition module 1004, for obtaining integer part index value and complementing part index value; Signaling sending module 1006, for sending integer part index value and complementing part index value to UE by RRC high-level signaling.
By the radio network controller of the present embodiment, for same HARQ treatment progress, Node B and UE are by " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR" carry out data transmission and re-transmission.
With reference to Figure 11, show according to the structured flowchart in a kind of HSDPA system of the embodiment of the present invention, comprising: Node B 1102, radio network controller 1104 and UE1106.
Wherein, Node B 1102 comprises: integer index acquisition module 11022, for obtaining the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of mixed automatic retransfer application HARQ treatment progress
iRinteger part index value; Remainder index acquisition module 11024, for determining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value, and search index value corresponding to remaining bits value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the complementing part concordance list preset from Node B 1102
iRcomplementing part index value; Sending module 11026, for sending integer part index value and complementing part index value.
Wherein, UE1106 comprises: receiver module 11062, for receiving the integer part index value and complementing part index value that sending module 11026 sends via radio network controller; Integer bit number acquisition module 11064, for searching the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to integer part index value
iRinteger part bit value; Remainder bit number acquisition module 11066, searches remaining bits value corresponding to complementing part index value in the complementing part concordance list preset from UE1106; Channel arranges module 11068, for arrange integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR.
Preferably, the integer index acquisition module 11022 of Node B 1102 can further include: total value acquisition module 110222, for obtaining the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iR; First bit determination module 110224, for searching the N be less than or equal in the virtual incremental redundancy buffer memory of HARQ treatment progress from the integer part concordance list of Node B 1102
iRhigh specific paricular value; First index determination module 110226, for determining that index value corresponding to high specific paricular value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRthe index value of integer part bit value.
Preferably, the remainder index acquisition module 11024 of Node B 1102 can further include: difference determination module 110242, for determining the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremaining bits value; Second bit determination module 110244, for searching the high specific paricular value being less than or equal to remaining bits value from the complementing part concordance list of Node B 1102; Second index determination module 110246, for searching index value corresponding to this high specific paricular value.
Preferably, radio network controller 1104 can comprise: signaling receiver module 11042, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent by NBAP high-level signaling for receiving node B1102
iRinteger part index value and complementing part index value; Index acquisition module 11044, for obtaining integer part index value and complementing part index value; Signaling sending module 11046, for sending integer part index value and complementing part index value to UE1106 by RRC high-level signaling.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a transmission method for HARQ parameter, is characterized in that, comprising:
Node B in high-speed downlink packet access HSDPA system obtains the available soft channel bit maximum N in the virtual incremental redundancy buffer memory of the mixed automatic retransfer application HARQ treatment progress of described HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRinteger part index value;
Determine the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRremainder bit value, and search index value corresponding to described remainder bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress in the complementing part concordance list preset from described Node B
iRcomplementing part index value;
Send described integer part index value and described complementing part index value.
2. method according to claim 1, is characterized in that, the Node B in described HSDPA system obtains the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of described HSDPA default
iRin the step of index value of integer part bit value comprise:
Described Node B obtains the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iR;
The N in the virtual incremental redundancy buffer memory being less than or equal to described HARQ treatment progress is searched from the integer part concordance list of described Node B
iRhigh specific paricular value;
Determine that index value corresponding to described high specific paricular value is the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRin the index value of integer part bit value.
3. method according to claim 1, is characterized in that, in the described complementing part concordance list preset from Node B, the step of searching corresponding to the index value of described remainder bit value comprises:
The high specific paricular value being less than or equal to described remainder bit value is searched from the described complementing part concordance list of described Node B;
Determine that the index value corresponding to described high specific paricular value is described complementing part index value.
4. method according to claim 1, is characterized in that, the step of described transmission described integer part index value and described complementing part index value comprises:
Described integer part index value and described complementing part index value are sent to radio network controller by node B application part NBAP high-level signaling by described Node B;
Integer part index value described in described wireless network controller for obtaining and described complementing part index value, and send to user equipment (UE) by radio resource control RRC high-level signaling.
5. the method according to any one of Claims 1-4, is characterized in that, described complementing part concordance list is:
6. an acquisition methods for HARQ parameter, is characterized in that, comprising:
User equipment (UE) receives the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress that the Node B in HSDPA system sends via radio network controller
iRinteger part index value and complementing part index value;
Search the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress corresponding to described integer part index value
iRinteger part bit value;
Remainder bit value corresponding to described complementing part index value is searched from the complementing part concordance list that described UE presets;
Arrange described integer part bit value and described remainder bit value and be the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iR.
7. method according to claim 6, is characterized in that, described complementing part concordance list is:
8. the Node B in high-speed downlink packet access HSDPA system, is characterized in that, comprising:
Integer index acquisition module, for obtaining the available soft channel bit maximum N in the virtual incremental redundancy buffer memory of the mixed automatic retransfer application HARQ treatment progress of described HSDPA default
iRthe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRinteger part index value;
Remainder index acquisition module, for determining the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremainder bit value, and search index value corresponding to described remainder bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress in the complementing part concordance list preset from described Node B
iRcomplementing part index value;
Sending module, for sending described integer part index value and described complementing part index value.
9. Node B according to claim 8, is characterized in that,
Described integer index acquisition module comprises:
Total value acquisition module, for obtaining the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iR;
First bit determination module, for searching the N in the virtual incremental redundancy buffer memory being less than or equal to described HARQ treatment progress from the integer part concordance list of described Node B
iRhigh specific paricular value;
First index determination module, for determining that index value corresponding to described high specific paricular value is the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRthe index value of integer part bit value;
Described remainder index acquisition module comprises:
Difference determination module, for determining the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iRwith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
iRremainder bit value;
Second bit determination module, for searching the high specific paricular value being less than or equal to described remainder bit value from the described complementing part concordance list of described Node B;
Second index determination module, for searching index value corresponding to described high specific paricular value number.
10. the user equipment (UE) in high-speed downlink packet access HSDPA system, is characterized in that, comprising:
Receiver module, the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress sent via radio network controller for receiving node B
iRinteger part index value and complementing part index value;
Integer bit number acquisition module, for searching the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress corresponding to described integer part index value
iRinteger part bit value;
Remainder bit number acquisition module, searches remainder bit value corresponding to described complementing part index value in the described complementing part concordance list preset from described UE;
Channel arranges module, for arrange described integer part bit value and described remainder bit value and be the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
iR.
Radio network controller in 11. 1 kinds of high-speed downlink packet access HSDPA systems, is characterized in that, comprising:
Signaling receiver module, for receiving node B by the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of node B application part NBAP high-level signaling transmission
iRinteger part index value and complementing part index value;
Index acquisition module, for obtaining described integer part index value and described complementing part index value;
Signaling sending module, for sending described integer part index value and described complementing part index value to user equipment (UE) by radio resource control RRC high-level signaling.
12. 1 kinds of high-speed downlink packet access HSDPA systems, is characterized in that, comprising:
Node B according to claim 8 or claim 9;
User equipment (UE) according to claim 10;
Radio network controller according to claim 11.
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| CN101453309A (en) * | 2007-12-03 | 2009-06-10 | 大唐移动通信设备有限公司 | Method for supporting double flow transmission and apparatus therefor |
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| CN101453309A (en) * | 2007-12-03 | 2009-06-10 | 大唐移动通信设备有限公司 | Method for supporting double flow transmission and apparatus therefor |
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