CN102215528A - Hybrid-automatic repeat request (HARQ) parameter transmission and acquisition methods and high-speed downlink packet access (HSDPA) system - Google Patents
Hybrid-automatic repeat request (HARQ) parameter transmission and acquisition methods and high-speed downlink packet access (HSDPA) system Download PDFInfo
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Abstract
The invention discloses a hybrid-automatic repeat request (HARQ) parameter transmission method, an HARQ parameter acquisition method and a high-speed downlink packet access (HSDPA) system. The HARQ parameter transmission method comprises the following steps of: acquiring an index value of an integral part bit value of NIR in a virtual incremental redundancy cache of an HARQ processing process as the integral part index value of the NIR by using a node B in the HSDPA system; determining a difference between the NIR and the integral part bit value as a residual bit value of the NIR, and searching for the index value corresponding to the residual bit value from a remainder part index table preset in the node B as the remainder part index value of the NIR; and transmitting the integral part index value and the remainder part index value. By the methods and the system, soft channel bits in the virtual incremental redundancy cache of the HARQ processing process all can be effectively utilized, and the throughput of user equipment (UE) is improved.
Description
Technical field
The present invention relates to wireless communication technology field, be particularly related to transmission that a kind of high speed downlink packet inserts the hybrid automatic repeat request HARQ parameters of descending transmission channel in (High-Speed Downlink Packet Access is called for short HSDPA) system, acquisition methods and a kind of HSDPA system.
Background technology
High speed downlink packet inserts (High-Speed Downlink Packet Access, abbreviation HSDPA) technology can be improved capability of wireless communication system, significantly promote the descending user data rate of WCDMA, the downlink transmission data rate of 10 MBPSs can be provided for Packet data service in the bandwidth of one 5 megahertz.
The HSDPA technology is by introducing a new transmission channel, i.e. high speed descending sharing channel (High Speed Downlink Shared Channel is called for short HS-DSCH) is with the load of carrying HSDPA.
In the HS-DSCH of HSDPA, the re-transmission application of data re-transmission is handled by Node B, so that the fastest response speed to be provided.The mixing that HSDPA uses retransmits application (Hybrid-Automatic Repeat reQuest automatically, abbreviation HARQ) mode is: Node B sends a data block, begin then to wait for, until the feedback that receives from the affirmation/negative acknowledgment of user terminal (UserEquipment is called for short UE).
In order to make full use of intermittence time of waiting for the UE feedback, to set a UE and can move a plurality of independently HARQ treatment progress (HARQ process), different HARQ treatment progress started in the different transmission intercal time.The HARQ treatment progress number that UE can move at most is generally 8, and in the network of reality, is set to 6 usually, takes into account time delay when guaranteeing decoding efficiency.
The HARQ function of HSDPA technology is made up of twice rate-matched (Rate Matching) and a virtual incremental redundancy buffer memory (virtualIncremental Redundancy buffer is called for short virtual IR buffer), as shown in Figure 1.Wherein, the virtual incremental redundancy buffer memory is determining the rate-matched first time of HARQ, influences the transmittability of UE.
In first time rate-matched process, the input bit number is matched the virtual incremental redundancy buffer memory of UE, and " available soft channel bit maximum (the maximum number of soft channel bitsavailable) " in the virtual incremental redundancy buffer memory of each HARQ treatment progress indicated by high-level signaling." available soft channel bit maximum (the maximum number ofsoft channel bits available) " in the virtual incremental redundancy buffer memory of each HARQ treatment progress is designated as N
IRIf the input bit number is greater than N
IR, then punch, remove unnecessary bit, otherwise do not carry out the first rate coupling.Rate-matched is by punching or repeated operation for the second time, bit number in the physical channel frame that the Bit data and the high speed descending sharing channel (HighSpeed Downlink Shared Channel is called for short HS-DSCH) of each Transmission Time Interval of HS-DSCH of exporting after the rate-matched first time is mapped to is complementary.All bits of rate-matched output are arrived a plurality of physical channels by mean allocation.
This shows 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, encode.UE relies on this parameter can carry out appropriate decoding in each HARQ treatment progress, obtain correct data block information.For same HARQ treatment progress, Node B and UE must use same N
IRValue, N
IRThe understanding of value and use must keep in full accord between Node B and UE, otherwise confusion all takes place for channel bit position and logic implication.
In HSDPA, moved on in the Node B owing to retransmit the processing of application, so the N of each HARQ treatment progress
IRDetermine by Node B.In the foundation or reprovision process of HS-DSCH, Node B is passed through node B application part (Node B Application Part is called for short NBAP) high-level signaling the N of each HARQ treatment progress
IRInformation is told radio network controller.Then, radio network controller is with the N of this each HARQ treatment progress
IRInformation is told UE by Radio Resource control (Radio Resource Control is called for short RRC) high-level signaling.Like this, for same HARQ treatment progress, Node B and UE know this N that uses appointment
IRValue.
Yet, in existing systems,, divide classification, and define the maximum capacity upper limit that the UE of each classification supports for different tenability degree with UE for fear of the realization overcomplicated of UE.For example, UE for classification 19, the soft channel bit total value of HS-DSCH (Total number of soft channel bits in HS-DSCH) that defines this UE is 518400 bits, and also promptly the available peaked summation of soft channel bit of all HARQ treatment progress of this UE can not surpass the soft channel bit total value of this HS-DSCH.
UE for classification 19, the soft channel bit total value of its HS-DSCH (Total numberof soft channel bits in HS-DSCH) is 518400 bits, use the simplest soft channel bit method of salary distribution to calculate, with 6 HARQ treatment progress, each HARQ treatment progress uses the soft channel bit that is equal to.So, the N of each HARQ treatment progress
IREqual 518400 bits divided by 6 (just dividing equally 6 parts), obtain 86400 bits.
Node B is passed through the NBAP high-level signaling with the " N of each HARQ treatment progress
IREqualing 86400 bits " this information tells radio network controller.Then, radio network controller is told UE with this information by the RRC high-level signaling.In NBAP high-level signaling and RRC high-level signaling, define " the N of each HARQ treatment progress of transmission
IR" the value possibility, be merely able to get 80000 bits or 88000 bits, and can't transmit the accurate bit information of 86400 bits.
In this case, Node B can't promote N
IRBe 88000 bits, otherwise surpass the total bit number of soft channel of UE, UE can't handle.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 to use 80000 bits at most and multiply by 6 i.e. 480000 bits, has also promptly only used 92.6% of the soft channel bit total value of HS-DSCH, thereby has influenced the HAQR parameter N
IRTransmission fully and obtain, and then reduced the throughput of UE.
Summary of the invention
Main purpose of the present invention is to provide a kind of transmission, acquisition methods and a kind of HSDPA system of HARQ parameter, can not be fully utilized the problem that the UE throughput is low to solve the total bit number of the soft channel of above-mentioned UE at least.
According to an aspect of the present invention, provide a kind of transmission method of HARQ parameter, having comprised: the Node B in the HSDPA system is obtained the N in the virtual incremental redundancy buffer memory of 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
IRThe integer 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
IRThe remaining bits value, and from Node B, search index value in the default remainder partial index table, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value
IRRemainder partial index value; Send integer part index value and remainder partial index value.
According to a further aspect in the invention, provide a kind of acquisition methods of HARQ parameter, having comprised: the Node B in the UE reception HSDPA system is via the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission
IRInteger part index value and remainder partial index value; Search the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of integer part index value correspondence
IRThe integer part bit value; From the default remainder partial index table of UE, search the remaining bits value of remainder partial index value correspondence; Be provided with 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, having comprised: the integer index acquisition module is used for obtaining the N of 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
IRThe integer part index value; Remainder index acquisition module is used for determining the N of 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
IRThe remaining bits value, and from Node B, search index value in the default remainder partial index table, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value
IRRemainder partial index value; Sending module is used to send integer part index value and remainder partial 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, having comprised: receiver module is used for the N of the virtual incremental redundancy buffer memory of the HARQ treatment progress that receiving node B sends via radio network controller
IRInteger part index value and remainder partial index value; Integer bit number acquisition module is used for searching the N of virtual incremental redundancy buffer memory of the HARQ treatment progress of integer part index value correspondence
IRThe integer part bit value; Remainder bit number acquisition module is used for searching from the default remainder partial index table of UE the remaining bits value of remainder partial index value correspondence; Channel is provided with module, be used for being provided with integer part bit value and remaining bits value and be the N of the virtual incremental redundancy buffer memory of HARQ treatment progress
IR
According to a further aspect in the invention, radio network controller in a kind of high-speed downlink packet access HSDPA system is provided, comprise: the signaling receiver module is used for the N of receiving node B by the virtual incremental redundancy buffer memory of the HARQ treatment progress of NBAP high-level signaling transmission
IRInteger part index value and remainder partial index value; The index acquisition module is used to obtain integer part index value and remainder partial index value; Signaling sending module is used for sending integer part index value and remainder partial index value to UE by the RRC high-level signaling.
According to a further aspect in the invention, provide a kind of high-speed downlink packet access HSDPA system, having comprised: above-mentioned Node B, UE and radio network controller.
The present invention is converted to integer part index value and remainder partial index value by the available soft channel bit maximum that will mix in the virtual incremental redundancy buffer memory that retransmits application HARQ treatment progress automatically, make the soft channel bit in the virtual incremental redundancy buffer memory of HARQ treatment progress to be used effectively, solved prior art because of N to each HARQ treatment progress
IRValue limits and the total bit number of the soft channel of UE that causes can not be fully utilized the problem that the UE throughput is low.
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 functional schematic according to the HARQ of correlation technique;
Fig. 2 a is the flow chart of steps according to the transmission method of a kind of HARQ parameter of the embodiment of the invention one;
Fig. 2 b is the flow chart of steps of the method for the HARQ parameter transmitted of a kind of Fig. 2 of obtaining a illustrated embodiment;
Fig. 3 is according to the transmission of a kind of HARQ parameter of the embodiment of the invention two and the flow chart of steps of acquisition methods;
Fig. 4 is according to the transmission of a kind of HARQ parameter of the embodiment of the invention three and the flow chart of steps of acquisition methods;
Fig. 5 is according to the transmission of a kind of HARQ parameter of the embodiment of the invention four and the flow chart of steps of acquisition methods;
Fig. 6 is according to a kind of HARQ parameter transmission of the embodiment of the invention five and the flow chart of steps of acquisition methods;
Fig. 7 is the structured flowchart according to the Node B in a kind of HSDPA system of the embodiment of the invention;
Fig. 8 is the structured flowchart according to the Node B in the another kind of HSDPA system of the embodiment of the invention;
Fig. 9 is the structured flowchart according to the UE in a kind of HSDPA system of the embodiment of the invention;
Figure 10 is the structured flowchart according to the radio network controller in a kind of HSDPA system of the embodiment of the invention;
Figure 11 is the structured flowchart according to a kind of HSDPA system of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
The embodiment of the invention is by agreement remainder partial index table between Node B and UE, integer part concordance list in this table and the original system combines, to obtain the available soft channel bit maximum N in the virtual incremental redundancy buffer memory with the HARQ treatment progress respectively from two tables
IRCorresponding integer part index value and remainder partial index value, thus make N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRCan accurately between Node B and UE, transmit and obtain, can not be fully utilized the problem that the UE throughput is low to solve the total bit number of the soft channel of UE.
Embodiments of the invention provide following integer part concordance list and remainder partial index table:
Table one: integer part concordance list
Last 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 total bit number of soft channel is that 86400 bits are the N of each HARQ treatment progress
IREqualing 86400 bits is example, and the setting original according to system is 80000 bits or 88000 bits with the immediate value possibility of 86400 bits in this table, value 88000 bits then surpass the total bit number of this soft channel, UE can't handle, at this moment, and the N of each HARQ treatment progress
IRCan only get 80000 bits, this is worth as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part bit value, the index value 42 in the correspondence table one.The present invention with this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value, the total bit number of soft channel also remains 6400 bits.
Table two: remainder partial index table
The remainder partial index table that last table is set for the embodiment of the invention, at the remaining bits value of the total bit number of soft channel after according to table one value, original this part remaining bits value corresponding index value that slatterns as remainder partial index value, is transmitted between Node B and UE and obtained.Also remaining 6400 bits with the total bit number of above-mentioned soft channel is example, look-up table two, and obtaining 6400 bit corresponding index value is 8, this index value is the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRRemainder partial index value.If the remaining bits value in table, is not 5800 bits as the remaining bits value, then get high specific paricular value less than this bit value, i.e. 5600 bits, the manipulative indexing value is 7.
Need to prove that those skilled in the art can suitably be provided with according to actual conditions when setting table two, as increasing progressively setting with 400 bits, or use the higher bit number of ratio 800 bits to increase progressively setting, and can also non-ly increase progressively setting, the present invention does not make restriction to this.
The following embodiment of the present invention all can adopt table one and table two.
With reference to Fig. 2 a, show flow chart of steps according to the transmission method of a kind of HARQ parameter of the embodiment of the invention one, comprising:
Node B in the step 202:HSDPA system is obtained the N in the virtual incremental redundancy buffer memory of 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
IRThe integer part index value;
With the total bit number of soft channel is 518400 bits, i.e. the N of each HARQ treatment progress
IREqualing 86400 bits is example, and Node B look-up table one obtains the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of default
IRThe index value 42 of integer part bit value 80000 bits, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value.
Step 204: Node B is determined 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
IRThe remaining bits value, and from default remainder partial index table, search index value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value
IRRemainder partial index value;
Node B is determined 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
IRThe remaining bits value, the total bit number of promptly soft channel also remains 6400 bits.Node B look-up table two, obtaining this remaining bits value corresponding index value is 8, with this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRRemainder partial index value.
Step 206: Node B sends integer part index value and remainder partial index value.
Node B sends radio network controller with integer part index value 42 and remainder partial index value 8, and sends to UE by radio network controller, is used for the N that UE is provided with the virtual incremental redundancy buffer memory of HARQ treatment progress
IR
By present embodiment, with the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRBe converted to integer part index value and remainder partial index value, make the remaining bits capacity that soft channel is wasted in the prior art also can be used effectively, solved prior art because of N to each HARQ treatment progress
IRValue limits and the total bit number of the soft channel of UE that causes can not be fully utilized, the problem that the 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 obtaining a illustrated embodiment transmitted, and may further comprise the steps:
Step 208: the Node B in the user equipment (UE) reception HSDPA system is via the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission
IRInteger part index value and remainder partial index value;
For example, UE receiving node B is via integer part index value 42 and the remainder partial index value 8 of radio network controller via the radio network controller transmission.
But step 210:UE searches the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of integer part index value correspondence
IRThe integer part bit value;
As, UE searches integer part index value 42 correspondences from table one integer part bit value is 80000 bits.
Step 212:UE searches the remaining bits value of remainder partial index value correspondence from default remainder partial index table;
As, UE searches remainder partial index value 8 correspondences from table two remaining bits value is 6400 bits.
That step 214:UE is provided with integer part bit value and remaining bits value and be the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IR
As, UE is provided with the N in the virtual incremental redundancy buffer memory that 80000 bits+6400 bits=86400 bits are the HARQ treatment progress
IR
With reference to Fig. 3, show according to the transmission of a kind of HARQ parameter of the embodiment of the invention two and the flow chart of steps of acquisition methods, present embodiment is with the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
IRBe that 87000 bits are example, may further comprise the steps:
Step 302: Node B is obtained 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 is searched the N in the virtual incremental redundancy buffer memory that is less than or equal to the HARQ treatment progress from the integer part concordance list
IRThe high specific paricular value;
In this step, the high specific paricular value that is less than or equal to 87000 bits in the Node B look-up table one is 80000 bits.
Step 306: Node B determines that high specific paricular value corresponding index 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 with 80000 bit corresponding index value 42 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 with the index value of integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value;
In this step, Node B with index value 42 as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value.
By step 302-308, Node B will be near the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRBit value, correspond to the integer part index value, both guaranteed the accuracy of integer part index value, also make the remaining bits value remain on reasonable range.
Step 310: Node B is determined 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
IRThe remaining bits value;
In this step, Node B is determined the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IR87000 with the difference of integer part bit value 80000 be 7000 bits, as the remaining bits value.
Step 312: Node B is searched the high specific paricular value that is less than or equal to described remaining bits value from remainder partial index table;
In this step, Node B is searched the high specific paricular value that is less than or equal to 7000 bits from table two be 6400 bits.
Step 314: Node B is searched this high specific paricular value corresponding index value;
In this step, it is 8 that Node B is searched 6400 bit corresponding index value.
Step 316: Node B will be corresponding to the index value of remaining bits value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRRemainder partial index value;
Be Node B with index value 8 as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRRemainder partial index value.
By step 310-316, Node B is obtained the remaining bits value, and from remainder partial index table, obtain the high specific paricular value corresponding index value that is less than or equal to this value, when maximally utilising the virtual incremental redundancy buffer memory of HARQ treatment progress, also avoided the overload problems of the virtual incremental redundancy buffer memory of HARQ treatment progress.
Step 318: Node B sends to radio network controller with integer part index value and described remainder partial index value by the NBAP high-level signaling;
In this step, Node B sends to radio network controller with integer part index value 42 and remainder partial index value 8 by the NBAP high-level signaling, and this integer part index value and remainder partial index value are carried in the NBAP high-level signaling.
Step 320: radio network controller obtains integer part index value and remainder partial index value, and sends to UE by the RRC high-level signaling;
Radio network controller sends the RRC signaling to UE, has carried the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in this signaling
IRCorresponding integer part index value 42 and remainder partial index value 8.
The HSDPA system makes full use of the existing system technology by step 318-320, need not do too big change to system hardware and software and can realize the present invention, realizes simply, realizes that cost is low.
Step 322:UE receives integer part index value and remainder partial index value;
UE obtains integer part index value 42 and remainder partial index value 8 from the RRC signaling.
Step 324:UE searches the integer part bit value of integer part index value correspondence;
UE searches integer part index value 42 correspondences from the table one that is arranged at UE integer part bit value is 80000 bits.
Step 326:UE searches the remaining bits value of remainder partial index value correspondence from default remainder partial index table;
UE is 6400 bits from setting in advance the remaining bits value of searching remainder partial index value 8 correspondences in the table two of UE.
That step 328:UE is provided with 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 bits 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 is carried out data and is sent and retransmit.
By step 322-328, UE is known the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of Node B smoothly
IR, and use identical setting to send and retransmit between UE and Node B, to carry out data.This method is utilized the existing system technology to greatest extent, and it is convenient to realize, need not do too big change to software and hardware, has saved the realization cost.
With reference to Fig. 4, show according to the transmission of a kind of HARQ parameter of the embodiment of the invention three and the flow chart of steps of acquisition methods, it is 19 that present embodiment is set the UE classification, the soft channel bit total value of HS-DSCH is 518400 bits.Use the simplest soft channel bit equalitarian distribution method, promptly use 6 HARQ treatment progress, each HARQ treatment progress uses the soft channel bit that is equal to, and the available soft channel bit maximum in the virtual incremental redundancy buffer memory of each HARQ treatment progress is 86400 bits.Present embodiment may further comprise the steps:
Step 402: Node B is obtained 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 remainder partial index value;
For example, Node B look-up table one " integer part concordance list ", finding out the maximum " integer bit number " that is less than or equal to 86400 bits is 80000 bits, i.e. integer part bit value, obtaining the corresponding integer part index value of this " integer bit number " is 42.Wherein, the maximum " integer bit number " that is less than or equal to 86400 bits is meant 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 behind these selected " integer bit number " 80000 bits of 86400 bits is 6400 bits, i.e. remaining bits value.
Node B look-up table two " remainder partial index table ", finding out the maximum " remainder bit number " that is less than or equal to remaining bits and is worth 6400 bits is 6400 bits, obtains the remainder partial index value 8 of these " remainder bit number " 6400 bit correspondences.
Step 404: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by the NBAP signaling to radio network controller
IR" corresponding integer part index value 42 and remainder partial index value 8;
Step 406: radio network controller receives the NBAP signaling, obtains integer part index value 42 and remainder partial index value 8, sends to UE by the RRC signaling;
Step 408:UE receives the RRC signaling that radio network controller sends, and has carried " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the signaling
IR" corresponding integer part index value 42 and remainder partial index value 8, UE obtains integer part index value 42 and remainder partial index value 8 from the RRC signaling;
Step 410:UE is by integer part index value 42 look-up tables one, " the integer bit number " that obtains this integer part index value correspondence is that the integer part bit value is 80000 bits, and UE is that the remaining bits value is 6400 bits by " the remainder bit number " that remainder partial index value 8 look-up tables two obtain remainder partial index value 8 correspondences;
Step 412:UE is provided with the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress with " integer bit number " 80000 bits and " remainder bit number " 6400 bit additions
IR" be sum of the two 86400 bits.
With reference to Fig. 5, show according to the transmission of a kind of HARQ parameter of the embodiment of the invention four and the flow chart of steps of acquisition methods, it is classification 26 that present embodiment is set UE, the soft channel bit total value of HS-DSCH is 691200 bits.Use the simplest soft channel bit method of salary distribution, the mode of just dividing equally: use 6 HARQ treatment progress, each HARQ treatment progress uses the soft channel bit that is equal to, the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
IRBe 115200 bits.
Step 502: Node B is obtained 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 remainder partial index value;
For example, Node B look-up table one is found out the integer part bit value, and the maximum " integer bit number " that promptly is less than or equal to 115200 bits is 112000 bits, and obtaining the corresponding integer part index value of this " integer bit number " is 46.
" the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IR" bit number that deducts behind these selected " integer bit number " 112000 bits of 115200 bits is 3200 bits, i.e. remaining bits value.
Node B look-up table two, finding out the maximum " remainder bit number " that is less than or equal to remaining bits and is worth 3200 bits is 3200 bits, obtains the remainder partial index value 4 of these " remainder bit number " 3200 bit correspondences.
Step 504: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by the NBAP signaling to radio network controller
IR" corresponding integer part index value 46 and remainder partial index value 4;
Step 506: radio network controller receives the NBAP signaling, obtains integer part index value 46 and remainder partial index value 4, sends to UE by the RRC signaling;
Step 508:UE receives the RRC signaling that radio network controller sends, and has carried " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the signaling
IR" corresponding integer part index value 46 and remainder partial index value 4, UE obtains integer part index value 46 and remainder partial index value 4 from the RRC signaling;
Step 510:UE is by integer part index value 46 look-up tables one, " the integer bit number " that obtain integer part index value correspondence is 112000 bits, and UE is 3200 bits by " the remainder bit number " that remainder partial index value 4 look-up tables two obtain remainder partial index value 4 correspondences;
Step 512:UE is provided with the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress with " integer bit number " 112000 bits and " remainder bit number " 3200 bit additions
IR" be sum of the two 115200 bits.
With reference to Fig. 6, show flow chart of steps according to the implementation method of a kind of HARQ function of the embodiment of the invention five, it is classification 6 that present embodiment is set UE, the soft channel bit total value of HS-DSCH is 67200 bits.Use the simplest soft channel bit method of salary distribution, the mode of just dividing equally: use 6 HARQ treatment progress, each HARQ treatment progress uses the soft channel bit that is equal to, the N in the virtual incremental redundancy buffer memory of each HARQ treatment progress
IRBe 11200 bits.
Step 602: Node B is obtained 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 remainder partial index value;
For example, Node B look-up table one is found out the integer part bit value, and the maximum " integer bit number " that promptly is less than or equal to 11200 bits is 11200 bits, and obtaining the corresponding integer part index value of this " integer bit number " is 14.
" the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IR" bit number that deducts behind these selected " integer bit number " 11200 bits of 11200 bits is 0 bit, i.e. remaining bits value.
Node B look-up table two, finding out the maximum " remainder bit number " that is less than or equal to remaining bits and is worth 0 bit is 0 bit, obtains the remainder partial index value 0 of this " remainder bit number " 0 bit correspondence.
Step 604: Node B sends this " N in the virtual incremental redundancy buffer memory of HARQ treatment progress by the NBAP signaling to radio network controller
IR" corresponding integer part index value 14 and remainder partial index value 0;
Step 606: radio network controller receives the NBAP signaling, obtains integer part index value 14 and remainder partial index value 0, sends to UE by the RRC signaling;
Step 608:UE receives the RRC signaling that radio network controller sends, and has carried " the N in the virtual incremental redundancy buffer memory of HARQ treatment progress in the signaling
IR" corresponding integer part index value 14 and remainder partial index value 0, UE obtains integer part index value 14 and remainder partial index value 0 from the RRC signaling;
Step 610:UE is by integer part index value 14 look-up tables one, " the integer bit number " that obtain integer part index value correspondence is 11200 bits, UE is by remainder partial index value 8 look-up tables two, and " the remainder bit number " that obtain remainder partial index value 0 correspondence is 0 bit;
Step 612:UE is provided with the " N in the virtual incremental redundancy buffer memory of HARQ treatment progress with " integer bit number " 11200 bits and " remainder bit number " 0 bit addition
IR" be sum of the two 11200 bits.
With reference to Fig. 7, show structured flowchart according to the Node B in a kind of HSDPA system of the embodiment of the invention, comprising:
Integer index acquisition module 702 is used for obtaining the N of 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
IRThe integer part index value; Remainder index acquisition module 704 is used for determining the N of 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
IRThe remaining bits value, and from default remainder partial index table, search index value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to described remaining bits value
IRRemainder partial index value; Sending module 706 is used to send integer part index value and described remainder partial index value.
For example, integer index acquisition module 702 obtains the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of HSDPA default by look-up table one
IRThe index value of integer part bit value, with this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value; N in the virtual incremental redundancy buffer memory of remainder index acquisition module 704 definite HARQ treatment progress
IRWith the difference of integer part bit value as the remaining bits value, and search index value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value by table two
IRRemainder partial index value; Sending module 706 sends above-mentioned integer part index value and remainder partial index value.
With reference to Fig. 8, show structured flowchart according to the Node B in the another kind of HSDPA system of the embodiment of the invention, comprising:
Integer index acquisition module 802 is used for obtaining the N of 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
IRThe integer part index value; Remainder index acquisition module 804 is used for determining the N of the virtual incremental redundancy buffer memory of HARQ treatment progress
IRWith the difference of integer part bit value as the remaining bits value, and from default remainder partial index table, search index value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value
IRRemainder partial index value; Sending module 806 is used to send integer part index value and described remainder partial index value.
Wherein, integer index acquisition module 802 further comprises: total value acquisition module 8022 is used for obtaining the N of the virtual incremental redundancy buffer memory of HARQ treatment progress
IRValue; The first bit determination module 8024 is used for searching N the virtual incremental redundancy buffer memory that is less than or equal to the HARQ treatment progress from the integer part concordance list of Node B
IRThe high specific paricular value; The first index determination module 8026 is used for determining that high specific paricular value corresponding index value is the N of the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe index value of integer part bit value.
Wherein, remainder index acquisition module 804 further comprises: differ from determination module 8042, be used for the N of the virtual incremental redundancy buffer memory of definite 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
IRThe remaining bits value; The second bit determination module 8044 is used for searching the high specific paricular value that is less than or equal to described remaining bits value from the remainder partial index table of Node B; The second index determination module 8046 is used to search high specific paricular value corresponding index value.
For example, 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 promptly finds out N in the virtual incremental redundancy buffer memory that is less than or equal to this HARQ treatment progress by the first bit determination module 8024 table one from the remainder partial index table of Node B
IRThe high specific paricular value, determine N in the virtual incremental redundancy buffer memory that these high specific paricular value corresponding index value are the HARQ treatment progress by the first index determination module 8026
IRThe index value of integer part bit value, with this index value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe integer part index value.N in the virtual incremental redundancy buffer memory of poor determination module 8042 definite described HARQ treatment progress of remainder index acquisition module 804
IRWith the difference of described integer part bit value as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe remaining bits value, promptly search the high specific paricular value that is less than or equal to described remaining bits value the table two by the second bit determination module 8042 from the remainder partial index table of Node B, the second index determination module 8044 is searched this high specific paricular value corresponding index value, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress
IRRemainder partial index value.Sending module 806 sends above-mentioned integer part index value and remainder partial index value.
With reference to Fig. 9, show structured flowchart according to the UE in a kind of HSDPA system of the embodiment of the invention, comprising:
Receiver module 902 is used for the N of receiving node B via the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission
IRInteger part index value and remainder partial index value; Integer bit number acquisition module 904 is used for searching the N of virtual incremental redundancy buffer memory of the described HARQ treatment progress of integer part index value correspondence
IRThe integer part bit value; Remainder bit number acquisition module 906 is used for searching from the default remainder partial index table of UE the remaining bits value of remainder partial index value correspondence; Channel is provided with module 908, be used for being provided with integer part bit value and remaining bits value and be the N of the virtual incremental redundancy buffer memory of described HARQ treatment progress
IR
For example, be provided with table one and table two among the UE, receive Node B via the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission at receiver module 902
IRThe integer part index value and remainder partial index value after, integer bit number acquisition module 904 look-up tables one, obtain the integer part bit value of integer part index value correspondence, remainder bit number acquisition module 906 look-up tables two, obtain the remaining bits value of remainder partial index value correspondence, channel is provided with module 908 with the N in virtual incremental redundancy buffer memory integer part bit value and remaining bits value and that be set to the HARQ treatment progress
IR
With reference to Figure 10, show structured flowchart according to the radio network controller in a kind of HSDPA system of the embodiment of the invention, comprising:
Signaling receiver module 1002 is used for the N of receiving node B by the virtual incremental redundancy buffer memory of the HARQ treatment progress of NBAP high-level signaling transmission
IRInteger part index value and remainder partial index value; Index acquisition module 1004 is used to obtain integer part index value and remainder partial index value; Signaling sending module 1006 is used for sending integer part index value and remainder partial index value to UE by the RRC high-level signaling.
By the radio network controller of 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 that data send and retransmit.
With reference to Figure 11, show according to the structured flowchart in a kind of HSDPA system of the embodiment of the invention, comprising: Node B 1102, radio network controller 1104 and UE1106.
Wherein, Node B 1102 comprises: integer index acquisition module 11022 is used for obtaining the N of virtual incremental redundancy buffer memory of the HARQ treatment progress of HSDPA default
IRThe index value of integer part bit value, as the N that mixes in the virtual incremental redundancy buffer memory that retransmits application HARQ treatment progress automatically
IRThe integer part index value; Remainder index acquisition module 11024 is used for determining the N of 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
IRThe remaining bits value, and from Node B 1102, search index value in the default remainder partial index table, as the N in the virtual incremental redundancy buffer memory of HARQ treatment progress corresponding to the remaining bits value
IRRemainder partial index value; Sending module 11026 is used to send integer part index value and remainder partial index value.
Wherein, UE1106 comprises: receiver module 11062 is used to receive integer part index value and the remainder partial index value that sending module 11026 sends via radio network controller; Integer bit number acquisition module 11064 is used for searching the N of virtual incremental redundancy buffer memory of the HARQ treatment progress of integer part index value correspondence
IRThe integer part bit value; Remainder bit number acquisition module 11066 is used for searching from the default remainder partial index table of UE1106 the remaining bits value of remainder partial index value correspondence; Channel is provided with module 11068, be used for being provided with integer part bit value and remaining bits value and be the N of 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 is used for obtaining the N of the virtual incremental redundancy buffer memory of HARQ treatment progress
IRThe first bit determination module 110224 is used for searching N the virtual incremental redundancy buffer memory that is less than or equal to the HARQ treatment progress from the integer part concordance list of Node B 1102
IRThe high specific paricular value; The first index determination module 110226 is used for determining that high specific paricular value corresponding index value is the N of 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: differ from determination module 110242, be used for the N of the virtual incremental redundancy buffer memory of definite 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
IRThe remaining bits value; The second bit determination module 110244 is used for searching the high specific paricular value that is less than or equal to the remaining bits value from the remainder partial index table of Node B 1102; The second index determination module 110246 is used to search this high specific paricular value corresponding index value.
Preferably, radio network controller 1104 can comprise: signaling receiver module 11042 is used for the N of receiving node B1102 by the virtual incremental redundancy buffer memory of the HARQ treatment progress of NBAP high-level signaling transmission
IRInteger part index value and remainder partial index value; Index acquisition module 11044 is used to obtain integer part index value and remainder partial index value; Signaling sending module 11046 is used for sending integer part index value and remainder partial index value to UE1106 by the RRC high-level signaling.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any 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 (12)
1. the transmission method of a HARQ parameter is characterized in that, comprising:
The mixing that Node B in the high-speed downlink packet access HSDPA system is obtained described HSDPA default retransmits the available soft channel bit maximum N in the virtual incremental redundancy buffer memory of application HARQ treatment progress automatically
IRThe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
IRThe integer 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
IRThe remaining bits value, and from described Node B, search index value in the default remainder partial index table, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress corresponding to described remaining bits value
IRRemainder partial index value;
Send described integer part index value and described remainder partial index value.
2. method according to claim 1 is characterized in that, the Node B in the described HSDPA system is obtained the N in the virtual incremental redundancy buffer memory of HARQ treatment progress of described HSDPA default
IRIn the step of index value of integer part bit value comprise:
Described Node B is obtained the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
IR
From the integer part concordance list of described Node B, search the N in the virtual incremental redundancy buffer memory that is less than or equal to described HARQ treatment progress
IRThe high specific paricular value;
Determine the N in the virtual incremental redundancy buffer memory that described high specific paricular value corresponding index value is described HARQ treatment progress
IRIn the index value of integer part bit value.
3. method according to claim 1 is characterized in that, the step of searching in the described remainder partial index table default from Node B corresponding to the index value of described remaining bits value comprises:
From the described remainder partial index table of described Node B, search the high specific paricular value that is less than or equal to described remaining bits value;
Determine that the pairing index value of described high specific paricular value is described remainder partial index value.
4. method according to claim 1 is characterized in that, the step of described integer part index value of described transmission and described remainder partial index value comprises:
Described Node B sends to radio network controller with described integer part index value and described remainder partial index value by node B application part NBAP high-level signaling;
Described radio network controller obtains described integer part index value and described remainder partial index value, and sends to described UE by the radio resource control RRC high-level signaling.
5. according to each described method of claim 1 to 4, it is characterized in that described remainder partial index table is:
6. the acquisition methods of a HARQ parameter is characterized in that, comprising:
Node B in the user equipment (UE) reception HSDPA system is via the N in the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission
IRInteger part index value and remainder partial index value;
Search the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress of described integer part index value correspondence
IRThe integer part bit value;
From the default remainder partial index table of described UE, search the remaining bits value of described remainder partial index value correspondence;
Be provided with described integer part bit value and described remaining bits 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 remainder partial index table is:
8. the Node B in the high-speed downlink packet access HSDPA system is characterized in that, comprising:
The integer index acquisition module, the mixing that is used for obtaining described HSDPA default retransmits the available soft channel bit maximum N of the virtual incremental redundancy buffer memory of application HARQ treatment progress automatically
IRThe index value of integer part bit value, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress
IRThe integer part index value;
Remainder index acquisition module is used for determining the N of 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
IRThe remaining bits value, and from described Node B, search index value in the default remainder partial index table, as the N in the virtual incremental redundancy buffer memory of described HARQ treatment progress corresponding to described remaining bits value
IRRemainder partial index value;
Sending module is used to send described integer part index value and described remainder partial index value.
9. Node B according to claim 8 is characterized in that,
Described integer index acquisition module comprises:
The total value acquisition module is used for obtaining the N of the virtual incremental redundancy buffer memory of described HARQ treatment progress
IR
The first bit determination module is used for searching N the virtual incremental redundancy buffer memory that is less than or equal to described HARQ treatment progress from the integer part concordance list of described Node B
IRThe high specific paricular value;
The first index determination module is used for the N that determines that described high specific paricular value corresponding index value is 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:
Differ from determination module, be used for the N of the virtual incremental redundancy buffer memory of definite 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
IRThe remaining bits value;
The second bit determination module is used for searching the high specific paricular value that is less than or equal to described remaining bits value from the described remainder partial index table of described Node B;
The second index determination module is used to search described high specific paricular value and counts corresponding index value.
10. the user equipment (UE) in the high-speed downlink packet access HSDPA system is characterized in that, comprising:
Receiver module is used for the N of receiving node B via the virtual incremental redundancy buffer memory of the HARQ treatment progress of radio network controller transmission
IRInteger part index value and remainder partial index value;
Integer bit number acquisition module is used for searching the N of virtual incremental redundancy buffer memory of the described HARQ treatment progress of described integer part index value correspondence
IRThe integer part bit value;
Remainder bit number acquisition module is used for searching from the default described remainder partial index table of described UE the remaining bits value of described remainder partial index value correspondence;
Channel is provided with module, be used for being provided with described integer part bit value and described remaining bits value and be the N of the virtual incremental redundancy buffer memory of described HARQ treatment progress
IR
11. the radio network controller in the high-speed downlink packet access HSDPA system is characterized in that, comprising:
The signaling receiver module is used for the N of receiving node B by 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 remainder partial index value;
The index acquisition module is used to obtain described integer part index value and described remainder partial index value;
Signaling sending module is used for sending described integer part index value and described remainder partial index value to user equipment (UE) by the radio resource control RRC high-level signaling.
12. a high-speed downlink packet access HSDPA system is characterized in that, comprising:
According to Claim 8 or 9 described Node B;
User equipment (UE) according to claim 10;
Radio network controller according to claim 11.
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