CN101106439A - Processing method and device for mixed automatic retransfer request process - Google Patents
Processing method and device for mixed automatic retransfer request process Download PDFInfo
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Abstract
A hybrid automatic repeat request progress processing method comprises: a. the hybrid automatic repeat request (HARQ) progresses, which support scheduling transmission and non-scheduling transmission, is numbered; b. in the process of transmitting data, the delivering end delivers the HARQ progress ID of this data transmission to the receiving end; c. the receiving end firstly determines whether the present received data belongs to scheduling transmission or non-scheduling transmission, and then decides the HARQ progress which is used by data transmission according to the determination result and the HARQ progress ID, or firstly determines whether the present received data belongs to scheduling transmission or non-scheduling transmission, then obtains the HARQ progress ID according to the determination result, and thereby decides the HARQ progress which is used by this data transmission. The invention increases no more extra complexity and decreases signaling cost in the process of data transmission. The invention also provides the corresponding HARQ progress processing means.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of mixing automatic repeat requests (HARQ) process handling method and device.
Background technology
Automatically repetitive requests (ARQ) technology combines with forward error correction (FEC), is called as HARQ.HARQ can feed back re-transmission fast to the data block of error of transmission, and makes full use of information that misdata carries and carry out that data block merges and decoding.Therefore, a lot of systems, as HSDPA (high-speed downlink packet access), HSUPA (High Speed Uplink Packet access) and following LTE (long termevolution, Long Term Evolution), all adopt the HARQ technology to support continuous scheduling and transmission to data.
(SAW) agreement such as stopping is the most common mechanism of HARQ.Stop waiting be meant that transmitting terminal uses certain HARQ process transmission packet after, before receiving the feedback information of receiving terminal, can not continue to use other any data of this process transmission.Though stop-and-wait protocol is fairly simple, but efficiency of transmission is lower, therefore released the multidiameter delay stop-and-wait protocol again: dispose a plurality of HARQ processes simultaneously, in the feedback information process of certain HARQ process of wait, can continue to use other idle process transmits data packets.In the multidiameter delay stop-and-wait protocol, in order to distinguish different HARQ processes, need to introduce HARQ process ID (sign), this sign is sent to receiving terminal by transmitting terminal by control channel usually.
For some to time-delay and the insensitive business of service speed, as WWW, FTP etc., system adopt usually unified scheduling by between a plurality of Business Streams reasonably Resources allocation reach the effect of raising throughput of system.There have certain requirement and data to arrive for some to service rate to be more professional, as video flowing etc., system adopts the method for periodic allocation resource to serve usually, this distribution method just can realize by high-level signaling when the service of foundation connects, and no longer need extra scheduling channel support, therefore be referred to as non-scheduled transmission.
No matter be that scheduled transmission also is that non-scheduled transmission can adopt the multidiameter delay stop-and-wait protocol to finish the quick feedback and the re-transmission of error block.When transmitting terminal was supported scheduled transmission and non-scheduled transmission simultaneously, existing HARQ process handling method was:
At first, transmitting terminal is unified numbering to the HARQ process of supporting scheduled transmission and non-scheduled transmission, and each HARQ process ID identifies a HARQ process;
Then, when transfer of data, the HARQ process ID of this transmission is sent to receiving terminal by control channel.Suppose to support that the HARQ process of scheduled transmission is N1, the HARQ process of supporting non-scheduled transmission is N2, and each HARQ process ID of prior art needs to take log at least on control channel
2(N1+N2) individual bit;
Subsequently, receiving terminal carries out data with data delivery to the corresponding HARQ process that receives and merges, decodes according to the HARQ process ID that obtains.
When prior art is supported scheduled transmission and non-scheduled transmission at the same time, the HARQ process is unified numbering, can increase the signaling consumption of control channel.
Summary of the invention
The object of the present invention is to provide a kind of hybrid automatic repeat request process processing method, when supporting scheduled transmission and non-scheduled transmission at the same time in the prior art to solve, the HARQ process is unified numbering, can increase the technical problem of the signaling consumption of control channel.
In order to achieve the above object, the invention provides a kind of hybrid automatic repeat request process processing method, comprising: a: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively; B: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer by control channel, and described HARQ process ID takies max{log
2N1, log
2N2} bit, wherein, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission; C: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, determine the HARQ process that this data transfer is used according to judged result with from the HARQ process ID that control channel obtains again.
Step a is: the base station is set up HARQ management of process formation respectively for the HARQ process of support scheduled transmission with to the HARQ process of supporting non-scheduled transmission.
Also comprise before the step b: radio network controller is the used resource of the non-scheduled transmission of terminal configuration in advance, and informing base station and terminal; The base station is in the used resource of each allocation schedule transmission dispatching cycle.
Among the step b, transmitting terminal is that the resource according to current distribution is that the shared resource of scheduled transmission also is the shared resource of non-scheduled transmission, selects corresponding HARQ process to send data.
Receiving terminal is to send the shared resource of data according to transmitting terminal to determine that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission among the step c.
A kind of hybrid automatic repeat request process processing unit comprises:
Taxon: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell: be used for when data send, selecting the HARQ process;
Transmitting element: the HARQ process ID of this data transfer is sent by control channel, and described HARQ process ID takies max{log
2N1, log
2N2} bit, wherein, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit: determine the HARQ process that this data transfer is used according to the HARQ process ID of judged result and acquisition.
The present invention also provides another kind of hybrid automatic repeat request process processing method, comprising:
A: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively, N1, N2 are respectively the support scheduled transmission and support the HARQ process number of non-scheduled transmission;
B: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer by control channel, and if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit;
C: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, obtain the HARQ process ID according to judged result from control channel, thereby determine the employed HARQ process of this data transfer.
Step a is: the base station is set up HARQ management of process formation respectively for the HARQ process of support scheduled transmission with to the HARQ process of supporting non-scheduled transmission.
A kind of hybrid automatic repeat request process processing unit comprises:
Taxon: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell: be used for when data send, selecting the HARQ process;
Transmitting element: the HARQ process ID of this data transfer is sent by control channel, if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit: the judged result according to the transport-type decision unit obtains the HARQ process ID from control channel, thereby determines the employed HARQ process of this data transfer.
Compared with prior art, the present invention has the following advantages:
Because the present invention is numbered respectively and manages the HARQ process of supporting scheduled transmission and non-scheduled transmission, therefore in data transmission procedure, the HARQ process ID that transmits on the control channel can reduce the bit that takies, and then has reduced signaling consumption.
Description of drawings
Fig. 1 is the flow chart of first kind of hybrid automatic repeat request process processing method of the present invention;
Fig. 2 is the flow chart of the HARQ process handling method of TDD HSUPA of the present invention system;
Fig. 3 is the structural representation of HARQ process processing unit of the present invention;
Fig. 4 is the flow chart of second kind of hybrid automatic repeat request process processing method of the present invention.
Embodiment
Core of the present invention is: the HARQ process of supporting scheduled transmission and non-scheduled transmission is numbered respectively and manages, receiving terminal judges that at first current reception data place HARQ process is that to belong to scheduled transmission also be non-scheduled transmission, and then transmission is used according to HARQ process ID specified data is concrete which process.In data transmission procedure, the HARQ process ID that transmits on the control channel can reduce the bit that takies, and then has reduced signaling consumption.
Below in conjunction with accompanying drawing, specify the present invention.
See also Fig. 1, it is the flow chart of first kind of hybrid automatic repeat request process processing method disclosed by the invention.It comprises:
S110: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
S120: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer by control channel, and described HARQ process ID takies max{log
2N
1, log
2N
2Individual bit, wherein, N
1, N
2Be respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
S130: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, determine the HARQ process that this data transfer is used according to judged result with from the HARQ process ID that control channel obtains again.
At HSDPA, in HSUPA and the following LTE system, in order to reduce scheduling and to handle complexity, no matter data are that to belong to scheduled transmission also be non-scheduled transmission, and each TTI only allows to transmit a data block.Therefore, the present invention only needs receiving terminal to know non-scheduled transmission and the shared resource (being cycle and position) of scheduled transmission, can obtain these data that receive and be belonging to scheduled transmission also is non-scheduled transmission, that is to say, because receiving terminal itself possesses the ability of distinguishing scheduled transmission and non-scheduled transmission, so transmitting terminal need not to inform that its transfer of data place HARQ process of receiving terminal is that to belong to scheduled transmission also be non-scheduled transmission when sending the HARQ process ID of this transmission by control channel.
Based on this, the present invention is numbered respectively the HARQ process of supporting scheduled transmission and non-scheduled transmission, be and support the HARQ process of scheduled transmission and non-scheduled transmission to set up HARQ management of process formation respectively, with respect to unified thought to the process numbering, the present invention can the saving signaling expense.For example, system uses N1 HARQ process to support scheduled transmission, and N2 HARQ process supported non-scheduled transmission, uses the present invention, only needs max{log
2N1, log
2N2} bit represented, uses existing scheme then to need log
2(N1+N2) individual bit.Supposing the system needs 4 processes to support scheduled transmission, 4 processes are supported non-scheduled transmission, adopt ascending control channel of the present invention only to need the field indication HARQ process ID of 2 bits, and prior art needs the field of 3 bits to indicate the HARQ process ID, therefore, each TTI Data Transmission Controlling channel can both be saved the field of 1 bit and indicate the HARQ process ID, thereby not only saves the spending of control signaling, and does not increase extra complexity.
HSUPA (high speed uplink packet access) is called as High Speed Uplink Packet and inserts.HSDPA among the WCDMA Rel5 is optimization and the evolution of WCDMA down link direction (direction from the Radio Access Network to the portable terminal) at Packet Service.Similar with HSDPA, HSUPA is optimization and the evolution of uplink direction (direction from the portable terminal to the Radio Access Network) at Packet Service.HSUPA is behind HSDPA, the important evolution again of WCDMA standard.Utilize the HSUPA technology, up user's hardware circuit solution can improve 2-5 doubly, and HSUPA can also make the WCDMA of the throughput ratio R99 of cell uplink have more 20-50%.
Below be that example illustrates that the present invention is applied in the embodiment of uplink scheduling process just with TDD HSUPA system.See also Fig. 2, it is the flow chart of the HARQ process handling method of TDD HSUPA of the present invention system.
At first carry out step S210, when setting up HSUPA service connection, RNC (radio network controller) is the required resource of the non-scheduled transmission of terminal configuration, and by high-level signaling informing base station and terminal.
When terminal is initiated the HSUPA connection request, comprise the professional type and the service speed of requirement in its request.In the time of will reaching a certain threshold value and data and arrive more clocklike business service speed some,, can adopt the mode of non-scheduled transmission to finish this business as video flowing.
RNC is that this class service request of terminal disposes the required resource of non-scheduled transmission, and described resource comprises the shared resource location of non-scheduled transmission, repetition period and entry-into-force time, and for TDD, resource location mainly comprises time slot and code channel.And RNC will be the non-scheduled transmission of terminal configuration required resource notification base station and corresponding terminal by high-level signaling.
When the service of foundation connects, set up corresponding management of process formation according to the type of service of terminal to apply and the service mode of employing.And, also be that RNC can notify the HARQ process into terminal distribution scheduled transmission and non-scheduled transmission when the service of foundation connects.
Carry out step S220 then: in each dispatching cycle, the base station is the scheduled transmission Resources allocation.
In each dispatching cycle, after the factors such as the type of service of base station consideration terminal request, required service speed and current channel situation, according to the used resource of dispatching algorithm allocation schedule transmission.When Resources allocation, if during certain TTI has been certain terminal configuration used resource of non-scheduled transmission, the base station will no longer be the resource of this terminal distribution scheduled transmission.The resource of this scheduled transmission comprises resource location and duration.The base station will be write down in each dispatching cycle, and which terminal has been used the resource of scheduled transmission and the resource location of use thereof, and which terminal has been used the resource of non-scheduled transmission and the resource location of use thereof.
Carry out step S230 subsequently: terminal is scheduled transmission or non-scheduled transmission according to the resource of current distribution, selects corresponding HARQ process assembling packet, and transmits control informations such as comprising the HARQ process ID to the base station by control channel.
Carry out step S240 subsequently: the base station judges that it also is non-scheduled transmission that the data of current reception belong to scheduled transmission, determine corresponding HARQ process according to judged result and from the HARQ process ID that control channel obtains, and submit to this HARQ process to handle the current data that receive.
Need to prove that when terminal sent data to the base station, can the base station correctly receive according to data and send ACK/NAK in the predefined time.Suppose that the base station shows the NAK that data are not correctly received to the terminal transmission, terminal need retransmit these data, and terminal need be selected the HARQ process identical with transmitting these data last time.And when the new data block of terminal transmission, then can from idle process, select one arbitrarily.
When the base station receives data,, determine that it also is non-scheduled transmission that this transfer of data belongs to scheduled transmission according to the resource character that each terminal in the corresponding dispatching cycle of its record is used.Then, the HARQ process can be determined according to judged result and the HARQ process ID that obtains from control channel number in the base station.Subsequently, the base station can be handed over the data that obtain to this HARQ process coding and data merging.
No matter how the HARQ process manages, base station itself possesses the function of distinguishing scheduled transmission and non-scheduled transmission, therefore the present invention sets up HARQ process queue that is used for scheduled transmission and the HARQ process queue that is used for non-scheduled transmission respectively to the HARQ process, the HARQ process ID of control channel transmission just can take bit less in data transmission procedure, reduce signaling consumption thus, and do not increased extra complexity.
During uplink, the base station is as receiving terminal, and terminal is as transmitting terminal.During downlink transfer, the base station is as transmitting terminal, and terminal is as receiving terminal.That is to say that base station and terminal need possess the function that sends and receive.Based on this, the invention provides a kind of hybrid automatic repeat request process processing unit.See also Fig. 3, be the structural representation of HARQ process processing unit of the present invention.It comprises:
Taxon 11: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell 12: be used for when data send, selecting appropriate H ARQ process, and this HARQ process ID is sent by control channel;
Transmitting element 13: the HARQ process ID of this data transfer is sent by control channel, and described HARQ process ID takies max{log
2N1, log
2N2} bit, wherein, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit 14: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit 15: transmit the HARQ process of using according to judged result with from the HARQ process ID specified data that control channel obtains.
The HARQ management of process formation that taxon 11 is used for setting up respectively the HARQ management of process formation that is used for scheduled transmission and is used for non-scheduled transmission.
When this device was used for the data transmission, whether selected cell 12 retransmitted selection appropriate H ARQ process from taxon 11 according to the character and the data block of this data transfer.The resource of supposing to distribute to this transmission is a non-scheduling resource, then selects idle HARQ process from the HARQ management of process formation that is used for non-scheduled transmission of taxon 11, and transmitting element 13 sends the HARQ process ID by control channel.If these data are to belong to data retransmission, then select current the needs to select the HARQ process identical or select idle HARQ process with transmitting these data last time, the HARQ process ID that also needs to choose simultaneously sends by control channel.
When this device was used for Data Receiving, transport-type decision unit 14 judged that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission; Transport-type decision unit 14 is to send the shared resource of data according to transmitting terminal to determine that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission.Determining unit 15: the HARQ process that transmission is used according to judged result and HARQ process ID specified data, and the data that receive are sent to this HARQ process handle, as data decoding and data merging.
See also Fig. 4, it is the flow chart of second kind of hybrid automatic repeat request process processing method disclosed by the invention.It comprises:
S310: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively, N1, N2 are respectively the support scheduled transmission and support the HARQ process number of non-scheduled transmission;
S320: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer by control channel, and if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit;
S330: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, obtain the HARQ process ID according to judged result from control channel, thereby determine the employed HARQ process of this data transfer.
In step S310, the base station is set up HARQ management of process formation respectively for the HARQ process of support scheduled transmission with to the HARQ process of supporting non-scheduled transmission.
In step S320, transmitting terminal is to support that scheduled transmission also is non-scheduled transmission according to this HARQ process, takies corresponding bit transfer HARQ process ID on control channel.Such as, support that the number of the HARQ process of scheduled transmission is 16, the number of supporting the HARQ process of non-scheduled transmission is 4.When the HARQ of this transmission of transmitting terminal process is a scheduled transmission, the bit that then is used to send this HARQ process ID on control channel is 4.When the HARQ of this transmission of transmitting terminal process is non-scheduled transmission, the bit that then is used to send this HARQ process ID on control channel is 2.
In step S330, receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, get N bit according to judged result predeterminated position from the control channel again, obtain the HARQ process ID, thereby determine the employed HARQ process of this data transfer.When the HARQ process was supported scheduled transmission, N was log
2N1, when the HARQ process was supported non-scheduled transmission, N was log
2N2.
Like this, the HARQ process ID of control channel transmission just still less takies bit in data transmission procedure, has reduced signaling consumption thus.
The invention provides a kind of hybrid automatic repeat request process processing unit, comprising:
Taxon: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell: be used for when data send, selecting the HARQ process;
Transmitting element: the HARQ process ID of this data transfer is sent by control channel, if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit: the judged result according to the transport-type decision unit obtains the HARQ process ID from control channel, thereby determines the employed HARQ process of this data transfer.
More than disclosed only be several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop in protection scope of the present invention.
Claims (10)
1. a hybrid automatic repeat request process processing method is characterized in that, comprising:
A: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
B: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer;
C: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, determine the HARQ process that this data transfer is used according to the HARQ process ID of judged result and acquisition again.
2. the method for claim 1 is characterized in that, described HARQ process ID takies max{log
2N1, log
2N2} bit, wherein, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission.
3. the method for claim 1 is characterized in that, step a is: the base station is set up HARQ management of process formation respectively for the HARQ process of support scheduled transmission with to the HARQ process of supporting non-scheduled transmission.
4. the method for claim 1 is characterized in that, also comprises before the step b:
Radio network controller is the used resource of the non-scheduled transmission of terminal configuration in advance, and informing base station and terminal;
The base station is in the used resource of each allocation schedule transmission dispatching cycle.
5. method as claimed in claim 4 is characterized in that,
Among the step b, transmitting terminal is that the resource according to current distribution is that the shared resource of scheduled transmission also is the shared resource of non-scheduled transmission, selects corresponding HARQ process to send data;
Receiving terminal is to send the shared resource of data according to transmitting terminal to determine that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission among the step c.
6. a hybrid automatic repeat request process processing unit is characterized in that, comprising:
Taxon: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell: be used for when data send, selecting the HARQ process;
Transmitting element: the HARQ process ID of this data transfer is sent, and described HARQ process ID takies max{log
2N1, log
2N2} bit, wherein, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit: determine the HARQ process that this data transfer is used according to the HARQ process ID of judged result and acquisition.
7. a hybrid automatic repeat request process processing method is characterized in that, comprising:
A: to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
B: when transfer of data, transmitting terminal is sent to receiving terminal with the HARQ process ID of this data transfer;
C: receiving terminal judges that earlier the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission, obtain the HARQ process ID according to judged result, thereby determine the employed HARQ process of this data transfer.
8. method as claimed in claim 8 is characterized in that, if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission.
9. method as claimed in claim 7 is characterized in that, step a is: the base station is set up HARQ management of process formation respectively for the HARQ process of support scheduled transmission with to the HARQ process of supporting non-scheduled transmission.
10. a hybrid automatic repeat request process processing unit is characterized in that, comprising:
Taxon: be used for to support scheduled transmission with mixing of non-scheduled transmission automatic repeat requests HARQ process be numbered respectively;
Selected cell: be used for when data send, selecting the HARQ process;
Transmitting element: the HARQ process ID of this data transfer is sent by control channel, if described HARQ process is supported scheduled transmission, then the HARQ process ID takies log
2N1 bit, otherwise the HARQ process ID takies log
2N2 bit, N1, N2 are respectively the HARQ process number of supporting scheduled transmission and supporting non-scheduled transmission;
Transport-type decision unit: be used for when Data Receiving, judge that the current data that receive are that to belong to scheduled transmission also be non-scheduled transmission;
Determining unit: the judged result according to the transport-type decision unit obtains the HARQ process ID, thereby determines the employed HARQ process of this data transfer.
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| CN101499890B (en) * | 2008-02-03 | 2011-09-14 | 电信科学技术研究院 | Method and device for retransmitting data in non-scheduled transmission failure |
| CN101534180B (en) * | 2008-03-12 | 2011-11-30 | 电信科学技术研究院 | Method for realizing HSUPA non-scheduling transmission and system thereof |
| CN102447547A (en) * | 2010-09-30 | 2012-05-09 | 中兴通讯股份有限公司 | Hybrid automatic retransmission method, system and terminal in MC-HSUPA |
| CN103002506A (en) * | 2011-09-14 | 2013-03-27 | 鼎桥通信技术有限公司 | Method and device for scheduling |
| CN101222309B (en) * | 2008-01-25 | 2013-06-05 | 中兴通讯股份有限公司 | Configuration method and device for LTE TDD system ascending HARQ course |
| CN103716253A (en) * | 2013-12-27 | 2014-04-09 | 广州华多网络科技有限公司 | Method and device for requesting data |
| WO2014110826A1 (en) * | 2013-01-21 | 2014-07-24 | 华为技术有限公司 | Hybrid automatic repeat request feedback method, base station, and user equipment |
| US8943378B2 (en) | 2008-03-10 | 2015-01-27 | Interdigital Patent Holdings, Inc. | Method and apparatus for efficiently utilizing HARQ processes for semi-persistent and dynamic data transmissions |
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