CN101729225A - Method for transmitting synchronous hybrid automatic repeat request feedback data - Google Patents
Method for transmitting synchronous hybrid automatic repeat request feedback data Download PDFInfo
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- CN101729225A CN101729225A CN200810170259A CN200810170259A CN101729225A CN 101729225 A CN101729225 A CN 101729225A CN 200810170259 A CN200810170259 A CN 200810170259A CN 200810170259 A CN200810170259 A CN 200810170259A CN 101729225 A CN101729225 A CN 101729225A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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Abstract
The invention provides a method for transmitting synchronous hybrid automatic repeat request feedback data, which comprises the step that: when resources, on a downlink subframe, used for transmitting the synchronous hybrid automatic repeat request feedback data are occupied by other configured services, a base station transmits the synchronous hybrid automatic repeat request feedback data on the later downlink subframe which has no conflict with the other services. By adopting the technical scheme of the invention, the problem that the base station has conflict with the other services when transmitting the synchronous hybrid automatic repeat request feedback data is avoided; and the method is easy to implement, and particularly has no need of additional signaling cost or resource cost when a terminal has known the configuration situation of other services.
Description
Technical field
The present invention relates to field of wireless communication, the method for particularly a kind of transmitting synchronous hybrid automatic repeat request (Hybrid Automatic Repeat reQuest:HARQ) feedback data.
Background technology
Along with the fast development of Internet and popularizing of large-screen multi-functional mobile phone, a large amount of mobile data multimedia services emerge, various high bandwidth multimedia services constantly occur, as video conference, television broadcasting, video request program, advertisement, online education, interactive game etc., satisfy the business demand that the mobile subscriber constantly rises on the one hand, also bring new business growth point simultaneously for mobile operator.These mobile multi-media services require a plurality of users can receive identical data simultaneously, compare with general data, have characteristics such as data volume is big, longer duration, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3rd GenerationPartnership Project, abbreviation 3GPP) multimedia broadcasting and multicast service (MultimediaBroadcast Multicast Service have been proposed, be called for short MBMS), this business is a kind of technology that transmits data from a data source to a plurality of targets, thereby realize sharing of network (comprising core net and Access Network) resource, improve the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition can not only realize the classes of messages multicast and the broadcasting of plain text low rate, and can also realize the broadcasting and the multicast of high-speed multimedia business, multiple rich video, audio frequency and multimedia service are provided, this has complied with the trend of following mobile data development undoubtedly, for the development of 3G provides better professional prospect.
The transmission of MBMS on eating dishes without rice or wine is divided into special carrier and shared carrier wave dual mode.The main distinction of two kinds of transmission meanss is: special carrier mode, carrier wave are only carried MBMS; Mixed carrier mode, carrier wave are not only carried MBMS, also carry non-MBMS (unicast business).In mixed carrier carrying MBMS process, will there be the situation of two types the same carrier wave of service integration like this.How to allow two classes business not disturb and in the transport service process, bring into play the effect of maximum mutually, always be the emphasis topic that industry is discussed.
Use in mixed carrier carrying MBMS and the non-MBMS process, two class business multiplexing with FDM (Frequency-Division Multiplexing, frequency division multiplex), TDM (Time-DivisionMultiplexing, time division multiplexing) and FDM/TDM hybrid multiplex mode are main.In LTE (Long Term Evolution), adopted at present and be based on subframe between MBMS business and the non-MBMS business and carry out time-multiplexed.This just means that some subframes can only be used for sending the MBMS business, can not be as sub-frame of uplink.
In order to obtain accurate transfer of data, LTE still adopts forward error correction coding (Forward ErrorCorrection, FEC) and automatically repeat requests (Automatic Repeat reQuest, ARQ) error control of combination, it is HARQ (Hybrid Automatic Repeat reQuest mixes automatic repeat requests).
HARQ can be divided into synchronous HARQ and asynchronous HARQ on retransmission time.Synchronous HARQ means that data retransmission must send at once in the time that terminal knows, does not so just need subsidiary HARQ to handle sequence number, such as subframe numbers, can reduce the expense of signaling.Asynchronous HARQ is re-transmitting data block at any time then.
Because the re-transmission of synchronous HARQ occurs in fixed time, for principle of specification, provide the schematic illustration of TDD (time division duplex) pattern as shown in Figure 1, #7 subframe the 1st radio frames is the up data delivery time of certain terminal, ACK/NACK (Acknowledgement/Non-Acknowledgement) signal is replied in the base station on the #3 of next radio frames descending sub frame then, notice that the #3 subframe is that requirement according to synchronous HARQ calculates, for the base station answer is the signal of NACK, show that then the base station does not correctly receive the data of this terminal, this terminal resends the data of last time on the #7 subframe of the 2nd radio frames so.Wherein the base station subframe that is used for doing downstream feedback is fixed, promptly in advance and terminal appoint, do not need to send extra signaling terminal reception.
Obviously, if as shown in Figure 2, wherein subframe # 3, #4, #8 and #9 are the MBMS service subframe, this moment just and the resource in the moment of the synchronous feedback of base station clash, adding the resource that the ACK/NACK of MBMS service resources and clean culture feeds back is mutual exclusion.Promptly can not unicast traffic on the MBMS service subframe.Because it is at random that the unicast service of terminal selects a certain sub-frame of uplink to send data,, after introducing the MBMS service resources, just be easy to take place resource contention like this so the descending sub frame of the ACK/NACK of the reception condition of base station feedback upstream data also is at random.
Note also may existing the situation of other resources and the conflict of synchronous HARQ feedback resources.The capital causes the synchronous HARQ feedback resources occupied, need arrange new feedback resources for it and solve the problem of conflict.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of transmitting synchronous hybrid automatic repeat request feedback data, when effectively having avoided the base station to send the synchronous HARQ feedback data and the problem that clashes of other service resources.
In order to address the above problem, the invention provides a kind of method of transmitting synchronous hybrid automatic repeat request feedback data, comprise: when other business that are configured when the resource that is used to send synchronous hybrid automatic repeat request HARQ feedback data on the descending subframe take, the base station after with other professional afoul descending sub frames on this synchronous HARQ feedback data of transmission.
Further, the base station after not with other professional afoul descending sub frames on this synchronous HARQ feedback data of transmission be meant: the base station after n descending sub frame on this synchronous HARQ feedback data of transmission, terminal after n descending sub frame on reception synchronous HARQ feedback data;
N descending sub frame after above-mentioned satisfies one of following condition: disposed other business, these other business allows and the shared same subframe of synchronous HARQ feedback data, and these other business do not take the descending sub frame of the resource that sends the synchronous HARQ feedback data; Or do not dispose other professional descending sub frames.
Further, described n value sends to terminal by control signaling or system message by the base station.
Further, under TDD mode, the base station is compressed all the synchronous HARQ feedback data on the subframe of this transmitting synchronous HARQ feedback data, sends to terminal on the resource that is used for the synchronous HARQ feedback that the system that is assigned to of the synchronous HARQ feedback data after will compressing then stipulates.
Further, under mode of frequency division duplexing, the base station is not compressed each synchronous HARQ feedback data on the subframe of transmitting synchronous HARQ feedback data, is above-mentioned each synchronous HARQ feedback data Resources allocation respectively then, the concurrent end of making arrangements for his funeral.
Further, under mode of frequency division duplexing, the base station is compressed all the synchronous HARQ feedback data on the subframe of transmitting synchronous HARQ feedback data, sends to terminal on the resource that is used for the synchronous HARQ feedback that the system that is assigned to of the synchronous HARQ feedback data after will compressing then stipulates.
Further, described base station also is the configuration of the synchronous HARQ feedback data after compression control signaling;
Above-mentioned control signaling is used to inform the resource quantity and the resource type of terminal feedback.
Further, the base station also disposes the control signaling respectively for each synchronous HARQ feedback data;
Above-mentioned control signaling is used to inform the resource quantity and the resource type of terminal feedback.
Further, when above-mentioned other business were multimedia broadcasting and multicast service, the 1st in the descending sub frame after base station and terminal fix on was not approximately disposed transmission synchronous HARQ feedback data on other professional subframes.
Further, above-mentioned synchronous HARQ feedback data is meant that the base station sends to the ACK/NACK information of terminal;
If the information of base station feedback is NACK, terminal then resends this upstream data on the same subframe corresponding with sending upstream data in next radio frames; If the information of base station feedback is ACK, then terminal does not need to resend this upstream data.
In sum, the invention provides a kind of method of transmitting synchronous hybrid automatic repeat request feedback data, when effectively having avoided the base station to send the synchronous HARQ feedback data and the problem that clashes of other business, and this method is easy to realize, especially need not extra signaling consumption and resource overhead when known other business configuration situations of terminal.
Description of drawings
Fig. 1 is that prior art tdd mode UL/DL configuration mode is 2 o'clock transmitting synchronous HARQ feedback data schematic diagrames;
Fig. 2 is a transmitting synchronous HARQ feedback data schematic diagram under prior art FDD (Frequency Division Duplexing (FDD)) pattern;
Fig. 3 is the synchronous HARQ feedback data schematic diagram of postponing under the tdd mode of application example 1 of the present invention;
Fig. 4 is the synchronous HARQ feedback data transmission schematic diagram of postponing under the tdd mode of application example 2 of the present invention;
Fig. 5 is the synchronous HARQ feedback data transmission schematic diagram of postponing under the fdd mode of application example 3 of the present invention.
Embodiment
The invention provides a kind of method of transmitting synchronous hybrid automatic repeat request feedback data, terminal on certain subframe after the base station has sent upstream data, take if be used to send other business that the resource of HARQ feedback data is configured on the descending sub frame, the base station after with on other professional afoul descending sub frames transmit this synchronous HARQ feedback data.
Being used to send other business that the resource of HARQ feedback data is configured on the descending sub frame takies and is meant, the descending sub frame that is intended for use in sending the HARQ feedback data has disposed other business, these other business is the business of monopolizing, the business of monopolizing refers to not allow and other the professional shared same subframes except that this business, though perhaps these other business is not the business of monopolizing, and has taken the resource that is used to send the synchronous HARQ feedback data on this subframe.Therefore, for fear of with other service conflicts, the transmitting synchronous that can postpone HARQ feedback data, send the synchronous HARQ feedback data on n the descending sub frame that is the base station after the above-mentioned subframe that is intended for use in sending the synchronous HARQ feedback data, reception synchronous HARQ feedback data on n the descending sub frame of terminal after the above-mentioned subframe that is intended for use in sending the synchronous HARQ feedback data;
N descending sub frame after the above-mentioned subframe that is intended for use in sending the synchronous HARQ feedback data satisfies one of following condition: disposed other non-business of monopolizing, and this non-business of monopolizing does not take the descending sub frame of the resource that sends the synchronous HARQ feedback data, and the non-business of monopolizing is meant other the professional shared same subframes outside permission and this business; Or do not dispose other professional descending sub frames.The value of n is decided the situation that takies of resource by other business of configuration, and the n value can send to terminal by the base station by the mode of control signaling or system message, and specific implementation does not limit; Preferably, the n value is 1, promptly after descending sub frame in the 1st do not dispose other professional subframe transmitting synchronous HARQ feedback data.
When other business are the MBMS business, because the MBMS business is the business of monopolizing, and its configuration configures before sending data, be that known which descending sub frame of terminal has disposed the MBMS business, like this, the 1st of can fix on approximately in advance after the subframe that is intended for use in sending the synchronous HARQ feedback data of base station and terminal do not dispose this synchronous HARQ feedback data of transmission on other professional descending sub frames, and need not to send in addition signaling or the message informing terminal should receive this synchronous HARQ feedback data on which subframe.
With the LTE system is the specific implementation process that example illustrates the inventive method:
As shown in table 1 be among the LTE under the tdd mode terminal send the mapping table of upstream data and base station transmission synchronous HARQ feedback data, this tabular has been lifted 7 kinds of patterns of all possible transmission upstream data and synchronous HARQ feedback data under the tdd mode.If the data in the form are 6, the synchronous HARQ feedback data that then is illustrated in the data correspondence of this sub-frame of uplink transmission sends on the 6th descending sub frame thereafter.
Table 1: terminal sends the mapping table of upstream data and base station transmission synchronous HARQ feedback data
As shown in Figure 1, configuration mode is 2 o'clock a uplink-downlink configuration in showing on being, suppose that certain terminal has sent upstream data on #7, then according to table 1, the base station sends the synchronous HARQ feedback data on the #3 of next radio frames, if terminal receives the NACK of base station feedback, show the upstream data that the base station does not have correct receiving terminal to send, then this terminal resends this upstream data on the same subframe corresponding with sending upstream data in next radio frames, promptly resends this upstream data on the #7 of next radio frames.
Under the tdd mode, the base station is compressed by binding (bundling) algorithm the postponed synchronous HARQ feedback data that will send to synchronous HARQ feedback data and this subframe of this subframe itself, and configuration control corresponding signaling, send to terminal on the resource that is used for the synchronous HARQ feedback that synchronous HARQ feedback data after will compressing the then system that is assigned to stipulates, this control signaling is used to inform the resource quantity and the resource type of terminal feedback, resource quantity refers to comprise several synchronous HARQ feedback data, and resource type refers to that these feedback data are the feedbacks to which upstream data.Need not after each synchronous HARQ feedback data that will send compressed postponed synchronous HARQ feedback data additional allocation resource, promptly under the situation that increases signaling consumption and resource, just can not solve when sending the synchronous HARQ feedback data and the problem of other service conflicts to this subframe.
Be illustrated in figure 2 as down-going synchronous HARQ feedback data schematic diagram under the fdd mode of LTE, among the FDD, the subframe that terminal sends upstream data adds that 4 are the descending sub frame that the base station sends the synchronous HARQ feedback data.Under the fdd mode, the base station can not compressed the postponed synchronous HARQ feedback data that will send to synchronous HARQ feedback data and this subframe of a subframe itself, need be each synchronous HARQ feedback data difference Resources allocation that will send on this subframe this moment, and send to terminal after the configuration control signaling respectively; Certainly the base station also can be to the postponed synchronous HARQ feedback data that will send to synchronous HARQ feedback data and this subframe of this subframe itself by binding (bundling) compression algorithm, and configuration control signaling, send to terminal on the resource that is used for the synchronous HARQ feedback that synchronous HARQ feedback data after will compressing the then system that is assigned to stipulates, above-mentioned control signaling is used to inform the resource quantity and the resource type of terminal feedback.
Further specifying the inventive method with application example below, is that example describes with synchronous HARQ feedback data and MBMS service conflict all in the following example
Application example 1:
As shown in Figure 3, have on the #7 of a terminal first radio frames in the drawings and sent upstream data, should on the #3 of the 2nd radio frames, receive the synchronous HARQ feedback data that the base station sends, but the resource allocation of MBMS business has taken the #3 of the 2nd radio frames among Fig. 3, #4, #8, #9 is totally 4 subframes, in order to guarantee on the MBMS service resources signaling and data without any unicast service, can postpone the synchronous HARQ feedback data that the base station originally sends on the #3 of the 2nd radio frames according to this method and to #5, to send, the base station is passed through binding (bundling) compression algorithm to postponed synchronous HARQ feedback data to #5, on the resource of agreement regulation, send then, and the send mode that the control corresponding signaling of configuration is stipulated by agreement sends to terminal;
Because the resource allocation of MBMS business sends in system information in advance, all terminals are all known the resource allocation information of MBMS business, so this terminal also is to know that the #3 subframe of the 2nd radio frames is the MBMS subframe; According to prior agreement, terminal just after the 1st the non-MBMS service resources that can send the synchronous HARQ feedback data on receive oneself synchronous HARQ feedback data.Be to receive the synchronous HARQ feedback data that the base station sends on the #5 subframe of the 2nd radio frames shown in Figure 3;
The synchronous HARQ feedback data is meant that the base station sends to the ACK/NACK information of terminal, if the information of base station feedback is NACK, and terminal uplink data sending again on the #7 of the 2nd radio frames then; If the information of base station feedback is ACK, then terminal does not need to resend.
Application example 2:
Be that configuration mode is 3 o'clock a uplink-downlink configuration among the TDD as shown in Figure 4, suppose to have terminal at #2, #3, sent upstream data on the #4 subframe, then according to the regulation of table 1, the base station should be at the #8 of this radio frames, on the #9 respectively to #2, #3 sends the synchronous HARQ feedback data, on the #0 of next radio frames on the #4 of a radio frames send the synchronous HARQ feedback data.If #7 in radio frames, #8, dispose the MBMS business on totally 3 subframes with #9, in order to guarantee on the MBMS service resources signaling and data without any unicast service, the synchronous HARQ feedback data that the base station originally sends on the #8 of the 1st radio frames and #9 all can be postponed according to the inventive method and to the #0 of next radio frames, to send, after postponing, the base station is compressed by binding (bundling) algorithm the last HARQ feedback data that should send of the #0 of the HARQ feedback data on postponed #8 and the #9 subframe and next radio frames itself, on the resource of regulation, send then, and the control corresponding signaling of configuration is sent to terminal by the send mode of stipulating;
Because the resource allocation of MBMS business sends in system information in advance, promptly all terminals are all known the resource allocation information of MBMS business, so this terminal also is to know that the #8 of the 1st radio frames and #9 subframe are the MBMS subframes, according to a preconcerted arrangement, #2 in first radio frames, the terminal of the last transmission of #3 upstream data just after first can send on the non-MBMS service resources of synchronous HARQ feedback data and receive the synchronous HARQ feedback data, promptly the #0 of the 2nd radio frames as shown in the figure goes up the synchronous HARQ feedback data of reception base station transmission;
The synchronous HARQ feedback data is meant that the base station sends to the ACK/NACK information of terminal, if the information of base station feedback is NACK, then terminal is at the #2 of the 2nd radio frames, uplink data sending again on #3 and the #4; If the information of base station feedback is ACK, then terminal does not need to resend.
Application example 3:
As shown in Figure 5, have on the #2 subframe of a terminal the 1st up radio frames in the drawings and sent upstream data, should on the #6 of descending the 1st radio frames, receive the synchronous HARQ feedback of base station, but the resource allocation of MBMS business has taken the #1 of descending the 1st radio frames among Fig. 5, #2, #3, #6, #7 is totally 5 subframes, in order to guarantee on the MBMS service resources signaling and data without any unicast service, can postpone the synchronous HARQ feedback data that the base station originally sends on the #6 of descending the 1st radio frames according to the inventive method and to #8, to send, the base station can be compressed by binding (bundling) algorithm postponed HARQ feedback data and the last synchronous HARQ feedback data that will send of #8 itself, on the resource of regulation, send then, and the control corresponding signaling of configuration is sent to terminal by the send mode of stipulating; The base station can also not compressed postponed HARQ feedback data and the last synchronous HARQ feedback data that will send of #8 itself, need be the synchronous HARQ feedback data difference Resources allocation that will send on the #8 this moment, and send on the resource of distributing separately after disposing the control corresponding signaling respectively;
Because the resource allocation of MBMS business sends in system information in advance, all terminals are all known the resource allocation information of MBMS business, so this terminal also is to know that the #6 of descending the 1st radio frames is the MBMS subframe.According to prior agreement, terminal just first after #6 can send and receives the synchronous HARQ feedback data on the non-MBMS service resources of synchronous HARQ feedback data, and the #8 of descending the 1st radio frames promptly shown in Figure 5 goes up and receives the synchronous HARQ feedback data that the base station sends;
The synchronous HARQ feedback data is meant that the base station sends to the ACK/NACK information of terminal, if the information of base station feedback is NACK, and terminal uplink data sending again on the #2 of up the 2nd radio frames then; If the information of base station feedback is ACK, then terminal does not need to resend.
Adopt this method can realize with other professional as MBMS is professional and unicast resource thoroughly separately, the signaling and the data of being correlated with of clean culture promptly can not appear on as the MBMS service resources in other business.Also solved synchronous HARQ feedback data and other professional problems of conflicting, and under tdd mode, do not needed extra signaling consumption and increase resource as the MBMS service resources.
Claims (10)
1. the method for a transmitting synchronous hybrid automatic repeat request feedback data, it is characterized in that, comprise: when other business that are configured when the resource that is used to send synchronous hybrid automatic repeat request HARQ feedback data on the descending subframe take, the base station after with other professional afoul descending sub frames on the described synchronous HARQ feedback data of transmission.
2. the method for claim 1 is characterized in that:
Described base station after not with other professional afoul descending sub frames on the described synchronous HARQ feedback data of transmission be meant: the described synchronous HARQ feedback data of transmission on n the descending sub frame of base station described after, reception synchronous HARQ feedback data on n the descending sub frame of terminal after described;
N descending sub frame after described satisfies one of following condition: disposed other business, described other professional permissions and the shared same subframe of synchronous HARQ feedback data, and described other business do not take the descending sub frame of the resource that sends the synchronous HARQ feedback data; Or do not dispose other professional descending sub frames.
3. method as claimed in claim 2 is characterized in that:
Described n value sends to terminal by control signaling or system message by the base station.
4. method as claimed in claim 3 is characterized in that:
Under TDD mode, the base station is compressed all the synchronous HARQ feedback data on the subframe of described transmitting synchronous HARQ feedback data, sends to terminal on the resource that is used for the synchronous HARQ feedback that the system that is assigned to of the synchronous HARQ feedback data after will compressing then stipulates.
5. method as claimed in claim 3 is characterized in that:
Under mode of frequency division duplexing, the base station is not compressed each synchronous HARQ feedback data on the subframe of described transmitting synchronous HARQ feedback data, is described each synchronous HARQ feedback data Resources allocation respectively then, the concurrent end of making arrangements for his funeral.
6. method as claimed in claim 3 is characterized in that:
Under mode of frequency division duplexing, the base station is compressed all the synchronous HARQ feedback data on the subframe of described transmitting synchronous HARQ feedback data, sends to terminal on the resource that is used for the synchronous HARQ feedback that the system that is assigned to of the synchronous HARQ feedback data after will compressing then stipulates.
7. as claim 4 or 6 described methods, it is characterized in that:
Described base station also is the configuration of the synchronous HARQ feedback data after compression control signaling;
Described control signaling is used to inform the resource quantity and the resource type of terminal feedback.
8. method as claimed in claim 5 is characterized in that:
Described base station also disposes the control signaling respectively for each synchronous HARQ feedback data;
Described control signaling is used to inform the resource quantity and the resource type of terminal feedback.
9. method as claimed in claim 1 or 2 is characterized in that:
Other are professional when be multimedia broadcasting and multicast service when described, and the 1st of fixing on approximately in the described descending sub frame afterwards of base station and terminal do not dispose the described synchronous HARQ feedback data of transmission on other professional subframes.
10. method as claimed in claim 1 or 2 is characterized in that:
Described synchronous HARQ feedback data is meant that the base station sends to the ACK/NACK information of terminal;
If the information of base station feedback is NACK, terminal then resends this upstream data on the same subframe corresponding with sending upstream data in next radio frames; If the information of base station feedback is ACK, then terminal does not need to resend this upstream data.
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| CN200810170259A CN101729225A (en) | 2008-10-16 | 2008-10-16 | Method for transmitting synchronous hybrid automatic repeat request feedback data |
| PCT/CN2009/073273 WO2010043135A1 (en) | 2008-10-16 | 2009-08-14 | Method for transmitting synchronized hybrid automatic repeat request feedback data |
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| WO2015062477A1 (en) * | 2013-10-31 | 2015-05-07 | 电信科学技术研究院 | Data transmission method and device |
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| WO2011147336A1 (en) * | 2010-09-17 | 2011-12-01 | 华为技术有限公司 | Data transmission feedback method and apparatus |
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| WO2014179963A1 (en) * | 2013-05-09 | 2014-11-13 | 华为技术有限公司 | Service processing method and apparatus |
| WO2015062477A1 (en) * | 2013-10-31 | 2015-05-07 | 电信科学技术研究院 | Data transmission method and device |
| CN109217990A (en) * | 2017-06-30 | 2019-01-15 | 华为技术有限公司 | A kind of data transmission method and device |
| CN109217990B (en) * | 2017-06-30 | 2021-07-09 | 华为技术有限公司 | Data transmission method and device |
| CN111262670A (en) * | 2019-01-11 | 2020-06-09 | 维沃移动通信有限公司 | Hybrid automatic repeat acknowledgement feedback information transmission method and terminal equipment |
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| WO2010043135A1 (en) | 2010-04-22 |
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