CN101615992B - Device and method for transmitting and receiving service in multiple carriers, as well as transmitter and receiver - Google Patents
Device and method for transmitting and receiving service in multiple carriers, as well as transmitter and receiver Download PDFInfo
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Abstract
The embodiment of the invention discloses a device and a method for transmitting and receiving a service in multiple carriers, as well as a transmitter and a receiver, relates to a communication technology and definitely provides a service bearing mode in the multi-carrier which is used for transmitting or receiving a multi-carrier service. The technical scheme provided by the embodiment of the invention comprises the following steps: deciding a service bearing mode on the multiple carriers; and transmitting the service according to the decided service bearing mode on the multiple carriers, wherein the service bearing mode on the multiple carriers comprises the same protocol data unit (PDU) or different PDUs born on at least two carriers in the multiple carriers.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of sending, receiving method, device and transmitter and receiver of service in multiple carriers.
Background technology
Broadband CDMA system (Wideband CDMA, WCDMA) is the 3-G (Generation Three mobile communication system) of being formulated by the 3rd generation partner program (3rdGeneration Partnership Project, 3GPP) standardization body.WCDMA has the versions such as Release 99, Release 4, Release 5, Release 6 at present.
Under Release 5 versions, WCDMA has introduced down link enhancing technology, be high speed downlink packet access (High Speed Downlink Packet Access, HSDPA) technology, HSDPA technology can make downstream rate reach 43.2Mbps by various core technologies, is the one preferred technique that WCDMA mobile operator carries out large flow mobile multimedia service.HSDPA technology is done to simple introduction below.
HSDPA has introduced MAC-hs entity at media access control (MAC) layer of subscriber equipment (UE) and base station (NodeB), completes the functions such as relevant scheduling, feedback and re-transmission.For the re-transmission of network side, directly controlled by NodeB, improve the speed retransmitting, reduce the time delay of transfer of data.In order to complete corresponding control, scheduling and feedback, in HSDPA, increase by three new physical channels:
(1) high-speed downlink shared channel (High-Speed Downlink Shared Channel, HS-DSCH): down link, be responsible for transmitting user data, Channel Sharing mode is mainly time division multiplexing and code division multiplexing.
(2) High-Speed Shared Control Channel (HS-SCCH) channel: down link, be responsible for the necessary control information of transmission HS-DSCH channel-decoding.
(3) High-Speed Dedicated Physical Control Channel (HS-DPCCH) channel: up link, be responsible for the control information that transmission is necessary, mainly response to HARQ (Automatic Repeat Request, ARQ) and the feedback of downlink quality.For example, HS-DPCCH can carry the feedback signaling about descending HS-DSCH transmission, feedback signaling comprises that the confirmation (ACK) and the channel quality that retransmit indication (comprising confirmations/do not confirm indication, ACK/NACK) indicate (CQI).
The multicarrier design of WCDMA system is the new problem proposing in the recent period.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: how prior art does not clearly propose on multicarrier the PDU of bearer service, for sending multicarrier business.
Summary of the invention
For the problems referred to above, embodiments of the invention provide a kind of sending, receiving method, device and transmitter and receiver of service in multiple carriers, the method of salary distribution of service in multiple carriers PDU is clearly provided, for sending multicarrier business, can, in strengthening user's experience, improve the reliability of communication link.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A sending method for service in multiple carriers, mainly comprises:
Determine the mode of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU;
Send business according to the mode of bearer service on described definite multicarrier.
A method of reseptance for service in multiple carriers, mainly comprises:
Receive and distribute Indication message, described distribution Indication message comprises the mode information of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU;
According to described distribution Indication message, the PDU in each carrier wave is inputted to corresponding decoder, to obtain the beared information of multicarrier business.
A dispensing device for service in multiple carriers, mainly comprises:
Service bearer mode determining unit, for determining the mode of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in multicarrier, carry identical protocol Data Unit PDU or different PDU;
Transmitting element, for sending business according to the mode of bearer service on the definite multicarrier of described service bearer mode determining unit.
A kind of receiver, mainly comprises:
Receiving element, be used for receiving distribution Indication message, described distribution Indication message comprises the mode information of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU;
PDU processing unit, for sending the PDU of each carrier wave into corresponding decoder according to described distribution Indication message, to obtain the beared information of multicarrier business.
A kind of transmitter, mainly comprises: PDU dispatching device, the first processing unit and the second processing unit,
Described PDU dispatching device, for according at least one CQI or determine the mode of bearer service on multicarrier according to high-level signaling, according to described scheduling mode, business datum is sent into described at least one in the first processing unit, wherein, described on multicarrier the mode of bearer service comprise at least two carrier waves of described multicarrier and carry identical protocol Data Unit PDU or different PDU;
Described the first processing unit, for described business datum is carried out to code rate coupling and modulation, and result after treatment is sent into the second processing unit described at least one, described the second processing unit is for carrying out spectrum-spreading and scrambling, root raised cosine filtering and upconversion process to the Output rusults of described the first processing unit.
The technical scheme that the embodiment of the present invention provides, clearly provides the method for salary distribution of service in multiple carriers PDU, and makes transmitting terminal can utilize CQI, determines the PDU method of salary distribution of business in carrier wave according to channel circumstance; Correspondingly, receiving terminal can switch between the different PDU methods of salary distribution, can be in strengthening user's experience, and improve the reliability of communication link or increase the coverage of community.
Accompanying drawing explanation
The sending method flow chart of the service in multiple carriers that Fig. 1 provides for one embodiment of the invention;
The sending method flow chart of the service in multiple carriers that Fig. 2 provides for one embodiment of the invention;
The sending method flow chart of the service in multiple carriers that Fig. 3 provides for one embodiment of the invention;
The method of reseptance flow chart of the service in multiple carriers that Fig. 4 provides for one embodiment of the invention;
The dispensing device schematic diagram of the service in multiple carriers that Fig. 5 provides for one embodiment of the invention;
The dispensing device schematic diagram of the service in multiple carriers that Fig. 6 provides for one embodiment of the invention;
The receiver schematic diagram that Fig. 7 provides for one embodiment of the invention;
The transmitter architecture schematic diagram that Fig. 8 provides for one embodiment of the invention;
Another transmitter architecture schematic diagram that Fig. 9 provides for one embodiment of the invention;
The transmitter architecture schematic diagram that utilizes switch to realize that Figure 10 provides for one embodiment of the invention.
Embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, sending, receiving method, device and the Receiver And Transmitter of the service in multiple carriers embodiment of the present invention being provided below in conjunction with accompanying drawing are described in detail.
One embodiment of the invention provides a kind of sending method of service in multiple carriers, as shown in Figure 1, can comprise:
Wherein, on multicarrier, the mode of bearer service can comprise and at least two carrier waves in multicarrier, carries identical protocol Data Unit PDU or different PDU.
Known by foregoing description, the embodiment of the present invention has first clearly proposed the method for salary distribution of service in multiple carriers, identical PDU that can bearer service on multicarrier or different PDU.
For example, for two carrier waves, can on two carrier waves, carry identical or different PDU, for four carrier waves, can be to carry between two identical PDU on four carrier waves, can be also that four carrier waves all carry identical or different PDU.For multicarrier more, the mode of its bearer service can the rest may be inferred, do not enumerate one by one herein.
In this step, on the definite multicarrier of step 11, on the mode basis of bearer service, business is sent on multicarrier.
This shows, in the method that the embodiment of the present invention provides, clearly provide the method for salary distribution of service in multiple carriers PDU, the method for salary distribution of this PDU comprises on each carrier wave carries identical PDU or different PDU, for sending multicarrier business.
It should be noted that, the mode of the definite multicarrier bearer service in the embodiment of the present invention one can be controlled by high level, that is to say by high-level signaling and directly determines, also can determine according to channel quality indicator (CQI).
One embodiment of the invention provides the sending method of another kind of service in multiple carriers, as shown in Figure 2, can comprise:
Step 21, receive at least one channel quality indicator (CQI);
Preferably, can adopt channel quality indicator (CQI) to determine the mode of multicarrier bearer service.Further, can adopt and receive from the CQI of at least one High-Speed Dedicated Physical Control Channel HS-DPCCH as the foundation of determining multicarrier bearer service mode, but be not limited to this, comprise any mode that can obtain CQI.
Step 22, according to described in the CQI that receives determine in multicarrier the mode of bearer service on each carrier wave.
On multicarrier, the mode of bearer service can comprise at least two carrier waves of multicarrier and carries identical protocol Data Unit PDU or different PDU.
The method that the embodiment of the present invention provides, utilizes channel quality indicator (CQI), and transmitting terminal determines the PDU method of salary distribution of business in carrier wave according to channel circumstance.For example, in the time of channel circumstance second-rate, in each carrier wave of transmitting terminal, can carry the PDU of corresponding service same section; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the PDU of corresponding service different piece, can, strengthening in user experiences, improve the reliability of communication link.
In addition, the method that the embodiment of the present invention provides, can be for determining the mode of bearer service in initial multicarrier, also can be for determining after the mode of bearer service, for the switching between different modes.That is to say, initially determine after the mode of bearer service in multicarrier, also can, by the method in above-described embodiment, carry out dynamic switching controls by detecting channel quality to the mode of bearer service in multicarrier.
As shown in Figure 3, in the following examples, take the CQI that detects High-Speed Dedicated Physical Control Channel HS-DPCCH as example, the sending method of service in multiple carriers is described in detail.
In the embodiment of the present invention, can, by NodeB, receive the CQI feeding back by HS-DPCCH from user.
In this step, the magnitude relationship of the CQI receiving in comparison step 31 and default threshold value, according to different comparative results, can have the mode of multiple different bearer service.
For example, if the CQI receiving is not more than predetermined threshold value, in each carrier wave, carry the PDU that corresponding service is identical; Otherwise, that is to say, if there are any one or more default threshold values that are greater than in received CQI, the PDU of corresponding service is divided into different at least two parts, in each carrier wave, carry the PDU that appropriate section is different.
In addition; also can there be other different processing modes; such as; CQI in received CQI is not more than on the corresponding carrier wave of channel of default threshold value and carries identical PDU; exemplify no longer one by one herein; be understandable that, determine the mode of bearer service in multicarrier according to CQI, all should be in protection scope of the present invention.
It should be noted that, the embodiment of the present invention can be according to the arbitrary CQI receiving, as the foundation of determining the bearing mode of the PDU of corresponding service in multicarrier, for make determine service in multiple carriers bearing mode according to more reasonable, preferably, in the embodiment of the present invention three, step 32 can be specially:
Whether judgement is not more than predetermined threshold value from the CQI of above-mentioned each channel in the given time,
If be all not more than, in above-mentioned each carrier wave, carry the PDU that corresponding service is identical, the PDU carrying in above-mentioned each carrier wave is identical; Otherwise,
The PDU of above-mentioned corresponding service is divided into different at least two-part PDU, carries respectively by each carrier wave the PDU that appropriate section is different, the PDU difference of carrying in each carrier wave.
The above-mentioned scheduled time can be set according to actual needs, such as being several CQI cycles, preferred, can get more than 4 or 4 CQI cycle.Similarly, above-mentioned predetermined threshold value also can arrange according to actual needs, preferred, can get the arbitrary value between 1 to 15.
If in the given time, each CQI of the each HS-DPCCH channel receiving is not more than above-mentioned predetermined threshold value, illustrate that current channel circumstance is second-rate, the very unstable or handoff boundary place of user in community, at this moment, can adopt the mode of carrying the identical PDU of corresponding service in each carrier wave, the PDU carrying in each carrier wave is identical, while adopting this PDU method of salary distribution, can improve the reliability of channel link;
If in the given time, any one or morely in each CQI of each HS-DPCCH channel receiving be greater than above-mentioned predetermined threshold value, illustrate that current channel circumstance quality is better, at this moment, the PDU of above-mentioned corresponding service is divided into and different at least two-part PDU, adopts the PDU that carries respectively corresponding service different piece in each carrier wave, while adopting this PDU method of salary distribution, can improve transfer of data peak rate, strengthen user and experience.
From the above mentioned, the sending method of the service in multiple carriers that the embodiment of the present invention provides, can be according to channel circumstance, between different bearing modes, switch, strengthen the flexibility of PDU scheduling strategy, can be the region good in channel quality or the user in the period, provide higher transfer of data peak rate, enhancing user to experience, can be again in the not user of plateau region or community handoff boundary of channel quality, higher link reliability is provided, improves the total throughout of community or increase the coverage of community.
Further, after step 32, can also comprise:
Optionally, in the embodiment of the present invention, can also comprise that at the distribution Indication message of step 33 carrier wave principal and subordinate retransmits definite indication, so that the processing to CQI and re-transmission indication.
In the time carrying identical PDU at least two carrier waves that the mode of bearer service on above-mentioned multicarrier is multicarrier, above-mentioned carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing;
In the time carrying different PDU at least two carrier waves that the mode of bearer service on above-mentioned multicarrier is multicarrier, above-mentioned carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits;
Above-mentioned carrier data re-transmission mode comprises that first carrier data re-transmission mode and the second carrier data retransmit mode;
Above-mentioned first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave;
Above-mentioned the second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier.
Above-mentioned carrier wave principal and subordinate retransmits and determines that indication is for showing main carrier and the mode from carrier wave or carrier data re-transmission; This carrier data re-transmission mode comprises that first carrier data re-transmission mode and the second carrier data retransmit mode.
For the ease of clearly demonstrating; adopt in the present invention first, second printed words such as grade to carry out class discrimination to similar item; these first, second printed words quantitatively do not limit the invention; just illustrating a kind of preferred mode; those skilled in the art are according to content disclosed by the invention, and apparent similar distortion or the related expanding expected all belong in protection scope of the present invention.
This first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave, and the data while re-transmission on different carrier are not replaced; This second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier, and the data while re-transmission on different carrier can be replaced.
Above-mentioned during to data re-transmission, preferred data replacement mode is described, but be not limited to this, the re-transmission mode that the embodiment of the present invention provides also comprises that data that just pass from carrier wave retransmit from carrier wave at another, be that whole displacements all can occur for data retransmission on any two carrier waves, or there is the displacement of part in the data retransmission on any two carrier waves.
Below, the situation that the embodiment of the present invention adopts two carrier waves to carry out business data transmission distributes Indication message to describe to the process of receiver to sending.
Optionally, above-mentioned distribution Indication message can be high-speed shared control channel HS-SCCH order, and the embodiment of the present invention can arrange this distribution Indication message by following manner:
Step T1, determine a kind of HS-SCCH command type.
In HS-SCCH command type, choose a kind of indication carrier wave state, preferred, the HS-SCCH command type mapped bits that the embodiment of the present invention adopts is: Xodt, 1, Xodt, 2, Xodt, 3, wherein Xodt represents command type position, and 1,2,3 is sequence number, and the value of each command type position can be 0 or 1.Xodt, 1, Xodt, 2, Xodt, any in 3 three kinds of command type positions all can indication carrier wave state, and in embodiments of the present invention, the Carrier State of indication is multicarrier.
Step T2, in the HS-SCCH of HS-SCCH command type order, select the mode information bit of at least one order of the bit position as bearer service on the multicarrier distributing in Indication message, on this multicarrier, the mode information of bearer service is the method for salary distribution for representing PDU.
Optionally, this above-mentioned distribution Indication message can also comprise that carrier wave principal and subordinate retransmits to be determined that indication, above-mentioned carrier wave principal and subordinate retransmit and determines that indication shows main carrier and from carrier wave, and the mode that retransmits of carrier data;
Xord, any method of salary distribution indication that can be used as PDU in 1 or Xord, 2 or Xord, 3 or carrier wave principal and subordinate retransmit and determine indication, and remaining command bit can be used as spare bit.For example, the embodiment of the present invention is with by Xord, the 1 mode information as bearer service on multicarrier, and by Xord, 2 retransmit and determine that being designated as example describes as carrier wave principal and subordinate.
Optionally, by Xord, 1, Xord, 2, Xord, 3 arrange as follows:
The mode information (1bit) of bearer service on multicarrier: Xord, 1
Carrier wave principal and subordinate retransmits definite indicating bit (1bit): Xord, 2
(1bit) for subsequent use: Xord, 3, wherein:
Xord, 1:0, the first allocation model, represents two PDU that carriers carry corresponding service is different,
1, the second allocation model, represents two PDU that carriers carry corresponding service is identical.
Xord, 2:0, is illustrated under the second allocation model, and this PDU belongs to main carrier PDU; Under the first allocation model (Xord, 1:1, i.e. Xord, 1 value is 1 o'clock), representing that the PDU that this main carrier just passes retransmits on main carrier, the PDU just passing from carrier wave is retransmitting from carrier wave, when namely the PDU of principal and subordinate's carrier wave retransmits, does not replace.
1, be illustrated under the second allocation model, this PDU belongs to from carrier wave PDU; Under the first allocation model (Xord, 1:1, i.e. Xord, 1 value is 1 o'clock), representing that the PDU that this main carrier just passes is retransmitting from carrier wave, the PDU just passing from carrier wave retransmits at main carrier, displacement when namely the PDU of principal and subordinate's carrier wave retransmits.
In the foregoing description, to command type word Xord, 1 or Xord, 2 or Xord, 3 when arrange, and 0 or 1 choose is not limited to above-mentioned set-up mode, and the final order forming can be: ' 010 ', any in ' 011 ', ' 100 ', ' 101 ', ' 110 ', ' 111 '.
Same, to command bit Xord, 1 or Xord, 2 or Xord, 3 when arrange, and 0 or 1 choose is not limited to above-mentioned set-up mode, and any one can represent that the mode information bit of bearer service on multicarrier and carrier wave principal and subordinate retransmit definite indicating bit.
For the ease of understanding, the above-mentioned description to the indicated order implication of command bit, a kind of situation that the embodiment of the present invention three comprises is only described, but be not limited to this, mentioned order position can be set, in order to the data retransmission indicating on any two carrier waves, whole displacements occurs, or there is the displacement of part in the data retransmission on any two carrier waves.
Foregoing description is not under the second allocation model, the situation of data retransmission is described, under the second allocation model, while being the identical PDU of each carriers carry corresponding service, when re-transmission, between each carrier wave, data replacement is whether, difference is not too large, but the embodiment of the present invention three is under the second allocation model, carry out data retransmission and comprise that whole displacements occurs the data retransmission on any two carrier waves, or the situation of the displacement of part occurs the data retransmission on any two carrier waves, this is equally applicable to below distribute Indication message to be contained in the situation in HS-SCCH information.
Optionally, above-mentioned distribution Indication message also can be contained in HS-SCCH information, can this distribution Indication message be set by following manner:
In HS-SCCH information, select at least one information bit to retransmit definite indicating bit as mode information bit or the carrier wave principal and subordinate of bearer service on the multicarrier distributing in Indication message.
In the part 2 of HS-SCCH type, use 3bit (xrv, 1, xrv, 2, xrv, 3) represent redundancy and constellation version, use 1bit (xnd, 1) to represent to retransmit indication, wherein, xrv represents information bit, and 1,2,3 represent sequence number, and xnd represents information bit.Due to xrv in the time just passing, 1, xrv, 2, xrv, 3 always get 0, and seldom use 0 while retransmitting.Therefore can use (xrv, 1, xrv, 2, xrv, 3) while, as retransmitting indication, is used 1bit xnd, and 1 represents to distribute the indication of the PDU method of salary distribution or carrier wave principal and subordinate in Indication message to retransmit definite indication, and (xrv, 1 can be set as follows, xrv, 2, xrv, 3):
(xrv, 1, xrv, 2, xrv, 3): 000, represent just to pass indication;
(xrv, 1, xrv, 2, xrv, 3): 001,010,011,100,101,110 or 111, represent to retransmit indication.
Take the situation of two carrier waves, as example describes, above-mentioned distribution Indication message is contained in the situation in (xnd, 1) information bit of HS-SCCH information below, but is not limited to this, comprises the situation of more than two carrier wave.
Under two carrier waves, if main carrier distributes HS-SCCHa, during from allocation of carriers HS-SCCHb, a, b are mark, are respectively used to distinguish main carrier and from carrier wave, can arrange as follows:
(xnd, 1) a:0, the second allocation model, represents that two carrier waves all carry the PDU of corresponding service;
1, the first allocation model, represents the PDU of two carriers carry corresponding service different pieces.
(xnd, 1) b:0, is illustrated under the second allocation model, and this PDU belongs to main carrier PDU; ((xnd under the first allocation model, 1) a:1, be (the xnd in main carrier, 1) information bit value is 1 o'clock), represent that the PDU that this main carrier just passes retransmits on main carrier, the PDU that appendix ripple just passes retransmits on appendix ripple, when namely the PDU of main appendix ripple retransmits, does not replace.
1, be illustrated under the second allocation model, this PDU belongs to from carrier wave PDU; ((xnd under the first allocation model, 1) a:1, be (the xnd in main carrier, 1) information bit value is 1 o'clock), represent that the PDU that this main carrier just passes retransmits on appendix ripple, the PDU that appendix ripple just passes retransmits on main carrier, displacement when namely the PDU of main appendix ripple retransmits.
The embodiment of the present invention also provides, and when each carrier wave all carries the identical PDU of corresponding service, utilizes CQI to determine a kind of mode of PDU length in each carrier wave, specific as follows:
In the time carrying identical PDU in each carrier wave, the PDU length that is to say this each carrier wave is also identical, and PDU length is determined by CQI, therefore in the case of adopting the mode of the PDU that each carriers carry is identical, receiving after CQI, need to carry out certain processing, can be as follows:
For example, any one the CQI value of selection (comprising maximum and minimum value) in the CQI receiving, as the foundation of determining PDU length;
Optionally, also can be using the mean value of all CQI that receive as the foundation of determining PDU length.
Determining after the mode of bearer service on multicarrier, can also process accordingly this PDU, for the transmission of multicarrier business, take two carrier waves as example:
If carry identical PDU in each carrier wave:
By the first identical identical PDU process processing, and then respectively through at least two kinds of second different processing, for sending multicarrier business, this above-mentioned first processing comprises code rate coupling and modulation, and this second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
In addition, for the situation of the identical PDU of multiple carriers carry, also can utilize following manner to send multicarrier business, specifically comprise:
For identical PDU arranges respectively different check codes, by the identical PDU with different check code respectively after at least two kinds different first are processed, again respectively through at least two kinds of second different processing, to utilize mixed automatic retransfer HARQ mode to send multicarrier business, above-mentioned the first processing comprises code rate coupling and modulation, and above-mentioned the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
If carry different PDU in each carrier wave:
By different PDU respectively after at least two kinds different first are processed, again respectively through at least two kinds of second different processing, for sending multicarrier business, above-mentioned the first processing comprises code rate coupling and modulation, and above-mentioned the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
To sum up above-mentioned, the embodiment of the present invention, utilizes channel quality indicator (CQI), and transmitting terminal determines the bearing mode of business in carrier wave according to channel circumstance, in the time of channel circumstance second-rate, all carries the PDU of corresponding service in each carrier wave of transmitting terminal; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the PDU of corresponding service different piece, can, strengthening in user experiences, improve the reliability of communication link or increase the coverage of community.
One embodiment of the invention also provides a kind of method of reseptance of service in multiple carriers, as shown in Figure 4, comprising:
Step 41, reception distribute Indication message.
Wherein, this distribution Indication message comprises the mode information of bearer service on multicarrier, and on this multicarrier, the mode information bit of bearer service indicates at least two carrier waves of multicarrier and carries identical protocol Data Unit PDU or different PDU.
Step 42, according to distribute Indication message the PDU in each carrier wave is inputted to corresponding decoder, to obtain the beared information of multicarrier business.
Optionally, above-mentioned distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication, and this carrier wave principal and subordinate retransmits and determines that indication shows main carrier and the mode from carrier wave or carrier data re-transmission;
In the time carrying identical PDU at least two carrier waves that the mode of bearer service on definite above-mentioned multicarrier is multicarrier, carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing;
In the time carrying different PDU at least two carrier waves that the mode of bearer service on the above-mentioned multicarrier of determining is multicarrier, carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits.
This carrier data re-transmission mode comprises that first carrier data re-transmission mode and the second carrier data retransmit mode; This first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave; This second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier.
Above-mentioned distribution Indication message can be contained among HS-SCCH order or HS-SCCH information, and receiving terminal retransmits definite indication according to the mode information of bearer service on the multicarrier distributing in Indication message or carrier wave principal and subordinate, and the PDU in carrier wave is processed.The set-up mode of concrete distribution indication information can be with reference to the associated description in embodiment above.
While carrying different PDU on each carrier wave, receiving terminal, by the PDU through on each carrier wave of corresponding detector, is inputted respectively each corresponding independently decoder;
In the time carrying identical PDU on multiple carrier waves, first receiving terminal will merge through the PDU on multiple carrier waves of corresponding detector, optional, can adopt high specific to merge MRC mode or Minimum Mean Square Error merging LMMSE mode or log-likelihood ratio LLR mode.In addition, describe in as previous embodiment utilize HARQ mode to send business datum time, also can adopt HARQ mode to merge, the PDU after merging is sent into decoder.
The embodiment of the present invention also provides the PDU that all carries corresponding service when each carrier wave, when the PDU that carries in each carrier wave is identical, to retransmitting the processing method of indication, can be:
Retransmit indication and only on main carrier, carry, no longer carry and retransmit indication from carrier wave, should the re-transmission indication from carrier wave replace with complete zero bit information.
The embodiment of the present invention, utilizes channel quality indicator (CQI), and transmitting terminal determines the PDU method of salary distribution of business in carrier wave according to channel circumstance, in the time of channel circumstance second-rate, in each carrier wave of transmitting terminal, carries the PDU that corresponding service is identical; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the different PDU of corresponding service, correspondingly, receiving terminal can switch between the different PDU methods of salary distribution,, can be in strengthening user's experience, improve the reliability of communication link or increase the scope that community covers.
One embodiment of the invention also provides a kind of service in multiple carriers dispensing device, as shown in Figure 5, comprising:
Service bearer mode determining unit 51, for determining the mode of bearer service on above-mentioned multicarrier, above-mentioned on multicarrier the mode of bearer service comprise and at least two carrier waves in multicarrier, carry identical protocol Data Unit PDU or different PDU;
Transmitting element 52, for sending business according to the mode of bearer service on the definite multicarrier of above-mentioned service bearer mode determining unit.
The method of work of service bearer mode determining unit 51 and transmitting element 52 in apparatus of the present invention embodiment can, with reference to the associated description in the inventive method embodiment, repeat no more herein.
One embodiment of the invention also provides a kind of service in multiple carriers dispensing device, as shown in Figure 6, comprising:
Service bearer mode determining unit 61, for carrying protocol Data Unit PDU that corresponding service is identical or different PDU, for sending multicarrier business on each carrier wave of multicarrier.
Above-mentioned service bearer mode determining unit 61 comprises:
Receiving element 611, for receiving at least one CQI;
Determining unit 612, for determine the mode of bearer service on above-mentioned multicarrier according to the above-mentioned CQI receiving, the bearing mode of above-mentioned PDU can comprise and on each carrier wave, carries identical PDU or different PDU.
Further, this determining unit 612 can comprise:
Judge module, for judging the relation of above-mentioned CQI and predetermined threshold value, judges whether above-mentioned CQI is not more than predetermined threshold value,
If be not more than, in above-mentioned each carrier wave, carry the PDU of above-mentioned corresponding service; Otherwise,
The PDU of above-mentioned corresponding service is divided into different at least two parts, in above-mentioned each carrier wave, carries the PDU that appropriate section is different.
Transmitting element 62, also for sending distribution Indication message, above-mentioned distribution Indication message comprises the mode information of bearer service on above-mentioned definite above-mentioned multicarrier; Above-mentioned distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication,
When the mode of bearer service on above-mentioned definite above-mentioned multicarrier is while carrying identical PDU at least two carrier waves in multicarrier, above-mentioned carrier wave principal and subordinate retransmits and determines that indication shows main carrier and from carrier wave;
When the mode of bearer service on above-mentioned definite above-mentioned multicarrier is while carrying different PDU at least two carrier waves in multicarrier, above-mentioned carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits.
In the time carrying the identical PDU of corresponding service in above-mentioned each carrier wave, above-mentioned service in multiple carriers dispensing device can also comprise:
PDU length determining unit, determines the PDU length on each carrier wave for the CQI receiving according to above-mentioned receiving element;
For example, any one the CQI value of selection (comprising maximum and minimum value) in the CQI receiving, as the foundation of determining PDU length;
Optionally, also can be using the mean value of all CQI that receive as the foundation of determining PDU length.
In addition, for the situation of the identical PDU of multiple carriers carry, also can utilize following manner to send multicarrier business, specifically comprise:
For identical PDU arranges respectively different check codes, by the identical PDU with different check code respectively after at least two kinds different first are processed, again respectively through at least two kinds of second different processing, to utilize mixed automatic retransfer HARQ mode to send multicarrier business, above-mentioned the first processing comprises code rate coupling and modulation, and above-mentioned the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.Therefore, above-mentioned service in multiple carriers dispensing device can further include:
Check code setting unit, is used to above-mentioned PDU that check code is set, to utilize HARQ mode to send multicarrier business.
The method of work of each functional module in apparatus of the present invention embodiment can, with reference to the associated description in the inventive method embodiment, repeat no more herein.
The embodiment of the present invention, utilizes channel quality indicator (CQI), and transmitting terminal determines the PDU method of salary distribution of business in carrier wave according to channel circumstance, in the time of channel circumstance second-rate, all carries the PDU of corresponding service in each carrier wave of transmitting terminal; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the PDU of corresponding service different piece, correspondingly, receiving terminal can switch between the different PDU methods of salary distribution, solve the problem that in prior art, cutting off rate is high, communication link reliability is low, thereby, can, in strengthening user's experience, improve the reliability of communication link.
The embodiment of the present invention also provides a kind of receiver, as shown in Figure 7, comprising:
Receiving element 71, be used for receiving distribution Indication message, above-mentioned distribution Indication message comprises the mode information of bearer service on above-mentioned multicarrier, above-mentioned on multicarrier the mode of bearer service comprise and at least two carrier waves in above-mentioned multicarrier, carry identical protocol Data Unit PDU or different PDU;
The embodiment of the present invention, utilizes channel quality indicator (CQI), and transmitting terminal determines the PDU method of salary distribution of business in carrier wave according to channel circumstance, in the time of channel circumstance second-rate, all carries the PDU of corresponding service in each carrier wave of transmitting terminal; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the PDU of corresponding service different piece, correspondingly, receiving terminal can switch between the different PDU methods of salary distribution, solve the problem that in prior art, cutting off rate is high, communication link reliability is low, thereby, can, in strengthening user's experience, improve the reliability of communication link.
In embodiments of the present invention, above-mentioned distribution Indication message can also comprise that carrier wave principal and subordinate retransmits definite indication, and whole displacements occurs the data retransmission being used to indicate on any two carrier waves, or the situation of the displacement of part occurs the data retransmission on any two carrier waves.
In the time carrying different PDU on each carrier wave, PDU processing unit 72, by the PDU through on each carrier wave of corresponding detector, is inputted respectively each corresponding independently decoder;
In the time carrying identical PDU on multiple carrier waves, first PDU processing unit 72 will merge through the PDU on multiple carrier waves of corresponding detector, and therefore above-mentioned PDU processing unit 72 can comprise:
Merge module, for the PDU of each carrier wave is merged into unified PDU;
Sending module, for sending the PDU after above-mentioned merging into corresponding decoder.
The mode that above-mentioned merging module carries out PDU to merge can comprise: high specific merges MRC mode or Minimum Mean Square Error merges LMMSE mode or log-likelihood ratio LLR mode, optionally, when utilize mixed automatic retransfer HARQ mode to send business datum time, also can adopt HARQ mode to merge.
Optionally, in the time carrying the PDU of above-mentioned corresponding service in above-mentioned each carrier wave, above-mentioned receiver can also comprise:
Retransmit indication processing unit, retransmit indication for carrying on main carrier, no longer carry above-mentioned re-transmission indication from carrier wave.
The embodiment of the present invention also provides a kind of transmitter, comprising: PDU dispatching device, the first processing unit, the second processing unit,
Above-mentioned PDU dispatching device, for according at least one CQI or determine the mode of bearer service on multicarrier according to high-level signaling, according to above-mentioned scheduling mode, business datum is sent at least one above-mentioned first processing unit, wherein, above-mentioned on multicarrier the mode of bearer service comprise at least two carrier waves of above-mentioned multicarrier and carry identical protocol Data Unit PDU or different PDU;
Above-mentioned the first processing unit, for above-mentioned business is carried out to code rate coupling and modulation, and result after treatment is sent into at least one above-mentioned second processing unit, above-mentioned the second processing unit is for carrying out spectrum-spreading and scrambling, root raised cosine filtering and upconversion process to the Output rusults of above-mentioned the first processing unit.
When being that each carrier wave is while all carrying the PDU of corresponding service by the method for salary distribution of the definite PDU of above-mentioned PDU dispatching device, in processing, rate-matched adopts the different situations of perforation pattern according to information data, describe the structure of transmitter below as an example of two carrier waves example, can comprise two kinds of situations:
The first situation: when the identical PDU of each carriers carry.
Optionally, above-mentioned PDU dispatching device is sent business datum into same the first processing unit according to the scheduling mode obtaining; This first processing unit is connected with two the second processing units, as shown in Figure 8.
Optionally, can utilize HARQ mode different check codes to be set for business identical PDU on each carrier wave, in order to send multicarrier business.
The information data bit (Information Bit) that is business is identical on two carrier waves, when check code (Parity) is different on two carrier waves, above-mentioned PDU dispatching device is sent business datum into respectively two the first processing units according to the scheduling mode obtaining; This first processing unit is connected with two the second processing units respectively again, as shown in Figure 9.
The second situation, in the time being the different PDU of each carriers carry.
When by the method for salary distribution of the definite PDU of above-mentioned PDU dispatching device being, when the PDU of each carriers carry corresponding service different piece, the structure of transmitter is:
Above-mentioned PDU dispatching device is sent business datum into respectively two the first processing units according to the scheduling mode obtaining; This first processing unit is connected with two the second processing units respectively, as shown in Figure 9.
As shown in figure 10, it is a kind of by change over switch (Switch) is set that the embodiment of the present invention also provides, and realizes the method for above-mentioned transmitter.Can adopt according to PDU and distribute indication to control the closure of this change over switch, carry out the switching between the PDU method of salary distribution.
In the time that switch shown in figure (K) is communicated with to a upper branch road, realize the structure of the transmitter of describing in above-mentioned the first situation; In the time that switch shown in figure (K) is communicated with to next branch road, realize the structure of the transmitter of describing in above-mentioned the second situation.
To sum up, the method and apparatus that the embodiment of the present invention provides, determine the service bearer mode in multicarrier, further, utilize channel quality indicator (CQI), transmitting terminal determines the PDU method of salary distribution of business in carrier wave according to channel circumstance, in the time of channel circumstance second-rate, all carry the PDU of corresponding service in each carrier wave of transmitting terminal; In the time that the quality of channel circumstance is better, in each carrier wave of transmitting terminal, carry the PDU of corresponding service different piece, correspondingly, receiving terminal can switch between the different PDU methods of salary distribution, solve the problem that in prior art, cutting off rate is high, communication link reliability is low, thereby, can, in strengthening user's experience, improve the reliability of communication link.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment, can complete by program command related hardware.The software that above-described embodiment is corresponding can be stored in a computer and can store in the medium reading.
Certainly; embodiments of the invention also can have a variety of; in the situation that not deviating from embodiments of the invention spirit and essence thereof; those skilled in the art are when making various corresponding changes and distortion according to embodiments of the invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of embodiments of the invention.
Claims (23)
1. a sending method for service in multiple carriers, is characterized in that, comprising:
According to the quality of channel circumstance, determine the mode of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU;
Send business according to the mode of bearer service on described definite multicarrier; Also comprise:
Send and distribute Indication message, described distribution Indication message comprises the mode information of bearer service on described definite multicarrier, and described distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication,
When the mode of bearer service on described definite multicarrier is while carrying identical PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing,
When the mode of bearer service on described definite multicarrier is while carrying different PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits; The mode that described carrier data retransmits comprises that first carrier data re-transmission mode and the second carrier data retransmit mode;
Described first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave;
Described the second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier.
2. the sending method of service in multiple carriers according to claim 1, is characterized in that, described according to the quality of channel circumstance, determines that the mode of bearer service on described multicarrier comprises:
Receive at least one channel quality indicator (CQI);
Determine the mode of bearer service on each carrier wave in described multicarrier according to the described CQI receiving.
3. the sending method of service in multiple carriers according to claim 2, is characterized in that, the CQI receiving described in described basis determines that the mode of bearer service on each carrier wave in described multicarrier further comprises:
The relation of the CQI receiving described in judgement and predetermined threshold value.
4. the sending method of service in multiple carriers according to claim 3, it is characterized in that, if described in the CQI that receives be all not more than default threshold value, on each carrier wave of described multicarrier, carry identical PDU, otherwise carry different PDU on each carrier wave in described multicarrier.
5. the sending method of service in multiple carriers according to claim 1, is characterized in that, described distribution Indication message is contained in high-speed shared control channel HS-SCCH order or HS-SCCH information.
6. the sending method of service in multiple carriers according to claim 2, is characterized in that, if carry identical PDU at least two carrier waves in described multicarrier, described method also comprises:
Determine the PDU length on each carrier wave according to the CQI of described reception.
7. the sending method of service in multiple carriers according to claim 6, is characterized in that, the described CQI according to described reception determines that the PDU length on each carrier wave comprises:
The CQI receiving according to any one determines the PDU length on described each carrier wave or determines the PDU length on described each carrier wave according to the average of the described CQI receiving.
8. the sending method of service in multiple carriers according to claim 1 and 2, is characterized in that, if carry identical PDU at least two carrier waves of described multicarrier,
By the first identical described identical PDU process processing, and then respectively through at least two kinds of second different processing, for sending multicarrier business, described the first processing comprises code rate coupling and modulation, and described the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
9. the sending method of service in multiple carriers according to claim 1 and 2, is characterized in that, if carry different PDU at least two carrier waves of described multicarrier,
By described different PDU respectively after at least two kinds different first are processed, again respectively through at least two kinds of second different processing, for sending multicarrier business, described the first processing comprises code rate coupling and modulation, and described the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
10. the sending method of service in multiple carriers according to claim 2, is characterized in that, if carry identical PDU at least two carrier waves of described multicarrier,
For described identical PDU arranges respectively different check codes, by the described identical PDU with different check code respectively after at least two kinds different first are processed, again respectively through at least two kinds of second different processing, to utilize mixed automatic retransfer HARQ mode to send multicarrier business, described the first processing comprises code rate coupling and modulation, and described the second processing comprises spectrum-spreading and scrambling, root raised cosine filtering and upconversion process.
The method of reseptance of 11. 1 kinds of service in multiple carriers, is characterized in that, comprising:
Receive and distribute Indication message, described distribution Indication message is included in the information of the mode of bearer service on multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU, described distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication
When the mode of bearer service on described definite multicarrier is while carrying identical PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing,
When the mode of bearer service on described definite multicarrier is while carrying different PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits, the mode that described carrier data retransmits comprises that first carrier data re-transmission mode and the second carrier data retransmit mode
Described first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave,
Described the second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier;
According to described distribution Indication message, the PDU in each carrier wave is inputted to corresponding decoder, to obtain the beared information of multicarrier business.
The method of reseptance of 12. service in multiple carriers according to claim 11, is characterized in that, described distribution Indication message is contained among HS-SCCH order or HS-SCCH information.
The method of reseptance of 13. service in multiple carriers according to claim 11, is characterized in that, described according to described distribution Indication message, the PDU in each carrier wave inputted to corresponding decoder and comprises:
PDU in each carrier wave is merged;
PDU after described merging is sent into corresponding decoder.
The method of reseptance of 14. service in multiple carriers according to claim 13, is characterized in that, the described PDU by each carrier wave merges the following mode that comprises:
High specific merges MRC mode or Minimum Mean Square Error merges LMMSE mode or log-likelihood ratio LLR mode or mixed automatic retransfer HARQ mode.
The method of reseptance of 15. service in multiple carriers according to claim 11, is characterized in that, if carry identical PDU in each carrier wave, after the step of described reception distribution Indication message, also comprises:
On described main carrier, carrying retransmits indication, describedly no longer carries described re-transmission indication from carrier wave.
The dispensing device of 16. 1 kinds of service in multiple carriers, is characterized in that, comprising:
Service bearer mode determining unit, be used for according to the quality of channel circumstance, determine the mode of bearer service on described multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in multicarrier, carry identical protocol Data Unit PDU or different PDU;
Transmitting element, for sending business according to the mode of bearer service on the definite multicarrier of described service bearer mode determining unit;
Described transmitting element is also for sending distribution Indication message, described distribution Indication message comprises the mode information of bearer service on described definite described multicarrier, described distribution Indication message comprises the mode information of bearer service on described definite described multicarrier, described distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication
When the mode of bearer service on described definite described multicarrier is while carrying identical PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing,
When the mode of bearer service on described definite described multicarrier is while carrying different PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits, described carrier data re-transmission mode comprises that first carrier data re-transmission mode and the second carrier data retransmit mode
Described first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave,
Described the second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier.
The dispensing device of 17. service in multiple carriers according to claim 16, is characterized in that, described service bearer mode determining unit comprises:
Receiving element, for receiving at least one CQI;
Determining unit, determines the mode of bearer service on described multicarrier for the CQI receiving described in basis.
The dispensing device of 18. service in multiple carriers according to claim 17, is characterized in that, described determining unit further comprises:
Judge module, for the relation of the CQI that receives described in judging and predetermined threshold value, described determining unit is determined the mode of bearer service on described multicarrier according to the result of described judge module.
The dispensing device of 19. service in multiple carriers according to claim 17, is characterized in that, if carry identical PDU in described multiple carrier wave, described dispensing device also comprises:
PDU length determining unit, determines the PDU length on each carrier wave for the CQI receiving according to described receiving element.
The dispensing device of 20. service in multiple carriers according to claim 16, is characterized in that, if carry identical PDU in each carrier wave, described transmitting element also comprises:
Check code arranges module, is used to described PDU that check code is set, to utilize HARQ mode to send multicarrier business.
21. 1 kinds of receivers, is characterized in that, comprising:
Receiving element, be used for receiving distribution Indication message, described distribution Indication message is included in the information of the mode of bearer service on multicarrier, described on multicarrier the mode of bearer service comprise and at least two carrier waves in described multicarrier, carry identical protocol Data Unit PDU or different PDU, described distribution Indication message also comprises that carrier wave principal and subordinate retransmits definite indication
When the mode of bearer service on described definite multicarrier is while carrying identical PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows that PDU belongs to main carrier still from carrier wave in the time just passing,
When the mode of bearer service on described definite multicarrier is while carrying different PDU at least two carrier waves in multicarrier, described carrier wave principal and subordinate retransmits and determines that indication shows the mode that carrier data retransmits, described carrier data re-transmission mode comprises that first carrier data re-transmission mode and the second carrier data retransmit mode
Described first carrier data re-transmission mode is that the data that main carrier just passes retransmit on main carrier, and the data that just pass from carrier wave are retransmitting from carrier wave,
Described the second carrier data re-transmission mode is that the data that main carrier just passes are retransmitting from carrier wave, and the data that just pass from carrier wave retransmit at main carrier;
PDU processing unit, for sending the PDU of each carrier wave into corresponding decoder according to described distribution Indication message, to obtain the beared information of multicarrier business.
22. receivers according to claim 21, is characterized in that, described PDU processing unit comprises:
Merge module, for the PDU of each carrier wave is merged;
Sending module, for sending the PDU after described merging into corresponding decoder.
23. receivers according to claim 21, is characterized in that, if carry identical PDU in each carrier wave, described receiver also comprises:
Retransmit indication processing unit, retransmit indication for carrying on main carrier, no longer carry described re-transmission indication from carrier wave.
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| EP3913842A1 (en) * | 2010-01-11 | 2021-11-24 | QUALCOMM Incorporated | Method for communicating with data through component carriers in mobile communication system to which carrier aggregation method is applied and apparatus therefor |
| KR101265646B1 (en) | 2010-02-24 | 2013-05-24 | 엘지전자 주식회사 | Apparatus and method for transmitting ul feedback information for carrier over a ul feedback channel in a multicarrier system |
| CN105743619B (en) * | 2014-12-26 | 2020-10-27 | 北京三星通信技术研究有限公司 | Method and apparatus for hybrid automatic repeat request (HARQ) transmission |
| US10375600B2 (en) | 2015-04-09 | 2019-08-06 | Huawei Technologies Co., Ltd. | Data retransmission method, device, and system |
| CN109245870B (en) * | 2017-06-16 | 2021-12-28 | 华为技术有限公司 | Method for processing radio link failure, terminal equipment and base station |
| CN109937589B (en) | 2017-08-11 | 2021-03-23 | 华为技术有限公司 | Method and apparatus for transmitting and receiving data |
| CN110710289A (en) * | 2017-11-02 | 2020-01-17 | Oppo广东移动通信有限公司 | Data sending method and terminal in Internet of vehicles |
| CN110167201B (en) | 2018-09-30 | 2022-05-17 | 腾讯科技（深圳）有限公司 | Data transmission method, related device and system |
| CN110365459B (en) * | 2019-05-23 | 2021-05-18 | 华为技术有限公司 | Uplink HARQ transmission method and communication device |
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| CN1809980A (en) * | 2003-06-30 | 2006-07-26 | 松下电器产业株式会社 | Transmission method, transmission apparatus and communication system |
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