CN102326353A - Method for performing hybrid automatic repeat request operation in wireless mobile communication system - Google Patents

Abstract

A method for performing a Hybrid Automatic Repeat reQuest (HARQ) operation in a wireless mobile communication system that uses Frequency Division Duplex (FDD) or Time Division Duplex (TDD) frames each having a plurality of subframes for communication are provided, in which an HARQ timing including a transmission time of a data burst and a transmission time of an HARQ feedback, for DL HARQ is determined according to data burst assignment information transmitted in a #l DownLink (DL) subframe of a #i frame, and an HARQ operation is performed according to the determined HARQ timing. At least one frame index and at least one subframe index that represent the HARQ timing are determined by using l and i.

Description

Be used for carrying out the automatic repeat requests method of operating of mixing at mobile radio system

Technical field

The present invention relates to mobile radio system.More specifically, the present invention relates to be used for carry out the automatic repeat requests of mixing (Hybrid Automatic Repeat reQuest, HARQ) method of operating at mobile radio system.

Background technology

Mobile radio system is provided miscellaneous service by exploitation, comprises broadcasting service, multimedia video business, Multimedia Messaging Service or the like.Develop under the such target of mobile radio system of future generation:, and 1Gbps or above data service are provided for the user who moves at a slow speed for the user of fast moving provides 100Mbps or above data service.

In mobile radio system,, need the control expense and the short time delay that reduce for reliable data in high speed transmission and the reception between base station (BS) and mobile radio station (MS).In order to reduce control expense and time delay, can adopt automatic repeat requests (HARQ) technology of mixing.

In the mobile radio system of realizing HARQ; When the signal that will carry data when reflector sends to receiver; Receiver is to reflector feedback acknowledgment (ACK) signal or NACK (NACK) signal, the successful reception of ack signal index signal, the taking defeat of NACK signal index signal.When receiving ACK or NACK signal, reflector begins to send new data or retransmits the data of having sent to receiver according to the HARQ scheme.The HARQ scheme can be categorized as two types, promptly Chase merge (Chase Combining, CC) and incremental redundancy (Incremental Redundancy, IR).

In HARQ operating period is that the basis is carried out and sent and receive with the frame, does like this and can not reduce time delay.Therefore, need be able to shorten the new frame structure of the time delay of signal transmission and reception, and the HARQ operation timing structure (HARQ operation timing structure) that is used to realize new frame structure.

Summary of the invention

Technical problem

Problem and/or shortcoming that one side of the present invention will be mentioned more than will handling at least, and the advantage that is described below is provided at least.Therefore, one side of the present invention will provide a kind of being used for to mix automatic repeat requests (HARQ) method of operating in mobile radio system control.

Another aspect of the present invention will provide a kind of method, be used for confirming to send bursty data (data burst) at mobile radio system, sending HARQ feedback that is used for bursty data and the timing of retransmitting bursty data.

Of the present inventionly also on the one hand a kind of method will be provided, and be used for coming definite neatly HARQ operation timing with system capability according to the transmission time interval of the bursty data of wireless communication system.

Technical scheme

According to an aspect of the present invention; Provide one to be used for carrying out the HARQ method of operating at mobile radio system; The frame that said mobile radio system uses each to have a plurality of subframes communicates; In said method, the bursty data assignment information of sending in #l down link (DL) subframe according to the #i frame is confirmed HARQ regularly, for DL HARQ; Said HARQ regularly comprises the transmitting time of DL bursty data and the transmitting time of HARQ feedback, and regularly carries out the HARQ operation according to the HARQ that confirms.Through using l and i to confirm expression HARQ at least one frame index regularly and at least one subframe index.

According to a further aspect in the invention; Provide a kind of being used for to carry out the HARQ method of operating at mobile radio system; The frame that said mobile radio system uses each to have a plurality of subframes communicates, and in said method, the bursty data assignment information of sending in #l down link (DL) subframe according to the #i frame confirms that HARQ regularly; For UL HARQ; Said HARQ regularly comprises the transmitting time of up link (UL) bursty data, the transmitting time of HARQ feedback, and the repeating transmission time of bursty data, and regularly carries out the HARQ operation according to the HARQ that confirms.Through using l and i to confirm expression HARQ at least one frame index regularly and at least one subframe index.

From having combined disclosing of accompanying drawing as follows the detailed description of example embodiment of the present invention, other aspects of the present invention, advantage and notable feature will become clear to those skilled in the art.

Description of drawings

From the detailed description that combines accompanying drawing as follows, above and other aspects of particular exemplary embodiment of the present invention, feature and advantage will become clearer, wherein:

Fig. 1 illustrates FDD (Frequency Division Duplex, the FDD) superframe structure of the example embodiment according to the present invention;

Fig. 2 illustrates time division duplex (Time Division Duplex, the TDD) superframe structure of the example embodiment according to the present invention;

Fig. 3 illustrates the automatic repeat requests of mixing (Hybrid Automatic Repeat reQuest, the HARQ) diagrammatic sketch of operation timing structure example embodiment, that be used for down link (DL) the bursty data transmission at FDD according to the present invention;

Fig. 4 illustrates diagrammatic sketch example embodiment, that be used for the HARQ operation timing structure of up link (UL) the bursty data transmission at FDD according to the present invention;

Fig. 5 is the diagrammatic sketch that HARQ operation timing structure according to the present invention example embodiment, that be used for sending at the DL of TDD bursty data is shown;

Fig. 6 is the diagrammatic sketch that HARQ operation timing structure according to the present invention example embodiment, that be used for sending at the UL of TDD bursty data is shown;

Fig. 7 be illustrate according to the present invention example embodiment, in the situation of two different coexistence of systems, the diagrammatic sketch of the HARQ operation timing structure that is used for sending at the DL of TDD bursty data;

Fig. 8 be illustrate according to the present invention example embodiment, in the situation of two different coexistence of systems, the diagrammatic sketch of the HARQ operation timing structure that is used for sending at the UL of TDD bursty data;

Fig. 9 is the diagrammatic sketch that HARQ operation timing structure according to the present invention another example embodiment, that be used for sending at the DL of FDD bursty data is shown;

Figure 10 is the diagrammatic sketch that HARQ operation timing structure according to the present invention another example embodiment, that be used for sending at the DL of TDD bursty data is shown;

Figure 11 to Figure 14 be illustrate according to the present invention example embodiment, based on the diagrammatic sketch of DL to the HARQ operation timing structure of UL ratio;

Figure 15 illustrate according to the present invention example embodiment, the frame structure in the mobile radio system of supporting relay station (RS);

Figure 16 illustrates relay station example embodiment, in TDD (RS) frame structure according to the present invention;

Figure 17 illustrates diagrammatic sketch example embodiment, that be used for the HARQ operation timing structure of strange jumping (odd-hop) RS according to the present invention;

Figure 18 illustrates diagrammatic sketch example embodiment, that be used for the HARQ operation timing structure of even jumping (even-hop) RS according to the present invention; And

Figure 19 and Figure 20 be illustrate according to the present invention example embodiment, be used for diagrammatic sketch according to the signal flow of operation DL HARQ timing architecture and UL HARQ timing architecture, between base station (BS) and mobile radio station (MS).

Spread all over accompanying drawing, with noticing that similar reference number is used to describe identical or similar element, characteristic and structure.

Embodiment

Provide following description with reference to accompanying drawing to help complete understanding to the example embodiment of the present invention that limits claim and equivalent thereof.This description comprises with the various details of helping understand, but will to be considered to only be exemplary to these details.Therefore, those those of ordinary skills will be appreciated that, can carry out various changes and modification and will not depart from the scope of the present invention and spirit embodiment described here.In addition, for clear and simple and clear, with the description of omitting to known function and structure.

Term that uses in description below and the claim and word are not limited to their lexical meaning, but only are used for making understanding of the present invention can know with consistent by the inventor.Therefore, provide the following description of example embodiment of the present invention to be merely illustration purpose to it will be clear to someone skilled in the art that, rather than the purpose for the present invention by accompanying claims and equivalent definition thereof is limited.

Be that singulative " ", " one " and " being somebody's turn to do " comprise plural form, only if context is pointed out in addition clearly with should be appreciated that.Thereby, for example, mention that " assembly surface " comprises quoting one or more such surfaces.

Example embodiment of the present invention concentrates on a kind of method; Be used for utilizing predetermined HARQ to retransmit time delay and carry out the automatic repeat requests of mixing (HARQ) operation at mobile radio system; Said mobile radio system with FDD (FDD), time division duplex (TDD), half-duplex FDD (Half duplex-FDD, H-FDD) or the mode of FDD and TDD operate.In TDD or H-FDD, can dispose frame to the ratio of up link (UL) with multiple down link (DL).Therefore, DL duration and UL duration can be symmetries or asymmetric in frame.

Hereinafter, will to according to the HARQ scheme, based on the base station (BS) of superframe structure with the signal between the mobile radio station (MS) sends and reception is described.Each superframe comprises one or more frames, and each frame has one or more subframes.Term " subframe " can exchange with " time slot (time slot) " and use.Each time slot or subframe comprise one or more OFDMs (OFDMA) symbol.

In an embodiment, each among BS and the MS can comprise: controller is used for generating and analyzing burst allocation information, confirm the HARQ transmitting time according to frame structure and the HARQ operation timing described after a while; At least one HARQ processor is used for timing definite under the control of controller, generates and analyze bursty data and HARQ feedback; And transceiver, be used for sending and receive burst allocation information, bursty data and HARQ and feed back.For example, the bursty data assignment information can be used as the senior MAP that allocated resource distributes (Advanced MAP, A-MAP) information element (IE) transmits, and can divide into groups with HARQ that the operation according to HARQ the generates form of (subpacket) of bursty data is sent.

Fig. 1 illustrates the FDD superframe structure of the example embodiment according to the present invention.

With reference to Fig. 1, superframe 100 comprises four frames 110, and each frame has eight sub-frame.In FDD, point to the DL subframe 120 of MS from BS and occupy different frequency bands with the UL subframe 130 of pointing to BS from MS.

Fig. 2 illustrates the TDD superframe structure of the example embodiment according to the present invention.

With reference to Fig. 2, superframe 200 comprises four frames 210, and each frame has eight sub-frame 220.In TDD, in each frame, as the DL subframe, and remaining subframe is as the UL subframe with the subframe of predefine quantity in the middle of whole subframes.In the situation of the Fig. 2 that illustrates, DL is 5: 3 to the UL ratio, and this is hinting and is defining five DL subframes during the DL period and during the UL period, defining three UL subframes.Transmission/reception change gap (TTG) 230 is inserted between the UL subframe of DL subframe and back, and reception/transmission change gap (RTG) 240 is inserted between the DL subframe of UL subframe and back.

Though comprise four frames at each superframe shown in Fig. 1 and Fig. 2, each frame has eight sub-frame, the number of frames N of each superframe and the sub-frame number F of each frame can depend on bandwidth and the sub-carrier separation of mobile radio system and change.In OFDM/OFDM (OFDM/OFDMA) mobile radio system of channel width with 5MHz, 10MHz and 20MHz; Each frame can have eight sub-frame; And in the OFDM/OFDMA of the channel width with 8.75MHz mobile radio system, the sub-frame number of each frame can be 7.In addition, the OFDM/OFDMA mobile radio system that has the channel width of 7MHz can have six sub-frame by each frame.In addition, for given bandwidth, (Cyclic Prefix, CP) length, the sub-frame number of each frame can be different according to Cyclic Prefix.

In HARQ, initialization regularly can place certain mapping relations with retransmitting regularly.These mapping relations are known as HARQ operation timing structure or HARQ interweaves (interlace).HARQ operation timing structure or HARQ interweave and refer to following relation: in the subframe of carrying MAP message with carry the relation between the subframe of signal; Said MAP message comprises that resource allocation information (promptly; Control information), said signal is relevant with said subframe of carrying MAP message; In the subframe of carrying said signal with carry the relation between the subframe of the feedback that is used for said signal; And in said feedback subframe with according to the relation between the subframe of carrying initialization data or retransmission data of said feedback.Provide the more detailed description that HARQ operation timing structure or HARQ interweave below.

(1) bursty data distributes IE: DL bursty data or UL bursty data in its indication DL subframe.

(2) bursty data: reflector distributes IE in the resource of distributing, to send bursty data according to bursty data.

(3) for the HARQ feedback of the bursty data that receives: receiver is according to whether having been found that in the bursty data that receives error sends ACK or NACK signal.

(4) according to the initialization of the bursty data of HARQ feedback or the repeating transmission of bursty data: reflector is retransmitted bursty data when receiving the NACK signal.The resource allocation information that reflector can also be provided for retransmitting.On the other hand, when receiving ack signal, reflector can initially send new bursty data.

The HARQ scheme can be categorized as asynchronous HARQ and synchronous HARQ.The HARQ operation timing structure of being appointed as (1), (2) and (3) need be defined for asynchronous HARQ, and the HARQ operation timing structure of being appointed as (1) to (4) need be defined for synchronous HARQ.In order to define these HARQ operation timing structures, DL at least one DL subframe in the period should be in the predefined mapping relations with UL at least one UL subframe in the period.

The HARQ operation timing that now detailed description is used for FDD and tdd mode.

Fig. 3 illustrates the diagrammatic sketch of analyzing the HARQ operation timing structure of DL bursty data transmission example embodiment, that be used for FDD according to the present invention.As shown in Figure 3, be used for HARQ operation timing structure that the DL bursty data of FDD sends and be based on that the FDD frame structure shown in Fig. 1 designs.The number of frames N that supposes each superframe is 4, and the sub-frame number F of each frame is 8, and transmission/reception (Tx/Rx) processing time that is used for bursty data be 3 sub-frame, DL HARQ feedback shift z is 0, and DL HARQ to send skew u be 0.The Tx processing time is defined as after the reflector place receives the HARQ feedback and sends the required time of next data, and the Rx processing time is defined as and after receiver receives data, sends HARQ and feed back the required time.

With reference to Fig. 3, send bursty data assignment information and DL bursty data in the #1 DL subframe (that is first DL subframe) 300 of the #i frame (that is i frame) of reflector in the DL frequency band.Send the HARQ feedback that is used for the DL bursty data subsequently in the #5UL subframe 310 of the #i frame of receiver in the UL frequency band.If the HARQ feedback is the NACK signal, then retransmit bursty data in the #1 DL subframe 320 of # (i+1) frame of reflector in the DL frequency band.For the bursty data of retransmitting, send the HARQ feedback in the #5UL subframe 330 of # (i+1) frame of receiver in the UL frequency band.

With reference to following form 1 above-mentioned HARQ operation is described; The index n that carries the subframe of HARQ feedback is 5; And { ceil (1+4) mod 8} confirms that the index j that carries the frame of HARQ feedback is i, and { i+floor (ceil (1+4)/8)+0}mod 4 confirms through calculating through calculating; And the index k that carries the frame of retransmitting the HARQ bursty data is i+1, and { j+floor ((5+4)/8)+0}mod 4 confirms through calculating." ceil " rounds up independent variable more than or equal to the immediate integer of this independent variable, and " floor " is rounded to the immediate integer that is less than or equal to this independent variable downwards with independent variable.

Form 1 will be according to the present invention the FDD DL HARQ operation timing structure of example embodiment tabulate.Form 1 can be used for confirming the transmitting time of following at least one: have that the distribution A-MAP of bursty data assignment information, HARQ that carries bursty data divide into groups, HARQ feeds back (ACK or NACK) and HARQ retransmission sub-packet.It should be understood, however, that form 1 should not be interpreted as limitation of the present invention.

Form 1

In form 1, N representes the number of frames of each superframe.If each superframe comprises four sub-frame, then N is 4.F representes the sub-frame number of each frame.For example, be N=4 and F=8 under the situation of 5MHz, 10MHz and 20MHz in bandwidth.I, j and k represent DL frame index or UL frame index.L representes to carry the index of the DL subframe of bursty data assignment information, and m representes to carry the index of the DL subframe of initialization bursty data, and n representes to carry the index of UL subframe of the HARQ feedback of the bursty data that is used to receive.In addition, z representes DL HARQ feedback shift, and u representes DL HARQ Tx skew.Z and u both are expressed as the quantity of frame.Therefore, i=0,1 ..., N-1, j=0,1 ..., N-1, l=0, N _A-MAP..., N _A-MAP(ceil (F/N _A-MAP)-1), n=0,1 ..., F-1, m=0,1 ..., F-1, z=0,1 ..., z _Max-1, and u=0,1 ..., u _Max-1.

N _A-MAPThe period of bursty data assignment information is sent in expression, is expressed as the quantity of subframe.The bursty data assignment information is transmitted in typical MAP message or A-MAP message.If in each DL subframe, send bursty data assignment information, then N _A-MAPBe 1.If at every bursty data assignment information, then N of in a DL subframe, sending _A-MAPBe 2.In this case, l=0,2 ..., 2 (ceil (F/2)-1).

Send and reception F=8, N=4, z=0 and u=0 for the FDD DL HARQ shown in Fig. 3.The #m DL subframe of the DL bursty data assignment information indication #i frame that in the #lDL of #i frame subframe 300, sends.When at each DL subframe (that is N, _A-MAPWhen sending the bursty data assignment information=1), the bursty data that the indication of bursty data assignment information begins in this DL subframe sends.That is to say m=l.On the other hand, when every at a distance from a DL subframe (that is N, _A-MAPWhen sending the bursty data assignment information=2), the bursty data that the bursty data assignment information indication in the #lDL subframe begins in #l or # (l+1) DL subframe sends.That is to say that m is l or (l+1).Indication l or relevant information (l+1) are included in the bursty data assignment information.

Bursty data through the indication of bursty data assignment information can occupy one or more DL subframes.The Transmission Time Interval (TTI) of the bursty data that in #m DL subframe, begins is by N _TTIExpression.That is to say N _TTIThe quantity of the subframe that the expression bursty data is crossed over.For example, N _TTICan be preestablished (preset) or informed (signaled) with signal through the bursty data assignment information.If bursty data is crossed over a sub-frame, then N _TTI=1, and if bursty data is crossed over four sub-frame, N then _TTI=4.

The HARQ feedback that is used for the bursty data that its #m DL subframe that is sent in the #i frame begins is sent in the #n of #j frame UL subframe.According to the index of the subframe of carrying bursty data, m, n are given as:

n＝ceil(m+F/2)mod?F.....(1)

Confirm to carry the index j of the UL frame of HARQ feedback according to the subframe index m of bursty data and frame index i.Vertical shift is to produce through the time slot (time gap) between the transmitting time of completion of sending at bursty data and HARQ feedback.Computes is passed through in the time slot that is expressed as Gap1:

Gap1＝ceil(F/2)-N _TTI.....(2)

N wherein _TTIBe illustrated in the TTI of the bursty data in the DL HARQ operation, N _TTIBe represented as the quantity of subframe, and F representes the sub-frame number of each frame.

Because the link period in the FDD system is continuous, thus confirm Gap1 according to the TTI of DL burst and the sub-frame number of each frame, and no matter subframe index.

In DL HARQ, DL HARQ feedback shift z is set so that the Gap1 that describes like equality (2) is equal to or greater than the Rx processing time.For example, if Gap1 is equal to or greater than the Rx processing time, z=0 then is if instead Gap1 is less than Rx processing time, then z=1.The value of adjustment z is sent the HARQ feedback so that in the frame that postpones, have in the subframe of identical index.In fact, z is the skew that is expressed as the quantity of frame, and this does not also mean that the index that has changed the subframe of carrying the HARQ feedback.

In case after confirming z in such a way, j is:

$j=(i+\mathrm{floor}\left(\frac{\mathrm{ceil}(m+F/2)}{F}\right)+z)\mathrm{mod}N\·\·\·\·\·\left(3\right)$

When in asynchronous HARQ, retransmitting the DL bursty data, indicate the repeating transmission time of DL bursty data through being included in repeating transmission designator in the bursty data assignment information.Simultaneously, if in synchronous HARQ, retransmit the DL bursty data, then in the #m of #k frame subframe, retransmit.With reference to form 1, confirm said frame index k based on the index j of the frame that carries HARQ feedback, and it is identical with the index of the subframe of the previous transmission of transmission bursty data to carry the index m of subframe of bursty data of repeating transmission.Vertical shift is to produce through the time slot between the repeating transmission time of transmitting time of feeding back at HARQ and bursty data.The time slot that is expressed as Gap2 is provided by following formula:

Gap2＝floor(F/2)-N _CTRL，TTI.....(4)

N wherein _{CTRL, TTI}Be illustrated in the TTI of the HARQ feedback in the DL HARQ operation, and F representes the sub-frame number of each frame.Because the link period in the FDD system is continuous, thus Gap2 confirm according to the TTI of UL feedback and the sub-frame number of each frame, and no matter subframe index.The HARQ feedback is crossed over a sub-frame usually.

In DL HARQ, DL HARQ Tx skew u is set so that the Gap2 that describes like equality (4) is equal to or greater than the Tx processing time.For example, if Gap2 is equal to or greater than the Tx processing time, u=0 then is if instead Gap2 is less than Tx processing time, then u=1.The value of adjustment u is so that send next HARQ data in the frame that postpones.In fact, u is the skew that is expressed as the quantity of frame, and this does not also mean that the index that has changed the subframe of carrying the HARQ data.

In case after determining u in such a way, k is:

$k=(j+\mathrm{floor}\left(\frac{m+F/2}{F}\right)+u)\mathrm{mod}N\·\·\·\·\·\left(5\right)$

As stated, if not guaranteeing to be used to handle sends the required time of signal, then the HARQ time of retransmitting possibly postpone a frame (that is, u=1).Here, time (Tx processing time) of needing of statement " time sufficient " expression processing signals transmissions and processing signals receptions need time (Rx processing time) above the reference value of knowledge in the sixth of the twelve Earthly Branches.This reference value is by system's initial setting up or broadcasting.

If frame index j and k are equal to or greater than the number of frames N of each superframe, then the index of superframe increases by 1, and obtains frame index j and k through mould (modulo) formula of calculation equation (3) and equality (5).See figures.1.and.2, can consider N=4.

With reference to equality (2) and equality (4), in FDD, can confirm DL HARQ feedback shift z and DL HARQ Tx skew u according to the TTI (TTI of bursty data or feedback) of HARQ operation and the signal handling capacity of the system's (reflector and receiver) among the FDD.Can preestablish or broadcast the information of signal handling capacity by system.Can also be with in system configuration information, broadcasting z according to the system operation scheme and u is interpreted as another example embodiment.

Fig. 4 illustrates the diagrammatic sketch of analyzing the HARQ operation timing structure of UL bursty data transmission example embodiment, that be used for FDD according to the present invention.The number of frames N that supposes each superframe is 4, and the sub-frame number F of each frame is 8, and the Tx/Rx processing time be 3 sub-frame, UL HARQ feedback shift w is 0, and UL HARQ Tx skew v is 0.

With reference to Fig. 4, when the bursty data assignment information in the #1 DL of the #i frame in the DL frequency band subframe 400 is received, send the UL bursty data in the #5UL subframe 410 of the #i frame of reflector in the UL frequency band.Whether the bursty data according to receiving has error, sends the HARQ feedback in the #1 DL subframe 420 of # (i+1) frame of receiver in the DL frequency band.If the HARQ feedback is the NACK signal, then retransmit bursty data in the #5UL subframe 430 of # (i+1) frame of reflector in the UL frequency band.If DL subframe 420 is carried the bursty data assignment information that indication UL burst is retransmitted, then carry out the UL bursty data and retransmit according to the bursty data assignment information.

With reference to following form 2 above-mentioned HARQ operation is described; The index j that carries the frame of UL bursty data is i; And { i+floor (ceil (1+4)/8)+0}mod 4 confirms that the index m that carries the subframe of UL bursty data is 5, and { ceil (1+4) mod 8} confirms through calculating through calculating; And the index k that carries the frame of HARQ feedback is i (j=i)+1, and { j+floor ((5+4)/8)+0}mod 4 confirms through calculating.The index that carries the subframe of HARQ feedback is l.If HARQ feedback is the NACK signal, the index that then carries the frame of retransmitting the HARQ bursty data is i+1, and confirms through calculating (k+floor (ceil (1+4)/8)+0) mod 4, and the index m that carries the subframe of retransmitting the HARQ bursty data is 5.The FDD UL HARQ operation timing structure of form 2 example embodiment according to the present invention is tabulated.Form 2 can be used for confirming the transmitting time of following at least one: have that the distribution A-MAP of bursty data assignment information, HARQ that carries bursty data divide into groups, HARQ feeds back (ACK or NACK) and HARQ retransmission sub-packet.It should be understood, however, that form 2 should not be interpreted as limitation of the present invention.

Form 2

In form 2, N representes the number of frames of each superframe.If each superframe comprises four sub-frame, then N is 4.F representes the sub-frame number of each frame.I, j, k and p represent DL frame index or UL frame index.L representes to carry the index of the DL subframe of bursty data assignment information, and m is illustrated in the index of the UL subframe that bursty data wherein begins to be sent out, and w representes UL HARQ feedback shift, and v representes UL HARQ Tx skew.W and v both are expressed as the quantity of frame.Therefore, i=0,1 ..., N-1, j=0,1 ..., N-1, k=0,1 ..., N-1, p=0,1 ..., N-1, l=0, N _A-MAP..., N _A-MAP(ceil (F/N _A-MAP)-1), m=0,1 ..., F-1, n=0,1 ..., F-1, w=0,1 ..., w _Max-1, and v=0,1 ..., v _Max-1.

N _A-MAPThe period of bursty data assignment information is sent in expression, is expressed as the quantity of subframe.If in each DL subframe, send bursty data assignment information, then N _A-MAPBe 1.If at every bursty data assignment information, then N of in a DL subframe, sending _A-MAPBe 2.In this case, l=0,2 ... 2 (ceil (F/2)-1).

In FDD UL HARQ sent and receives, the bursty data that the UL bursty data assignment information indication of in the #l of #i frame DL subframe, sending begins in the #m of #j frame UL subframe sent.When at each DL subframe (that is N, _A-MAPWhen sending the bursty data assignment information=1), the bursty data that the indication of bursty data assignment information begins in the #nUL subframe sends.That is to say m=n.On the other hand, when every at a distance from a DL subframe (that is N, _A-MAPWhen sending the bursty data assignment information=2), the bursty data that the bursty data assignment information indication in #l DL subframe begins in #n or # (n+1) UL subframe sends.That is to say that m is n or (n+1).Indication n or relevant information (n+1) are included in the bursty data assignment information.Here, n is given as n=ceil (l+F/2) mod F.

Bursty data through the indication of bursty data assignment information can occupy one or more UL subframes.Pass through N _TTIThe TTI of expression bursty data.N _TTIInform with signal through the bursty data assignment information.

The HARQ feedback that is used for the bursty data that its #m UL subframe that is sent in the #j frame begins is sent in the #l of #k DL subframe.That is to say, in having the subframe of same index, send bursty data assignment information and HARQ feedback.According to subframe index m and frame index j, as described in form 2, confirm frame index k.

Can pass through equality (2) and equality (4) and calculate UL HARQ Tx skew v and the UL HARQ feedback shift w that in form 2, describes.When bursty data assignment information or HARQ feedback is received, for burst transfer or retransmit and consider UL HARQ Tx skew v.

When in asynchronous HARQ, retransmitting the UL bursty data, the position through the bursty data assignment information be included in repeating transmission designator in the bursty data assignment information and indicate the repeating transmission time of UL bursty data.Simultaneously, if in synchronous HARQ, retransmit the UL bursty data, then in the #m of #p frame subframe, retransmit.With reference to form 2, confirm frame index p according to subframe index l and frame index k.

UL HARQ Tx skew v is illustrated in the time interval between the transmitting time of transmitting time and UL bursty data of DL burst allocation information or DL HARQ feedback, and this skew v is expressed as the quantity of frame.Consider that Gap1 ' confirms UL HARQ Tx skew v, replaces the TTI that becomes the DL bursty data, the N in equality (2) through the TTI with bursty data assignment information or HARQ feedback _TTI, calculate Gap1 '.Usually, bursty data assignment information or HARQ feedback is crossed over a sub-frame.

In UL HARQ, UL HARQ Tx skew v is set so that Gap1 ' is equal to or greater than the Tx processing time.For example, if Gap1 ' is equal to or greater than the Tx processing time, v=0 then is if instead Gap1 ' is less than Tx processing time, then v=1.

UL HARQ feedback shift w is illustrated in the time interval between the transmitting time that UL bursty data completion of sending and the DL HARQ that is used for the UL bursty data feed back, and this skew w is expressed as the quantity of frame.Consider that Gap2 ' confirms UL HARQ feedback shift w, for DL HARQ operation, the TTI that replaces with the HARQ feedback through the TTI with the UL bursty data calculates Gap2 ' in equality (4).

In UL HARQ, w is set so that Gap2 ' is equal to or greater than the Rx processing time.For example, if Gap2 ' is equal to or greater than the Rx processing time, w=0 then is if instead Gap2 ' is less than Rx processing time, then w=1.

As stated, confirm UL HARQ Tx skew v and ULHARQ feedback shift w according to the TTI (TTI of bursty data or feedback) of HARQ operation and the signal handling capacity of the system's (reflector and receiver) among the FDD.Can preestablish or broadcast information by system about signal handling capacity.Can also be with in system configuration information, predefined value being broadcast as w according to the system operation scheme and v is interpreted as the embodiment that another is exemplary.If frame index j, k and p are equal to or greater than N in form 2, then superframe index s increases by 1, and frame index j, k and p are the values that obtains through the mould formula of describing in the computation sheet 2.

In tdd mode, each frame comprises DL subframe and UL subframe.According to example embodiment of the present invention, fetch the link that division has more subframes based on chain, thereby the DL subframe is mapped to the UL subframe with certain rule with less subframe.Divide each zone that obtains by link and comprise one or more subframes, and be mapped to a sub-frame of link with less subframe.That is to say that according to example embodiment of the present invention, the M sub-frame is divided into N zone, and (M＞N), each subframe is in the predefined mapping relations.To further describe these mapping relations below.

Fig. 5 be illustrate according to the present invention example embodiment, be used for 5: the diagrammatic sketch of the DL HARQ operation timing structure of 3TDD pattern.Dispose DL HARQ operation timing structure based on the tdd frame structure shown in Fig. 2.

With reference to Fig. 5, reflector sends bursty data assignment information and DL bursty data in the #1 of #i frame DL subframe 500.Receiver sends the HARQ feedback that is used for the DL bursty data in the #0UL of #i frame subframe 510 then.If the HARQ feedback is the NACK signal, then reflector is retransmitted bursty data in the #1 DL subframe 520 of # (i+1) frame.In #1 DL subframe 520, can also send the bursty data assignment information that indication DL bursty data sends.For the bursty data of retransmitting, receiver sends the HARQ feedback in the #0 UL subframe 530 of # (i+1) frame.

Though described in the above in DL period and UL period index DL subframe and UL subframe dividually respectively, can be in frame index DL subframe and UL subframe continuously.In this case, UL subframe index x replaces with the subframe index D+x in the frame.D representes the duration of DL period.

To above-mentioned HARQ operation be described with reference to form 3 below.Form 3 illustrate according to the present invention example embodiment, be used for DL: UL=D: the DL HARQ operation timing structure of U pattern.D representes the duration (that is, the quantity of DL subframe) of DL period, and U representes the duration (that is the quantity of UL subframe) of UL period.Form 3 can be used for confirming the transmitting time of following at least one: have that the distribution A-MAP IE of bursty data assignment information, HARQ that carries bursty data divide into groups, HARQ feeds back (ACK or NACK) and HARQ retransmission sub-packet.It should be understood, however, that form 3 should not be interpreted as limitation of the present invention.

Form 3

In form 3, D representes the quantity of DL subframe in each DL frame, and U representes the quantity of UL subframe in each UL frame, and N representes the quantity of frame in each superframe.If each superframe comprises four sub-frame, then N is 4.F representes the sub-frame number of each frame, thus F=D+U.I, j and k represent frame index.L representes to carry the index of the DL subframe of bursty data assignment information, and m is illustrated in wherein that bursty data sends the index of the subframe of beginning, and n representes to carry the index of the subframe of the HARQ feedback that is used for the DL bursty data.In addition, z representes DL HARQ feedback shift, and u representes DL HARQ Tx skew.Therefore, j=0,1 ..., N-1, k=0,1 ..., N-1, l=0, N _A-MAP..., N _A-MAP(ceil (D/N _A-MAP)-1), m=0,1 ..., D-1, n=0,1 ..., U-1, z=0,1 ..., z _Max-1, and u=0,1 ..., u _Max-1.

N _A-MAPThe period of bursty data assignment information is sent in expression.If in each DL subframe, send bursty data assignment information, then N _A-MAPBe 1, and the scope of l is to D-1 from 0.If at every bursty data assignment information, then N of in a DL subframe, sending _A-MAPBe 2.In this case, l=0,2 ..., 2 (ceil (F/2)-1).

According to the contextual definition parameter K between D and the U.For example, K is defined as equality (6) or equality (7).Depend on the system bandwidth of in system, considering, the transmit time segments N that handles period and bursty data assignment information _A-MAP, K can become K _cOr K _fK _cMean through use round up value that function ceil () calculates and K _fMean value through using downward bracket function floor () to calculate.How to determine that K depends on system configuration.Though K is K normally _f, but can be odd number and D＜U/N at F _A-MAPCondition under use K _c

$K_c=\left\{\begin{array}{c}\mathrm{ceil}\left(\frac{D-U}{2}\right)\mathrm{forD}\&GreaterEqual;U\\ -\mathrm{ceil}\left(\frac{U-D}{2}\right)\mathrm{forD}<U\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(6\right)$

$K_f=\left\{\begin{array}{c}\mathrm{floor}\left(\frac{D-U}{2}\right)\mathrm{forD}\&GreaterEqual;U\\ -\mathrm{floor}\left(\frac{U-D}{2}\right)\mathrm{forD}<U\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(7\right)$

If D is equal to or greater than U, K then _cAnd K _fBe 0 or on the occasion of, otherwise they are negative values.

When F was even number, ceil () and floor () function were operated with the same manner, so K _cAnd K _fEquate.According to another embodiment, K can be set as follows.If D＜U, if K=-ceil{ (U-D)/2} then is D >=U, then K=floor{ (D-U)/2}.

In TDD DL HARQ sent and receives, the bursty data that the DL bursty data assignment information indication of in the #l of #i frame DL subframe, sending begins in the #m of #i frame DL subframe sent.When in each DL subframe, sending the bursty data assignment information (, N _A-MAP=1), the bursty data assignment information indicates the bursty data that in the DL subframe, begins to send.That is to say m=l.On the other hand, when every at a distance from a DL subframe in during transmission bursty data assignment information (, N _A-MAP=2), the bursty data assignment information in the #lDL subframe indicates the bursty data that in #l or # (l+1) DL subframe, begins to send.That is to say that m is l or (l+1).Indication l or relevant information (l+1) are included in the bursty data assignment information.

Bursty data through the indication of bursty data assignment information can occupy one or more DL subframes.

The HARQ feedback that is used for the bursty data that its #m DL subframe that is sent in the #i frame begins is sent in the #n of #j frame UL subframe.(D: U) ratio, n can be mapped to one or more DL subframe index according to DL: UL.If D≤U, then each UL subframe is mapped to a DL subframe.On the other hand, if D＞U, then each UL subframe is mapped to one or more DL subframes.As defined in the form 3, confirm subframe index n according to K and m, and confirm frame index j according to i and z.That is to say that form 3 is according to DL: the UL ratio is defined in DL subframe index and the certain mapping relations between the UL subframe index in the frame.The situation that form 1 illustrates D=U is included in the situation of D＜=U.In another embodiment, because K equals zero under the situation of D=U,, the situation of D=U was also included within the situation of D＞=U so can both being included in the situation of D＜=U.Presents explained D=U be included under the situation of D＜=U HARQ regularly.

Like the description of the FDD DL HARQ timing architecture of top reference table lattice 1, z representes DL HARQ feedback shift.In order to save enough Rx processing times, use z adjusts the index of the frame that carries the HARQ feedback.Because DL subframe and UL subframe replace along time shaft in frame, so use the Gap3 that calculates through equality (8) to confirm DL HARQ feedback shift z.

Gap3＝M _DATA-a-N _TTI+b.....(8)

M wherein _DATAThe quantity of the subframe of bursty data is carried in expression, and a is illustrated in the wherein index of the subframe of bursty data transmission beginning, N _TTIThe TTI of expression bursty data, and b representes to carry the index of the subframe of the HARQ feedback that is used for bursty data.Therefore, with reference to form 3, M _DATA=D, a=m and b=n.

In TDD DL HARQ, adjustment DL HARQ feedback shift z is so that the Gap3 that in equality (8), describes is equal to or greater than the Rx processing time.For example, if Gap3 is equal to or greater than the Rx processing time, z=0 then is if instead Gap3 is less than Rx processing time, then z=1.

When in asynchronous HARQ, retransmitting the DL bursty data, indicate the repeating transmission of DL bursty data by being included in repeating transmission designator in the bursty data assignment information.Simultaneously, if in synchronous HARQ, retransmit the DL bursty data, then in the #m of #k frame subframe, retransmit.With reference to form 3, the index of the frame through carrying feedback and DL HARQ Tx skew u confirm frame index k.If the bursty data assignment information of the repeating transmission of indication DL bursty data is sent out, then retransmit based on the bursty data assignment information.

As before describe with reference to the FDD DL HARQ timing architecture of form 1, u representes the DL HARQ Tx skew confirmed according to the Gap4 that is calculated by equality (9).Gap4 is illustrated in the time slot between the beginning of transmitting time and data re-transmitting of the HARQ feedback in the tdd mode.

Gap4＝M _CTRL-b-1+a.....(9)

M wherein _CRTLThe quantity of the subframe of HARQ feedback is carried in expression, and b representes to carry the index of the subframe of HARQ feedback, and a is illustrated in wherein the index of the subframe that begins of bursty data that will repeating transmission after the HARQ feedback.Therefore, M in form 3 _CRTL=U, b=n, and a=m.

In TDD DL HARQ, adjustment DL HARQ Tx skew u is so that the Gap4 that calculates through equality (9) is equal to or greater than the Tx processing time.For example, if Gap4 is equal to or greater than Tx processing time, then u=0.On the contrary, if Gap4 is less than Tx processing time, then u=1.In the situation of u=1, this means does not have time enough to be used to handle transmission signals, thereby the HARQ time of retransmitting is postponed a frame.

In form 3, frame index j and k are equal to or greater than the total quantity N of the frame of each superframe, and superframe index s increases by 1, and frame index j is to operate the value that obtains through the mould shown in the computation sheet 3 with k.

Can also following situation be thought of as another example embodiment of the present invention: confirm DL HARQ feedback shift z and DL HARQ Tx skew u according to the TTI (TTI of bursty data or feedback) of DL-UL subframe mapping relations, HARQ operation and/or the signal handling capacity of system.

Fig. 6 is the diagrammatic sketch that the HARQ operation timing structure that UL bursty data example embodiment, that be used for TDD sends according to the present invention is shown.

With reference to Fig. 6, when the bursty data assignment information in the #1 of #i frame DL subframe 600 was received, reflector sent the UL bursty data in the #0 of #i frame UL subframe 610.Whether the bursty data according to receiving has error, and receiver sends the HARQ feedback that is used for the UL bursty data in the #1 DL subframe 620 of # (i+1) frame.If the HARQ feedback is the NACK signal, then reflector is retransmitted bursty data in the #0UL subframe 630 of # (i+1) frame.If DL subframe 620 is carried the bursty data assignment information that indication UL bursty data is retransmitted, then carry out the UL bursty data and retransmit according to the bursty data assignment information.

Though described in the above in DL period and UL period index DL subframe and UL subframe dividually respectively, can be in frame index DL subframe and UL subframe continuously.In this case, UL subframe index x replaces with the subframe index D+x in the frame.D representes the duration of DL period.

Form 4 illustrates UL HARQ operation timing structure according to the present invention example embodiment, in the tdd mode.Form 4 can be used for confirming the transmitting time of following at least one: have that the distribution A-MAP of bursty data assignment information, HARQ that carries bursty data divide into groups, HARQ feeds back (ACK or NACK) and HARQ retransmission sub-packet.It should be understood, however, that form 4 should not be interpreted as limitation of the present invention.

Form 4

In form 4, D representes the DL sub-frame number of each DL frame, and U representes the UL sub-frame number of each UL frame, and K is according to the relation between D and the U, like the parameter of equality (6) or equality (7) definition, and N representes the number of frames of each superframe.If each superframe comprises four sub-frame, then N is 4.I, j, k and p represent frame index.L representes to carry the index of the DL subframe of bursty data assignment information, and m is illustrated in wherein that bursty data sends the index of the subframe of beginning, and w representes UL HARQ feedback shift, and v representes UL HARQ Tx skew.Therefore, i=0,1 ..., N-1, j=0,1 ..., N-1, k=0,1 ..., N-1, p=0,1 ..., N-1, l=0, N _A-MAP..., N _A-MAP(ceil (D/N _A-MAP)-1), m=0,1 ..., U-1, w=0,1 ..., w _Max-1, and v=0,1 ..., v _Max-1.

N _A-MAPThe period of bursty data assignment information is sent in expression.If in each DL subframe, send bursty data assignment information, then N _A-MAPBe 1, and the scope of l is 0 to D-1.If at every bursty data assignment information, then N of in a DL subframe, sending _A-MAPBe 2.In this case, l=0,2 ..., 2 (ceil (D/2)-1).

In TDD UL HARQ sent and receives, the bursty data that the UL bursty data assignment information indication of in the #l of #i frame DL subframe, sending begins in the #m of #j frame UL subframe sent.According to DL: UL (D: U) ratio and assignment information period N _A-MAP, m can be mapped to one or more DL subframes.If ceil is (D/N _A-MAP)>=U, that is, if carry the quantity that the quantity of the DL subframe of DL control information (bursty data assignment information or HARQ feedback) is equal to or greater than the UL subframe, then each UL subframe is mapped to one or more DL subframes.On the other hand, if ceil is (D/N _A-MAP)＜U, that is, if the quantity of DL subframe of carrying DL control information (bursty data assignment information or HARQ feedback) less than the quantity of UL subframe, then each UL subframe is mapped to one or more UL subframes.

If carry the quantity (ceil (D/N that the quantity of the DL subframe of bursty data assignment information is equal to or greater than the UL subframe _A-MAP)>=U) then can be sent through the bursty data of one or more DL subframe indications in a UL subframe.That is to say, if l less than K, then the bursty data that in #0 UL subframe, begins of the bursty data assignment information in #l DL subframe indication sends.If l is equal to or greater than K and less than U+K, then the bursty data assignment information in the #l DL subframe indicates the bursty data that in # (l-K) UL subframe, begins to send.If l is equal to or greater than U+K, then the bursty data assignment information in #l DL subframe indicates the bursty data that in # (U-1) UL subframe, begins to send.

On the other hand, if the quantity of DL subframe of carrying the bursty data assignment information less than the quantity (ceil (D/N of UL subframe _A-MAP)＜U), then the bursty data assignment information in the DL subframe can indicate the bursty data in one or more UL subframes to send.For example, the indication of the bursty data assignment information in the #0DL subframe is arrived # (l-K+N at #0 _A-MAP-1) bursty data in the UL subframe sends.In the bursty data assignment information, send relevant information about indication.

If only in a DL subframe, send bursty data assignment information (ceil (D/N _A-MAP)=1), then the bursty data of DL subframe indication in all UL subframes sends.Can indicate the TTI of bursty data through the bursty data assignment information, and confirm frame index j according to i and v.

Like the description of the FDD UL HARQ timing architecture of top reference table lattice 2, v representes that UL HARQ Tx skew and w represent UL HARQ feedback shift.After bursty data assignment information or HARQ feedback was received, UL HARQ Tx skew v was used to the transmitting time or the repeating transmission time of bursty data.As stated, UL HARQ Tx skew v be used to adjust the frame that carries bursty data index to guarantee enough Tx processing times.

In TDD UL HARQ, confirm UL HARQ Tx skew v according to Gap4 ', Gap4 ' is through calculate in equality (9) as follows: with M _CTRLReplace with the quantity D of carrying, b is replaced with the index l of the subframe of carrying bursty data assignment information or HARQ feedback and a replaced with the index m that carries the initialization bursty data or retransmit the subframe of bursty data such as the DL subframe of the control information of burst allocation information or HARQ feedback.

If Gap4 ' sends the desired Tx processing time less than bursty data after HARQ feedback is received, v=1 then, otherwise, v=0.

In TDD UL HARQ, in order after receiving bursty data, to adjust the transmitting time that HARQ feeds back, confirm UL HARQ feedback shift w according to Gap3 ', Gap3 ' be through in equality (8) with M _DATAReplace is that the quantity U that carries the subframe of bursty data calculates.

If Gap3 ' is less than the desired Rx of the transmission processing time of HARQ after the UL bursty data is received feedback, w=1 then, otherwise, w=0.

The HARQ feedback of the bursty data that is used for sending in the #m of #j frame UL subframe is sent in the #lDL of #k frame subframe.That is to say, in having the subframe of same index, send bursty data assignment information and HARQ feedback.Confirm k through j here.

When in asynchronous HARQ, retransmitting the UL bursty data, indicate the repeating transmission time of UL bursty data through being included in repeating transmission designator in the bursty data assignment information.Simultaneously, if in synchronous HARQ, retransmit the UL bursty data, then in the #m of #p frame subframe, retransmit.With reference to form 4, the index k through UL HARQ Tx skew v and the frame that carries the HARQ feedback confirms frame index p.If frame index j, k and p are equal to or greater than the quantity N of the frame of each superframe, then superframe index s increases by 1, and frame index j, k and p are the values that obtains through the operation of the mould shown in the computation sheet 4.

Though described in the above through using form 1 to confirm that to the equality of form 4 HARQ regularly; But can be through form stores is confirmed that to reflector and receiver and from the end value that this form reads expectation HARQ regularly; Said form has according to the end value corresponding to all possible input value (that is, the quantity of DL/UL subframe, subframe index and processing time etc.) of form 1 to form 4.

The calculating of HARQ feedback and Tx skew

The example embodiment of computed HARQ feedback shift w and z and HARQ Tx skew v and u will be described below.

Can confirm HARQ feedback shift w and z and HARQ Tx skew v and u according to the TTI (TTI of bursty data or feedback) of the mapping relations between DL subframe and the UL subframe, HARQ operation and/or the signal handling capacity of system's (reflector and/or receiver).In another example embodiment of the present invention, can preestablish and broadcast the HARQ feedback shift by system, rather than use above-mentioned information to calculate.As give a definition and relate to the skew of HARQ operation.

Be used for the HARQ feedback shift z of FDD DL HARQ operation and at least one of HARQ Tx skew u and pass through computes:

$z=\left\{\begin{array}{cc}0,& \mathrm{for\; ceil}(F/2)-N_{\mathrm{TTI}}\&GreaterEqual;\mathrm{Rx}\_\mathrm{<figure-callout\; id="1"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}1\\ 1,& \mathrm{for\; ceil}(F/2)-N_{\mathrm{TTI}}<\mathrm{Rx}\_\mathrm{<figure-callout\; id="1"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}1\end{array}\right.$

$u=\left\{\begin{array}{cc}0,& \mathrm{for\; floor}(F/2)-1\&GreaterEqual;\mathrm{Tx}\_\mathrm{<figure-callout\; id="1"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}1\\ 1,& \mathrm{for\; floor}(F/2)-1<\mathrm{Tx}\_\mathrm{<figure-callout\; id="1"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}1\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(10\right)$

Wherein Rx_Time1 representes the Rx processing time of DL bursty data, and the disposal ability through receiver confirms, and Tx_Time1 representes the Tx processing time of DL bursty data, confirms through the disposal ability of reflector.Rx_Time1 and Tx_Time1 can jointly be called the processing time of bursty data.The Rx of bursty data handles and comprises, for example, multiple-input and multiple-output (MIMO) Rx handles, the demodulation sign indicating number.The Tx of bursty data handles and comprises, for example, coding, modulation and MIMO Tx handle.In DL HARQ, receiver is that MS and reflector are BS usually.Here, HARQ feedback TTI is assumed to a sub-frame and bursty data transmission time interval TTI is expressed as N _TTI

Be used for the HARQ feedback shift w of FDD UL HARQ operation and at least one of HARQ Tx skew v and pass through computes:

$v=\left\{\begin{array}{cc}0,& \mathrm{for\; ceil}(F/2)-1\&GreaterEqual;\mathrm{Tx}\_\mathrm{<figure-callout\; id="2"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}2\\ 1,& \mathrm{for\; ceil}(F/2)-1<\mathrm{Tx}\_\mathrm{<figure-callout\; id="2"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}2\end{array}\right.$

$w=\left\{\begin{array}{cc}0,& \mathrm{for\; floor}(F/2)-N_{\mathrm{TTI}}\&GreaterEqual;\mathrm{Rx}\_\mathrm{<figure-callout\; id="2"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}2\\ 1,& \mathrm{for\; floor}(F/2)-N_{\mathrm{TTI}}<\mathrm{Rx}\_\mathrm{<figure-callout\; id="2"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}2\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(11\right)$

Wherein Rx_Time2 representes the Rx processing time of UL bursty data, and the disposal ability through receiver confirms, and Tx_Time2 representes the Tx processing time of UL bursty data, confirms through the disposal ability of reflector.Rx_Time2 and Tx_Time2 can jointly be called the processing time of bursty data.In UL HARQ, receiver is that BS and reflector are MS usually.

Be used for the HARQ feedback shift z of TDD DL HARQ operation and at least one of HARQ Tx skew u and pass through computes:

$z=\left\{\begin{array}{cc}0,& \mathrm{for\; D}-m-N_{\mathrm{TTI}}+n\&GreaterEqual;\mathrm{Rx}\_\mathrm{<figure-callout\; id="3"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}3\\ 1,& \mathrm{for\; D}-m-N_{\mathrm{TTI}}+n<\mathrm{Rx}\_\mathrm{<figure-callout\; id="3"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}3\end{array}\right.$

$u=\left\{\begin{array}{cc}0,& \mathrm{for\; U}-n-1+m\&GreaterEqual;\mathrm{Tx}\_\mathrm{<figure-callout\; id="3"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}3\\ 1,& \mathrm{for\; U}-n-1+m<\mathrm{Tx}\_\mathrm{<figure-callout\; id="3"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}3\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(12\right)$

Wherein Rx_Time3 and Tx_Time3 represent the Rx processing time and the Tx processing time of DL bursty data respectively.Rx_Time3 and Tx_Time3 can jointly be called the processing time of bursty data.

Be used for the HARQ feedback shift w of TDD UL HARQ operation and at least one of HARQ Tx skew v and pass through computes:

$v=\left\{\begin{array}{cc}0,& \mathrm{for\; D}-l-1+m\&GreaterEqual;\mathrm{Tx}\_\mathrm{<figure-callout\; id="4"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}4\\ 1,& \mathrm{for\; D}-l-1+m<\mathrm{Tx}\_\mathrm{<figure-callout\; id="4"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}4\end{array}\right.$

$w=\left\{\begin{array}{cc}0,& \mathrm{for\; U}-m-N_{\mathrm{TTI}}+l\&GreaterEqual;\mathrm{Rx}\_\mathrm{<figure-callout\; id="4"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}4\\ 1,& \mathrm{forU}-m-N_{\mathrm{TTI}}+l<\mathrm{Rx}\_\mathrm{<figure-callout\; id="4"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}4\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(13\right)$

Wherein Rx_Time4 and Tx_Time4 represent the Rx processing time and the Tx processing time of UL bursty data respectively.Rx_Time4 and Tx_Time4 can jointly be called the processing time of bursty data.

In synchronous HARQ, the Tx processing time of UL HARQ operation is different for initialization with retransmitting.That is to say, depend on that bursty data is initialization or retransmits that the Tx_Time4 of the Tx_Time2 of equality (11) and equality (13) can replace with Tx_Time_NewTx and Tx_Time_ReTx.Tx_Time_NewTx representes the Tx processing time of initialization bursty data, and Tx_Time_ReTx representes to retransmit the Tx processing time of bursty data.As previously mentioned, though, can encode by the bursty data of its repeating transmission of NACK signal triggering based on the initialization bursty data of coding according to the bursty data assignment information initialization bursty data of encoding.Therefore, consider the different Tx processing times with retransmitting, can adjust HARQ Tx skew for initialization.

Trigger according to retransmitting, the Tx processing time of retransmitting bursty data can be Tx_Time_ReTx1 or Tx_Time_ReTx2.Can consider in two ways to retransmit and trigger.In first mode, only send the NACK signal, and in second mode, send NACK signal and the assignment information that is used to retransmit.A kind of situation before Tx_Time_ReTx1 is used for, and Tx_Time_ReTx2 is used for latter event.

Similarly, can be according to the Tx processing time of initialization or repeating transmission, the UL HARQ Tx skew of in form 2, form 4, equality (11) and equality (13), describing can be used as v _NewAnd v _RxTxAdjustment dividually.v _NewBe the ULHARQ Tx skew that is used for the initialization bursty data of considering Tx processing time Tx_Time_NewTx, and v _RxTxIt is the UL HARQ Tx skew that is used to retransmit bursty data of considering Tx processing time Tx_Time_ReTx.

The tradition support mode

Through in superframe structure, using predefined vertical shift; (Advanced Air Interface, mobile radio system AAI) can coexist with IEEE 802.16e tradition (legacy) mobile radio system to use the senior air interface of IEEE (IEEE) 802.16m.Particularly, in order to compensate inconsistent with the 16e frame, together with DL subframe and UL subframe, each 16m frame comprises vertical shift.In this case, according to network node and MS DL: the UL ratio, be based on the HARQ operation timing structure of describing in form 3 and the form 4 and dispose TDD HARQ operation timing structure with the period of IEEE 802.16m pattern operation.

According to network node and the MS DL with the period of IEEE 802.16m pattern operation: the UL ratio confirms that DL is to UL subframe mapping relations.In other words, according to DL: the UL ratio confirm to be used for the HARQ operation, in the index and the quantity of the subframe of transmit time segments.Yet because IEEE 802.16e pattern and IEEE 802.16m pattern coexist in a frame, not according to the DL of 16m pattern period: the UL ratio carries out index to frame, but according to the whole DL of TDD system: the UL ratio carries out index to frame.

Pass through D ' and U ' respectively and represent the quantity of the DL subframe in the TDD system and the quantity of UL subframe.DL according to the TDD system: UL ratio, i.e. D ': U ' comes to subframe index l ', m ' and n ' numbering.In addition, represent the quantity of the DL subframe in the 16m pattern period and the quantity of UL subframe through D and U respectively.Subsequently, according to the DL of 16m pattern period: UL ratio, i.e. D: U, give subframe index l ', m and n numbering.

For except that the 16e pattern tradition 16m pattern period the period, the HARQ operation timing is followed form 3 and form 4.Yet, come frame index i, j and the k numbering of confirming according to HARQ feedback shift z or w and HARQ Tx skew u or v through use subframe index l ', m ', n ' according to D ': U '.

Fig. 7 be illustrate according to the present invention example embodiment, in the situation of two different coexistence of systems, 5: the HARQ operation timing structure that the DL bursty data in the 3TDD pattern sends.

With reference to Fig. 7, two DL subframes and UL frequency division multiplex (FDM) zone are used to support the pattern of legacy system (that is, traditional support mode), and in the residue link period that is used for except that those traditional support mode subframe are carried out index again.More particularly, in whole TDD system, exist #0 to the #4DL subframe.Therefore, in the 16m pattern period, #2, #3 and #4DL subframe are renumberd respectively is #0, #1 and #2.And through using FDM, UL period and DL period coexist, and the 16m pattern period crosses over the whole UL period.Therefore, the 16m model frame finally comprises three DL subframes and three UL subframes.

With reference to Fig. 7, because D=3 and U=3, so K=0.D ' be 5 and U ' be 3.In TDDDL HARQ bursty data sends, in the #0 of #i frame DL subframe, send bursty data assignment information and bursty data.In the #0 of #i frame UL subframe, send the HARQ feedback that is used for bursty data.The repeating transmission of HARQ bursty data takes place in the #0DL subframe of # (i+1) frame, and in the #0UL subframe of # (i+1) frame, sends the HARQ feedback that is used to retransmit bursty data.In the situation of the Fig. 7 that illustrates, Tx processing time and Rx each in the processing time all are considered two sub-frame.

Fig. 8 illustrate according to the present invention example embodiment, in the situation of two different coexistence of systems, 5: the HARQ operation timing structure that the UL bursty data in the 3TDD pattern sends.

With reference to Fig. 8, because according to frame structure D=3 and the U=3 of Fig. 7, so K=0.In TDD ULHARQ bursty data sends, in the #0 of #i frame DL subframe, send the bursty data assignment information, and in the #0 of #i frame UL subframe, send the UL bursty data according to the bursty data assignment information.In the #0DL subframe of # (i+1) frame, send the HARQ feedback that is used for the UL bursty data, and the repeating transmission of UL bursty data takes place in the #0UL subframe of # (i+1) frame.In #0 DL subframe, can send the bursty data assignment information that indication UL bursty data sends.In the situation of the Fig. 8 that illustrates, Tx processing time and Rx each in the processing time all are considered two sub-frame.

The resource that is used for IEEE 802.16e wireless communication system is assigned to the period corresponding to the vertical shift of Fig. 7 and Fig. 8.

According to the index of the subframe of carrying the bursty data assignment information or therein the index of the bursty data subframe that begins to be sent out be provided with like the HARQ operation timing structure of form 1 to form 4 suggestions, and no matter the TTI of bursty data.Therefore, because in synchronous HARQ, in predefined subframe, periodically send the HARQ feedback; So receiver is saved electric power; And needn't consumes electric power be used to monitor the reception of HARQ feedback, and support effectively the colocated coexistence (Co-Located Coexistence, CLC).

Long TTI

In another example embodiment of the present invention; The HARQ timing architecture of describing in the form 4 with respect to form 1, for support more early ACK regularly, when bursty data occupies two or more subframes; Promptly; When using long TTI, can confirm the HARQ feedback time according to the index that bursty data therein sends the subframe that finishes, rather than the index of the subframe that begins according to bursty data transmission therein.This regularly determines to be used for common ACK timing more early at asynchronous HARQ.

Be adjusted at the HARQ feedback time of definition in the form 1 as follows.Index m ' (=m+N based on the last subframe of TTI _TTI-1), rather than the index m of first subframe of TTI confirm to carry index and the index of frame of the subframe of HARQ feedback.

Fig. 9 illustrates the HARQ operation timing structure that DL bursty data another example embodiment, that be used for fdd mode sends according to the present invention.Suppose N here _TTI=4, F=8, Tx processing time and Rx each in the processing time are three or subframe still less, DL HARQ feedback shift z is 0, and DL HARQ Tx skew u is 0.

With reference to Fig. 9, the bursty data assignment information of in the #1 of #i frame DL subframe, sending indication is in the transmission of the data DL bursty data of the #1 of #i frame DL subframe in the TTI 900 of #4 DL subframe.In the #0 UL subframe 910 of the # of the 4th DL subframe that is mapped to the #i frame (i+1) frame, send the HARQ feedback that is used for the DL bursty data, the DL bursty data sends and finishes in the 4th DL subframe of said #i frame.That is to say n=0 (=ceil (1+4-1+4) mod 8) and j=i+1 (=(i+floor (ceil (1+4-1+4)/8) mod 4))).In synchronous HARQ, the transmission of bursty data 920 originates in previous bursty data sends identical subframe position, that is, and and in the #1 DL subframe of # (i+2) frame.

As stated, can confirm the HARQ feedback according to last the index m ' in one or more subframes of carrying bursty data regularly, rather than the index m of first subframe of the subframe in form 1 and the form 2.

Similarly, in order to obtain ACK timing more early, in the DL HARQ operation timing structure in tdd mode, can carry the index m ' (=m+N of last subframe of bursty data through application _TTI-1) confirm the HARQ feedback time, rather than the index m of first subframe of the bursty data of form 3.

Figure 10 illustrates the HARQ operation timing structure that DL bursty data another example embodiment, that be used for tdd mode sends according to the present invention.Suppose N here _TTI=4, D=4, U=4, Tx processing time and Rx each in the processing time are three or subframe still less, K=0, and z=0.

With reference to Figure 10, the bursty data assignment information of in the #0DL of #i frame subframe, sending indication is in the transmission of the DL bursty data of the #0DL of #i frame subframe in the TTI 1000 of #3DL subframe.The HARQ feedback that is used for the DL bursty data is sent in the #3UL of #i frame subframe 1010, is mapped to the #3DL subframe of #i frame according to form 3.That is to say, n=0 (=3-0) and j=i (=(i+0) mod 4).In synchronous HARQ, the repeating transmission of the bursty data after the HARQ feedback starts from sending identical subframe position with previous bursty data, that is, and and in the #0DL subframe of # (i+2) frame.

Yet, according to the DL of the TDD HARQ operation timing structure that is used for long TTI: UL ratio and Tx/Rx processing time, confirm the HARQ feedback time differently.As an example, be that 3 sub-frame and TTI cover under the situation of whole DL period in the Tx/Rx processing time, description is used for 5: the HARQ feedback of the long TTI (5 sub-frame) of 3TDD DLHARQ operation is regularly.

If the HARQ feedback is set regularly, then in the #0UL of next frame subframe, sends and be used for the HARQ feedback that it is sent in the bursty data that the #0DL subframe begins according to beginning of sending of bursty data.On the other hand, if the end of sending according to bursty data is provided with the HARQ feedback regularly, then in the #3UL of next frame subframe, sends and be used for the HARQ feedback that it is sent in the bursty data that the #4DL subframe finishes.Thereby, be used for 5 at long TTI: under the situation of 3TDD DL HARQ,, feed back regularly for long TTI provides HARQ more early through deciding the HARQ feedback regularly based on the beginning of bursty data transmission rather than based on the end that bursty data sends.

To describe as another example and be used for 4: the HARQ feedback of the long TTI of 4 sub-frame of 4TDD DL HARQ regularly.

If the HARQ feedback is set regularly, then in the #0UL of next frame subframe, sends and be used for the HARQ feedback that it is sent in the bursty data that the #0DL subframe begins according to beginning of sending of bursty data.On the other hand, if the end of sending according to bursty data is provided with the HARQ feedback regularly, then in the #3UL of next frame subframe, sends and be used for the HARQ feedback that it is sent in the bursty data that the 4th DL subframe finishes.Be different from 5: 3TDD DL HARQ, through end of sending based on bursty data rather than the beginning of sending based on bursty data, 4: 4TDD DL HARQ is provided for the HARQ feedback timing more early of long TTI.

Therefore, in example embodiment of the present invention, according to DL: UL ratio and Tx/Rx processing time are selected appropriate H ARQ operation timing structure.More particularly, when in form 4, determining HARQ feedback regularly at form 1, can be based on the index m ' (=m+N of the last subframe of one or more subframes of carrying bursty data _TTI-1) rather than the index m of first subframe of said subframe make said decision.Information about the HARQ operation timing structure selected can be informed with signal, for example, on the DL CCCH, informs as system information.

The change of feedback shift and Tx skew

DL HARQ operation timing structure and other example embodiment of UL HARQ operation timing structure in the tdd mode will be described below.More specifically, change HARQ feedback shift and HARQ Tx skew with describing according to the position of carrying the subframe of DL bursty data or UL bursty data.

Figure 11 and Figure 12 illustrate and work as N _A-MAP=1 HARQ operation timing structure when the D+U=8.

Figure 11 is illustrated in D: U=5: 3 and TTI be the HARQ operation timing structure in the situation of a sub-frame.With reference to Figure 11, when the Tx/Rx processing time was 2 sub-frame, HARQ feedback/Tx skew was 0.That is to say,, take place in the period and not free the delay so relevant UL is sent in the UL of back because can in two sub-frame, handle the transmission (because Gap3 and Gap4 surpass 2) of each DL subframe fully.Similarly, can in two sub-frame, handle the transmission (because Gap3 and Gap4 surpass 2) of each UL subframe fully, take place in the period and not free the delay thereby relevant DL is sent in the DL of back.

Yet if the Tx/Rx processing time is 3 sub-frame, the HARQ ULTx relevant with the #4DL subframe regularly postponed a frame.This is because though utilize 3 sub-frame to handle the transmission of #4DL subframe, (=5-4-1+2) the interior UL of the execution transmission of subframe, said 2 sub-frame are the intervals to corresponding #2UL subframe to be difficult in 2.Therefore, sending by frame of delay corresponding to the UL in the #2UL subframe of #4DL subframe, thereby this UL occurs in the #2UL subframe of ensuing # (i+1) frame.

Figure 12 is illustrated in D: U=3: 5 and TTI be the HARQ operation timing structure in the situation of a sub-frame.With reference to Figure 12, when the Tx/Rx processing time was 2 sub-frame, HARQ feedback/Tx skew was 0.Yet, if the Tx/Rx processing time is 3 sub-frame, Gap=3-0-1-0=2.Therefore, the HARQ UL Tx in the #0UL subframe relevant with the #0DL subframe is regularly postponed a frame.Because Gap=5-4-1+2=2 is postponed a frame so the DL in the #2DL subframe relevant with the #4UL subframe sends regularly.This is less than Tx processing time or Rx processing time because of each Gap.

Figure 13 illustrates the HARQ operation timing structure when D+U=7.

Figure 13 (a) is illustrated in D: U=4: 3, N _A-MAP=1 and TTI be the HARQ operation timing structure in the situation of a sub-frame.With reference to Figure 13 (a), when the Tx/Rx processing time was 2 sub-frame, HARQ feedback/Tx skew was 0.If the Tx/Rx processing time is 3 sub-frame, regularly postponed a frame corresponding to the HARQ UL Tx of the #2 subframe of #3 DL subframe, because Gap=4-3-1+2=2.

Figure 13 (b) is illustrated in D: U=3: 4, N _A-MAP=1 and TTI be the HARQ operation timing structure in the situation of a sub-frame.D+U is odd number and D＜U, then uses the K based on ceil () _c(=-1).With reference to Figure 13 (b), when the Tx/Rx processing time was 2 sub-frame, HARQ feedback/Tx skew was 0.If the Tx/Rx processing time is 3 sub-frame, then the HARQ UL Tx with the corresponding #0UL subframe of #3 DL subframe is regularly postponed a frame.

Figure 14 illustrates and works as N _A-MAP=1 and the HARQ operation timing structure during D+U=6.

Figure 14 (a) is illustrated in D: U=4: 2 and TTI be the HARQ operation timing structure in the situation of a sub-frame.With reference to Figure 14 (a), when the Tx/Rx processing time was 2 sub-frame, the HARQ UL Tx relevant with the #3DL subframe regularly postponed a frame.If the Tx/Rx processing time is 3 sub-frame, then relevant with #0UL subframe HARQ DL Tx timing quilt postpones a frame, and the HARQ UL Tx relevant with the #2DL subframe with #1DL subframe timing and frame of HARQ DL Tx timing quilt delay.In addition, relevant with #3DL subframe HARQ UL Tx is regularly postponed a frame.

Figure 14 (b) is illustrated in D: U=3: 3 and TTI be the HARQ operation timing structure in the situation of a sub-frame.With reference to Figure 14 (b), when the Tx/Rx processing time was 2 sub-frame, HARQ feedback/Tx skew was 0.Yet if this Tx/Rx processing time is 3 sub-frame, HARQ feedback/Tx skew is 1, this means the delay of a frame.

Relay structure

To be described in the HARQ operation timing structure in the mobile radio system of supporting relay structure now.

When the relaying structure was supported, BS and MS directly or via at least one relay station (RS) communicated with one another.RS between BS and the MS is divided into strange jumping RS and jumps RS with idol.Each RS comprises controller and at least one transmission/receiver; Said controller is used for confirming the HARQ Tx time according to the frame structure that will describe after a while and HARQ operation timing that said at least one transmission/receiver is used in timed sending and reception bursty data assignment information, bursty data and HARQ feedback by controller control.Data transfer representation is in transfer of data between BS and the RS or the transfer of data between RS and MS.

In example embodiment of the present invention, use description to the HARQ operation timing structure of the 16m pattern operation of RS and MS.

Figure 15 illustrates the frame structure of mobile radio system according to the present invention example embodiment, that be used to support relay structure.

With reference to Figure 15, BS frame 1410 can comprise at least one in following: the DL that directly sends to MS from BS insert district 1412, from BS send to the DL sending zone 1414, network code receiving area 1416 of MS or RS, the UL that receives from MS inserts district 1418 and the UL reception area 1420 that receives from MS or RS.Tx district 1412 and 1414 and Rx district 1416,1418 and 1420 between insert gap 1422, be used to send to the conversion of reception.

The strange RS of jumping frame 1430 comprises: the DL that sends to MS inserts district 1432, send to MS or idol jumps the DL sending area 1434 of RS, jumps DL reception area 1444 that RS or BS receive, network code sending area 1438, jumps the UL reception area 1440 that RS receives and send to the UL sending area 1442 that idol is jumped RS or BS from MS or idol from idol.Between Tx district 1434 and Rx district 1436, insert gap 1444, between Rx district 1436 and Tx district 1438, insert gap 1446, and between Rx district 1440 and Tx district 1442, insert 1448, be used for the conversion between sending and receiving.

Idol is jumped RS frame 1450 and is comprised: the DL reception area 1454 that the DL that sends to MS inserts district 1452, receive from strange jumping RS, send to MS or very jump RS DL sending area 1456, network code reception area 1458, send to the UL sending area 1460 of strange jumping RS and from MS or very jump the UL reception area 1462 that RS receives.Between Tx district 1452 and Rx district 1454, insert gap 1464; Between Rx district 1454 and Tx district 1456, insert gap 1466; Between Tx district 1456 and Rx district 1458, insert gap 1468; And between Tx district 1460 and Rx district 1462, insert gap 1470, be used for the conversion between sending and receiving.

As stated; As the HARQ operation of describing in front that is used for traditional support mode; In the HARQ operation timing structure that is used for the district that at least one RS therein communicates by letter with MS; DL-UL subframe mapping relations according to subframe index are the DL according to the district in the frame of corresponding RS: the UL ratio confirms that at least one RS communicates by letter with MS in said district, and confirms frame index according to subframe index.

Figure 16 illustrates the TDD RS frame structure of the example embodiment according to the present invention.In Figure 16, tdd frame has 4: 4 DL: and the UL ratio (D ': U '=4: 4) and not shown network code Tx/Rx district.

With reference to Figure 16 (a),, very jump RS and send #0, #1 and #2DL subframe, and receive another DL subframe from BS to MS or low layer RS more at the #i frame that is used for very jumping RS.The strange RS of jumping receives #0 and #1UL subframe from MS, and sends other two UL subframes to more high-rise RS or BS.

With reference to Figure 16 (b), jump the #i frame of RS being used for idol, idol jump RS the DL period begin send #0 DL subframe and send #1 DL subframe to MS in the end of DL period, and receive the DL subframe of two centres from more high-rise strange jumping RS.Idol jump RS the UL period receive #0 and #1 UL subframe from MS at last, and the UL period begin send other two UL subframes to more high-rise strange jumping RS.

Figure 17 illustrates HARQ operation timing structure example embodiment, that be used for very jumping RS according to the present invention.D in Figure 17: U=3: 2.

Figure 17 (a) illustrates and considers K _fHARQ operation timing structure.With reference to Figure 17 (a), corresponding to frame of HARQ UL Tx timing quilt delay of #2DL subframe.

Figure 17 (b) illustrates and considers K _cHARQ operation timing structure.With reference to Figure 17 (b), all postponed a frame corresponding to each in regularly of the HARQ UL Tx of #1DL subframe and #2DL subframe.

Figure 18 illustrates HARQ operation timing structure example embodiment, that be used for idol jumping RS according to the present invention.D in Figure 18: U=2: 2.Like what learn, corresponding to frame of HARQ DLTx timing quilt delay of #0UL subframe from Figure 18.

As stated, maybe be according to DL: UL ratio and Tx/Rx processing time select the K value with provide more early HARQ regularly.The Systems Operator can be according to such as DL: the system configuration information UL ratio and Tx/Rx processing time is selected appropriate H ARQ operation timing structure and suitable K value, and on the DL CCCH transmitting system configuration information.

The HARQ timing architecture that is used for long TTI

Hereinafter, will be with reference to form 3 and the HARQ timing architecture of form 4 descriptions based on the assignment information that is used for long TTI.

In DL HARQ,, then in the #0DL of next frame subframe, send long TTI and send if in specific DL subframe, send the bursty data assignment information of the transmission of indicating bursty data with long TTI.In the UL subframe of the DL subframe (that is, carrying the bursty data assignment information) that is mapped to frame at the back, send and be used for the HARQ feedback that long TTI sends.In UL HARQ; If the long TTI that indicates through the bursty data assignment information of in specific DL subframe, sending is sent in the identical frame unavailable; Then in the #0UL of next frame subframe, send the UL bursty data that long TTI sends; And the middle HARQ feedback that is used for the UL bursty data of sending of the DL subframe (that is, carrying the bursty data assignment information) that in the DL subframe of frame, has identical index at the back.Confirm frame index through using above-mentioned HARQ Tx skew and HARQ feedback shift.For example, the long TTI (N that has the leap whole DL period as the bursty data assignment information indication DL that in #l subframe (l is non-vanishing), sends _TTIDuring=D) the transmission of bursty data, burst is sent and is originated in the #0DL subframe.Yet,, be not considered to indicate the long TTI in the next frame to send at identical frame transmission DL bursty data and bursty data assignment information if send about the long TTI of bursty data assignment information indication of DL subframe l (l is not equal to 0).

With reference to the form 3 that is used for DL HARQ, the bursty data assignment information of in the #l of #i frame DL subframe, sending is according to N _A-MAPThe bursty data of indication in #m DL subframe sends.Yet, under long TTI transmission situation, according to the TTI of DL subframe index m and bursty data, N _TTIConfirm the beginning that bursty data sends.Therefore, in the #h of #a frame DL subframe, begin long TTI, and in the #f of #b frame UL subframe, send the HARQ feedback that is used for long TTI transmission.If UL HARQ feedback is the NACK signal, the repeating transmission of bursty data then takes place in the DL subframe of the #h of #c frame DL subframe or back.According to the index i, l and the m that obtain from the bursty data assignment information, corresponding to UL subframe index n and the N of index i, l and m _TTICome following confirm frame index a, b and c and subframe index h and f.

If D-m>=N _TTI, then in the #m of #i frame subframe, begin to send through the long TTI of bursty data assignment information indication, thus a=i and h=m.On the other hand, if D-m＜N _TTI, the then remaining DL frame period is less than N _TTIThereby, can not in the #i frame, send bursty data.Therefore, in the #0 subframe of # (i+1) frame, begin long TTI and send, and a=i+ and h=0.

What the UL HARQ in specific UL subframe fed back concentrates, and confirms to carry the index f of the UL subframe of the UL HARQ feedback that is used for bursty data according to the index l of the DL subframe of carrying the bursty data assignment information.Relation between l and the f is followed the m of definition in form 3 and the relation between the n.Therefore, in next frame, send UL HARQ feedback, thereby b=a+1 (=i+2).

For example, if 5: in the 3TDD structure, N _TTI=5, N _A-MAP=1, K=1 and Tx/Rx=3 then begin the long TTI transmission through the bursty data assignment information indication of in the #2DL of #i frame subframe (l=2), sending, because D-m (5-2)＜N in #0 (h=0) the DL subframe of # (i+1) (a=(i+1)) frame _TTI(=5) and the UL HARQ feedback that is used for bursty data are sent in #1 (n=2-1) the UL subframe of # (i+2) (b=(i+2)) frame.

In another example, if long TTI crosses over the whole DL period among the TDD DL, then beginning bursty data transmission in the #0DL subframe always.In this system, when the long TTI DL of the indication of the bursty data assignment information in the #l DL subframe sends, if l=0 then calculates subframe index m and n and the frame index j that is used for the HARQ operation through form 3.On the contrary, if l ≠ 0, then the bursty data assignment information indicates the bursty data that in the #0 subframe of # (i+1) frame of following the #i frame, begins to send.In the #nUL of #j frame subframe, send the HARQ feedback that is used for bursty data.Calculate n and j through equality (14) rather than through form 3 here.That is to say, based on the subframe index l of bursty data assignment information and the frame index of bursty data (j+1) confirm the position that the HARQ feedback is sent out (n, j).

$n=\left\{\begin{array}{cc}0,& \mathrm{for}0\&le;l<K\\ l-K,& \mathrm{for\; K}\&le;l<U+K,\mathrm{For\; D}>U\\ U-1,& \mathrm{foor\; U}+K\&le;l<D\end{array}\right.$

n＝l-K，For?D≤U

j＝((i+1)+z)mod?N.....(14)

Wherein m=0 and N _TTI=D.Therefore, through in equality (12), replacing with m and N with 0 with D respectively _TTI, calculate z through equality (15).Here, the index l based on the DL subframe of carrying the bursty data assignment information confirms n.

$z=\left\{\begin{array}{cc}0,& \mathrm{for\; n}\&GreaterEqual;\mathrm{Rx}\_\mathrm{<figure-callout\; id="1"\; label="Time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">Time</figure-callout>}\\ 1,& \mathrm{for\; n}<\mathrm{Rx}\_\mathrm{Time}\end{array}\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(15\right)\right.$

With reference to the form 4 that is used for UL HARQ, the bursty data assignment information of in the #l of #i frame DL subframe, sending is according to N _A-MAPThe bursty data that indication begins in the #m of #j frame UL subframe with DL subframe index l sends.Under long TTI transmission situation, according to the TTI of UL subframe index m and bursty data, N _TTIConfirm the beginning that bursty data sends.Therefore, in the #h of #a frame DL subframe, begin long TTI and send, and in the #f of #b frame DL subframe, send the HARQ feedback that is used for long TTI transmission.If the DLHARQ feedback is the NACK signal, the repeating transmission of bursty data then takes place in the #h of #c frame UL subframe.According to the index i that carries the bursty data assignment information and l, corresponding to UL frame index j and UL subframe index m and the N of index i and l _TTICome following confirm frame index a, b and c and subframe index h and f.

If U-m>=N _TTI, then become j=i, in the #m of #j frame subframe, begin to send through the long TTI of bursty data assignment information indication, thus a=i and h=m.On the other hand, if U-m＜N _TTI, then becoming j=i+1, the remaining UL frame period is less than N _TTIThereby, can not in the #i frame, send bursty data.Therefore, in the #0 UL subframe of # (i+1) frame, begin long TTI and send, thus a=i+1 and h=0.Because in the #lDL subframe, send DL HARQ feedback, so f=l.With reference to equality (13), if U-h-N _TTI+ 1>=Rx_Time4 then sends DL HARQ feedback in #b (b=(a+1)) frame.If U-h-N _TTI+ l＜Rx_Time4 then sends DL HARQ feedback in #b (b=(a+2)) frame.If the DLHARQ feedback is the NACK signal, then in the #h of #c frame UL subframe, begin to retransmit.Be similar to the calculating of frame index a, if a=i, then c=b.If a=i+1, then c=b+l.

For example, if 5: in the 3TDD structure, N _TTI=3, N _A-MAP=1 and Tx/Rx=3, because U-m (3-1)＜N _TTI(=3); Then in #0 (h=0) the UL subframe of # (i+1) (a=(i+1)) frame, begin to send, and the DL HARQ feedback that is used for bursty data is sent out in #2 (f=2) the UL subframe of # (i+2) (b=(i+2)) frame through the bursty data of the bursty data assignment information in the #2DL of #i frame subframe indication.If HARQ feedback is the NACK signal, then, promptly retransmit in the #0UL subframe of (b+1=i+3) frame at # (i+3) frame, be similar to that to squint based on HARQ Tx be 1 to calculate a=i+1.

In another example, if long TTI crosses over the whole UL period among the TDD UL, then beginning bursty data transmission in the #0UL subframe always.In this system, when the long TTI UL of the indication of the bursty data assignment information in #l DL subframe sends, in the #0 of #j frame subframe (m=0), begin to send bursty data corresponding to subframe index l.In the #l of #k frame DL subframe, send the HARQ feedback that is used for bursty data.If the HARQ feedback is the NACK signal, then beginning HARQ retransmits in the #0UL of #p frame subframe.Use the HARQ Tx skew v and the HARQ feedback shift w that consider that m=0 confirms, calculate frame index j, k and p through the equality that defines in the form 4.

In FDD, DL subframe and UL subframe are continuous in their different frequency bands respectively.Thereby long TTI sends and can in arbitrary subframe, begin.Yet, if in view of realizing complexity or any other factors, long TTI transmission begin to be limited to specific subframe, control information (for example, resource allocation information and HARQ feedback information) possibly concentrate in the specific sub-frame, as in TDD.Therefore, be similar to TDD, need in FDD, readjust HARQ regularly.

Begin to be limited to specific DL subframe (the DL subframe x that is used for the DL HARQ operation of FDD system) if long TTI sends, can consider that then following HARQ regularly.Long TTI sends and comprises at least one DL subframe (x ₁, x ₂..., x _Max).Here, N _A-MAPBe 1.That is to say, when (when the long TTI of bursty data assignment information indication that sends among the l ≠ x) sends, in the DL subframe, beginning long TTI and send, the long TTI transmission of this DL subframe permission after the #l subframe in #l DL subframe.

In above-mentioned situation,, then calculate subframe index m and n and the frame index j that is used for the HARQ operation through form 1 if the long TTIDL of the bursty data assignment information of sending in #l DL subframe indication sends and l=x.On the contrary, if l ≠ x, then the beginning bursty data sends in the #m frame.In the #n of #j frame UL subframe, send the HARQ feedback that is used for bursty data.Here, confirm index m, n and j through equality (16) rather than through form 1.That is to say, and the position of confirming the HARQ feedback based on the subframe index x and the frame index of the DL subframe index l of bursty data assignment information, bursty data (n, j).

$m=\left\{\begin{array}{cc}{x}_1^{\mathrm{<figure-callout\; id="0"\; label="i"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">i</figure-callout>}}& 0\&le;l\&le;x_1\\ x_2^i& x_1<l\&le;x_2\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ x_{\max }^i& x_{\max -1}\&le;l\&le;x_{\max }\\ x_1^{i+1}& x_{\max }<l<F\end{array}\right.$

n＝ceil(l+F/2)mod?F

$j=(i+\mathrm{floor}\left(\frac{\mathrm{ceil}(m+F/2)}{F}\right)+z)\mathrm{mod}N$

$z=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{ceil}(F/2)-N_{\mathrm{TTI}}+(m-l))\&GreaterEqual;\mathrm{Pr\; oces}\mathrm{<figure-callout\; id="1"\; label="sin\; g\; time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">sin</figure-callout>}\mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(16\right)$

X wherein _n ⁱThe #x of expression #i frame _nSubframe and l=0,1 ... F-1.

For example, if beginning of sending of TTI is limited to #0 DL subframe and #4DL subframe, F=8, N _TTI=4 and the Tx/Rx processing time be 3 sub-frame, then in the #4DL of #i frame subframe (m=4), begin #1, #2 or #3DL subframe (that is x, through the #i frame ₂The long TTI of bursty data assignment information=4) indication sends, and the HARQ that is used for long TTI transmission feeds back and sends in the #n UL subframe of # (i+1) frame.Here, the scope of n is from 5 to 7.Here, (ceil (8/2)-4+3) is equal to or greater than 3, thus z=0.In addition, the long TTI of the bursty data assignment information indication of the #5 through the #i frame in the #7DL subframe is sent in beginning in the #0DL subframe (m=0) of # (i+1) frame, and the HARQ that is used for long TTI transmission feeds back and sends in the #n UL subframe of # (i+2) frame.Here, the scope of n is from 1 to 3.(ceil (8/2)-4-5) is less than 3, thus z=l.

In FDD UL HARQ,, can consider that then following HARQ regularly if beginning of sending of long TTI is limited to specific UL subframe (the UL subframe y that is used for the UL HARQ operation of FDD system).Long TTI sends and comprises at least one UL subframe (y ₁, y ₂..., y _Max).

In above-mentioned situation,, then calculate subframe index m and the frame index j that is used for the HARQ operation through form 2 if the long TTIUL of the bursty data assignment information of sending in #lDL subframe indication sends and n=y.On the contrary, if n ≠ y, then the beginning bursty data sends in #m UL subframe.That is to say that the bursty data of bursty data assignment information indication in the #m of #j frame UL subframe sends.In the #l of #k frame DL subframe, send the HARQ feedback that is used for bursty data.Indicated if HARQ feedback is NACK signal or the resource allocation that is used to retransmit, then HARQ retransmits and in the #m of #p frame subframe, begins.Here, confirm index m, j, k and p through equality (17) rather than through form 2.That is to say, and the position of confirming the HARQ feedback based on the subframe index y and the frame index i of the DL subframe index l of bursty data assignment information, bursty data (m, j).

Use definite HARQ Tx skew v of consideration m=0 and HARQ feedback shift w, calculate frame index j, k and p through the equality that defines in the form 2.

$m=\left\{\begin{array}{cc}{y}_1^{\mathrm{<figure-callout\; id="0"\; label="i"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">i</figure-callout>}}& 0\&le;n\&le;y_1\\ y_2^i& {\mathrm{<figure-callout\; id="1"\; label="y"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">y</figure-callout>}}_1<n\&le;{\mathrm{<figure-callout\; id="2"\; label="y"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">y</figure-callout>}}_2\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ y_{\max }^i& y_{\max -1}\&le;n\&le;y_{\max }\\ y_1^{i+1}& y_{\max }<n<F\end{array}\right.$

n＝ceil(l+F/2)mod?F

$j=(i+\mathrm{floor}\left(\frac{\mathrm{ceil}(l+F/2)}{F}\right)+v)\mathrm{mod}N$

$v=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{ceil}(F/2)-1+(m-n))\&GreaterEqual;\mathrm{Pr\; oces}\mathrm{<figure-callout\; id="1"\; label="sin\; g\; time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">sin</figure-callout>}\mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.$

$k=(j+\mathrm{floor}\left(\frac{\mathrm{ceil}(n+F/2)}{F}\right)+w)\mathrm{mod}N$

$p=(k+\mathrm{floor}\left(\frac{\mathrm{ceil}(l+F/2)}{F}\right)+v)\mathrm{mod}N$

$w=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{floor}(F/2)-N_{\mathrm{TTI}}+(n-m))\&GreaterEqual;\mathrm{Pr\; oces}\mathrm{<figure-callout\; id="1"\; label="sin\; g\; time"\; filenames="HDA0000084819140000031.png,HDA0000084819140000041.png"\; state="\{\{state\}\}">sin</figure-callout>}\mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(17\right)$

Y wherein _n ⁱThe #y of expression #i frame _nSubframe, and l=0,1 ..., F-1.

For example, if TTI send begin to be limited to #0UL subframe and #4UL subframe (that is y, ₁=0, y ₁=4), F=8, N _TTI=4 and the Tx/Rx processing time be 3 sub-frame; Then in the #0UL subframe of # (i+1) frame, begin through the #i frame #1, #2 or #3DL subframe (promptly; Because 1≤l≤3; The long TTI of bursty data assignment information 5≤n≤7) indication sends, and the HARQ that is used for long TTI transmission feeds back and sends in #1, #2 or the #3DL subframe of # (i+2) frame.Here, (ceil (8/2)-1+0-n) is less than 3, thus v=1.Because (floor (8/2)-4+n-0) is equal to or greater than 3, so w=0.In addition; #5, #6 or #7DL subframe through the #i frame is (promptly, because 5≤l≤7; The long TTI of bursty data assignment information 1≤n≤3) indication is sent in beginning in the #4UL subframe (m=4) of # (i+1) frame, and the HARQ that is used for long TTI transmission feeds back and in the #l of # (i+2) frame (l is 5,6 and 7 one) subframe, sends.Indicated if HARQ feedback is NACK signal and the resource allocation that is used to retransmit, then HARQ retransmits and in the #4UL subframe of # (i+3) frame, begins.Because (ceil (8/2)-1+4-n) is equal to or greater than 3, so v=0.Because (floor (8/2)-4+n-4) is less than 3, so w=1.

In another example embodiment of the present invention, if in each DL subframe, send bursty data assignment information, then N _A-MAP=1.Therefore, form 1 is revised respectively to form 4 becomes form 5 to form 8.Following form can be used for confirming the transmitting time of following at least one: have that the distribution A-MAP of bursty data assignment information, HARQ that carries bursty data divide into groups, HARQ feeds back (ACK or NACK) and HARQ retransmission sub-packet.It should be understood, however, that these forms should not be interpreted as limitation of the present invention.

Form 5

Form 6

Form 7

Form 8

For example, when each superframe shown in Fig. 1 comprised four frames, N in the form 8 was 4 at form 5.If D equals the U among " the sub-grouping Tx of the HARQ among the UL " of form 7 " among the UL HARQ feedback " or form 8, then n has equality and does not consider above-mentioned equality.That is to say n=m-k.

According to the embodiment that revises; Reflector and receiver have at least one form; Said form have according to form 4 equality to form 8 or form 9 to form 12, corresponding to the end value of all possible input value; And reflector and receiver can read the end value corresponding to current input value, to confirm that HARQ regularly.In one example, input value is represented subframe index and the frame index of the distribution A-MAP IE Tx among the DL.

The embodiment that revises according to the present invention, following form 9 is confirmed the HARQ timing to the transmitting time that form 12 can be used for having through use the distribution A-MAP of bursty data assignment information.

Form 9-FDD DL HARQ regularly

Form 10-FDD UL HARQ regularly

Form 11-TDD DL HARQ regularly

Form 12-TDD UL HARQ regularly

Can following situation be thought of as example embodiment further of the present invention: the UL HARQ operation timing of foregoing description is applied to channel, and for said channel, resource allocation and UL send and are in particular kind of relationship.For example, under UL fast feedback channel situation, BS sends the resource allocation information that is used for quick UL feedback in the #l of #i frame subframe.Fast the transmission of UL feedback information regularly, that is, it is definite that frame index and subframe index are based on i and l.More particularly, through one in form 2, form 4, form 6 and the form 8 frame index j and subframe index m that confirms the UL quick feedback information.

Though this about the TDD system description in DL and UL index DL subframe and UL subframe dividually, DL subframe and UL subframe can be continuously by index in the frame that comprises DL and UL.Then UL subframe index x replaces with the subframe index d+x in the frame.

Figure 19 and Figure 20 be illustrate according to the present invention example embodiment, according to DL and diagrammatic sketch UL HARQ timing architecture, that be used for the signal flow of the operation between BS and MS.

With reference to Figure 19, BS transmitting system configuration information is to MS in step 1802.System configuration information obtains by BS broadcasting or through the negotiation between BS and the MS, to allow the MS connecting system.Realize that the HARQ timing architecture needs system configuration information, comprises the quantity of the subframe of bandwidth (sum of subframe), each link (DL and UL), the Tx/Rx processing time of BS and the Tx/Rx processing time of MS.

MS obtained system information and inserts BS from system configuration information after, in step 1804, BS and MS can carry out data communication each other.In the embodiment that revises, when MS knows system configuration information, can omit step 1804.

In step 1806, BS sends assignment information to MS in the #l of #i frame DL subframe, and said assignment information comprises or indicates frame index, subframe index, long TTI and MAP information.MS extracts the information that needs through the decoding assignment information.According at least one of the example embodiment of the present invention of preceding description, MS confirms frame index and the subframe index that each HARQ operates based on the frame index of previous HARQ operation with subframe index.

In step 1808, BS sends DL HARQ burst according to assignment information in the #h of #a frame subframe, and MS is based on assignment information decoding DL HARQ burst.In step 1810, MS sends the HARQ that is used for DL HARQ burst according to decoded result and feeds back to BS in the #f of #b frame subframe.

In step 1812, can in the #h of #c frame subframe, send next assignment information according to the predefined assignment information transmission period.If the HARQ feedback is the NACK signal, then DL HARQ burst can be retransmitted in step 1814.

With reference to Figure 20, BS transmitting system configuration information is to MS in step 1902.MS obtained system information and inserts BS from system configuration information after, BS and MS can carry out data communication each other in step 1904.

In step 1906, BS sends assignment information to MS in the #l of #i frame DL subframe, and said assignment information comprises or indicates frame index, subframe index, long TTI and MAP relevant information.MS extracts the information that needs through the decoding assignment information.According at least one of the example embodiment of the present invention of preceding description, MS confirms frame index and the subframe index that each HARQ operates based on the frame index of previous HARQ operation with subframe index.

In step 1908, MS sends UL HARQ burst according to assignment information in the #h of #a frame subframe, and BS is based on assignment information decoding UL HARQ burst.In step 1910, BS sends the HARQ feedback that be used for UL HARQ burst to MS according to decoded result in the #f of #b frame subframe, or next assignment information.If the HARQ feedback is the NACK signal, then in step 1912, can in the #h of #c frame subframe, retransmit UL HARQ burst according to predefined transmit time segments.

In order to realize the example embodiment of at least one the invention described above; Each of BS and MS all comprises controller, said controller is configured to have processor, be used for required program code of the operation of storage control and relevant parameter program code memory and be used under the control of controller reflector and the receiver with the other side's switching signal message or transfer of data.Controller is according to controlling HARQ regularly to carry out the operation of reflector and receiver at least one of the example embodiment of the present invention of preceding description.

Be apparent that from above-mentioned description; Because HARQTx is set neatly regularly in mobile radio system; Different frame structures and DL according to being used for different system bandwidths support scheme to UL ratio, legacy system, and example embodiment of the present invention allows HARQ transmission flexibly.

The quantity of the subframe that above-mentioned synchronous relation reduction receiver will be monitored, thus electric power saved.In addition, MS can more freely use predefined operation timing and another system to communicate.

Though illustrate and describe the present invention with reference to particular exemplary embodiment of the present invention; But it should be appreciated by those skilled in the art that and not break away from the spirit and scope of the present invention that limit accompanying claims and equivalent thereof carrying out various changes aspect form and the details.

Claims (30)

1. one kind is used for carrying out mixing automatic repeat requests (HARQ) method of operating at mobile radio system, and the frame that said mobile radio system uses each to have a plurality of subframes communicates, and said method comprises:

Confirm HARQ regularly according to the bursty data assignment information of in the #l of #i frame down link (DL) subframe, sending, for DL HARQ, said HARQ regularly comprises the transmitting time of DL bursty data and the transmitting time of HARQ feedback; And

Regularly carry out the HARQ operation according to the HARQ that confirms,

Wherein, through using l and i to confirm expression HARQ at least one frame index regularly and at least one subframe index.

2. the method for claim 1, wherein when using FDD (FDD) pattern, the equality through following form or have according to the form of the end value of the equality of following form and confirm HARQ regularly,

Wherein, l representes to carry the index of the subframe of distributing A-MAP IE, and said distribution A-MAP IE comprises the bursty data assignment information; I representes to carry the index of the frame that distributes A-MAP IE, and m is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and n representes to carry the index of the subframe of HARQ feedback; J representes to carry the index of the frame of HARQ feedback; F representes the sub-frame number of each frame, and N representes the number of frames of each superframe, and if each superframe have four frames; Then N is 4, and z representes DL HARQ feedback shift.

3. method as claimed in claim 2 wherein, is confirmed said DL HARQ feedback shift z through following equality according to the bursty data processing time of the sub-packet burst of HARQ,

$z=\left\{\begin{array}{cc}0,& \mathrm{for\; ceil}(F/2)-N_{\mathrm{TTI}}\&GreaterEqual;\mathrm{Rx}\_\mathrm{time}\\ 1,& \mathrm{for\; ceil}(F/2)-N_{\mathrm{TTI}}<\mathrm{Rx}\_\mathrm{time}\end{array}\right.$

Wherein ceil () representes to round up function, N _TTIThe quantity of the subframe that the grouping of expression HARQ is crossed over, and Rx_time representes the bursty data processing time.

4. method as claimed in claim 2, wherein, corresponding to beginning the repeating transmission of the bursty data of said HARQ feedback the subframe after the transmission from bursty data begins the frame of predefine quantity with identical index m.

5. method as claimed in claim 2, wherein, said execution HARQ operation comprises:

Being sent in HARQ that begins in the #m DL subframe of #i frame by base station (BS) to mobile radio station (MS) divides into groups; And

Be received in the HARQ feedback that HARQ divides into groups that is used for the #n UL subframe of #j frame by BS from MS.

6. method as claimed in claim 2, wherein, said execution HARQ operation comprises:

Being received in HARQ that begins the #m DL subframe of #i frame by MS from BS divides into groups; And

Be sent in the HARQ feedback that HARQ divides into groups that is used in the #n UL subframe of #j frame by MS to BS.

7. the method for claim 1, wherein when using fdd mode and wherein bursty data occupies the longer transmission time interval (TTI) of two or more subframes, through following equality or have according to the form of the end value of following equality and confirm the HARQ timing,

$m=\left\{\begin{array}{cc}{x}_1^i& 0\&le;l\&le;x_1\\ x_2^i& x_1<l\&le;x_2\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ x_{\max }^i& x_{\max -1}\&le;l\&le;x_{\max }\\ x_1^{i+1}& x_{\max }<l<F\end{array}\right.$

n＝ceil(l+F/2)mod?F

$j=(i+\mathrm{floor}\left(\frac{\mathrm{ceil}(m+F/2)}{F}\right)+z)\mathrm{mod}N$

$z=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{ceil}(F/2)-N_{\mathrm{TTI}}+(m-l))\&GreaterEqual;\mathrm{Pr\; oces}\sin \mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.$

Wherein, l representes to carry the index of the subframe of distributing A-MAP IE, and said distribution A-MAP IE comprises the bursty data assignment information; I representes to carry the index of the frame that distributes A-MAP IE, and m is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and n representes to carry the index of the subframe of HARQ feedback; J representes to carry the index of the frame of HARQ feedback, and F representes the sub-frame number of each frame, and N representes the number of frames of each superframe; And if each superframe has four frames; Then N is 4, and z representes DL HARQ feedback shift, and The #x of expression #i frame _nSubframe.

8. method as claimed in claim 2, wherein, when using time division duplex (TDD) pattern, the equality through following form or have according to the form of the end value of the equality of following form and confirm the HARQ timing,

Wherein, each said frame has D down link (DL) subframe and U up link (UL) subframe, and l representes to carry the index of the subframe of distributing A-MAP IE; Said distribution A-MAP IE comprises the bursty data assignment information, and the scope of l is from 0 to D-1, and i representes to carry the index of the frame that distributes A-MAP IE; M is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and n representes to carry the index of the subframe of HARQ feedback, and j representes to carry the index of the frame of HARQ feedback; N representes the number of frames of each superframe, and if each superframe have four frames, then N is 4; Z representes the DLHARQ feedback shift, if D less than U, then passes through-ceil{ (U-D)/2} calculating K; And if D is equal to or greater than U, then through floor{ (D-U)/2} calculating K.

9. method as claimed in claim 8 wherein, is confirmed said DL HARQ feedback shift z through following equality according to the bursty data processing time of the sub-packet burst of HARQ,

$z=\left\{\begin{array}{cc}0,& \mathrm{forD}-m-N_{\mathrm{TTI}}+n\&GreaterEqual;\mathrm{Rx}\_\mathrm{time}\\ 1,& \mathrm{forD}-m-N_{\mathrm{TTI}}+n<\mathrm{Rx}\_\mathrm{time}\end{array}\right.$

Wherein, N _TTIThe quantity of the subframe that the grouping of expression HARQ is crossed over, and Rx_time representes the bursty data processing time.

10. method as claimed in claim 8, wherein, the subframe with subframe index m that begins in the transmission from bursty data corresponding to the repeating transmission of the said bursty data of said HARQ feedback after the frame of predetermined quantity begins.

11. method as claimed in claim 8; Wherein, If subframe index l, m and n are as the DL subframe index; Then the scope of each among subframe index l, m and the n is to D-1 from 0; D is the quantity of the DL subframe that in each frame, defines in the period except the period of supporting legacy system, if said subframe index l, m and n as the UL subframe index, then the scope of each among subframe index l, m and the n is to U-1 from 0; U is the quantity of the UL subframe that in each frame, defines in the period except the period of supporting legacy system, and calculates said frame index through the subframe index order corresponding to the whole duration that comprises the period of supporting legacy system in each frame.

12. method as claimed in claim 8; Wherein, If said subframe index l, m and n are as the DL subframe index; Then said DL subframe index is the index that is used for the rearrangement of the DL subframe from relay station (RS) to the communication of MS; If said subframe index l, m and n be as the UL subframe index, then said UL subframe index is the index of rearrangement that is used for the UL subframe of the communication from MS to RS, and calculates said frame index through the subframe index order corresponding to the whole duration that is used for communicating by letter with RS in each frame.

13. method as claimed in claim 8, wherein, said execution HARQ operation comprises:

Being sent in HARQ that begins in the #m DL subframe of #i frame by base station (BS) to mobile radio station (MS) divides into groups; And

Be received in the HARQ feedback that HARQ divides into groups that is used for the #n UL subframe of #j frame by BS from MS.

14. method as claimed in claim 8, wherein, said execution HARQ operation comprises:

Being received in HARQ that begins the #m DL subframe of #i frame by MS from BS divides into groups; And

Be sent in the HARQ feedback that HARQ divides into groups that is used in the #n UL subframe of #j frame by MS to BS.

15. the method for claim 1; Wherein, If when tdd mode, distribution A-MAP IE indication longer transmission time interval (TTI) of comprising the bursty data assignment information sends and l is not 0; Begin in the #0DL subframe that is sent in # (i+1) frame of then dividing into groups corresponding to the HARQ of bursty data, and be used for the HARQ feedback that HARQ divides into groups and send in the #n ' of #j ' frame UL subframe, and

Wherein, said long TTI sends and means that HARQ divides into groups to cross over two or more subframes, and through following equality or have according to the form of the end value of following equality and confirm subframe index n ' and frame index j ',

$n^{\&prime;}=\left\{\begin{array}{cc}0,& \mathrm{for}0\&le;l<K\\ l-K,& \mathrm{for\; K}\&le;l<U+K,\mathrm{For\; D}>U\\ U-1,& \mathrm{foor\; U}+K\&le;l<D\end{array}\right.$

n′＝l-K，For?D≤U

j′＝((i+1)+z)mod?N.。

16. one kind is used for carrying out mixing automatic repeat requests (HARQ) method of operating at mobile radio system, the frame that said mobile radio system uses each to have a plurality of subframes communicates, and said method comprises:

Confirm that according to the bursty data assignment information of in the #l of #i frame down link (DL) subframe, sending HARQ regularly; For UL HARQ, said HARQ regularly comprises the transmitting time of up link (UL) bursty data, the transmitting time of HARQ feedback and the repeating transmission time of bursty data; And

Regularly carry out the HARQ operation according to the HARQ that confirms,

Wherein, through using l and i to confirm expression HARQ at least one frame index regularly and at least one subframe index.

17. method as claimed in claim 16, wherein, when using FDD (FDD) pattern, the equality through following form or have according to the form of the end value of the equality of following form and confirm the HARQ timing,

Wherein, l representes to carry the index of the subframe of distributing A-MAP IE, and said distribution A-MAP IE comprises the bursty data assignment information; I representes to carry the index of the frame that distributes A-MAP IE, and m is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and j representes to carry the index of the frame of HARQ feedback; F representes the sub-frame number of each frame, and N representes the number of frames of each superframe, and if each superframe have four frames; Then N is 4; K representes to carry the index of the frame of HARQ feedback, and v representes that UL HARQ sends skew, and w representes UL HARQ feedback shift.

18. method as claimed in claim 17 wherein, perhaps has the form according to the end value of following equality through following equality, according to the bursty data processing time of the sub-packet burst of HARQ, confirms that UL HARQ sends skew v and UL HARQ feedback shift w,

$v=\left\{\begin{array}{cc}0,& \mathrm{for\; ceil}(F/2)-1\&GreaterEqual;\mathrm{Rx}\_\mathrm{time}\\ 1,& \mathrm{for\; ceil}(F/2)-1<\mathrm{Rx}\_\mathrm{time}\end{array}\right.$

$w=\left\{\begin{array}{cc}0,& \mathrm{for\; floor}(F/2)-N_{\mathrm{TTI}}\&GreaterEqual;\mathrm{Rx}\_\mathrm{time}\\ 1,& \mathrm{for\; floor}(F/2)-N_{\mathrm{TTI}}<\mathrm{Rx}\_\mathrm{time}\end{array}\right.$

Wherein ceil () representes to round up function, and floor () representes downward bracket function, N _TTIThe quantity of the subframe that the grouping of expression HARQ is crossed over, and Rx_time representes the bursty data processing time.

19. method as claimed in claim 17, wherein, corresponding to the repeating transmission of the bursty data of HARQ feedback at the equality through following form or have the time of confirming according to the form of the end value of the equality of following form,

Wherein, p is illustrated in the index of the frame that the wherein repeating transmission of bursty data begins, if said HARQ feedback is to negate to confirm (NACK), then v representes that UL HARQ sends skew, and w representes the ULHARQ feedback shift.

20. method as claimed in claim 17, wherein, said execution HARQ operation comprises:

Being received in HARQ that begins the #m UL subframe of #j frame by base station (BS) from mobile radio station (MS) divides into groups;

Be sent in the HARQ feedback that HARQ divides into groups that is used in #l down link (DL) subframe of #k frame by MS to BS; And

Be received in the repeating transmission that the HARQ that begins the #m UL subframe of #p frame divides into groups by BS from MS.

21. method as claimed in claim 17, wherein, said execution HARQ operation comprises:

Being sent in HARQ that begins in the #m UL subframe of #j frame by MS to BS divides into groups;

Be received in the HARQ feedback that HARQ divides into groups that is used for the #l DL subframe of #k frame by MS from BS; And

Retransmitting the HARQ that begins from the #m UL subframe of #p frame by MS to BS divides into groups.

22. method as claimed in claim 16; Wherein, When using fdd mode and wherein bursty data occupies the longer transmission time interval (TTI) of two or more subframes, through following equality or have according to the form of the end value of following equality and confirm the HARQ timing

$m=\left\{\begin{array}{cc}{y}_1^i& 0\&le;n\&le;y_1\\ y_2^i& y_1<n\&le;y_2\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ \&CenterDot;& \&CenterDot;\\ y_{\max }^i& y_{\max -1}\&le;n\&le;y_{\max }\\ y_1^{i+1}& y_{\max }<n<F\end{array}\right.$

n＝ceil(l+F/2)mod?F

$j=(i+\mathrm{floor}\left(\frac{\mathrm{ceil}(l+F/2)}{F}\right)+v)\mathrm{mod}N$

$v=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{ceil}(F/2)-1+(m-n))\&GreaterEqual;\mathrm{Pr\; oces}\sin \mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.$

$k=(j+\mathrm{floor}\left(\frac{\mathrm{ceil}(n+F/2)}{F}\right)+w)\mathrm{mod}N$

$p=(k+\mathrm{floor}\left(\frac{\mathrm{ceil}(l+F/2)}{F}\right)+v)\mathrm{mod}N$

$w=\left\{\begin{array}{cc}0& \mathrm{if}(\mathrm{floor}(F/2)-N_{\mathrm{TTI}}+(n-m))\&GreaterEqual;\mathrm{Pr\; oces}\sin \mathrm{g\; time}\\ 1& \mathrm{else}\end{array}\right.$

Wherein, l representes to carry the index of the subframe of distributing A-MAP IE, and said distribution A-MAP IE comprises the bursty data assignment information; I representes to carry the index of the frame that distributes A-MAP IE, and m is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and n representes to carry the index of the subframe of HARQ feedback; J representes to carry the index of the frame of HARQ feedback, and F representes the sub-frame number of each frame, and N representes the number of frames of each superframe; If each superframe has four frames, then N is 4, and p is illustrated in the index of the frame that the wherein repeating transmission of bursty data begins; If the HARQ feedback is NACK, then v representes UL HARQ feedback shift, and

The #y of expression #i frame _nSubframe.

23. method as claimed in claim 16, wherein, when using time division duplex (TDD) pattern, the equality through following form or have according to the form of the end value of the equality of following form and confirm the HARQ timing,

Wherein, each said frame has D down link (DL) subframe and U up link (UL) subframe, and l representes to carry the index of the subframe of distributing A-MAP IE; Said distribution A-MAP IE comprises the bursty data assignment information, and the scope of l is from 0 to D-1, and i representes to carry the index of the frame that distributes A-MAP IE; M is illustrated in wherein the index of the subframe that transmission that HARQ corresponding to bursty data divides into groups begins, and n representes to carry the index of the subframe of HARQ feedback, and j representes to carry the index of the frame of HARQ feedback; N representes the number of frames of each superframe, if each superframe has four frames, then N is 4; K representes to carry the index of the frame of HARQ feedback, and v representes that UL HARQ sends skew, and w representes UL HARQ feedback shift; If D is less than U; Then through-ceil (U-D)/2} calculating K, and if D be equal to or greater than U, then through floor{ (D-U)/2} calculating K.

24. method as claimed in claim 23 wherein, confirms that according to the bursty data processing time of the sub-packet burst of HARQ UL HARQ sends skew v and UL HARQ feedback shift w through following equality,

$v=\left\{\begin{array}{cc}0,& \mathrm{for\; D}-l-1+m\&GreaterEqual;\mathrm{Tx}\_\mathrm{time}\\ 1,& \mathrm{for\; D}-l-1+m<\mathrm{Tx}\_\mathrm{time}\end{array}\right.$

$w=\left\{\begin{array}{cc}0,& \mathrm{for\; U}-m-N_{\mathrm{TTI}}+l\&GreaterEqual;\mathrm{Rx}\_\mathrm{time}\\ 1,& \mathrm{forU}-m-N_{\mathrm{TTI}}+l<\mathrm{Rx}\_\mathrm{time}\end{array}\right.$

Wherein, N _TTIThe quantity of the subframe that the grouping of expression HARQ is crossed over, and each the expression bursty data processing time among Tx_Time and the Rx_time.

25. method as claimed in claim 23, wherein, in the repeating transmission of time place's beginning of confirming through following form corresponding to the bursty data of HARQ feedback,

Content Subframe index Frame index The sub-grouping ReTx of HARQ among the UL m p＝(k+v)mod?4

Wherein, if HARQ feedback is to negate to confirm (NACK), then p is illustrated in the index of the frame that the wherein repeating transmission of bursty data begins.

26. method as claimed in claim 23; Wherein, If subframe index l, m and n are as the DL subframe index; Then the scope of each among subframe index l, m and the n is to D-1 from 0; D is the quantity of the DL subframe that in each frame, defines in the period except the period of supporting legacy system, if said subframe index l, m and n as the UL subframe index, then the scope of each among subframe index l, m and the n is to U-1 from 0; U is the quantity of the UL subframe that in each frame, defines in the period except the period of supporting legacy system, and calculates said frame index through the subframe index order corresponding to the whole duration that comprises the period of supporting legacy system in each frame.

27. method as claimed in claim 23; Wherein, If said subframe index l, m and n are as the DL subframe index; Then said DL subframe index is the index that is used for the rearrangement of the DL subframe from relay station (RS) to the communication of MS; If said subframe index l, m and n be as the UL subframe index, then said UL subframe index is the index of rearrangement that is used for the UL subframe of the communication from MS to RS, and calculates said frame index through the subframe index order corresponding to the whole duration that is used for communicating by letter with RS in each frame.

28. method as claimed in claim 23, wherein, said execution HARQ operation comprises:

Being received in HARQ that begins the #m UL subframe of #j frame by base station (BS) from mobile radio station (MS) divides into groups;

Be sent in the HARQ feedback that HARQ divides into groups that is used in the #lDL subframe of #k frame by BS to MS; And

Receive the sub repeating transmission of dividing into groups of HARQ that begins from the #m UL subframe of #p frame from MS by BS.

29. method as claimed in claim 23, wherein, said execution HARQ operation comprises:

Being sent in HARQ that begins in the #m UL subframe of #j frame by MS to BS divides into groups;

Be received in the HARQ feedback that HARQ divides into groups that is used for the #l DL subframe of #k frame by MS from BS; And

Retransmitting HARQ that begins from the #m UL subframe of #p frame by MS to BS divides into groups.

30. method as claimed in claim 16; Wherein, If when tdd mode, comprise that the distribution A-MAP IE indication longer transmission time interval (TTI) of bursty data assignment information sends, begin in the #0UL subframe that is sent in the #j frame of then dividing into groups corresponding to HARQ of bursty data, and be used for the HARQ feedback that HARQ divides into groups and send in the #l of #p frame UL subframe; And wherein said long TTI sends and means that HARQ divides into groups to cross over two or more subframes.

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