CN101807984B - Method and device for scheduling synchronous HARQ and wireless communication system - Google Patents
Method and device for scheduling synchronous HARQ and wireless communication system Download PDFInfo
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Abstract
The invention discloses a method and a device for scheduling a synchronous HARQ and a wireless communication system. In the method, a base station acquires processing delay of a terminal before the synchronous HARQ is established; the base station determines a first serial number of a subframe used by burst transmission or burst retransmission of uplink data in the process of the synchronous HARQ and a second serial number of a subframe used by downlink feedback signaling in the process of the synchronous HARQ according to preset information, wherein the preset information comprises the processing delay of the terminal and processing delay of the base station. The technical scheme can improve system link efficiency and reduce system cost to a certain extent.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to dispatching method, device and the wireless communication system of a kind of synchronous hybrid automatic repeat request (Hybrid Automatic Repeat Request, referred to as HARQ).
Background technology
Mixed automatic retransfer request (Hybrid Automatic Repeat Request, referred to as HARQ) technology is to traditional HARQ (Automatic Repeat Request, referred to as ARQ) improvement of technology, it has merged ARQ and forward error correction (Forward ErrorCorrection, FEC) technology, thereby while having reduced, become fading channel to receiving the impact of data Block Error Rate, make wireless communication system that higher, more stable data throughput can be provided.At present, HARQ has become such as the key technology in the 4G system of Long Term Evolution (Long-Term Evolution, referred to as LTE) system and IEEE 802.16m system.
HARQ process mainly comprises following processing: (1) data sending terminal is to data receiver transmission data burst or burst retransmission; (2) data receiver sends feedback signaling to data sending terminal; (3) data sending terminal and the data receiver arrangement scheduling to HARQ process.
Synchronous HARQ refers to that data burst transmission or burst retransmission and corresponding feedback signaling send constantly at the channel of appointment, for synchronous HARQ, except the signaling consumption when setting up HARQ process, system need to not re-use system signaling in HARQ process.
At a typical time division duplex (Time Division Duplex, referred to as TDD) in system, in order to reduce the system delay causing due to system link structure, and the data load on can flexible allocation Uplink/Downlink, by a radio frames Further Division, be a plurality of subframes that time granularity is less conventionally.The time span of one of them subframe is called as a Transmission Time Interval (Transmission Time Interval, referred to as TTI).Up link and down link are distributed in respectively in one section of continuous subframes, in concrete application, the ratio of lower/upper line link in a radio frames is variable, and for example, Fig. 1 shows the method for salary distribution of a radio frames in TDD system, as shown in Figure 1, a radio frames is divided into 8 subframes, and wherein, front 5 continuous subframes are assigned to down link, rear 3 continuous subframes are assigned to up link, and the ratio of lower/upper line link is 5: 3.
In TDD system, the data burst transmission/burst retransmission of synchronous HARQ and the arrangement of feedback signaling scheduling need to be considered the factors such as processing time delay of the upstate of current wireless frame/subframe, lower/upper line link ratio, base station and terminal.Particularly, process time delay and comprise receiving terminal time delay and transmitting terminal time delay.Wherein, receiving terminal time delay refers to that data receiver is from receiving data burst transmission or burst retransmission to the time interval that is ready to corresponding feedback signaling; Transmitting terminal time delay refers to that data sending terminal feeds back signal to from receiving the time interval that is ready to data burst transmission next time or burst retransmission.Processing delay determines by the disposal ability of equipment, and generally, the disposal ability of base station equipment is stronger, processes time delay relatively less, for example 1～2TTI.And due to the difference of design, the disposal ability difference of different terminal equipment is larger, processing time delay may be 1～3TTI.
At present, when design, the all base station equipments of General Requirements and all terminal equipments all meet respectively fixing processing delay requirement, if the fixedly processing time delay of selecting is excessive, can reduce system link efficiency, if but the fixedly processing time delay of selecting is too small, can improve the requirement to the disposal ability of equipment, for end terminal equipment, improve its disposal ability and can increase its cost.
Summary of the invention
In view of this, the invention provides the scheduling scheme of a kind of improved HARQ, in order to solve in prior art owing to requiring all terminals all to meet identical processing time delay, thus the problem that causes the cost of terminal to increase.
A kind of dispatching method of synchronous hybrid automatic repeat request is provided according to an aspect of the present invention.
According to the dispatching method of synchronous hybrid automatic repeat request of the present invention, comprise: before synchronous HARQ is set up, base station obtains the processing delay of terminal; Base station is according to presupposed information, determine the first sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process or burst retransmission are used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, above-mentioned presupposed information comprises: the processing delay of terminal and the processing delay of base station.
Further, above-mentioned presupposed information also comprises that the up link of current wireless frame and the ratio of down link, the upstate of current wireless frame are, the upstate of the subframe of current wireless frame.
According to another aspect of the present invention, provide a kind of base station.
Base station according to the present invention comprises: acquisition module, for obtaining the processing delay of terminal; Determination module, for determining according to presupposed information and the synchronous HARQ process upstream data burst transmission of terminal or the first sequence number of the subframe that burst retransmission is used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, above-mentioned presupposed information comprises: the processing delay of terminal and the processing delay of base station.
Further, above-mentioned presupposed information also comprises: the upstate of the upstate of the up link of current wireless frame and the ratio of down link, current wireless frame, the subframe of current wireless frame.
According to a further aspect of the invention, provide a kind of wireless communication system.
Wireless communication system according to the present invention comprises: terminal and base station, and wherein, terminal is processed time delay for determine it according to its disposal ability; Base station is for according to the processing time delay of the processing time delay of himself and the terminal that gets, determine the sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process or burst retransmission are used, and the sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used.
By above-mentioned at least one scheme of the present invention, according to the processing time delay of base station and terminal, determine in real time the scheduling scheme of synchronous HARQ process, can solve in prior art owing to requiring all terminals all to meet identical processing time delay, thereby the problem that the cost that causes terminal increases, can improve to a certain extent system link efficiency, reduce system cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in the specification write, claims and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is the method for salary distribution schematic diagram of a kind of radio frames in TDD system in prior art;
Fig. 2 is according to the structural representation of the wireless communication system of the embodiment of the present invention;
Fig. 3 is according to the structural representation of the base station of the embodiment of the present invention;
Fig. 4 is the structural representation of base station according to the preferred embodiment of the invention;
Fig. 5 is according to the flow chart of the dispatching method of the synchronous HARQ of the embodiment of the present invention;
Fig. 6 is the flow chart of the dispatching method of synchronous HARQ according to the preferred embodiment of the invention.
Embodiment
Functional overview
The embodiment of the present invention in prior art owing to requiring all terminals all to meet identical processing time delay, thereby the problem that causes the cost of terminal to increase has proposed a kind of scheduling scheme of improved synchronous HARQ.In the technical scheme providing in the embodiment of the present invention, before synchronous HARQ is set up, terminal, according to its disposal ability, is determined its processing time delay.Base station obtains the processing time delay of terminal, and process the processing time delay of time delay and base station according to this, determine in synchronous HARQ process the sequence number for the subframe of transmits upstream data burst transmission and burst retransmission, and in synchronous HARQ process for transmitting the sequence number of the subframe of downstream feedback signaling.
In the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the present invention, first a kind of wireless communication system is provided, in this system, use synchronous HARQ technology.
Fig. 2 is according to the structural representation of the wireless communication system of this bright embodiment, as shown in Figure 2, according to the wireless communication system of the embodiment of the present invention, comprises: terminal 1 and base station 2.Wherein, terminal 1 is processed time delay for determine it according to its disposal ability; Base station 2 is for according to the processing time delay of the processing time delay of himself and the terminal 1 that gets, determine the sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process and burst retransmission are used, and the sequence number of the subframe of downstream feedback signaling use in this synchronous HARQ process.Particularly, terminal 1 is after determining its processing time delay, can be processed time delay and be sent to base station 2, the processing time delay that base station 2 receiving terminals 1 send, get the processing time delay of terminal 1, be not limited to the method, in specific implementation process, other base station 2 can get the method for the processing time delay of terminal 1 and also can apply in embodiments of the present invention.
In specific implementation process, above-mentioned terminal 1 is connected by wireless communication link with base station 2, and this wireless communication link is divided into a plurality of radio frames in time, each radio frames is further divided into again N the more subframe SFI_i of small grain size, wherein, and i=1, ..., N.The time length of field of each subframe is a TTI.And, in a radio frames, start k continuous subframes and be assigned to 2 down links to terminal 1 from base station, rear N-k continuous subframes be assigned to from terminal 1 to base station 2 up link.Wherein lower/upper line link ratio is k/ (N-k).
Particularly, base station 2 sends feedback signaling by the feedback signaling channel with terminal 1 to terminal 1, and terminal 12 sends bursty data or burst retransmissions by the burst transfers of data/retransfer channel with base station 2 to base station.
Particularly, the disposal ability of base station 2 is reflected as it as the processing delay Nb of receiving terminal.Wherein, Nb represents to receive after the data burst transmission or burst retransmission of self terminal 1 when base station 2, can within (Nb1) * TTI time, be ready to corresponding feedback signal and prepare to mail to terminal 1.
Particularly, the disposal ability of terminal 1 is reflected as it as the processing delay Nt of transmitting terminal.Wherein, Nt represents to receive after the feedback signal from data burst transmission before 2 pairs of base stations or burst retransmission when terminal 1, can within (Nt+1) * TTI time, be ready to data burst transmission or burst retransmission next time, and prepares to mail to base station 2.
Wherein, a synchronous HARQ process is being carried the bursty data from above-mentioned terminal 1 to above-mentioned base station 2.Double data burst transmission in this HARQ process or burst retransmission complete in a wireless frame period, and transmission cycle is not more than N * TTI.
The above-mentioned wireless communication system providing according to the embodiment of the present invention, can be according to the transmission subframe of the processing Delay distribution synchronous HARQ of base station and terminal.
According to the embodiment of the present invention, a kind of base station is also provided, the base station 2 that this base station can be used as in above-mentioned wireless communication system is used in this wireless communication system.
Fig. 3 is according to the structural representation of the base station of the embodiment of the present invention, as shown in Figure 3, according to the base station of the embodiment of the present invention, mainly comprises: acquisition module 11 and determination module 13.Wherein, acquisition module 11 is for obtaining the processing delay of terminal; Determination module 13 is connected with acquisition module 11, for determining according to presupposed information and the synchronous HARQ process upstream data burst transmission of above-mentioned terminal or the first sequence number of the subframe that burst retransmission is used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, this presupposed information comprises: the processing delay of above-mentioned terminal and the processing delay of this base station.
Particularly, as shown in Figure 4, above-mentioned determination module 13 can comprise: computing unit 131 and selected cell 133.Wherein, computing unit 131 meets the right combination of subframe numbers of following three conditions for calculating a radio frames, and wherein, each subframe numbers is to comprising subframe numbers i and subframe numbers j.
1≤j≤k；(1)
k+1≤i≤N；(2)
(Nt+1)≤i-j≤[N-(Nb+1)]；(3)
Wherein, the processing delay that Nb is this base station, the processing delay that Nt is above-mentioned terminal, N is the quantity of the subframe that comprises in current wireless frame, and in current wireless frame, the subframe of subframe numbers 1 to k is assigned to down link.
In specific implementation process, computing unit 131 can travel through the sequence number of the subframe of current wireless frame, obtains the sequence pair that meets above-mentioned three conditions.
Selected cell 133, be used for according to the upstate of the subframe of above-mentioned radio frames, the combinations thereof obtaining from computing unit 131, selecting its corresponding subframe is available subframe numbers pair, using the right subframe numbers i of this subframe numbers of selecting as above-mentioned the first sequence number, it is the sequence number of the subframe that in synchronous HARQ process, upstream data burst transmission or burst retransmission are used, using the right subframe numbers j of this subframe numbers of selecting as above-mentioned the second sequence number, the sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used.
In specific implementation process, combinations thereof can Real-time Obtaining, also can preserve in advance the combinations thereof that above-mentioned computing unit 131 obtains, when HARQ initialization, according to the processing time delay of the terminal receiving, search combinations thereof, thereby obtain corresponding sequence number pair, therefore, this base station also comprises: memory cell 135, be connected the combinations thereof obtaining for preserving computing unit 131 with computing unit 131; Selected cell 133 is according to the upstate of the subframe of current wireless frame, and the combinations thereof of preserving from memory cell 135, selecting its corresponding subframe is available subframe numbers pair.
The above-mentioned base station providing according to the embodiment of the present invention, can, in the starting stage of synchronous HARQ, according to the processing delay of terminal and base station, distribute the subframe of using in synchronous HARQ process.
According to the embodiment of the present invention, a kind of dispatching method of synchronous HARQ is also provided, realize above-mentioned wireless communication system or base station that the method can be provided by the embodiment of the present invention.
Fig. 5 is according to the flow chart of the dispatching method of the synchronous HARQ of the embodiment of the present invention, as shown in Figure 5, according to the dispatching method of the synchronous HARQ of the embodiment of the present invention, mainly comprises following processing (step S501-step S503):
Step S501: before HARQ sets up, base station obtains the processing delay of terminal;
In specific implementation process, when synchronous HARQ procedure initialization, terminal determines that according to its disposal ability it processes time delay Nt, and to base station, reports that it processes time delay Nt, or by the processing time delay Nt of base station this terminal of active obtaining.
Step S503: base station is according to presupposed information, determine the first sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process or burst retransmission are used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, this presupposed information comprises: the processing delay of above-mentioned terminal and the processing delay of this base station.
In specific implementation process, above-mentioned presupposed information also include but not limited to following one of at least: the upstate of the upstate of the up link of current wireless frame and the ratio of down link, current wireless frame, the subframe of current wireless frame.
In specific implementation process, fixing during the ratio of up link and down link in a radio frames in the wireless link between certain terminal and certain base station, when this terminal is switched to another community, this ratio may change.In actual application, a radio frames that is divided into 8 subframes, lower/upper line link ratio can be for following one of any: 2: 6,3: 5,4: 4,5: 3,6: 2.The processing time delay Nb of base station is one or two TTI, and the processing time delay Nt of terminal can be one or two or three TTI.
Above-mentioned the first sequence number and the second sequence number, according to above-mentioned presupposed information, can be determined by following processing in base station:
Step 1: obtain and meet the right combination of pre-conditioned subframe numbers, wherein, each subframe numbers to comprise subframe numbers i (i=k+1 ..., N, wherein, N is greater than 1 integer, the quantity of the subframe that indication current wireless frame comprises, k is the subframe numbers of the subframe of last down link in current wireless frame) and subframe numbers j (j=1, ..., k);
Step 2: according to the upstate of each subframe in current wireless frame, select a subframe numbers pair in definite combination from step 1, the subframe that the subframe numbers i of this subframe numbers centering and subframe numbers j are corresponding is current available subframe;
Step 3: using the right subframe numbers i of the subframe numbers of selecting as above-mentioned the first sequence number, subframe numbers j is as above-mentioned the second sequence number.
In specific implementation process, also can be by the combination pre-determining in step 1, and preserve this combination, when synchronous HARQ procedure initialization, base station is carried out above-mentioned steps 2 and select a subframe numbers pair from the combination of preserving, then performs step 3.
Particularly, pre-conditioned the comprising in above-mentioned steps 1:
1≤j≤k；
k+1≤i≤N；
(Nt+1)≤i-j≤[N-(Nb+1)]；
Wherein, the processing delay that Nb is this base station, the processing delay that Nt is this terminal.In above-mentioned steps 1, base station can travel through the sequence number of current wireless frame, to obtain, meets above-mentioned pre-conditioned subframe numbers to (subframe numbers i and subframe numbers j).
In specific implementation process, the sequence number of base station traversal current wireless frame, the combinations thereof getting may comprise a plurality of subframe numbers pair, if having a plurality of subframe numbers in this combination is all available to the current state of subframe corresponding to the subframe numbers comprising, subframe numbers i and the subframe numbers j of a centering can be selected arbitrarily in base station, the sequence number of the subframe of using as sequence number and the downstream feedback signaling of the subframe that in synchronous HARQ process, upstream data burst transmission or burst retransmission are used.
In specific implementation process, after the sequence number of subframe and the sequence number of the subframe that downstream feedback signaling is used that base station upstream data burst transmission or burst retransmission in getting synchronous HARQ process are used, the concrete assignment information of notification terminal; If the current state that combinations thereof is the subframe that the subframe numbers of each subframe numbers centering in sky or combinations thereof is corresponding is unavailable, base station is by the failure of terminal HARQ channel allocation, terminal is after receiving this notice, can select again to attempt that (information that sends is to base station, indication base station sub-distribution again), or terminal stops synchronous HARQ, no longer carries out HARQ.In specific implementation process, base station can not send notice to terminal yet, and synchronous HARQ is attempted or stop to terminal, after sending its scheduled time of processing time delay, if do not receive the assignment information of subframe in the notice synchronous HARQ process of base station, again.
The dispatching method of the above-mentioned synchronous HARQ providing according to the embodiment of the present invention, can distribute the subframe that transmits upstream data burst is transmitted or burst retransmission is used in synchronous HARQ process according to the disposal ability of base station and terminal, and the subframe of downstream feedback signaling use.
For further understanding the specific implementation process of the technical scheme that the embodiment of the present invention provides, below by a preferred embodiment, describe.
In this embodiment, a radio frames is divided into 8 subframes, and lower/upper line link ratio can be 2: 6 or 3: 5 or 4: 4 or 5: 3 or 6: 2.The time span of one of them subframe is a TTI.The processing time delay of base station is one or two TTI.The processing time delay of terminal equipment can be one or two or three TTI.
In the present embodiment, the double data burst transmission in a synchronous HARQ process or burst retransmission complete in a wireless frame period, and transmission cycle is not more than 8 * TTI.
Fig. 6 is the flow chart of the present embodiment, and as shown in Figure 6, in the present embodiment, the scheduling process of synchronous HARQ mainly comprises following processing:
Step S601: base station A and terminal B are when consulting initialization uplink synchronous HARQ process, and terminal B, to the processing time delay Nt as data sending terminal of base station A reporting terminal B, is equivalent to the step S501 in above-mentioned Fig. 5.
Step S603: base station A is according to the above-mentioned processing time delay Nt of terminal B report and the local processing time delay Nb as data receiver, determine in synchronous HARQ process, the subframe sequence number i that upstream data burst or re-transmission are used, and the subframe sequence number j that uses of the feedback signal of descending correspondence.
In the present embodiment, in advance according to the ratio of the different Uplink/Downlink between base station A and terminal B, the different disposal time delay Nt of the different disposal time delay Nb of base station A and terminal B, according to above-mentioned above-mentioned pre-conditioned, the subframe numbers of each subframe in traversal radio frames, can obtain all i/j combinations that can select in each case, and result is kept to base station, in the present embodiment, the described i/j combination that can select that preserve base station is as shown in table 1, in table 1, n/a is illustrated in this lower/upper line link ratio, receiving terminal (being base station A) is processed time delay, transmitting terminal (being terminal B) is processed in time delay situation cannot distribute i/j combination, DL/UL is the ratio of down link and up link.
Table 1.
Base station is according to current situation, it is the value of ratio of processing time delay Nt, current down link and up link of processing time delay Nb, the terminal B of current base station A, from table 1, obtain the i/j combination corresponding with present case, and according to the upstate of each subframe in current wireless frame, in the i/j obtaining combination, obtain suitable i/j couple.
Particularly, such as, current Nb=1, Nt=3, the ratio of down link and up link is 3: 5, base station obtains i/j combination as shown in table 2 from table 1.
Table 2.
| i | j |
| n/a | n/a |
| 4 | n/a |
| 5 | 1 |
| 6 | 1，2 |
| 7 | 1，2，3 |
| 8 | 2，3 |
The subframe sequence number of supposing subframe available in current wireless frame comprises: 1,3,4,6 and 8, current available i/j is to comprising: i=5 and j=1, i=6 and j=1, i=8 and j=3, base station can be selected arbitrarily a pair of from these three couples of i/j, the sequence number of the subframe that the value of the i of this centering upstream data burst transmission or burst retransmission in synchronous HARQ process are used, the sequence number of the subframe that the value of j is used as downstream feedback signaling in synchronous HARQ process.
In specific implementation process, this i/j combination, select successively available i/j combination from table 2 after, if subframe SFI_i or SFI_j cannot be assigned with, is abandoned in base station, continues to find available i/j combination in the remaining i/j combination of table 2.
Step S605: determining step S603 neutron frame number i and subframe sequence number j determine whether successfully, if so, perform step S607; Otherwise, execution step S609.
Above-mentioned steps S603 and step S605 are equivalent to the step S503 in Fig. 5.
In specific implementation process, base station obtains the i/j combination corresponding with present case and may currently all cannot use from above-mentioned table 1, determines subframe numbers i and j failure; Or the i/j corresponding with present case that base station obtains from above-mentioned table 1 is combined as sky, such as, if Nb=1, Nt=4 do not exist the i/j combination corresponding with this situation in table 1, determine subframe numbers i and j failure.
Step S607: base station A sends the sub-frame information of HARQ channel allocation to terminal B, i.e. the subframe sequence number i that above-mentioned upstream data burst or re-transmission used, and the subframe sequence number j that uses of the feedback signal of descending correspondence;
In specific implementation process, base station A can be carried at subframe sequence number i and subframe sequence number j and in first subframe, send to terminal B.
Step S609: base station A sends the indication of indication HARQ channel allocation failure to terminal B.
As mentioned above, the technical scheme providing by the embodiment of the present invention, by determining in real time the scheduling scheme of synchronous HARQ process according to the disposal ability of base station and terminal, can solve in prior art owing to requiring all terminals all to meet identical processing time delay, thereby the problem that the cost that causes terminal increases, can improve to a certain extent system link efficiency, reduce system cost, improve user and experience.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a dispatching method of synchronous hybrid automatic repeat request HARQ, is characterized in that, comprising:
Before synchronous HARQ is set up, base station obtains the processing delay of terminal;
Described base station is according to presupposed information, determine the first sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process or burst retransmission are used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, described presupposed information comprises: the processing delay of described terminal and the processing delay of described base station;
Wherein,
Described presupposed information also comprise following one of at least: the upstate of the upstate of the up link of current wireless frame and the ratio of down link, current wireless frame, the subframe of current wireless frame;
By following processing, determine described the first sequence number, described the second sequence number: determine and meet the right combination of pre-conditioned subframe numbers, wherein, each subframe numbers is to comprising subframe numbers i and subframe numbers j; According to the upstate of the subframe of current wireless frame, from described combination, select a subframe numbers pair, using the described subframe numbers of selecting to the subframe numbers i comprising and subframe numbers j respectively as described the first sequence number and described the second sequence number; Wherein, i and j are natural number, and i is not equal to j.
2. method according to claim 1, is characterized in that, by following processing, determines described the first sequence number, described the second sequence number:
Obtain the right combination of the subframe numbers that meets predetermined condition of preserving in advance, wherein, each subframe numbers is to comprising subframe numbers i and subframe numbers j;
According to the upstate of the subframe of current wireless frame, from described combination, select a subframe numbers pair;
Using the described subframe numbers of selecting to the subframe numbers i comprising and subframe numbers j respectively as described the first sequence number and described the second sequence number;
Wherein, i and j are natural number, and i is not equal to j.
3. method according to claim 1 and 2, is characterized in that, described pre-conditioned comprising:
1≤j≤k;
k＋1≤i≤N；
(Nt＋1)≤i－j≤[N－(Nb＋1)]；
Wherein, the processing delay that Nb is described base station, the processing delay that Nt is described terminal, N is the quantity of the subframe that comprises in current wireless frame, in current wireless frame, the subframe of subframe numbers 1 to k is assigned to down link.
4. method according to claim 1 and 2, is characterized in that, described method also comprises:
If met, be describedly combined as sky described in pre-conditioned, or all subframe numbers in described combination all can not use to corresponding subframe, notify described terminal HARQ channel allocation failure.
5. method according to claim 1 and 2, is characterized in that, after definite described the first sequence number and described the second sequence number, described method also comprises:
Described base station notifies described the first sequence number and described the second sequence number determined to described terminal.
6. a base station, is characterized in that, comprising:
Acquisition module, for obtaining the processing delay of terminal;
Determination module, for determining according to presupposed information and the synchronous HARQ process upstream data burst transmission of described terminal or the first sequence number of the subframe that burst retransmission is used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, described presupposed information comprises: the processing delay of described terminal and the processing delay of described base station;
Wherein,
Described presupposed information also comprise following one of at least: the upstate of the upstate of the up link of current wireless frame and the ratio of down link, current wireless frame, the subframe of current wireless frame;
Described determination module comprises: computing unit, and the right combination of subframe numbers meeting the following conditions for calculating a radio frames, wherein, each subframe numbers is to comprising subframe numbers i and subframe numbers j:1≤j≤k; K+1≤i≤N; (Nt+1)≤i-j≤[N-(Nb+1)]; Wherein, the processing delay that Nb is described base station, the processing delay that Nt is described terminal, N is the quantity of the subframe that comprises in current wireless frame, in current wireless frame, the subframe of subframe numbers 1 to k is assigned to down link; Selected cell, be used for according to the upstate of the subframe of described current wireless frame, the combination obtaining from described computing unit, select a subframe numbers pair, using the right subframe numbers i of the described subframe numbers of selecting and subframe numbers j respectively as described the first sequence number and described the second sequence number.
7. base station according to claim 6, is characterized in that, described determination module also comprises:
Memory cell, the described combination obtaining for preserving described computing unit;
Described selected cell is used for according to the upstate of the subframe of current wireless frame, the described combination of preserving from described memory cell, select a subframe numbers pair, using the described subframe numbers of selecting to the subframe numbers i comprising and subframe numbers j respectively as described the first sequence number and described the second sequence number.
8. a wireless communication system, is characterized in that, comprising: terminal and base station, wherein,
Described terminal, for determining its processing delay according to its disposal ability;
Described base station, be used for according to presupposed information, determine the first sequence number of the subframe that the transmission of upstream data burst in synchronous HARQ process or burst retransmission are used, and the second sequence number of the subframe that in synchronous HARQ process, downstream feedback signaling is used, wherein, described presupposed information comprises: the processing delay of described terminal and the processing delay of described base station;
Wherein, presupposed information also comprise following one of at least: the upstate of the upstate of the up link of current wireless frame and the ratio of down link, current wireless frame, the subframe of current wireless frame;
By following processing, determine the first sequence number, the second sequence number: determine and meet the right combination of pre-conditioned subframe numbers, wherein, each subframe numbers is to comprising subframe numbers i and subframe numbers j; According to the upstate of the subframe of current wireless frame, from described combination, select a subframe numbers pair, using the described subframe numbers of selecting to the subframe numbers i comprising and subframe numbers j respectively as described the first sequence number and described the second sequence number; Wherein, i and j are natural number, and i is not equal to j.
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| WO2015077959A1 (en) * | 2013-11-28 | 2015-06-04 | 华为技术有限公司 | Method and device for sending and receiving frame number |
| WO2015172363A1 (en) * | 2014-05-15 | 2015-11-19 | 华为技术有限公司 | Data transmission apparatuses and methods |
| JP6457096B2 (en) * | 2015-01-21 | 2019-01-23 | テレフオンアクチーボラゲット エルエム エリクソン（パブル） | Network node, wireless device and method for processing automatic repeat request (ARQ) feedback information performed in them |
| CN106301696B (en) * | 2015-05-26 | 2019-08-06 | 电信科学技术研究院 | A kind of the bursty data sending, receiving method and device of ultralow time delay business |
| WO2017193394A1 (en) * | 2016-05-13 | 2017-11-16 | 华为技术有限公司 | Response information transmission method and apparatus |
| WO2018010143A1 (en) | 2016-07-14 | 2018-01-18 | 广东欧珀移动通信有限公司 | Communication method, base station and user equipment |
| CN107889097B (en) * | 2016-09-30 | 2022-01-28 | 中兴通讯股份有限公司 | Processing method, device and system for uplink scheduling |
| WO2018126415A1 (en) * | 2017-01-05 | 2018-07-12 | 广东欧珀移动通信有限公司 | Feedback information transmission method, network device and terminal device |
| CN113473619B (en) | 2017-09-14 | 2022-04-12 | 华为技术有限公司 | Method and apparatus for signal processing |
| CN110890944B (en) * | 2018-09-11 | 2022-10-28 | 中兴通讯股份有限公司 | Method for realizing automatic retransmission function and related site |
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| CN101222309A (en) * | 2008-01-25 | 2008-07-16 | 中兴通讯股份有限公司 | Configuration method and device for LTE TDD system ascending HARQ course |
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