CN106357372A - Method and device for avoiding feedback message resource conflict as well as base station and terminal - Google Patents

Method and device for avoiding feedback message resource conflict as well as base station and terminal Download PDF

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Publication number
CN106357372A
CN106357372A CN201611021214.2A CN201611021214A CN106357372A CN 106357372 A CN106357372 A CN 106357372A CN 201611021214 A CN201611021214 A CN 201611021214A CN 106357372 A CN106357372 A CN 106357372A
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China
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terminal
numbering
feedback
control message
base station
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不公告发明人
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Meizu Technology Co Ltd
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Meizu Technology Co Ltd
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Priority to CN201611021214.2A priority Critical patent/CN106357372A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • H04W74/0841Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085Random access procedures, e.g. with 4-step access with collision treatment collision avoidance

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method and a device for avoiding feedback message resource conflict as well as a base station and a terminal. The method comprises the following steps of: respectively sending downlink data and a downlink control message to at least one first terminal on a first downlink subframe and at least one second terminal on a second downlink subframe, wherein the first terminal and the second terminal support different feedback delays respectively, a serial number of a first control channel unit occupied by the downlink control message sent to each first terminal belongs to a first serial number set, the serial number of the first control channel unit occupied by the downlink control message sent to each second terminal belongs to a second serial number set, and each serial number contained in the first serial number set is different from each serial number contained in the second serial number set; and receiving ACK or NACK feedback information, aiming at downlink data, respectively fed back by each first terminal on a first PUCCH resource and each second terminal on a second PUCCH resource. By adopting the technical scheme of the invention, the feedback message resource conflict can be effectively avoided.

Description

Avoid method, device, base station and the terminal of feedback message resource contention
Technical field
The present invention relates to communication technical field, in particular to a kind of method avoiding feedback message resource contention, one Plant device, a kind of base station and a kind of terminal avoiding feedback message resource contention.
Background technology
With the development of mobile Internet, emerge the applied business meeting various specific functions in a large number.Some of them Business is relatively low to data delay requirement, and such as receiving and dispatching mail downloads movies;But separately there are some business that data delay is had strictly Requirement, such as network on-line plays, rushes to purchase, robbing red packet etc., and the time delay that this kind of business is usually required user data to the greatest extent may be used Can short.With regard to how obtaining shorter user face data time delay, current lte (long term evolution, Long Term Evolution) Two kinds of thinkings are mainly had, a kind of is that (transmission time interval sends using shorter tti in standard discussion Time interval), that is, data transmit-receive interval adopts the tti more shorter than current 1ms, to reduce data processing time delay;Another kind is For the terminal of highest version, support shorter data processing time delay in the case of 1ms tti to reduce harq (hybrid Automatic repeat request, mixed automatic retransfer agreement) waiting time of feeding back.For example in current lte fdd In (frequency division duplexing, FDD) system, the downlink data that descending sub frame n sends, need Corresponding ack/nack feedback just can be received to sub-frame of uplink n+4, and the terminal of highest version has the data processing of higher performance Ability, thus it is possible to shorten this feedback delay, for example can be in sub-frame of uplink n+3 with regard to ack/nack can be carried out Feedback.
It is possible to the harq ack/nack supporting 4-m ms (m >=1) under 1ms tti occurs in following lte network Highest version ue (user equipment, user terminal) of feedback delay, and only supports current 4ms ack/nack feedback delay Legacy ue situation about coexisting.In this case, the ack/nack message of two kinds of different ue is it may happen that resource is rushed Prominent, it is described as follows:
In lte system, in the case that ue does not have upstream data information to need simultaneous transmission, ue is directed to base station descending The downlink data that subframe n sends, its corresponding ack/nack feedback message is placed on the pucch (physical of sub-frame of uplink n+4 Uplink control channel, physical uplink control channel) middle (it is assumed that using pucch format 1) transmitted, The resource that pucch takies calculates according to below equation:
npucch=ncce+n(1) pucch
Wherein, ncceCorrespond to dci (the downlink control that this ue is issued in base station in descending sub frame n Information, downlink control message) shared by first cce (control channel element, control channel list Unit) numbering.n(1) pucchIt it is one of base station high-level signaling configuration for the general numerical value of full cell terminal.
If in subframe n, the numbering for first cce of the dci of the ue1 supporting 4ms feedback delay is ncce1, In subframe n+m, the numbering for first cce of the dci of the ue2 supporting 4-m ms feedback delay is also ncce1, then according to upper State computing formula, the same resource in sub-frame of uplink n+4 is all fed back by the ack/nack feedback information of two terminals.This Sample is the formation of the feedback information resource contention of ue1 and ue2.
In correlation technique, such as proposing in 3gpp motion r1-167891 can be by n(1) pucchIt is set to ue-specific's Parameter, to solve feedback information resource contention, has an independent n for each ue(1) pucchNumerical value, but due to each Cce shared by the dci of terminal is uncertain, can produce with the difference of the factors such as the situation of dispatch terminal and subframe numbers Changing, and how n is set(1) pucchNumerical value with ensure each ue be not in resource contention be still a complicated problem, And do not provide feasible n in motion r1-167891 yet(1) pucchDesign, so still cannot efficiently solve feedback message The problem of resource contention.
Therefore, feedback message resource contention how is avoided to become technical problem urgently to be resolved hurrily.
Content of the invention
The present invention is based at least one above-mentioned technical problem it is proposed that a kind of new avoid feedback message resource contention Scheme, feedback message resource contention can be effectively prevented from.
In view of this, the present invention proposes a kind of method avoiding feedback message resource contention, for base station, comprising: point Do not send out at least one first terminal and on the second descending sub frame at least one second terminal on the first descending sub frame Send downlink data and downlink control message, wherein, when described first terminal and described second terminal support different feedbacks respectively Prolong, the numbering being sent to shared by the downlink control message of each described first terminal first control channel unit belongs to One numbering collection, is sent to the numbering of first control channel unit shared by the downlink control message of each described second terminal Belong to the second numbering collection, each numbering that each numbering that described first numbering collection comprises is comprised with described second numbering collection is all not Identical;Receive each described first terminal in a pucch resource and each described second terminal is in the 2nd pucch resource The upper ack or nack feedback information for described downlink data feeding back respectively, wherein, a described pucch resource corresponds to The numbering of shared by downlink control message first control channel unit that each described first terminal receives, described second Shared by downlink control message first control channel unit that pucch resource receives corresponding to each described second terminal Numbering.
In this technical scheme, by disappearing to first terminal transmission downlink data and descending control on the first descending sub frame Breath, sends downlink data and downlink control message to second terminal on the second descending sub frame, wherein, is sent to each first end The numbering of shared by downlink control message first control channel unit of end and each second terminal differs, according to Formula npucch=ncce+n(1) pucchUnderstand, ncceThe pucch money that difference, first terminal and second terminal take in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
It is preferable that the numbering of described first descending sub frame is n in technique scheme, described second descending sub frame Numbering is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m millisecond feedback The terminal of time delay, wherein, n and m is natural number, and 0≤m < 4.
It is preferable that described first numbers the numbering number of collection and described first terminal in any of the above-described technical scheme Number corresponding, each corresponding corresponding first terminal of numbering of described first numbering collection, the volume of described second numbering collection Number number is corresponding with the number of described second terminal, and each numbering corresponding corresponding second of described second numbering collection is eventually End.
According to the second aspect of the invention it is proposed that a kind of method avoiding feedback message resource contention, for terminal, wrap Include: receive downlink data and the downlink control message that base station sends;In pucch resource to described base station feedback be directed to described under Ack the or nack feedback information of row data;Wherein, shared by the downlink control message that the terminal of the different feedback delay of support receives The numbering of first control channel unit differs, shared by described pucch resource and described downlink control message The numbering of first control channel unit be one-to-one.
In this technical scheme, different feedback delay, when sending downlink data and Downlink Control Information, are supported in base station The numbering of first control channel unit shared by the downlink control message that terminal receives differs, according to formula npucch=ncce+n(1) pucchUnderstand, ncceDifference, supports the pucch money that the terminal of different feedback delay takies in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
In technique scheme it is preferable that in the case that described terminal supports 4 milliseconds of feedback delay, described reception Downlink data and the step of downlink control message that base station sends, specifically include: receive described base station and send on descending sub frame n Described downlink data and described downlink control message;In the case that described terminal supports 4-m millisecond feedback delay, described connect Receive the downlink data of base station transmission and the step of downlink control message, specifically include: receive described base station on descending sub frame n+m The described downlink data sending and described downlink control message;It is directed to described in the described resource in pucch to described base station feedback The step of the ack or nack feedback information of downlink data, specifically includes: to described base in the pucch resource of sub-frame of uplink n+4 Ack the or nack feedback information for described downlink data for the feedback of standing;Wherein, n and m is natural number, and 0≤m < 4.
According to the third aspect of the invention we it is proposed that a kind of device avoiding feedback message resource contention, for base station, wrap Include: transmitting element, for respectively on the first descending sub frame at least one first terminal and on the second descending sub frame to At least one second terminal sends downlink data and downlink control message, and wherein, described first terminal and described second terminal are divided Do not support different feedback delay, be sent to first control letter shared by the downlink control message of each described first terminal The numbering of road unit belongs to the first numbering collection, is sent to first shared by the downlink control message of each described second terminal The numbering of control channel unit belongs to the second numbering collection, each numbering that described first numbering collection comprises and described second numbering collection Each numbering comprising all differs;Receiving unit, for receive each described first terminal in a pucch resource and Ack the or nack feedback letter for described downlink data that each described second terminal is fed back in the 2nd pucch resource respectively Breath, wherein, shared by the downlink control message that a described pucch resource receives corresponding to each described first terminal the The numbering of one control channel unit, the descending control that described 2nd pucch resource receives corresponding to each described second terminal The numbering of first control channel unit shared by message processed.
In this technical scheme, by disappearing to first terminal transmission downlink data and descending control on the first descending sub frame Breath, sends downlink data and downlink control message to second terminal on the second descending sub frame, wherein, is sent to each first end The numbering of shared by downlink control message first control channel unit of end and each second terminal differs, according to Formula npucch=ncce+n(1) pucchUnderstand, ncceThe pucch money that difference, first terminal and second terminal take in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
It is preferable that the numbering of described first descending sub frame is n in technique scheme, described second descending sub frame Numbering is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m millisecond feedback The terminal of time delay, wherein, n and m is natural number, and 0≤m < 4.
It is preferable that described first numbers the numbering number of collection and described first terminal in any of the above-described technical scheme Number corresponding, each corresponding corresponding first terminal of numbering of described first numbering collection, the volume of described second numbering collection Number number is corresponding with the number of described second terminal, and each numbering corresponding corresponding second of described second numbering collection is eventually End.
According to the fourth aspect of the invention it is proposed that a kind of device avoiding feedback message resource contention, for terminal, wrap Include: receiving unit, for receiving downlink data and the downlink control message of base station transmission;Feedback unit, in pucch resource On to described base station feedback be directed to described downlink data ack or nack feedback information;Wherein, support the end of different feedback delay The numbering terminating shared by downlink control message the first control channel unit receiving differs, described pucch money Source is one-to-one with the numbering of first control channel unit shared by described downlink control message.
In this technical scheme, different feedback delay, when sending downlink data and Downlink Control Information, are supported in base station The numbering of first control channel unit shared by the downlink control message that terminal receives differs, according to formula npucch=ncce+n(1) pucchUnderstand, ncceDifference, supports the pucch money that the terminal of different feedback delay takies in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
In technique scheme it is preferable that described receiving unit specifically for: described terminal support 4 milliseconds feedback In the case of time delay, receive described downlink data and the described downlink control message that described base station sends on descending sub frame n;? In the case that described terminal supports 4-m millisecond feedback delay, it is described descending that the described base station of reception sends on descending sub frame n+m Data and described downlink control message;Described feedback unit specifically for: to described in the pucch resource of sub-frame of uplink n+4 Base station feedback is directed to ack the or nack feedback information of described downlink data;Wherein, n and m is natural number, and 0≤m < 4.
According to the fifth aspect of the invention it is also proposed that a kind of base station, comprising: as any one of technique scheme The device avoiding feedback message resource contention.
According to the sixth aspect of the invention it is also proposed that a kind of terminal, comprising: as any one of technique scheme The device avoiding feedback message resource contention.
By above technical scheme, feedback message resource contention can be effectively prevented from.
Brief description
Fig. 1 shows the exemplary flow of the method avoiding feedback message resource contention according to an embodiment of the invention Figure;
Fig. 2 shows the signal stream of the method avoiding feedback message resource contention according to another embodiment of the invention Cheng Tu;
Fig. 3 shows the schematic block of the device avoiding feedback message resource contention according to an embodiment of the invention Figure;
Fig. 4 shows the schematic block of the device avoiding feedback message resource contention according to another embodiment of the invention Figure;
Fig. 5 shows the schematic block diagram of base station according to an embodiment of the invention;
Fig. 6 shows the schematic block diagram of terminal according to an embodiment of the invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not described below Specific embodiment restriction.
Fig. 1 shows the exemplary flow of the method avoiding feedback message resource contention according to an embodiment of the invention Figure.
As shown in figure 1, the method avoiding feedback message resource contention according to an embodiment of the invention, for base Stand, comprising:
Step 102, respectively on the first descending sub frame at least one first terminal and on the second descending sub frame to At least one second terminal sends downlink data and downlink control message, and wherein, described first terminal and described second terminal are divided Do not support different feedback delay, be sent to first control letter shared by the downlink control message of each described first terminal The numbering of road unit belongs to the first numbering collection, is sent to first shared by the downlink control message of each described second terminal The numbering of control channel unit belongs to the second numbering collection, each numbering that described first numbering collection comprises and described second numbering collection Each numbering comprising all differs.
Step 104, receives each described first terminal in a pucch resource and each described second terminal is Ack the or nack feedback information for described downlink data feeding back respectively in two pucch resources, wherein, a described pucch The volume of shared by downlink control message first control channel unit that resource receives corresponding to each described first terminal Number, receive corresponding to each described second terminal shared by downlink control message first of described 2nd pucch resource The numbering of control channel unit.
In this technical scheme, by disappearing to first terminal transmission downlink data and descending control on the first descending sub frame Breath, sends downlink data and downlink control message to second terminal on the second descending sub frame, wherein, is sent to each first end The numbering of shared by downlink control message first control channel unit of end and each second terminal differs, according to Formula npucch=ncce+n(1) pucchUnderstand, ncceThe pucch money that difference, first terminal and second terminal take in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
It is preferable that the numbering of described first descending sub frame is n in technique scheme, described second descending sub frame Numbering is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m millisecond feedback The terminal of time delay, wherein, n and m is natural number, and 0≤m < 4.
It is preferable that described first numbers the numbering number of collection and described first terminal in any of the above-described technical scheme Number corresponding, each corresponding corresponding first terminal of numbering of described first numbering collection, the volume of described second numbering collection Number number is corresponding with the number of described second terminal, and each numbering corresponding corresponding second of described second numbering collection is eventually End.
Specifically it is assumed that base station is to be sent out using the k terminal (i.e. first terminal) of 4ms feedback delay on descending sub frame n Descending scheduling is sent to instruct, first cce numbering carrying its corresponding dci is n respectivelycce1, ncce2..., nccek(i.e. the first numbering The numbering concentrated), then base station is to be sent using the terminal (i.e. second terminal) of 4-m ms feedback delay on descending sub frame n+m During descending scheduling instruction, avoid first cce to number is ncce1Or ncce2Or ... nccekPdcch resource, additionally, holding Gone after dci esource impact in subframe n+m, you can will storage ncce1, ncce2..., nccekDelete, a large amount of internal memories need not be increased, Very little is affected on base station scheduling algorithm, standard is not affected simultaneously, and be avoided that the situation of feedback resources conflict.
Fig. 2 shows the signal stream of the method avoiding feedback message resource contention according to another embodiment of the invention Cheng Tu.
As shown in Fig. 2 the method avoiding feedback message resource contention according to another embodiment of the invention, for end End, comprising:
Step 202, receives downlink data and the downlink control message that base station sends.
Step 204, is directed to ack the or nack feedback letter of described downlink data in pucch resource to described base station feedback Breath;Wherein, support shared by downlink control message first control channel unit that the terminal of different feedback delay receives Numbering differ, described pucch resource and first control channel unit shared by described downlink control message Numbering is one-to-one.
In this technical scheme, different feedback delay, when sending downlink data and Downlink Control Information, are supported in base station The numbering of first control channel unit shared by the downlink control message that terminal receives differs, according to formula npucch=ncce+n(1) pucchUnderstand, ncceDifference, supports the pucch money that the terminal of different feedback delay takies in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
In technique scheme it is preferable that in the case that described terminal supports 4 milliseconds of feedback delay, described reception Downlink data and the step of downlink control message that base station sends, specifically include: receive described base station and send on descending sub frame n Described downlink data and described downlink control message;In the case that described terminal supports 4-m millisecond feedback delay, described connect Receive the downlink data of base station transmission and the step of downlink control message, specifically include: receive described base station on descending sub frame n+m The described downlink data sending and described downlink control message;It is directed to described in the described resource in pucch to described base station feedback The step of the ack or nack feedback information of downlink data, specifically includes: to described base in the pucch resource of sub-frame of uplink n+4 Ack the or nack feedback information for described downlink data for the feedback of standing;Wherein, n and m is natural number, and 0≤m < 4.
Fig. 3 shows the schematic block of the device avoiding feedback message resource contention according to an embodiment of the invention Figure.
As shown in figure 3, the device 300 avoiding feedback message resource contention according to an embodiment of the invention, it is used for Base station, comprising: transmitting element 302 and receiving unit 304.
Wherein, transmitting element 302 be used for respectively on the first descending sub frame at least one first terminal and second To at least one second terminal transmission downlink data and downlink control message on descending sub frame, wherein, described first terminal and institute State second terminal and support different feedback delay respectively, be sent to shared by the downlink control message of each described first terminal The numbering of first control channel unit belongs to the first numbering collection, is sent to the downlink control message institute of each described second terminal The numbering of the first control channel unit taking belongs to the second numbering collection, each numbering and institute that described first numbering collection comprises State each numbering that the second numbering collection comprises all to differ;Receiving unit 304 is used for receiving each described first terminal first In pucch resource and each described second terminal feed back respectively in the 2nd pucch resource for described downlink data Ack or nack feedback information, wherein, the descending control that a described pucch resource receives corresponding to each described first terminal The numbering of first control channel unit shared by message processed, described 2nd pucch resource corresponds to each described second end Terminate the numbering of shared by downlink control message the first control channel unit receiving.
In this technical scheme, by disappearing to first terminal transmission downlink data and descending control on the first descending sub frame Breath, sends downlink data and downlink control message to second terminal on the second descending sub frame, wherein, is sent to each first end The numbering of shared by downlink control message first control channel unit of end and each second terminal differs, according to Formula npucch=ncce+n(1) pucchUnderstand, ncceThe pucch money that difference, first terminal and second terminal take in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
It is preferable that the numbering of described first descending sub frame is n in technique scheme, described second descending sub frame Numbering is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m millisecond feedback The terminal of time delay, wherein, n and m is natural number, and 0≤m < 4.
It is preferable that described first numbers the numbering number of collection and described first terminal in any of the above-described technical scheme Number corresponding, each corresponding corresponding first terminal of numbering of described first numbering collection, the volume of described second numbering collection Number number is corresponding with the number of described second terminal, and each numbering corresponding corresponding second of described second numbering collection is eventually End.
Fig. 4 shows the schematic block of the device avoiding feedback message resource contention according to another embodiment of the invention Figure.
As shown in figure 4, the device 400 avoiding feedback message resource contention according to another embodiment of the invention, use In terminal, comprising: receiving unit 402 and feedback unit 404.
Wherein, receiving unit 402 is used for receiving downlink data and the downlink control message of base station transmission;Feedback unit 404 For ack the or nack feedback information of described downlink data is directed to described base station feedback on pucch resource;Wherein, support The numbering of first control channel unit shared by the downlink control message that the terminal of different feedback delay receives is not phase With, the numbering of described pucch resource and first control channel unit shared by described downlink control message is one a pair Answer.
In this technical scheme, different feedback delay, when sending downlink data and Downlink Control Information, are supported in base station The numbering of first control channel unit shared by the downlink control message that terminal receives differs, according to formula npucch=ncce+n(1) pucchUnderstand, ncceDifference, supports the pucch money that the terminal of different feedback delay takies in feedback information Source differs, thus being effectively prevented from feedback message resource contention.
In technique scheme it is preferable that described receiving unit 402 specifically for: described terminal support 4 milliseconds anti- In the case of feedback time delay, receive described downlink data and the described downlink control message that described base station sends on descending sub frame n; Described terminal support 4-m millisecond feedback delay in the case of, receive described base station send on descending sub frame n+m described under Row data and described downlink control message;Described feedback unit 404 specifically for: in the pucch resource of sub-frame of uplink n+4 to Described base station feedback is directed to ack the or nack feedback information of described downlink data;Wherein, n and m is natural number, and 0≤m < 4.
Fig. 5 shows the schematic block diagram of base station according to an embodiment of the invention.
As shown in figure 5, base station 500 according to an embodiment of the invention, comprising: the as shown in Figure 3 feedback message that avoids provides The device 300 of source conflict.
Fig. 6 shows the schematic block diagram of terminal according to an embodiment of the invention.
As shown in fig. 6, terminal 600 according to an embodiment of the invention, comprising: the as shown in Figure 4 feedback message that avoids provides The device 400 of source conflict.
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes a kind of new feedback that avoids and disappears The scheme of breath resource contention, can be effectively prevented from feedback message resource contention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (12)

1. a kind of method avoiding feedback message resource contention, for base station it is characterised in that including:
Respectively on the first descending sub frame at least one first terminal and on the second descending sub frame at least one second Terminal sends downlink data and downlink control message, and wherein, described first terminal and described second terminal are supported different respectively Feedback delay, is sent to the numbering of first control channel unit shared by the downlink control message of each described first terminal Belong to the first numbering collection, be sent to first control channel unit shared by the downlink control message of each described second terminal Numbering belong to the second numbering collection, each volume that each numbering that described first numbering collection comprises is comprised with described second numbering collection Number all differ;
Receive each described first terminal in a pucch resource and each described second terminal is in the 2nd pucch resource The upper ack or nack feedback information for described downlink data feeding back respectively, wherein, a described pucch resource corresponds to The numbering of shared by downlink control message first control channel unit that each described first terminal receives, described second Shared by downlink control message first control channel unit that pucch resource receives corresponding to each described second terminal Numbering.
2. method according to claim 1 is it is characterised in that the numbering of described first descending sub frame is n, under described second The numbering of row subframe is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m The terminal of millisecond feedback delay, wherein, n and m is natural number, and 0≤m < 4.
3. method according to claim 1 and 2 is it is characterised in that the numbering number and described the of described first numbering collection The number of one terminal is corresponding, the corresponding corresponding first terminal of each numbering of described first numbering collection, described second numbering The numbering number of collection is corresponding with the number of described second terminal, and each of described second numbering collection is numbered and corresponded to one corresponding the Two terminals.
4. a kind of method avoiding feedback message resource contention, for terminal it is characterised in that including:
Receive downlink data and the downlink control message that base station sends;
Ack the or nack feedback information of described downlink data is directed to described base station feedback on pucch resource;
Wherein, support shared by downlink control message first control channel unit that the terminal of different feedback delay receives Numbering differ, described pucch resource and first control channel unit shared by described downlink control message Numbering is one-to-one.
5. method according to claim 4 it is characterised in that described terminal support 4 milliseconds of feedback delay in the case of, Downlink data and the step of downlink control message that described reception base station sends, specifically include:
Receive described downlink data and the described downlink control message that described base station sends on descending sub frame n;
In the case that described terminal supports 4-m millisecond feedback delay, downlink data and descending control that described reception base station sends The step of message processed, specifically includes:
Receive described downlink data and the described downlink control message that described base station sends on descending sub frame n+m;
The step that the ack or nack feedback information of described downlink data is directed to described base station feedback on the described resource in pucch, Specifically include:
Ack the or nack feedback letter of described downlink data is directed to described base station feedback on the pucch resource of sub-frame of uplink n+4 Breath;
Wherein, n and m is natural number, and 0≤m < 4.
6. a kind of device avoiding feedback message resource contention, for base station it is characterised in that including:
Transmitting element, for respectively on the first descending sub frame at least one first terminal and on the second descending sub frame to At least one second terminal sends downlink data and downlink control message, and wherein, described first terminal and described second terminal are divided Do not support different feedback delay, be sent to first control letter shared by the downlink control message of each described first terminal The numbering of road unit belongs to the first numbering collection, is sent to first shared by the downlink control message of each described second terminal The numbering of control channel unit belongs to the second numbering collection, each numbering that described first numbering collection comprises and described second numbering collection Each numbering comprising all differs;
Receiving unit, for receiving each described first terminal in a pucch resource and each described second terminal exists Ack the or nack feedback information for described downlink data feeding back respectively in 2nd pucch resource, wherein, described first Shared by downlink control message first control channel unit that pucch resource receives corresponding to each described first terminal Numbering, shared by the downlink control message that described 2nd pucch resource receives corresponding to each described second terminal The numbering of one control channel unit.
7. device according to claim 6 is it is characterised in that the numbering of described first descending sub frame is n, under described second The numbering of row subframe is n+m, and described first terminal is the terminal supporting 4 milliseconds of feedback delay, and described second terminal is to support 4-m The terminal of millisecond feedback delay, wherein, n and m is natural number, and 0≤m < 4.
8. the device according to claim 6 or 7 is it is characterised in that the numbering number and described the of described first numbering collection The number of one terminal is corresponding, the corresponding corresponding first terminal of each numbering of described first numbering collection, described second numbering The numbering number of collection is corresponding with the number of described second terminal, and each of described second numbering collection is numbered and corresponded to one corresponding the Two terminals.
9. a kind of device avoiding feedback message resource contention, for terminal it is characterised in that including:
Receiving unit, for receiving downlink data and the downlink control message of base station transmission;
Feedback unit, for being directed to ack the or nack feedback letter of described downlink data in pucch resource to described base station feedback Breath;
Wherein, support shared by downlink control message first control channel unit that the terminal of different feedback delay receives Numbering differ, described pucch resource and first control channel unit shared by described downlink control message Numbering is one-to-one.
10. device according to claim 9 it is characterised in that
Described receiving unit specifically for:
Described terminal support 4 milliseconds of feedback delay in the case of, receive described base station send on descending sub frame n described under Row data and described downlink control message;
In the case that described terminal supports 4-m millisecond feedback delay, receive the institute that described base station sends on descending sub frame n+m State downlink data and described downlink control message;
Described feedback unit specifically for:
Ack the or nack feedback letter of described downlink data is directed to described base station feedback on the pucch resource of sub-frame of uplink n+4 Breath;
Wherein, n and m is natural number, and 0≤m < 4.
A kind of 11. base stations are it is characterised in that include: avoid feedback message resource as any one of claim 6 to 8 The device of conflict.
A kind of 12. terminals are it is characterised in that include: the dress avoiding feedback message resource contention as described in claim 9 or 10 Put.
CN201611021214.2A 2016-11-15 2016-11-15 Method and device for avoiding feedback message resource conflict as well as base station and terminal Pending CN106357372A (en)

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