CN108259142A - For the method and device of feeding back downlink link signal sending times information - Google Patents

For the method and device of feeding back downlink link signal sending times information Download PDF

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Publication number
CN108259142A
CN108259142A CN201611249742.3A CN201611249742A CN108259142A CN 108259142 A CN108259142 A CN 108259142A CN 201611249742 A CN201611249742 A CN 201611249742A CN 108259142 A CN108259142 A CN 108259142A
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CN
China
Prior art keywords
sending times
mpdsch
mpdcch
base station
code
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Granted
Application number
CN201611249742.3A
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Chinese (zh)
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CN108259142B (en
Inventor
郑会平
曹清
钱军民
聂子青
彭曦
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Nokia Shanghai Bell Co Ltd
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Nokia Shanghai Bell Co Ltd
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Priority to CN201611249742.3A priority Critical patent/CN108259142B/en
Publication of CN108259142A publication Critical patent/CN108259142A/en
Application granted granted Critical
Publication of CN108259142B publication Critical patent/CN108259142B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The object of the present invention is to provide the method and devices for feeding back downlink link signal sending times information.Wherein, the method in the present invention in the terminal for feeding back downlink link signal sending times information includes：The DCI from base station equipment is received, wherein the DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH；Based on the feedback instruction, the sending times information for MPDSCH and/or MPDCCH is sent to the base station equipment.Compared with prior art, the present invention is based on the feedback instructions of base station equipment, from mobile terminal to base station equipment feeding back downlink link signal sending times information, simplify estimation procedure of the base station equipment for down link signal sending times, and the prediction accuracy for down link signal sending times is improved, so as to improve system performance.

Description

For the method and device of feeding back downlink link signal sending times information
Technical field
It is retransmitted in the terminal for feeding back downlink link signal the present invention relates to the communications field more particularly to one kind secondary The method and devices of number information and it is a kind of in base station equipment for additional feedback down link signal sending times information Method and device.
Background technology
CatM mobile terminals are weaker for the decoding capability of downlink channel, thus for downlink (including MPDCCH and MPDSCH) retransmission mechanism is introduced to improve successfully decoded possibility.But since wireless channel is unstable, because This, base station is difficult to rational sending times of the Accurate Prediction for MPDCCH or MPDSCH.If sending times configuration is too low, move Dynamic terminal will be unable to correct decoding, and if sending times configuration is excessively high, the wasting of resources will be caused, and also increase mobile whole The delay at end.
In order to estimate downlink quality so as to predict the sending times of down link signal, it is proposed that one kind is based on CQI And the dynamic algorithm of MPDSCH rate of false alarms.But since MPDCCH is demodulated based on demodulated reference signal (DMRS), because This, is inaccurate based on the MPDCCH sending times that CQI and MPDSCH rate of false alarms are predicted.In addition, this algorithm is also excessively multiple It is miscellaneous.Therefore, it is a problem to be solved down link signal sending times how to be better anticipated.
Invention content
The object of the present invention is to provide a kind of in the terminal for feeding back downlink link signal sending times information Method and device, it is a kind of in base station equipment for additional feedback down link signal sending times information method and device, A kind of mobile terminal of the device including for feeding back downlink link signal sending times information, one kind are included for additional feedback The base station equipment of the device of down link signal sending times information and a kind of including above-mentioned mobile terminal and base station equipment System.
According to an aspect of the present invention, it provides a kind of in the terminal for feeding back downlink link signal sending times The method of information, wherein, the method includes：
The DCI from base station equipment is received, wherein the DCI includes the repeating transmission time for MPDSCH and/or MPDCCH The feedback instruction of number information；
It is indicated based on the feedback, sends to the base station equipment and believe for the sending times of MPDSCH and/or MPDCCH Breath.
According to another aspect of the present invention, one kind is provided, additional feedback down link signal weight is used in base station equipment The method for sending out number information, wherein, the method includes：
DCI is sent to mobile terminal, wherein, the DCI includes the sending times for MPDSCH and/or MPDCCH The feedback instruction of information；
Receive the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
According to a further aspect of the invention, it provides a kind of in the terminal for the repeating transmission time of feeding back downlink link signal The device of number information, wherein, described device includes：
For receiving the DCI from base station equipment, wherein the DCI includes the weight for MPDSCH and/or MPDCCH Send out the device of the feedback instruction of number information；
It is used to indicate based on the feedback, the repeating transmission time for MPDSCH and/or MPDCCH is sent to the base station equipment The device of number information.
According to a further aspect of the invention, one kind is provided, additional feedback down link signal weight is used in base station equipment The device of number information is sent out, wherein, described device includes：
It is used to send DCI to mobile terminal, wherein, the DCI includes the repeating transmission for MPDSCH and/or MPDCCH The device of the feedback instruction of number information；
For receiving the device of the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
According to a further aspect of the invention, a kind of mobile terminal is provided, wherein, the mobile terminal is included according to above The device for feeding back downlink link signal sending times information.
According to a further aspect of the invention, a kind of base station equipment is provided, wherein, the base station equipment includes described above The device for additional feedback down link signal sending times information.
According to a further aspect of the invention, it provides and a kind of is for feeding back downlink link signal sending times information System, the system comprises mobile terminal described above and base station equipments described above.
Compared with prior art, the present invention is based on the instruction of the feedback of base station equipment, by from mobile terminal to base station equipment Feeding back downlink link signal sending times information, simplifies estimation of the base station equipment for down link signal sending times Journey, and the prediction accuracy for down link signal sending times is improved, so as to improve system performance.
Description of the drawings
Will be more fully understood the present invention by the detailed description and the accompanying drawings forth below, wherein identical unit by Identical reference numeral represents that attached drawing is merely possible to what explanation provided, therefore is not intended to limit the invention, and its In：
Fig. 1 show according to an exemplary embodiment in the terminal for feeding back downlink link signal retransmit time The flow chart of the method for number information.
Fig. 2 shows be used for additional feedback down link signal weight in base station equipment according to an exemplary embodiment Send out the flow chart of the method for number information.
Fig. 3 show according to an exemplary embodiment in the terminal for feeding back downlink link signal retransmit time The schematic diagram of the device of number information.
Fig. 4 show according to an exemplary embodiment in base station equipment be used for additional feedback down link signal weight Send out the schematic diagram of the device of number information.
It should be mentioned that these attached drawing meant for illustration utilized in some of the exemplary embodiments method, structure and/ Or the general characteristic of material, and supplement is made to the written description provided below.But these attached drawings are not necessarily drawn to scale And it may not reflect the accurate structure or performance characteristics of any given embodiment accurately, and should not be explained Into definition or limit the range of the numerical value covered by exemplary embodiment or attribute.In each picture using similar or complete Identical reference numeral is the presence in order to show similar or identical unit or feature.
Specific embodiment
Although exemplary embodiment can by way of example be shown in the accompanying drawings there are many modification and alternative forms Some of which embodiment, and will be described in detail herein.It should be understood, however, that it is not intended to show Example property embodiment is restricted to disclosed concrete form, on the contrary, exemplary embodiment intention covers the model fallen in claims Enclose interior all modifications, equivalent scheme and alternative.Identical reference numeral refers to identical always in the description of each width figure Unit.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail The processing described as flow chart or method.Although operations are described as the processing of sequence by flow chart, therein to be permitted Multioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When it The processing can be terminated when operation is completed, it is also possible to have the additional step being not included in attached drawing.The processing It can correspond to method, function, regulation, subroutine, subprogram etc..
Term " wireless device " used herein above or " equipment " can be considered as synonymous with the following terms and later In can be referred to as the following terms sometimes：It is client, user equipment, movement station, mobile subscriber, mobile terminal, subscriber, user, remote Journey station, access terminal, receiver, mobile unit etc., and the long-range of radio resource in cordless communication network can be described User.
Similarly, term " base station " used herein above can be considered as synonymous with the following terms and below sometimes It can be referred to as the following terms：B node, evolved B node, eNodeB, base transceiver stations (BTS), RNC etc., and can be with Description communicates with mobile terminal in the cordless communication network that can cross over multiple technology generations and provided radio resource Transceiver.Other than implementing the ability of method discussed herein, base station discussed herein can have and traditional crowd The associated institute in well known base station is functional.
Method (some of them are illustrated by flow) discussed hereafter can be by hardware, software, firmware, centre Part, microcode, hardware description language or its arbitrary combination are implemented.Implement when with software, firmware, middleware or microcode When, to implement the program code of necessary task or code segment can be stored in machine or computer-readable medium and (for example deposit Storage media) in.(one or more) processor can implement necessary task.
Specific structure and function details disclosed herein are only representative, and are for describing showing for the present invention The purpose of example property embodiment.But the present invention can be implemented, and be not interpreted as by many alternative forms It is limited only by the embodiments set forth herein.
Although it should be understood that may have been used term " first ", " second " etc. herein to describe each unit, But these units should not be limited by these terms.The use of these items is only for by a unit and another unit It distinguishes.For example, in the case of the range without departing substantially from exemplary embodiment, it is single that first unit can be referred to as second Member, and similarly second unit can be referred to as first unit.Term "and/or" used herein above include one of them or The arbitrary and all combination of more listed associated items.
It should be understood that when a unit is referred to as " connecting " or during " coupled " to another unit, can directly connect It connects or is coupled to another unit or there may be temporary location.In contrast, when a unit is referred to as " directly connecting Connect " or " direct-coupling " to another unit when, then there is no temporary locations.It should explain in a comparable manner and be used to retouch State the relationship between unit other words (such as " between being in ... " compared to " between being directly in ... ", " and with ... it is adjacent Closely " compared to " with ... be directly adjacent to " etc.).
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Should also When understanding, term " comprising " and/or "comprising" used herein above provide stated feature, integer, step, operation, The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit, Component and/or a combination thereof.
It should further be mentioned that in some replaces realization modes, the function/action being previously mentioned can be according to different from attached The sequence indicated in figure occurs.For example, depending on involved function/action, the two width figures shown in succession actually may be used Substantially simultaneously to perform or can perform in a reverse order sometimes.
Unless otherwise defined, otherwise all terms (including technical and scientific term) used herein all have with it is exemplary The identical meaning that technical staff in embodiment fields is generally understood.It is to be further understood that unless herein by It explicitly defines, otherwise those terms for example defined in usually used dictionary should be construed as having to it in related neck The consistent meaning of meaning in the context in domain, without should be explained according to Utopian or too formal meaning.
The some parts of exemplary embodiment and corresponding detailed description are by the software in computer storage or calculation Method and the symbolic indication of the operation of data bit is provided.These descriptions and expression be those skilled in the art to The description and expression of its work essence are effectively conveyed to others skilled in the art.As being typically used it, Term " algorithm " used herein above is envisaged as obtaining the self-congruent sequence of steps of desired result.The step is Need those steps to physical magnitude progress physical manipulation.Usually rather than it is necessary that these quantity take can be stored, The optics that transmits, combine, compare and be manipulated otherwise, the form of electric or magnetic signal.Primarily for usual The reason of use, it has proved that be sometimes just these signals as bits, numerical value, element, symbol, character, item, number etc. Profit.
By the symbol with reference to action and the operation that may be implemented as program module or function treatment in description below Number (such as in a flowchart) is represented to describe illustrative embodiment, described program module or function treatment include implementing special Determine task or implement the routine of particular abstract data type, program, object, component, data structure etc., and can utilize Existing hardware at existing network unit is implemented.Such existing hardware can include one or more central processing unit (CPU), digital signal processor (DSP), application-specific integrated circuit, field programmable gate array (FPGA) computer etc..
But it would be recognized that all these and similar terms should be associated with appropriate physical magnitude, and It is only the facility label for being applied to these quantity.Unless clearly Stated otherwise or from discussion, it is apparent that Otherwise such as terms such as " processing ", " calculating ", " determining " or " display " refer to that computer system or the calculating of similar electronics are set Standby action and processing, to physics, the electron amount being represented as in the register and memory of the computer system Data are manipulated, and be converted into be similarly represented as the computer system memory or register or other Other data of this type of information storage, transmission or the physical magnitude in display equipment.
It should further be mentioned that some form of program is typically encoded in terms of the software implementation of exemplary embodiment Implement on storage medium or by certain type of transmission medium.Described program storage medium can be magnetic (such as soft Disk or hard disk drive) or optics (such as aacompactadisk read onlyamemory or " CD ROM ") storage medium, and can be read-only Or random-access storage medium.Similarly, the transmission medium can be twisted-pair feeder, coaxial cable, optical fiber or in the art Certain known other appropriate transmission medium.The exemplary embodiment not limit in terms of by these of any given realization method System.
Processor and memory can carry out running gear function with a biconditional operation.For example, memory can store about The code segment of apparatus function.The code segment can be performed again by processor.In addition, memory can store processing variable and often Number device for processing uses.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows to be used for feeding back downlink link signal weight in the terminal according to the embodiment of one aspect of the invention Send out the flow chart of the method for number information.
Wherein, the method for the present embodiment is mainly realized by mobile terminal.Herein, mobile terminal includes any energy The electronic equipment wirelessly directly or indirectly to communicate, including but not limited to：Mobile phone, smart mobile phone, intelligence are wearable Equipment, PDA etc..It should be noted that the mobile terminal is only for example, other mobile ends that are existing or being likely to occur from now on End is such as applicable to the present invention, should also be included within the scope of the present invention, and be incorporated herein by reference.
Step S11 and step S12 is included according to the method for the present embodiment.
In step s 11, mobile terminal receives the DCI from base station equipment, wherein the DCI is included for MPDSCH And/or the feedback instruction of the sending times information of MPDCCH.In one embodiment, this is used for MPDSCH's and/or MPDCCH The feedback instruction of sending times information can be 1 bit in DCI, and indicate mobile terminal with the different values of the bit Whether feedback sending times information for MPDSCH and/or MPDCCH is needed.For example, the bit is 0, mobile terminal is indicated Without feedback for the sending times information of MPDSCH and/or MPDCCH；The bit is 1, and instruction mobile terminal need to feed back use In the sending times information of MPDSCH and/or MPDCCH.Preferably, it is anti-to be used for this to increase 1 bit newly in existing DCI Feedback instruction.In addition, the bit can be indicated only as the feedback of the sending times information of MPDSCH or can only conduct The feedback instruction of the sending times information of MPDCCH or the feedback of the sending times information as MPDSCH and MPDCCH refer to Show.
In another embodiment, 2 bits are may include in DCI, are respectively used to the repeating transmission time of MPDSCH and MPDCCH The feedback instruction of number information.
Then, in step s 12, mobile terminal is based on the feedback instruction, is used for base station equipment transmission The sending times information of MPDSCH and/or MPDCCH.
Specifically, after mobile terminal receives the DCI from base station equipment, will obtain wherein for MPDSCH and/or The value of the feedback instruction of the sending times information of MPDCCH.For example, the feedback is designated as 1 bit in DCI, value refers to when being 0 Show that mobile terminal need to feed back the sending times information of MPDSCH and MPDCCH.Then when acquisition for mobile terminal to the DCI received In its value of feedback indication bit position be 0 when, will to base station equipment send for MPDSCH and MPDCCH sending times letter Breath.
Herein, in one embodiment, sending times information can be sending times rank.In another embodiment, Sending times information can be sending times.
In one embodiment, mobile terminal will also determine sending times information for MPDSCH and/or MPDCCH.Example Such as, mobile terminal can be in the past period, and to enable the mobile terminal decoding success, base station equipment is in MPDSCH And/or the number retransmitted on MPDCCH is counted.Then mobile terminal can be according to the statistics of the sending times As a result, the nearest most common sending times for being capable of decoding success are determined as the repeating transmission time for MPDSCH and/or MPDCCH Number information.It will be understood by those skilled in the art that herein, the correlation for MPDSCH and/or MPDCCH is determined for mobile terminal Description be merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention spirit or scope, And it is incorporated herein by reference.
Fig. 2 shows embodiments according to a further aspect of the present invention to be used for additional feedback downlink in base station equipment The flow chart of the method for signal repetition number information.
Wherein, the method for the present embodiment is mainly realized by base station equipment.
Step S21 and step S22 is included according to the method for the present embodiment.
In the step s 21, base station equipment to mobile terminal send DCI, wherein, the DCI include for MPDSCH with/ Or the feedback instruction of the sending times information of MPDCCH.In one embodiment, the repeating transmission for being used for MPDSCH and/or MPDCCH The feedback instruction of number information can be 1 bit in DCI, and whether indicate mobile terminal with the different values of the bit Need sending times information of the feedback for MPDSCH and/or MPDCCH.For example, the bit is set as 0 by base station equipment, refer to Show sending times information of the mobile terminal without feedback for MPDSCH and/or MPDCCH；The bit is set as by base station equipment 1, instruction mobile terminal feedback is used for the sending times information of MPDSCH and/or MPDCCH.Preferably, base station equipment can be 1 bit is increased in existing DCI newly to be used for feedback instruction.In addition, the bit can be only as the sending times of MPDSCH Information feedback instruction or can only as the feedback of the sending times information of MPDCCH instruction or conduct MPDSCH and The feedback instruction of the sending times information of MPDCCH.
In another embodiment, base station equipment can be used 2 bits in DCI come respectively as MPDSCH and The feedback instruction of the sending times information of MPDCCH.
Then, in step S22, base station equipment receives the weight for MPDSCH and/or MPDCCH from mobile terminal Send out number information.As described above, in one embodiment, sending times information can be sending times rank.At another In embodiment, sending times information be sending times in itself.Specifically, mobile terminal is being received transmitted by base station equipment After being included in the feedback instruction of the sending times information for MPDSCH and/or MPDCCH in DCI, if mobile terminal is according to upper Method described in text determines to be fed back, then mobile terminal will be for the sending times information of MPDSCH and/or MPDCCH It is sent to base station equipment.Correspondingly, base station equipment can then receive this and be used for MPDSCH and/or MPDCCH from mobile terminal Sending times information.
In one embodiment, the sending times information that base station equipment will also be used for MPDSCH and/or MPDCCH based on this, Adjustment is used for the sending times of MPDSCH and/or MPDCCH.
For example, when the sending times for MPDSCH from mobile terminal that base station equipment receives are 5 times, then base Station equipment will be adjusted to the sending times for MPDSCH 5 times when dispatching the mobile terminal next time.
In another example base station equipment can combine its maximum number of retransmissions r being configuredmaxAnd it is used for from mobile terminal The sending times information of MPDSCH and/or MPDCCH, to adjust the sending times for MPDSCH and/or MPDCCH.For example, base The maximum number of retransmissions r that station equipment is configuredmaxIt is 4, when what base station equipment received is used for MPDCCH's from mobile terminal When sending times rank is the 2nd grade (it is assumed that the 2nd grade refers to sending times no more than 8 times), base station equipment determines that it is used for MPDCCH Sending times rank should be 4 times, and when dispatching the mobile terminal next time, base station equipment will be the repeating transmission for MPDCCH Number is adjusted to 4 times.In another example the maximum number of retransmissions r that base station equipment is configuredmaxIt is 8, when what base station equipment received comes From the sending times rank for MPDCCH and MPDSCH of mobile terminal for the 1st grade (it is assumed that the 1st grade refers to sending times and do not surpass Cross 4 times) when, it is 4, and dispatching the movement next time that base station equipment, which determines that it is used for the sending times of MPDCCH and MPDSCH, During terminal, the sending times for MPDCCH and MPDSCH will be adjusted to 4 times.
It will be understood by those skilled in the art that herein, for base station equipment adjustment for the repeating transmission of MPDSCH and/or MPDCCH The associated description of number is merely illustrative and non-limiting description, there are other various realization methods without departing from the essence of the present invention God or scope, and be incorporated herein by reference.
In one embodiment, mobile terminal and base station equipment can also predefine one or more CRC masks, and determine One or more MPDCCH sending times ranks, and determine one or more CRC masks and one or more MPDCCH weights Send out the correspondence between number rank.For ease of description, the correspondence identified on mobile terminal is known as first pair It should be related to, and the correspondence identified in base station equipment is known as third correspondence.
For example, mobile terminal and base station equipment can determine 4 CRC masks and 4 sending times ranks, and determine its first Correspondence/third correspondence is as shown in table 1 below：
It will be understood by those skilled in the art that herein, for CRC masks and for pair between MPDCCH sending times ranks The associated description that should be related to is merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention's Spirit or scope, and be incorporated herein by reference.
In one embodiment, it is assumed that mobile terminal and base station equipment have determined that CRC masks and MPDCCH sending times grades Above-mentioned correspondence between not.
In general, before mobile terminal can use uplink channel, base station equipment needs to carry out mobile terminal Uplink grant (UL Grant).In the uplink grant message, the DCI with form 6.0A is included.Base station equipment can Increase feedback instruction of 1 bit as the sending times information for MPDCCH newly in the DCI, the different values of the bit will refer to Show whether mobile terminal needs the sending times information for MPDCCH to base station equipment feedback.
Base station equipment can send the DCI for the instruction uplink grant to mobile terminal, wherein, which has lattice Formula 6.0A, and the instruction of the feedback including the sending times information for MPDCCH.
Correspondingly, mobile terminal receive from base station equipment be used to indicate uplink grant, have form 6.0A DCI, the DCI include for MPDCCH sending times information feedback instruction.
Then, mobile terminal is by first between the sending times rank based on feedback instruction, CRC masks and MPDCCH Correspondence and the sending times information for MPDCCH determine a CRC mask from one or more CRC masks.Tool Body, mobile terminal will check whether the value that the feedback indicates indicates that the mobile terminal is fed back.For example, when the value is 1, Instruction mobile terminal is fed back.Then when acquisition for mobile terminal to DCI in the feedback indicate value be 1 when, mobile terminal will Based on the sending times information for MPDCCH, a CRC mask is selected from each CRC masks.
For example, mobile terminal can be based on method as discussed above, it is first determined for the sending times information of MPDCCH. It is assumed that the sending times for MPDCCH that mobile terminal is most often capable of decoding success recently are 5 times, mobile terminal then can determine It it is the 2nd grade (i.e. sending times are no more than 8 times) for the sending times rank of MPDCCH, then, mobile terminal can be according to first Correspondence (it is assumed that as shown in Table 1), selects CRC masks from each CRC masks<1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1>。
Then, mobile terminal will be based on the CRC masks, and code-scrambling operation is performed to code block to be sent.Preferably, it is mobile whole End will be come to perform code-scrambling operation to code block to be sent according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xRep, k-A) mod2, k=A, A+I, A+2 ..., A+L-I；
Wherein,
K is the length of code block to be sent, and the code block to be sent includes the data that length is A and the school that length is L Test position；
c0,c1,c2,c3,...,cK-1For code to be sent each bit in the block after execution code-scrambling operation；
a0,a1,a2,a3,...,aA-1For code to be sent each data bit in the block；
p0,p1,p2,p3,...,pL-1For code to be sent each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For the selected CRC masks of mobile terminal.
Then, mobile terminal will send the code block to be sent after performing code-scrambling operation on PUSCH to base station equipment.
Correspondingly, base station equipment receives mobile terminal code block transmitted on PUSCH.Then, base station equipment will Decoding operate is performed to the code block based on each CRC masks respectively.
Preferably for a CRC mask, base station equipment will perform decoding operate to the code block according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of code block, which includes the data that length is A and the check bit that length is L；
c0,c1,c2,c3,...,cK-1For code each bit in the block after execution decoding operate；
a0,a1,a2,a3,...,aA-1For this yard of each data bit in the block；
p0,p1,p2,p3,...,pL-1For this yard of each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For a CRC mask.
Then, base station equipment by according to each CRC masks respectively to the code block perform decoding operate as a result, from CRC A CRC mask is determined in mask.
Herein, it is noted that CRC masks used in performing decoding operate when base station equipment are disturbed with mobile terminal execution When CRC masks used in code operation are identical, base station equipment, which performs the code block obtained after decoding operate, will revert to mobile terminal Perform the original code block to be sent before code-scrambling operation.And when base station equipment performs CRC masks used in decoding operate not When being same as CRC masks used in mobile terminal execution code-scrambling operation, base station equipment performs the code block obtained after decoding operate will Original code block to be sent before mobile terminal execution code-scrambling operation can not be reverted to.
After decoding operate is performed, base station equipment is using check bit included in the decoded code block, such as CRC Check bit, to be verified to data included in the decoded code block.It knows, such as should as is known to the person skilled in the art Decoded code block is differed with original code block, for example, original code block lieutenant colonel tests position and is changed, then verification operation herein will be lost It loses.Therefore, only when base station equipment is performed used in CRC masks used in decoding operate and mobile terminal execution code-scrambling operation When CRC masks are identical, obtained code block can be by unsuccessful verification after the decoding operate.
Base station equipment according to the obtained decoded code block of each CRC masks to verifying.Such as decoded code Block can verify success, then it is that CRC used in mobile terminal is covered that base station equipment, which can determine for its decoded CRC mask, Code.So as to which the CRC masks are base station equipment identified CRC masks from each CRC masks.
Then, base station equipment will be based on the CRC masks and third correspondence, determine the repeating transmission time for MPDCCH Number information.For example, connect example, it is assumed that base station equipment determines mask according to method as discussed above from each mask<1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1>, it is mask used in mobile terminal execution code-scrambling operation.Then base station equipment Can be according to the third correspondence shown in upper table 1, it is the 2nd grade to determine the sending times rank for MPDCCH.
It will be understood by those skilled in the art that herein, the correlation of the sending times for MPDCCH is determined for base station equipment Description be merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention spirit or scope, And it is incorporated herein by reference.
In another embodiment, mobile terminal and base station equipment can also predefine the one or more for PUCCH Code channel and one or more MPDSCH sending times ranks, and determine the one or more code channel and the one or more Correspondence between MPDSCH sending times ranks.For ease of description, the correspondence identified on mobile terminal is claimed It is known as the 4th correspondence for the second correspondence, and by the correspondence determined by base station equipment.
For example, mobile terminal and base station equipment can determine 4 PUCCH code channels and 4 MPDSCH sending times ranks, and really The correspondence of its fixed second correspondence/the 4th is described in table 2 below：
MPDSCH sending times ranks PUCCH code channels
The first order (sending times are no more than 4 times) Code channel 1
The second level (sending times are no more than 8 times) Code channel 2
The third level (sending times are no more than 16 times) Code channel 3
The fourth stage (sending times are no more than 32 times) Code channel 4
In one embodiment, it is assumed that mobile terminal and base station equipment have determined that PUCCH code channels and MPDSCH sending times Above-mentioned correspondence between rank.
Base station equipment sends the DCI with form 6.1 to mobile terminal first, and base station equipment increases 1 bit newly in the DCI Feedback as the sending times information for MPDSCH indicates that the different values of the bit will indicate whether mobile terminal needs To base station equipment feedback for the sending times information of MPDSCH.
Correspondingly, mobile terminal receives the DCI from base station equipment, wherein, which includes the weight for MPDSCH Send out the feedback instruction of number information.
Then, mobile terminal is by the between the sending times rank based on feedback instruction, PUCCH code channels and MPDSCH Two correspondences and the sending times information for MPDSCH determine a code channel from one or more PUCCH code channels. Specifically, mobile terminal will check whether the value indicated from the feedback in the DCI acquired in base station equipment indicates movement end It is fed back at end.For example, when the value is 1, instruction mobile terminal is fed back.Then when acquisition for mobile terminal to DCI in should When the value of feedback instruction is 1, mobile terminal is by based on the sending times information for MPDSCH, from each PUCCH code channels Select a code channel.
For example, mobile terminal can be based on method as discussed above, it is first determined for the sending times information of MPDSCH. It is assumed that the sending times for MPDSCH that mobile terminal is most often capable of decoding success recently are 9 times, then mobile terminal determines to use It is 3rd level (i.e. sending times are no more than 16 times) in the sending times rank of MPDCCH, then, mobile terminal can be according to second pair It should be related to (it is assumed that as shown in upper table 2), code channel 3 is selected from each code channel.
Then, mobile terminal sends information on its selected code channel by PUCCH to base station equipment.In this example, Mobile terminal will send information on code channel 3 to base station equipment.
Correspondingly, base station equipment from one or more of code channels receives signal and is demodulated respectively.Then, base station Equipment is based on demodulation as a result, determining to receive the mobile terminal from each code channel one of signal transmitted on PUCCH Code channel.Specifically, when base station equipment is (non-discontinuous for non-DTX to the demodulation result of signal received on some code channel Send) when, it means that mobile terminal has used the code channel to send signal.And if demodulation result is DTX (discontinuous hairs Send), it means that the code channel is not used to send signal in mobile terminal.Therefore, demodulation result may be selected as non-in base station equipment The code channel of DTX.In this example, since mobile terminal only sends information on code channel 3, base station equipment on code channel 3 for receiving The result that signal is demodulated is non-DTX, is DTX, therefore, base to the result that received signal on other code channels is demodulated Station equipment will determine code channel 3 from each code channel.
Then, the base station equipment code channel and the 4th correspondence based on determined by, determines the repeating transmission for MPDSCH Number information.In this example, according to the 4th correspondence in table 2, base station equipment will be determined for MPDSCH's according to code channel 3 Sending times rank is 3rd level.
It will be understood by those skilled in the art that herein, the correlation of the sending times for MPDSCH is determined for base station equipment Description be merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention spirit or scope, And it is incorporated herein by reference.
Fig. 3 shows to be used for feeding back downlink link signal weight in the terminal according to the embodiment of one aspect of the invention Send out the schematic diagram of the device of number information.
Wherein, the device of the present embodiment is mainly realized in the terminal.Herein, mobile terminal includes any energy The electronic equipment wirelessly directly or indirectly to communicate, including but not limited to：Mobile phone, smart mobile phone, intelligence are wearable Equipment, PDA etc..It should be noted that the mobile terminal is only for example, other mobile ends that are existing or being likely to occur from now on End is such as applicable to the present invention, should also be included within the scope of the present invention, and be incorporated herein by reference.
Include coming from for receiving according to the device for feeding back downlink link signal sending times information of the present embodiment The DCI of base station equipment, wherein the DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH Device 31 (hereinafter referred to as first receiving device 31) and for be based on it is described feedback instruction, to the base station equipment send out Send the device 32 (hereinafter referred to as the first sending device 32) of the sending times information for MPDSCH and/or MPDCCH.
First, the first receiving device 31 of mobile terminal receives the DCI from base station equipment, wherein the DCI includes For the feedback instruction of the sending times information of MPDSCH and/or MPDCCH.In one embodiment, this be used for MPDSCH and/ Or the feedback instruction of the sending times information of MPDCCH can be 1 bit in DCI, and be referred to the different values of the bit Show the sending times information whether mobile terminal needs feedback for MPDSCH and/or MPDCCH.For example, the bit is 0, refer to Show sending times information of the mobile terminal without feedback for MPDSCH and/or MPDCCH；The bit is 1, is indicated mobile whole End need to feed back the sending times information for MPDSCH and/or MPDCCH.Preferably, 1 bit can be increased newly in existing DCI To be used for feedback instruction.In addition, the bit can be only as the feedback of the sending times information of MPDSCH instruction or can be with Only indicated as the feedback of the sending times information of MPDCCH or sending times information as MPDSCH and MPDCCH it is anti- Feedback instruction.
In another embodiment, 2 bits are may include in DCI, are respectively used to the repeating transmission time of MPDSCH and MPDCCH The feedback instruction of number information.
Then, the first sending device 32 of mobile terminal is based on the feedback instruction, is used for base station equipment transmission The sending times information of MPDSCH and/or MPDCCH.
Specifically, after the first receiving device 31 of mobile terminal receives the DCI from base station equipment, mobile terminal First receiving device 31 will obtain the value wherein indicated for the feedback of the sending times information of MPDSCH and/or MPDCCH.Example Such as, which is designated as 1 bit in DCI, and instruction mobile terminal need to feed back the repeating transmission of MPDSCH and MPDCCH when value is 0 Number information.Then when the first receiving device of mobile terminal 31 get feedback indication bit position in received DCI its It is worth when being 0, the first sending device 32 of mobile terminal will send the repeating transmission time for MPDSCH and MPDCCH to base station equipment Number information.
Herein, in one embodiment, sending times information can be sending times rank.In another embodiment, Sending times information can be sending times.
In one embodiment, it is also wrapped in the device for feeding back downlink link signal sending times information of mobile terminal Include that (hereinafter referred to as sending times information is true for the device 33 that determines the sending times information for MPDSCH and/or MPDCCH Determine device 33, be not shown in figure).
The sending times information determining means 33 of mobile terminal will also determine secondary for the repeating transmission of MPDSCH and/or MPDCCH Number information.For example, the sending times information determining means 33 of mobile terminal can be in the past period, to cause the movement Terminal can decoding success, the number that base station equipment is retransmitted on MPDSCH and/or MPDCCH counted.Then The sending times information determining means 33 of mobile terminal can be according to the statistical result of the sending times, will nearest most common energy The sending times of enough decoding success are determined as the sending times information for MPDSCH and/or MPDCCH.Those skilled in the art It should be understood that herein, the sending times information determining means 33 of mobile terminal are determined with the phase for MPDSCH and/or MPDCCH It closes description to be merely illustrative and non-limiting description, there are other various realization methods without departing from the spirit or model of the present invention Farmland, and be incorporated herein by reference.
Fig. 4 show embodiment according to a further aspect of the present invention in base station equipment be used for additional feedback downlink The schematic diagram of the device of signal repetition number information.
Wherein, the device of the present embodiment is mainly realized in base station equipment.
Included according to the device for additional feedback down link signal sending times information of the present embodiment for shifting Dynamic terminal sends DCI, wherein, the DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH Device 41 (hereinafter referred to as the second sending device 41) and for receive from the mobile terminal for MPDSCH and/ Or the device 42 (hereinafter referred to as the second reception device 42) of the sending times information of MPDCCH.
First, the second sending device 41 of base station equipment sends DCI to mobile terminal, wherein, the DCI includes being used for The feedback instruction of the sending times information of MPDSCH and/or MPDCCH.In one embodiment, this be used for MPDSCH and/or The feedback instruction of the sending times information of MPDCCH can be 1 bit in DCI, and be indicated with the different values of the bit Whether mobile terminal needs sending times information of the feedback for MPDSCH and/or MPDCCH.For example, the second hair of base station equipment Send device 41 that the bit is set as 0, instruction mobile terminal is without feedback for the sending times of MPDSCH and/or MPDCCH Information；The bit is set as 1 by the second sending device 41 of base station equipment, instruction mobile terminal feedback for MPDSCH and/ Or the sending times information of MPDCCH.Preferably, the second sending device 41 of base station equipment can increase 1 newly in existing DCI Bit indicates to be used for the feedback.In addition, the bit can only as the feedback of the sending times information of MPDSCH instruction or It can only be indicated as the feedback of the sending times information of MPDCCH or sending times information as MPDSCH and MPDCCH Feedback instruction.
In another embodiment, 2 bits in DCI can be used to distinguish for the second sending device 41 of base station equipment Feedback as the sending times information for MPDSCH and MPDCCH indicates.
Then, the second reception device 42 of base station equipment is received is used for MPDSCH and/or MPDCCH from mobile terminal Sending times information.As described above, in one embodiment, sending times information can be sending times rank.Another In one embodiment, sending times information be sending times in itself.Specifically, mobile terminal is sent out receiving base station equipment After the feedback instruction for the sending times information for MPDSCH and/or MPDCCH being included in DCI sent, such as mobile terminal root It determines to be fed back according to method as discussed above, then mobile terminal will be for the sending times of MPDSCH and/or MPDCCH Information is sent to base station equipment.Correspondingly, the second reception device 42 of base station equipment can then receive this from mobile terminal For the sending times information of MPDSCH and/or MPDCCH.
In one embodiment, the device for additional feedback down link signal sending times information of base station equipment is also Including being used for based on the sending times information for MPDSCH and/or MPDCCH, adjustment is for MPDSCH and/or MPDCCH Sending times device 43 (hereinafter referred to as adjusting apparatus 43, be not shown in figure).
The adjusting apparatus 43 of base station equipment can be used for the sending times information of MPDSCH and/or MPDCCH, adjustment based on this For the sending times of MPDSCH and/or MPDCCH.
For example, the repeating transmission for MPDSCH from mobile terminal received when the second reception device 42 of base station equipment When number is 5 times, then the adjusting apparatus 43 of base station equipment, will be the weight for MPDSCH when dispatching the mobile terminal next time Hair number is adjusted to 5 times.
In another example the adjusting apparatus 43 of base station equipment can combine its maximum number of retransmissions r being configuredmaxAnd from shifting The sending times information for MPDSCH and/or MPDCCH of dynamic terminal, to adjust the repeating transmission for MPDSCH and/or MPDCCH Number.For example, the maximum number of retransmissions r that base station equipment is configuredmaxIt is 4, when the second reception device 42 of base station equipment receives The sending times rank for MPDCCH from mobile terminal be the 2nd grade (it is assumed that the 2nd grade refers to sending times no more than 8 times) When, the adjusting apparatus 43 of base station equipment determines that it is used for the sending times rank of MPDCCH and should be 4 times, and should in scheduling next time During mobile terminal, the adjusting apparatus 43 of base station equipment will be adjusted to the sending times for MPDCCH 4 times.In another example base station The maximum number of retransmissions r that equipment is configuredmaxIt is 8, when what the second reception device 42 of base station equipment received comes from mobile terminal The sending times rank for MPDCCH and MPDSCH for the 1st grade (it is assumed that the 1st grade refers to sending times no more than 4 times) when, It is 4, and should in scheduling next time that the adjusting apparatus 43 of base station equipment, which determines that it is used for the sending times of MPDCCH and MPDSCH, During mobile terminal, the adjusting apparatus 43 of base station equipment will be adjusted to the sending times for MPDCCH and MPDSCH 4 times.
It will be understood by those skilled in the art that herein, it is merely illustrative for the associated description of the adjusting apparatus 43 of base station equipment Property and non-limiting description, there are other various realization methods without departing from the spirit or scope of the present invention, and with the side of reference Formula is incorporated herein.
In one embodiment, the device for feeding back downlink link signal sending times information of mobile terminal and base station The device for additional feedback down link signal sending times information of equipment can predefine one or more CRC masks, And one or more MPDCCH sending times ranks can be predefined, and one or more CRC can also be predefined Correspondence between mask and one or more MPDCCH sending times ranks.For ease of description, by institute on mobile terminal The determining correspondence is known as the first correspondence, and the correspondence identified in base station equipment is known as third and is corresponded to Relationship.
For example, mobile terminal and base station equipment can determine 4 CRC masks and 4 sending times ranks, and determine its first Correspondence/third correspondence is as shown in table 1 below：
It will be understood by those skilled in the art that herein, for CRC masks and for pair between MPDCCH sending times ranks The associated description that should be related to is merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention's Spirit or scope, and be incorporated herein by reference.
In one embodiment, it is assumed that mobile terminal and base station equipment have determined that CRC masks and MPDCCH sending times grades Above-mentioned correspondence between not.
In general, before mobile terminal can use uplink channel, base station equipment needs to carry out mobile terminal Uplink grant (UL Grant).In the uplink grant message, the DCI with form 6.0A is included.Base station equipment can Increase feedback instruction of 1 bit as the sending times information for MPDCCH newly in the DCI, the different values of the bit will refer to Show whether mobile terminal needs the sending times information for MPDCCH to base station equipment feedback.
In second sending device 41 of base station equipment uplink grant is used to indicate for being sent to mobile terminal DCI, wherein, there is the DCI form 6.0A, the DCI to include the feedback instruction of the sending times information for MPDCCH Device, hereinafter referred to as 411 (not shown) of third sending device will send to mobile terminal and be used to indicate uplink and award The DCI of power, wherein, which has form 6.0A, and the instruction of the feedback including the sending times information for MPDCCH.
Correspondingly, in the first receiving device 31 of mobile terminal for receiving uplink is used to indicate from base station equipment Link mandate, have form 6.0A DCI, wherein, the DCI include be used for MPDCCH sending times information feedback The device of instruction, hereinafter referred to as 311 (not shown) of third reception device, can receive being used to indicate from base station equipment Uplink grant, have form 6.0A DCI, the DCI include for MPDCCH sending times information feedback indicate.
In first sending device 32 of mobile terminal be used for based on it is described feedback instruction, first correspondence, with And the sending times information for MPDCCH, the device of a determining CRC mask from one or more of CRC masks, with Lower 321 (not shown) of the first determining device of abbreviation, by the sending times based on feedback instruction, CRC masks and MPDCCH The first correspondence between rank and the sending times information for MPDCCH are determined from one or more CRC masks One CRC mask.Specifically, whether the value for checking feedback instruction is indicated the shifting by the first determining device 321 of mobile terminal Dynamic terminal is fed back.For example, when the value is 1, instruction mobile terminal is fed back.Then as the DCI that acquisition for mobile terminal arrives In the value that indicates of feedback when being 1, the first determining device 321 of mobile terminal will be based on believing for the sending times of MPDCCH Breath selects a CRC mask from each CRC masks.
For example, mobile terminal can be based on method as discussed above, it is first determined for the sending times information of MPDCCH. It is assumed that the sending times for MPDCCH that mobile terminal is most often capable of decoding success recently are 5 times, the first of mobile terminal is true Determine device 321 and then can determine that for the sending times rank of MPDCCH be the 2nd grade (i.e. sending times are no more than 8 times), then, move First determining device 321 of dynamic terminal can be selected according to the first correspondence (it is assumed that as shown in Table 1) from each CRC masks Select CRC masks<1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1>.
What the first sending device 32 of mobile terminal included is used to, based on the CRC masks, perform code block to be sent The device of code-scrambling operation, hereinafter referred to as 322 (not shown) of scrambling device will be based on the CRC masks, to code block to be sent Perform code-scrambling operation.Preferably, the scrambling device 322 of mobile terminal will be come to perform code block to be sent scrambler behaviour according to the following formula Make：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of code block to be sent, and the code block to be sent includes the data that length is A and the school that length is L Test position；
c0,c1,c2,c3,...,cK-1For code to be sent each bit in the block after execution code-scrambling operation；
a0,a1,a2,a3,...,aA-1For code to be sent each data bit in the block；
p0,p1,p2,p3,...,pL-1For code to be sent each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For the selected CRC masks of mobile terminal.
What the first sending device 32 of mobile terminal included is used to, in PUSCH, send and perform to the base station equipment The device of code block to be sent after code-scrambling operation, 323 (not shown) of hereinafter referred to as the 4th sending device, will on PUSCH, The code block to be sent after performing code-scrambling operation is sent to base station equipment.
Correspondingly, what the second reception device 42 of base station equipment included is used to receive the mobile terminal in PUSCH The device of transmitted code block, 421 (not shown) of hereinafter referred to as the 4th reception device will receive the mobile terminal and exist The upper transmitted code blocks of PUSCH.
What the second reception device 42 of base station equipment included is used for based on each in one or more of CRC masks CRC masks respectively perform the code block in the device of decoding operate, hereinafter referred to as 422 (not shown) of decoding apparatus, by base Decoding operate is performed to the code block respectively in each CRC masks.
Preferably for a CRC mask, the decoding apparatus 422 of base station equipment will according to the following formula perform the code block Decoding operate：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of code block, which includes the data that length is A and the check bit that length is L；
c0,c1,c2,c3,...,cK-1For code each bit in the block after execution decoding operate；
a0,a1,a2,a3,...,aA-1For this yard of each data bit in the block；
p0,p1,p2,p3,...,pL-1For this yard of each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For a CRC mask.
What the second reception device 42 of base station equipment included is used for each in one or more of CRC masks CRC masks from one or more of CRC masks respectively to code block execution decoding operate as a result, determine a CRC The device of mask, 423 (not shown) of hereinafter referred to as the second determining device will be according to each CRC masks respectively to the code Block perform decoding operate as a result, from CRC masks determine a CRC mask.
Herein, it is noted that when base station equipment decoding apparatus 422 perform decoding operate used in CRC masks with When CRC masks are identical used in mobile terminal execution code-scrambling operation, after the execution decoding operate of decoding apparatus 422 of base station equipment Obtained code block is by the original code block to be sent before reverting to mobile terminal execution code-scrambling operation.And when the solution of base station equipment Code device 422 performs CRC masks used in decoding operate and is different from CRC masks used in mobile terminal execution code-scrambling operation When, the decoding apparatus 422 of base station equipment performs the code block obtained after decoding operate and will be unable to revert to mobile terminal execution scrambler Original code block to be sent before operation.
After decoding operate is performed, the second determining device 423 of base station equipment in the decoded code block using being wrapped The check bit included, such as CRC check position, to be verified to data included in the decoded code block.Such as this field skill Art personnel are known, if the decoded code block is differed with original code block, for example, original code block lieutenant colonel tests position and is changed, Then verification operation herein will failure.Therefore, only when base station equipment performs CRC masks and mobile terminal used in decoding operate When CRC masks used in execution code-scrambling operation are identical, obtained code block can be by unsuccessful verification after the decoding operate.
Second determining device 423 of base station equipment according to the obtained decoded code block of each CRC masks to carrying out school It tests.Such as the decoded code block can verify success, then the second determining device 423 of base station equipment can determine decoded for its CRC masks are CRC masks used in mobile terminal.So as to which the CRC masks are the second determining device of base station equipment 423 from each CRC masks identified CRC masks.
What the second reception device 42 of base station equipment included is used to correspond to pass based on the CRC masks and the third System determines the device of the sending times information for MPDCCH, hereinafter referred to as 424 (not shown) of third determining device, will Based on the CRC masks and third correspondence, the sending times information for MPDCCH is determined.For example, connect example, it is assumed that Second determining device 423 of base station equipment determines mask according to method as discussed above from each mask<1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1>, it is mask used in mobile terminal execution code-scrambling operation.The then third of base station equipment Determining device 424 can according to the third correspondence shown in upper table 1, determine be for the sending times rank of MPDCCH 2nd grade.
It will be understood by those skilled in the art that herein, the correlation of the sending times for MPDCCH is determined for base station equipment Description be merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention spirit or scope, And it is incorporated herein by reference.
In another embodiment, the device and base for feeding back downlink link signal sending times information of mobile terminal The device for additional feedback down link signal sending times information of station equipment can be also predefined for one of PUCCH Or multiple code channels and one or more MPDSCH sending times ranks, and determine the one or more code channel and this or more Correspondence between a MPDSCH sending times rank.For ease of description, by the correspondence identified on mobile terminal Referred to as the second correspondence, and the correspondence identified in base station equipment is known as the 4th correspondence.
For example, mobile terminal and base station equipment can determine 4 PUCCH code channels and 4 MPDSCH sending times ranks, and really The correspondence of its fixed second correspondence/the 4th is described in table 2 below：
MPDSCH sending times ranks PUCCH code channels
The first order (sending times are no more than 4 times) Code channel 1
The second level (sending times are no more than 8 times) Code channel 2
The third level (sending times are no more than 16 times) Code channel 3
The fourth stage (sending times are no more than 32 times) Code channel 4
In one embodiment, it is assumed that mobile terminal and base station equipment have determined that PUCCH code channels and MPDSCH sending times Above-mentioned correspondence between rank.
First, what the second sending device 41 of base station equipment included is used to send with form 6.1 to mobile terminal DCI, wherein, the DCI includes the device of the feedback instruction of the sending times information for MPDSCH, the hereinafter referred to as the 5th hair It send device 413 (not shown), the DCI with form 6.1 will be sent to mobile terminal.Wherein, the 5th hair of base station equipment Device 413 is sent to increase feedback instruction of 1 bit as the sending times information for MPDSCH newly in the DCI, the bit is not It will indicate whether mobile terminal needs the sending times information for MPDSCH to base station equipment feedback with value.
Then, what the first receiving device 31 of mobile terminal included is used to receive the DCI from base station equipment, wherein, The DCI has form 6.1, and the DCI includes the device of the feedback instruction of the sending times information for MPDSCH, below 312 (not shown) of referred to as the 5th reception device will receive the DCI from base station equipment, wherein, which includes using In the feedback instruction of the sending times information of MPDSCH.
Then, the feedback that is used to be based on that the first sending device 32 of mobile terminal includes indicates, is second pair described It should be related to and the sending times information for MPDSCH, the device of a code channel is determined from one or more of code channels, Hereinafter referred to as 324 (not shown) of code channel determining device, by the repeating transmission based on feedback instruction, PUCCH code channels and MPDSCH The second correspondence between number rank and the sending times information for MPDSCH, from one or more PUCCH code channels In determine a code channel.Specifically, the code channel determining device 324 of mobile terminal will be checked from the DCI acquired in base station equipment In feedback instruction value whether indicate that the mobile terminal is fed back.For example, when the value is 1, instruction mobile terminal carries out Feedback.Then when acquisition for mobile terminal to DCI in the value that indicates of the feedback be 1 when, the code channel determining device 324 of mobile terminal will Based on the sending times information for MPDSCH, a code channel is selected from each PUCCH code channels.
For example, mobile terminal can be based on method as discussed above, it is first determined for the sending times information of MPDSCH. It is assumed that it is 9 times that mobile terminal is most often capable of the sending times for MPDSCH of decoding success recently, then the code channel of mobile terminal Determining device 324 can determine that the sending times rank for MPDCCH is that (it is assumed that as shown in upper table 2, sending times are or not 3rd level More than 16 times), then, the code channel determining device 324 of mobile terminal can according to the second correspondence (it is assumed that as shown in upper table 2), Code channel 3 is selected from each code channel.
Then, what the first sending device 32 of mobile terminal included is used for by PUCCH, to described on the code channel Base station equipment sends the device of information, and 325 (not shown) of hereinafter referred to as the 5th sending device will be by PUCCH, in its institute On the code channel of selection information is sent to base station equipment.In this example, the 5th sending device 325 of mobile terminal will be on code channel 3 Information is sent to base station equipment.
Then, what the second reception device 42 of base station equipment included is used to connect respectively from one or more of code channels The collection of letters number and the device being demodulated, hereinafter referred to as 425 (not shown) of demodulating equipment, will be from one or more of code channels It is upper to receive signal respectively and be demodulated.
Second reception device 42 of base station equipment include for based on the demodulation as a result, from one or more Determine to receive the device of mobile terminal code channel of signal transmitted on PUCCH, hereinafter referred to as code in a code channel 426 (not shown) of road determining device, by based on demodulation as a result, determining that receiving the mobile terminal exists from each code channel One code channel of the upper signal transmitteds of PUCCH.Specifically, when the demodulating equipment of base station equipment 425 on some code channel to being received When the demodulation result of the signal arrived is non-DTX (non-discontinuous transmission), it means that mobile terminal has used the code channel to send out The number of delivering letters.And if demodulation result is DTX (discontinuous to send), it means that the code channel is not used to send letter in mobile terminal Number.Therefore, the code channel that demodulation result is non-DTX may be selected in the code channel determining device 426 of base station equipment.In this example, due to Mobile terminal only sends information on code channel 3, and the demodulating equipment 425 of base station equipment solves received signal on code channel 3 The result of tune is non-DTX, is DTX, therefore, the code of base station equipment to the result that received signal on other code channels is demodulated Road determining device 426 will determine code channel 3 from each code channel.
What the second reception device 42 of base station equipment included is used for based on the code channel and the 4th correspondence, Determine the device of the sending times information for MPDSCH, 427 (not shown) of hereinafter referred to as the 4th determining device will be based on The identified code channel and the 4th correspondence determine the sending times information for MPDSCH.In this example, according to table 2 In the 4th correspondence, the 4th determining device 427 of base station equipment will determine sending times for MPDSCH according to code channel 3 Rank is 3rd level.
It will be understood by those skilled in the art that herein, the correlation of the sending times for MPDSCH is determined for base station equipment Description be merely illustrative and non-limiting description, there are other various realization methods without departing from the present invention spirit or scope, And it is incorporated herein by reference.
According to another aspect of the present invention, a kind of mobile terminal is also provided.Wherein, the mobile terminal is included according to upper The device for feeding back downlink link signal sending times information described in text.
According to another aspect of the present invention, a kind of base station equipment is also provided, wherein, the base station equipment is included according to upper The device for additional feedback down link signal sending times information described in text.
According to another aspect of the present invention, it also provides and a kind of is for feeding back downlink link signal sending times information System, the system comprises according to mobile terminal described above and according to base station equipment described above.
It should be noted that the present invention can be carried out in the assembly of software and/or software and hardware, for example, this hair Application-specific integrated circuit (ASIC) can be used in bright each device or any other is realized similar to hardware device.In one embodiment In, software program of the invention can perform to realize steps described above or function by processor.Similarly, it is of the invention Software program can be stored in computer readable recording medium storing program for performing (including relevant data structure), for example, RAM memory, Magnetic or optical driver or floppy disc and similar devices.In addition, hardware can be used to realize in some steps or function of the present invention, example Such as, as coordinating with processor so as to perform the circuit of each step or function.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation includes within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.This Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in system claims is multiple Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade words are used for table Show title, and do not represent any particular order.
Although front is specifically shown and describes exemplary embodiment, it will be understood to those of skill in the art that It is that in the case of the spirit and scope without departing substantially from claims, can be varied from terms of its form and details.Here Sought protection illustrates in the dependent claims.These of each embodiment are defined in following number clause With other aspects：
1. a kind of method for being used for feeding back downlink link signal sending times information in the terminal, wherein, the side Method includes：
The DCI from base station equipment is received, wherein the DCI includes the repeating transmission time for MPDSCH and/or MPDCCH The feedback instruction of number information；
It is indicated based on the feedback, sends to the base station equipment and believe for the sending times of MPDSCH and/or MPDCCH Breath.
2. according to the method described in clause 1, wherein, the method further includes：
Determine one or more CRC masks；
Determine one or more MPDCCH sending times ranks；
Determine between one or more of CRC masks and one or more of MPDCCH sending times ranks One correspondence.
3. according to the method described in clause 2, wherein, the DCI of the reception from base station equipment, wherein being wrapped in the DCI The step of feedback instruction for including the sending times information for MPDSCH and/or MPDCCH, includes：
Receive from base station equipment be used to indicate uplink grant, have form 6.0A DCI, wherein, it is described DCI includes the feedback instruction of the sending times information for MPDCCH；
It is described to be indicated based on the feedback, send the repeating transmission time for MPDSCH and/or MPDCCH to the base station equipment The step of number information, includes：
Based on the feedback instruction, first correspondence and the sending times information for MPDCCH, from institute It states and a CRC mask is determined in one or more CRC masks；
Based on the CRC masks, code-scrambling operation is performed to code block to be sent；
On PUSCH, the code block to be sent after performing code-scrambling operation is sent to the base station equipment.
4. according to the method described in clause 3, wherein, it is described based on the CRC masks, scrambler behaviour is performed to code block to be sent As the step of include：
Based on the CRC masks, code-scrambling operation is performed to code block to be sent according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block to be sent, and the code block to be sent includes the data that length is A and length is L Check bit；
c0,c1,c2,c3,...,cK-1For code to be sent each bit in the block after execution code-scrambling operation；
a0,a1,a2,a3,...,aA-1For code each data bit in the block to be sent；
p0,p1,p2,p3,...,pL-1For code each check bit in the block to be sent；
xrep,0,xrep,1,...,xrep,L-1For the CRC masks.
5. according to the method described in clause 1, wherein, the method further includes：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the second couple between one or more of code channels and one or more of MPDSCH sending times ranks It should be related to.
6. according to the method described in clause 5, wherein, the DCI of the reception from base station equipment, wherein being wrapped in the DCI The step of feedback instruction for including the sending times information for MPDSCH and/or MPDCCH, includes：
The DCI from base station equipment is received, wherein, the DCI has form 6.1, and the DCI includes being used for The feedback instruction of the sending times information of MPDSCH；
It is described to be indicated based on the feedback, send the repeating transmission time for MPDSCH and/or MPDCCH to the base station equipment The step of number information, includes：
Based on the feedback instruction, second correspondence and the sending times information for MPDSCH, from institute It states and a code channel is determined in one or more code channels；
By PUCCH, information is sent to the base station equipment on the code channel.
7. the method according to any one of clause 1 to 6, wherein, the method further includes：
Determine the sending times information for MPDSCH and/or MPDCCH.
8. the method according to any one of clause 1 to 7, wherein, the feedback is designated as a bit in DCI.
9. a kind of method that additional feedback down link signal sending times information is used in base station equipment, wherein, institute The method of stating includes：
DCI is sent to mobile terminal, wherein, the DCI includes the sending times for MPDSCH and/or MPDCCH The feedback instruction of information；
Receive the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
10. according to the method described in clause 9, wherein the method further includes：
Determine one or more CRC masks；
Determine one or more MPDCCH sending times ranks；
Determine between one or more of CRC masks and one or more of MPDCCH sending times ranks Three correspondences.
11. according to the method described in clause 10, wherein, it is described to send DCI to mobile terminal, wherein, wherein in the DCI The step of feedback of sending times information including being used for MPDSCH and/or MPDCCH indicates includes：
The DCI of uplink grant is used to indicate to mobile terminal transmission, wherein, the DCI has form 6.0A, institute State the feedback instruction for the sending times information that DCI is included for MPDCCH；
It is described reception from the mobile terminal for MPDSCH and/or MPDCCH sending times information the step of wrap It includes：
Receive mobile terminal code block transmitted on PUSCH；
Decoding operate is performed to the code block based on each CRC masks in one or more of CRC masks respectively；
Each CRC masks in one or more of CRC masks perform decoding operate to the code block respectively As a result, a CRC mask is determined from one or more of CRC masks；
Based on the CRC masks and the third correspondence, the sending times information for MPDCCH is determined.
12. according to the method described in clause 11, wherein, each CRC based in one or more of CRC masks The step of mask performs decoding operate to the code block includes：
For each CRC masks in one or more of CRC masks, decoding is performed to the code block according to the following formula Operation：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block, and the code block includes the data that length is A and the check bit that length is L；
c0,c1,c2,c3,...,cK-1For the code each bit in the block after execution decoding operate；
a0,a1,a2,a3,...,aA-1For the code each data bit in the block；
p0,p1,p2,p3,...,pL-1For the code each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For a CRC mask in one or more of CRC masks.
13. according to the method described in clause 9, wherein, the method further includes：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the 4th pair between one or more of code channels and one or more of MPDSCH sending times ranks It should be related to.
14. according to the method described in clause 13, wherein described send DCI to mobile terminal, wherein, wherein in the DCI The step of feedback of sending times information including being used for MPDSCH and/or MPDCCH indicates includes：
The DCI with form 6.1 is sent to mobile terminal, wherein, the DCI includes the repeating transmission time for MPDSCH The feedback instruction of number information；
It is described reception from the mobile terminal for MPDSCH and/or MPDCCH sending times information the step of wrap It includes：
It receives signal respectively from one or more of code channels and is demodulated；
Based on the demodulation as a result, determining that receiving the mobile terminal exists from one or more of code channels One code channel of the upper signal transmitteds of PUCCH；
Based on the code channel and the 4th correspondence, the sending times information for MPDSCH is determined.
15. the method according to any one of clause 9 to 14, wherein, the method further includes：
Based on the sending times information for MPDSCH and/or MPDCCH, adjustment for MPDSCH and/or The sending times of MPDCCH.
16. the method according to any one of clause 9 to 15, wherein, the feedback is designated as a ratio in DCI It is special.
17. a kind of device for being used for feeding back downlink link signal sending times information in the terminal, wherein, the dress Put including：
For receiving the DCI from base station equipment, wherein the DCI includes the weight for MPDSCH and/or MPDCCH Send out the device of the feedback instruction of number information；
It is used to indicate based on the feedback, the repeating transmission time for MPDSCH and/or MPDCCH is sent to the base station equipment The device of number information.
18. according to the device described in clause 17, wherein, described device is additionally operable to：
Determine one or more CRC masks；
Determine one or more MPDCCH sending times ranks；
Determine between one or more of CRC masks and one or more of MPDCCH sending times ranks One correspondence.
19. according to the device described in clause 18, wherein, it is described for receiving the DCI from base station equipment, wherein described The device that DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
For receive from base station equipment be used to indicate uplink grant, have form 6.0A DCI, wherein, The DCI includes the device of the feedback instruction of the sending times information for MPDCCH；
It is described to be used to indicate based on the feedback, send the weight for MPDSCH and/or MPDCCH to the base station equipment The device of hair number information includes：
It is used for based on the feedback instruction, first correspondence and the sending times information for MPDCCH, The device of a CRC mask is determined from one or more of CRC masks；
Be used to code block to be sent is performed based on the CRC masks device of code-scrambling operation；
It is used to send the device of the code block to be sent after performing code-scrambling operation to the base station equipment in PUSCH.
20. according to the device described in clause 19, wherein, the device is based on the CRC masks, and code block to be sent is held The device of row code-scrambling operation is used for：
Based on the CRC masks, code-scrambling operation is performed to code block to be sent according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block to be sent, and the code block to be sent includes the data that length is A and length is L Check bit；
c0,c1,c2,c3,...,cK-1For code to be sent each bit in the block after execution code-scrambling operation；
a0,a1,a2,a3,...,aA-1For code each data bit in the block to be sent；
p0,p1,p2,p3,...,pL-1For code each check bit in the block to be sent；
xrep,0,xrep,1,...,xrep,L-1For the CRC masks.
21. according to the device described in clause 17, wherein, described device is additionally operable to：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the second couple between one or more of code channels and one or more of MPDSCH sending times ranks It should be related to.
22. according to the device described in clause 21, wherein, it is described for receiving the DCI from base station equipment, wherein described The device that DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
For receiving the DCI from base station equipment, wherein, the DCI has form 6.1, and the DCI includes being used for The device of the feedback instruction of the sending times information of MPDSCH；
It is described to be used to indicate based on the feedback, send the weight for MPDSCH and/or MPDCCH to the base station equipment The device of hair number information includes：
It is used for based on the feedback instruction, second correspondence and the sending times information for MPDSCH, The device of a code channel is determined from one or more of code channels；
It is used to, by PUCCH, send the device of information to the base station equipment on the code channel.
23. the device according to any one of clause 17 to 22, wherein, described device further includes：
For determining the device of the sending times information for MPDSCH and/or MPDCCH.
24. the device according to any one of clause 17 to 24, wherein, the feedback is designated as a ratio in DCI It is special.
25. a kind of device that additional feedback down link signal sending times information is used in base station equipment, wherein, institute Device is stated to include：
It is used to send DCI to mobile terminal, wherein, the DCI includes the repeating transmission for MPDSCH and/or MPDCCH The device of the feedback instruction of number information；
For receiving the device of the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
26. according to the device described in clause 25, wherein described device is additionally operable to：
Determine one or more CRC masks；
Determine one or more MPDCCH sending times ranks；
Determine between one or more of CRC masks and one or more of MPDCCH sending times ranks Three correspondences.
27. according to the device described in clause 26, wherein, it is described to be used to send DCI to mobile terminal, wherein, wherein described The device that DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
It is used to be used to indicate the DCI of uplink grant to mobile terminal transmission, wherein, the DCI has form 6.0A, the DCI include the device of the feedback instruction of the sending times information for MPDCCH；
The dress for sending times information for MPDSCH and/or MPDCCH of the reception from the mobile terminal Put including：
For receiving the device of mobile terminal code block transmitted on PUSCH；
It is used to respectively perform the code block decoding behaviour based on each CRC masks in one or more of CRC masks The device of work；
Decoding behaviour is performed to the code block respectively for each CRC masks in one or more of CRC masks Make as a result, from one or more of CRC masks determine a CRC mask device；
It is used to, based on the CRC masks and the third correspondence, determine the sending times information for MPDCCH Device.
28. according to the device described in clause 27, wherein, it is described to be used for based on each in one or more of CRC masks The device that a CRC masks perform the code block decoding operate is used for：
For each CRC masks in one or more of CRC masks, decoding is performed to the code block according to the following formula Operation：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block, and the code block includes the data that length is A and the check bit that length is L；
c0,c1,c2,c3,...,cK-1For the code each bit in the block after execution decoding operate；
a0,a1,a2,a3,...,aA-1For the code each data bit in the block；
p0,p1,p2,p3,...,pL-1For the code each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For a CRC mask in one or more of CRC masks.
29. according to the device described in clause 25, wherein, described device is additionally operable to：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the 4th pair between one or more of code channels and one or more of MPDSCH sending times ranks It should be related to.
30. according to the device described in clause 29, wherein described be used to send DCI to mobile terminal, wherein, wherein described The device that DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
It is used to send the DCI with form 6.1 to mobile terminal, wherein, the DCI includes the weight for MPDSCH Send out the device of the feedback instruction of number information；
The dress for sending times information for MPDSCH and/or MPDCCH of the reception from the mobile terminal Put including：
For receiving signal and the device being demodulated respectively from one or more of code channels；
It is used for based on the demodulation as a result, determining to receive the mobile terminal from one or more of code channels The device of a code channel of signal transmitted on PUCCH；
It is used to, based on the code channel and the 4th correspondence, determine the sending times information for MPDSCH Device.
31. the device according to any one of clause 25 to 30, wherein, described device further includes：
Be used for based on the sending times information for MPDSCH and/or MPDCCH, adjustment be used for MPDSCH and/or The device of the sending times of MPDCCH.
32. the device according to any one of clause 25 to 31, wherein, the feedback is designated as a ratio in DCI It is special.
33. a kind of mobile terminal, wherein, the mobile terminal includes being used for according to any one of clause 17-24 The device of feeding back downlink link signal sending times information.
34. a kind of base station equipment, wherein, the base station equipment includes being used for according to any one of clause 25-32 The device of additional feedback down link signal sending times information.
35. a kind of system for feeding back downlink link signal sending times information, the system comprises according to clause 33 The mobile terminal and the base station equipment according to clause 34.

Claims (15)

1. a kind of method for being used for feeding back downlink link signal sending times information in the terminal, wherein, the method packet It includes：
The DCI from base station equipment is received, wherein the DCI includes believing for the sending times of MPDSCH and/or MPDCCH The feedback instruction of breath；
It is indicated based on the feedback, the sending times information for MPDSCH and/or MPDCCH is sent to the base station equipment.
2. a kind of method that additional feedback down link signal sending times information is used in base station equipment, wherein, the side Method includes：
DCI is sent to mobile terminal, wherein, the DCI includes the sending times information for MPDSCH and/or MPDCCH Feedback instruction；
Receive the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
3. a kind of device for being used for feeding back downlink link signal sending times information in the terminal, wherein, described device packet It includes：
For receiving the DCI from base station equipment, wherein the DCI includes the repeating transmission time for MPDSCH and/or MPDCCH The device of the feedback instruction of number information；
It is used to indicate based on the feedback, sends to the base station equipment and believe for the sending times of MPDSCH and/or MPDCCH The device of breath.
4. device according to claim 3, wherein, it is described for receiving the DCI from base station equipment, wherein the DCI The device for including the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
For receive from base station equipment be used to indicate uplink grant, have form 6.0A DCI, wherein, it is described DCI includes the device of the feedback instruction of the sending times information for MPDCCH；
It is described to be used to indicate based on the feedback, send the repeating transmission time for MPDSCH and/or MPDCCH to the base station equipment The device of number information includes：
It is used to indicate, between one or more CRC masks and one or more MPDCCH sending times ranks based on the feedback The first correspondence and the sending times information for MPDCCH, from one or more of CRC masks determine one The device of CRC masks；
Be used to code block to be sent is performed based on the CRC masks device of code-scrambling operation；
It is used to send the device of the code block to be sent after performing code-scrambling operation to the base station equipment in PUSCH.
5. device according to claim 4, wherein, the device is based on the CRC masks, and code block to be sent is performed The device of code-scrambling operation is used for：
Based on the CRC masks, code-scrambling operation is performed to code block to be sent according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block to be sent, and the code block to be sent includes the data that length is A and the school that length is L Test position；
c0,c1,c2,c3,...,cK-1For code to be sent each bit in the block after execution code-scrambling operation；
a0,a1,a2,a3,...,aA-1For code each data bit in the block to be sent；
p0,p1,p2,p3,...,pL-1For code each check bit in the block to be sent；
xrep,0,xrep,1,...,xrep,L-1For the CRC masks.
6. device according to claim 3, wherein, described device is additionally operable to：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the second corresponding pass between one or more of code channels and one or more of MPDSCH sending times ranks System.
7. device according to claim 6, wherein, it is described for receiving the DCI from base station equipment, wherein the DCI The device for including the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
For receiving the DCI from base station equipment, wherein, the DCI has form 6.1, and the DCI includes being used for The device of the feedback instruction of the sending times information of MPDSCH；
It is described to be used to indicate based on the feedback, send the repeating transmission time for MPDSCH and/or MPDCCH to the base station equipment The device of number information includes：
It is used for based on the feedback instruction, second correspondence and the sending times information for MPDSCH, from institute State the device that a code channel is determined in one or more code channels；
It is used to, by PUCCH, send the device of information to the base station equipment on the code channel.
8. a kind of device that additional feedback down link signal sending times information is used in base station equipment, wherein, the dress Put including：
It is used to send DCI to mobile terminal, wherein, the DCI includes the sending times for MPDSCH and/or MPDCCH The device of the feedback instruction of information；
For receiving the device of the sending times information for MPDSCH and/or MPDCCH from the mobile terminal.
9. device according to claim 8, wherein, it is described to be used to send DCI to mobile terminal, wherein, wherein the DCI The device for including the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
It is used to be used to indicate the DCI of uplink grant to mobile terminal transmission, wherein, the DCI has form 6.0A, institute It states DCI and includes the device that the feedback of the sending times information for MPDCCH indicates；
The device packet for sending times information for MPDSCH and/or MPDCCH of the reception from the mobile terminal It includes：
For receiving the device of mobile terminal code block transmitted on PUSCH；
Be used to respectively the code block is performed based on each CRC masks in one or more CRC masks the dress of decoding operate It puts；
Decoding operate is performed to the code block respectively for each CRC masks in one or more of CRC masks As a result, the device of a CRC mask is determined from one or more of CRC masks；
It is used for based on the CRC masks and one or more of CRC masks and one or more MPDCCH sending times grades Third correspondence between not determines the device of the sending times information for MPDCCH.
10. device according to claim 9, wherein, it is described to be used for based on each in one or more of CRC masks The device that CRC masks perform the code block decoding operate is used for：
For each CRC masks in one or more of CRC masks, decoding operate is performed to the code block according to the following formula：
ck=ak, k=0,1,2 ..., A-1；
ck=(pk-A+xrep,k-A) mod2, k=A, A+1, A+2 ..., A+L-1；
Wherein,
K is the length of the code block, and the code block includes the data that length is A and the check bit that length is L；
c0,c1,c2,c3,...,cK-1For the code each bit in the block after execution decoding operate；
a0,a1,a2,a3,...,aA-1For the code each data bit in the block；
p0,p1,p2,p3,...,pL-1For the code each check bit in the block；
xrep,0,xrep,1,...,xrep,L-1For a CRC mask in one or more of CRC masks.
11. device according to claim 8, wherein, described device is additionally operable to：
Determine one or more code channels for PUCCH；
Determine one or more MPDSCH sending times ranks；
Determine the 4th corresponding pass between one or more of code channels and one or more of MPDSCH sending times ranks System.
12. according to the devices described in claim 11, wherein described be used to send DCI to mobile terminal, wherein, wherein described The device that DCI includes the feedback instruction of the sending times information for MPDSCH and/or MPDCCH includes：
It is used to send the DCI with form 6.1 to mobile terminal, wherein, the DCI includes the repeating transmission time for MPDSCH The device of the feedback instruction of number information；
The device packet for sending times information for MPDSCH and/or MPDCCH of the reception from the mobile terminal It includes：
For receiving signal and the device being demodulated respectively from one or more of code channels；
It is used for based on the demodulation as a result, determining that receiving the mobile terminal exists from one or more of code channels The device of one code channel of the upper signal transmitteds of PUCCH；
It is used to, based on the code channel and the 4th correspondence, determine the device of the sending times information for MPDSCH.
13. a kind of mobile terminal, wherein, the mobile terminal includes being used for instead according to any one of claim 3-7 Present the device of down link signal sending times information.
14. a kind of base station equipment, wherein, the base station equipment include according to any one of claim 8-12 for auxiliary Help the device of feeding back downlink link signal sending times information.
15. a kind of system for feeding back downlink link signal sending times information, the system comprises according to claim 13 The mobile terminal and base station equipment according to claim 14.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070064631A1 (en) * 2005-09-21 2007-03-22 Asustek Computer Inc. Method and apparatus for transmitting signaling data messages in a wireless communications system
CN101060386A (en) * 2006-04-17 2007-10-24 华为技术有限公司 Hybrid automatic forward request entity and its data block submission method
CN101106403A (en) * 2007-03-01 2008-01-16 华为技术有限公司 A method and device for adjusting transmission power of HSPA downlink physical channel
CN101984715A (en) * 2010-11-11 2011-03-09 中兴通讯股份有限公司 Method and device for controlling auxiliary carrier of double carriers
CN103931255A (en) * 2011-11-16 2014-07-16 高通股份有限公司 Downlink control information for low cost devices
CN104735612A (en) * 2013-12-23 2015-06-24 上海贝尔股份有限公司 Method and device for conducting communication between target base station and user equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070064631A1 (en) * 2005-09-21 2007-03-22 Asustek Computer Inc. Method and apparatus for transmitting signaling data messages in a wireless communications system
CN101060386A (en) * 2006-04-17 2007-10-24 华为技术有限公司 Hybrid automatic forward request entity and its data block submission method
CN101106403A (en) * 2007-03-01 2008-01-16 华为技术有限公司 A method and device for adjusting transmission power of HSPA downlink physical channel
CN101984715A (en) * 2010-11-11 2011-03-09 中兴通讯股份有限公司 Method and device for controlling auxiliary carrier of double carriers
CN103931255A (en) * 2011-11-16 2014-07-16 高通股份有限公司 Downlink control information for low cost devices
CN104735612A (en) * 2013-12-23 2015-06-24 上海贝尔股份有限公司 Method and device for conducting communication between target base station and user equipment

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