CN106899381A - Ascending control channel sending method and device - Google Patents
Ascending control channel sending method and device Download PDFInfo
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
- H04L1/0004—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
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- 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
- H04L1/1607—Details of the supervisory signal
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Abstract
The invention provides a kind of ascending control channel sending method and device.Wherein, the method includes：Ascending control channel is sent in one or more predetermined subframes of time division duplex (TDD) frame, wherein, ascending control channel is used to carry the feedback information to downlink traffic channel, and predetermined subframe includes at least one of：Special subframe, descending sub frame.By the present invention, solve the problems, such as that the feedback delay of TDD system is long, reduce the feedback delay of TDD system.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of ascending control channel sending method and device.
Background technology
Existing Long Term Evolution (Long-Term Evolution, referred to as LTE)/advanced long-term evolution system (Long-Term
Evolution Advance, referred to as LTE-Advance or LTE-A) be divided into FDD (Frequency Division Duplexing,
Referred to as FDD) and two kinds of frame structures of time division duplex (Time Division Duplexing, referred to as TDD).Fig. 1 is basis
The frame structure schematic diagram of the fdd mode of correlation technique.As shown in figure 1, a radio frames of 10ms are 0.5ms by 20 length,
Numbering is 0~19 time slot (slot) composition, and time slot 2i and 2i+1 composition length are for subframe (subframe) i, i of 1ms
0 or natural number.Fig. 2 is the frame structure schematic diagram of the tdd mode according to correlation technique, as shown in Fig. 2 10ms
Radio frames are made up of two fields of a length of 5ms (half frame), and a field includes that 5 length are the subframe of 1ms, son
Frame i is defined as 2 the time slot 2i and 2i+1 of a length of 0.5ms.FDD system feedback fixed time interval is k=4, TDD system feedback
Fixed time interval k >=4, wherein, k represents corresponding sub-frame number.
At present, the application such as Internet of Things (Internet of Things, referred to as IoT), monitor in real time reduces demand increasingly to time delay
Height, reduces as current international research focus for the LTE/LTE-A system research times.Current time delay reduction demand is directed to FDD
Main method is to reduce Transmission Time Interval (TTI) but relatively difficult for TDD system for system.
Therefore in addition to reducing subframe lengths, with the lifting of base station and terminal processing capacity, feedback fixed time interval can enter one
Step shortens, but for existing LTE TDD systems ascending-descending subframes configuration in existing system, it is as shown in table 1, many of
The included sub-frame of uplink of configuration is less, then even if for the downlink traffic channel (Physical of bearing downlink business datum
Downlink Shared Channel, referred to as PDSCH) transmission carrying feedback correctness (ACK/NACK) it is up
The minimum requirements of the feedback fixed time interval of control channel (Physical Uplink Control Channel, referred to as PUCCH) can be with
Reduce, but cause that still rapid feedback cannot be carried out to downlink service data because sub-frame of uplink is less, so that when influenceing end-to-end
Prolong.
Table 1LTE TDD systems ascending-descending subframes are configured
For the feedback delay of TDD system problem long, effective solution is not yet proposed at present.
The content of the invention
It is long with the feedback delay at least solving TDD system the invention provides a kind of ascending control channel sending method and device
Problem.
According to an aspect of the invention, there is provided a kind of ascending control channel sending method, including：At one of tdd frame or
Ascending control channel is sent in multiple predetermined subframes, wherein, the ascending control channel is used to carry to the anti-of downlink traffic channel
Feedforward information, the predetermined subframe includes at least one of：Special subframe, descending sub frame.
Alternatively, sending the ascending control channel in one or more described predetermined subframes of the tdd frame includes：Institute
State the M OFDM (Orthogonal reciprocal of each subframe in one or more described predetermined subframes of tdd frame
Frequency Division Multiplexing, referred to as OFDM) ascending control channel is sent on symbol, wherein, M is
Positive integer.
Alternatively, it is described before sending the ascending control channel in one or more described predetermined subframes of the tdd frame
Method also includes：By predefining mode and/or base station send configuration signaling method, the predetermined subframe is determined.
Alternatively, determine that the predetermined subframe includes by the predefined mode：Ascending-descending subframes according to the tdd frame are matched somebody with somebody
Put and the implicit determination predetermined subframe of minimum feedback fixed time interval.
Alternatively, in the case where the ascending-descending subframes are configured to ascending-descending subframes configuration 2, determine that the predetermined subframe includes：
Determine that the predetermined subframe is descending sub frame and then after sub-frame of uplink, wherein, the sub-frame of uplink includes one below：
Two sub-frame of uplink in a sub-frame of uplink, the tdd frame in the preceding field or rear field of the tdd frame.
Optionally it is determined that the predetermined subframe includes：Determine that the predetermined subframe is the N-k1 in continuous N number of descending sub frame
1+1 descending sub frame of kth individual or reciprocal, wherein, N is positive integer, and k1 is the minimum feedback fixed time interval.
Alternatively, in the case where the ascending-descending subframes are configured to ascending-descending subframes configuration 5, determine that the predetermined subframe includes：
Determine that the predetermined subframe is N-k1-1 or 1+2 descending sub frame of kth reciprocal in continuous N number of descending sub frame, wherein,
N is positive integer, and k1 is the minimum feedback fixed time interval.
Alternatively, by the predefined mode, determine that the predetermined subframe includes：Determine that the predetermined subframe is positioned at continuous
N number of descending sub frame centre position descending sub frame, wherein, N is positive integer.
Alternatively, in the case where N is odd number, the predetermined subframe is the in N number of descending sub frameIt is individual descending
Subframe, wherein,It is the operator that rounds up；In the case where N is even number, the predetermined subframe is described N number of descending
N/2 descending sub frame or (N/2)+1 descending sub frame in subframe.
Alternatively, by the predefined mode, determine that the predetermined subframe includes：By the predefined mode, institute is determined
State the first subframe that predetermined subframe includes；In the continuous multiple descending sub frames in addition to first subframe or special subframe
In, determine the second subframe that the predetermined subframe includes.
According to another aspect of the present invention, a kind of ascending control channel dispensing device is additionally provided, including：Sending module, uses
In sending ascending control channel in one or more predetermined subframes of tdd frame, wherein, the ascending control channel is used to carry
To the feedback information of downlink traffic channel, the predetermined subframe includes at least one of：Special subframe, descending sub frame.
Alternatively, the sending module is used for：Each subframe in one or more described predetermined subframes of the tdd frame
The ascending control channel is sent on M orthogonal frequency division multiplex OFDM symbol reciprocal, wherein, M is positive integer.
Alternatively, described device also includes：Determining module, for by predefine mode and/or base station send configuration signaling method,
Determine the predetermined subframe.
Alternatively, the determining module includes：First determining unit, it is described predetermined for by the predefined mode, determining
The first subframe that subframe includes；Second determining unit, in the continuous multiple descending sub frames in addition to first subframe
Or in special subframe, determine the second subframe that the predetermined subframe includes.
By the present invention, ascending control channel is sent using in one or more predetermined subframes of tdd frame, wherein, up control
Channel processed is used to carry the feedback information to downlink traffic channel, and predetermined subframe includes at least one of：It is special subframe, descending
The mode of subframe, solves the problems, such as that the feedback delay of TDD system is long, reduces the feedback delay of TDD system.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 is the frame structure schematic diagram of the fdd mode according to correlation technique；
Fig. 2 is the frame structure schematic diagram of the tdd mode according to correlation technique；
Fig. 3 is the flow chart of ascending control channel sending method according to embodiments of the present invention；
Fig. 4 is the optional flow chart of ascending control channel sending method according to embodiments of the present invention；
Fig. 5 is the structured flowchart of ascending control channel dispensing device according to embodiments of the present invention；
Fig. 6 is the alternative construction block diagram one of ascending control channel dispensing device according to embodiments of the present invention；
Fig. 7 is the alternative construction block diagram two of ascending control channel dispensing device according to embodiments of the present invention；
Fig. 8 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 2 when feedback resources are not increased each subframe at k >=2
Feed back the schematic diagram of fixed time interval；
Fig. 9 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 2 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource；
Figure 10 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 2 under accession row subframe #3
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources；
Figure 11 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 3 when feedback resources are not increased each subframe at k >=2
Feed back the schematic diagram of fixed time interval；
Figure 12 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 3 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource；
Figure 13 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 3 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources；
Figure 14 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 4 when feedback resources are not increased each subframe at k >=2
Feed back the schematic diagram of fixed time interval；
Figure 15 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 4 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource；
Figure 16 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 4 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources；
Figure 17 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 5 when feedback resources are not increased each subframe at k >=2
Feed back the schematic diagram of fixed time interval；
Figure 18 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 5 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource；
Figure 19 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 5 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources.
Specific embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the case where not conflicting,
The feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing etc. is to use
In the similar object of difference, without for describing specific order or precedence.
It should be noted that the subframe in the embodiment of the present invention is applicable not only to the 1ms subframes in existing TDD frame structure, may be used also
To be the subframe of other times length, such as 100us subframes etc..Descending sub frame in the embodiment of the present invention does not limit transmission services classification,
I.e. also include multicast/multicast single-frequency network network (Multimedia Broadcast service Single Frequency Network, referred to as
MBSFN) subframe.
A kind of ascending control channel sending method is provided in the present embodiment, and Fig. 3 is upload control according to embodiments of the present invention
The flow chart of channel sending method, as shown in figure 3, the flow comprises the following steps：
Step S302, ascending control channel is sent in one or more predetermined subframes of tdd frame, wherein, ascending control channel
For carrying the feedback information to downlink traffic channel, predetermined subframe includes at least one of：Special subframe, descending sub frame.
By above-mentioned steps, sent for carrying the feedback to downlink traffic channel in one or more predetermined subframes of tdd frame
The ascending control channel of information, predetermined subframe can be special subframe or descending sub frame, so, in the sub-frame of uplink of tdd frame
In the case of less, it is possible to use special subframe or descending sub frame send the feedback information to downlink traffic channel.It can be seen that, adopt
With above-mentioned steps, solve the problems, such as that the feedback delay of TDD system is long, reduce the feedback delay of TDD system.
Alternatively, in above-mentioned steps S302, can using one or more descending sub frames of tdd frame or special subframe as
Predetermined subframe, sends for carrying to downlink traffic channel in the M OFDM symbol reciprocal of each subframe in predetermined subframe
Feedback information ascending control channel.For example, the M reciprocal in each subframe of one or more predetermined subframes of tdd frame is individual
Sent in OFDM symbol for carrying the ascending control channel to the feedback information of downlink traffic channel, wherein, M is positive integer,
Predetermined subframe can include at least one of：Special subframe, descending sub frame.By above-mentioned steps, using descending sub frame or
The M OFDM symbol reciprocal of special subframe is fed back to the state of down channel, solves the feedback delay of TDD system
Problem long, reduces the feedback delay of TDD system.
Fig. 4 is the optional flow chart of ascending control channel sending method according to embodiments of the present invention, as shown in figure 4, alternatively,
Before step S302, the flow also comprises the following steps：
Step S300, by predefining mode and/or base station send configuration signaling method, determines predetermined subframe.
By above-mentioned steps, descending sub frame or special subframe can be configured to by predetermined subframe by predefined mode, it is also possible to
Predetermined subframe is configured by way of the send configuration signaling of base station, then sends right for carrying in the predetermined subframe of configuration
The ascending control channel of the feedback information of downlink traffic channel.It can be seen that, by above-mentioned steps, can by fixation/predefined mode,
Descending sub frame and/or special subframe are defined as being used as at least one of base station configuration mode the predetermined subframe of uplink feedback, are solved
The feedback delay of TDD system problem long, reduces the feedback delay of TDD system.
Alternatively, the configuration signal that base station sends can include but is not limited to one below：Including system information block (System
Information Block, referred to as SIB) high-level signaling, wireless heterogeneous networks (Radio Resource Control, referred to as
RRC) information, the physical layer signaling including Downlink Control Information (Downlink Control Information, referred to as DCI).
It is alternatively possible to ascending-descending subframes configuration and the implicit determination predetermined subframe of minimum feedback fixed time interval according to tdd frame, i.e.,
In the case where predetermined subframe is determined by predefined mode, can be configured according to the ascending-descending subframes of different tdd frames and most
Descending sub frame and/or special subframe in tdd frame is defined as predetermined subframe by small feedback fixed time interval k1.
Alternatively, ascending-descending subframes configuration includes but is not limited to one below：Ascending-descending subframes configuration 2, ascending-descending subframes configuration 3,
Ascending-descending subframes configuration 4, ascending-descending subframes configuration 5.It should be noted that for ascending-descending subframes with setting to 0, ascending-descending subframes
Configuration 1, ascending-descending subframes configuration 6 can also send feedback using above-mentioned steps, but due to the configuration of three of the above ascending-descending subframes
Sub-frame of uplink in tdd frame is more, it is already possible to meets the requirement of the feedback delay of TDD system, will not be described in great detail herein.
Alternatively, in the case where ascending-descending subframes are configured to ascending-descending subframes configuration 2, it may be determined that predetermined subframe is for and then
Descending sub frame after sub-frame of uplink, wherein, sub-frame of uplink can include one below：In the preceding field or rear field of tdd frame
Sub-frame of uplink, a tdd frame in two sub-frame of uplink.
It is alternatively possible to determine that predetermined subframe is that N-k1 in continuous N number of descending sub frame or kth reciprocal 1+1 are descending
Subframe, wherein, N is positive integer, and k1 is minimum feedback fixed time interval.
It should be noted that in the embodiment of the present invention and alternative embodiment, continuous N number of descending sub frame can include：One
Continuous N number of descending sub frame in tdd frame, and/or, continuous N number of descending sub frame on tdd frame border can be crossed over, for example
One rear N-1 of tdd frame continuous descending sub frame and and then under the 1st of next tdd frame of this tdd frame
Row subframe.By taking ascending-descending subframes configuration 2 as an example, continuous N number of descending sub frame can include：Subframe #3 in one tdd frame,
#4, #5, and/or, subframe #8, #9 in a tdd frame and the and then subframe of next tdd frame of this tdd frame
#0。
Alternatively, in the case where ascending-descending subframes are configured to ascending-descending subframes configuration 5, it may be determined that predetermined subframe is continuous N
N-k1-1 in individual descending sub frame or 1+2 descending sub frame of kth reciprocal, wherein, N is positive integer, and k1 is minimum feedback
Fixed time interval.
It is alternatively possible to determine that predetermined subframe is the descending sub frame positioned at the centre position of continuous N number of descending sub frame, wherein, N
It is positive integer, continuous N number of descending sub frame includes：Continuous N number of descending sub frame in tdd frame, and/or, after tdd frame
N-1 continuous descending sub frame and and then the 1st descending sub frame of next tdd frame of tdd frame.It is odd number i.e. in N
In the case of, predetermined subframe is in N number of descending sub frameIndividual descending sub frame, wherein,It is the computing that rounds up
Symbol；In the case where N is even number, predetermined subframe is N/2 descending sub frame or (N/2)+1 in N number of descending sub frame
Individual descending sub frame.
Alternatively, when predetermined subframe is multiple subframe, single predetermined subframe can be first determined by predefining mode, then
Determine in continuous multiple descending sub frames or special subframe in addition to the descending sub frame for having determined as predetermined subframe next
Predetermined subframe, by that analogy.For example：The first subframe that predetermined subframe includes can be determined, then removing by predefining mode
In continuous multiple descending sub frames outside first subframe or in special subframe, the second subframe that predetermined subframe includes is determined.
It should be noted that minimum feedback fixed time interval k1 can set as needed in the embodiment of the present invention and alternative embodiment
It is set to 0 or 1 or 2 or 3 or 4.
Through the above description of the embodiments, those skilled in the art can be understood that the side according to above-described embodiment
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases before
Person is more preferably implementation method.Based on such understanding, technical scheme substantially makes tribute to prior art in other words
The part offered can be embodied in the form of software product, and the computer software product is stored in a storage medium (such as
ROM/RAM, magnetic disc, CD) in, including some instructions are used to so that a station terminal equipment (can be mobile phone, computer,
Server, or the network equipment etc.) perform method described in each embodiment of the invention.
Additionally provide a kind of ascending control channel dispensing device in the present embodiment, the device is used to realizing above-described embodiment and preferably
Implementation method, had carried out repeating no more for explanation.As used below, term " module " can realize predetermined function
Software and/or hardware combination.Although the device described by following examples is preferably realized with software, hardware, or
The realization of the combination of person's software and hardware is also that may and be contemplated.
Fig. 5 is the structured flowchart of ascending control channel dispensing device according to embodiments of the present invention, as shown in figure 5, the device bag
Include：Sending module 52, for sending ascending control channel in one or more predetermined subframes of TDD frame, wherein,
Ascending control channel is used to carry the feedback information to downlink traffic channel, and predetermined subframe includes at least one of：Special subframe,
Descending sub frame.
Alternatively, sending module 52 can be used for：The inverse of each subframe in one or more predetermined subframes of tdd frame
Ascending control channel is sent on M orthogonal frequency division multiplex OFDM symbol, wherein, M is positive integer.
Fig. 6 is the alternative construction block diagram one of ascending control channel dispensing device according to embodiments of the present invention, as shown in fig. 6, can
Selection of land, the device also includes：Determining module 62, coupled to sending module 52, for being sent by predefined mode and/or base station
Configuration signal mode, determines predetermined subframe.
Optionally it is determined that module 62 can be used for：Ascending-descending subframes configuration and minimum feedback fixed time interval according to tdd frame is hidden
The predetermined subframe containing determination.
Optionally it is determined that module 62 can be used for, in the case where ascending-descending subframes are configured to ascending-descending subframes configuration 2, it is determined that
Predetermined subframe is descending sub frame and then after sub-frame of uplink, wherein, sub-frame of uplink includes one below：The first half of tdd frame
Two sub-frame of uplink in sub-frame of uplink, a tdd frame in frame or rear field.
Optionally it is determined that module 62 can be used for, determine predetermined subframe be N-k1 in continuous N number of descending sub frame or
1+1 descending sub frame of kth reciprocal, wherein, N is positive integer, and k1 is minimum feedback fixed time interval.
Optionally it is determined that module 62 can be used for, in the case where ascending-descending subframes are configured to ascending-descending subframes configuration 5, it is determined that
Predetermined subframe is the N-k1-1 1+2 descending sub frame of kth individual or reciprocal in continuous N number of descending sub frame, wherein, N is for just
Integer, k1 is minimum feedback fixed time interval.
Optionally it is determined that module 62 can be used for, determine that predetermined subframe is positioned at the centre position of continuous N number of descending sub frame
Descending sub frame, wherein, N is positive integer, and continuous N number of descending sub frame includes：Continuous N number of descending sub frame in tdd frame,
And/or, rear N-1 continuous descending sub frame of tdd frame and and then the 1st descending son of next tdd frame of tdd frame
Frame.I.e. in the case where N is odd number, predetermined subframe is the in N number of descending sub frameIndividual descending sub frame, wherein,
It is the operator that rounds up；In the case where N is even number, predetermined subframe is the N/2 descending sub frame in N number of descending sub frame
Or (N/2)+1 descending sub frame.
Fig. 7 is the alternative construction block diagram two of ascending control channel dispensing device according to embodiments of the present invention, as shown in fig. 7, can
Selection of land, determining module 62 includes：First determining unit 72 and the second determining unit 74, wherein, the first determining unit 72 is used
In by predefining mode, the first subframe that predetermined subframe includes is determined；Second determining unit 74, coupled to the first determining unit
72, in the continuous multiple descending sub frames in addition to the first subframe or in special subframe, determining what predetermined subframe included
Second subframe.
It should be noted that above-mentioned modules can be by software or hardware to realize, for the latter, can by with
Under type is realized, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or, above-mentioned module is located at multiple respectively
In reason device.
Embodiments of the invention additionally provide a kind of software, and the software is used to perform described in above-described embodiment and preferred embodiment
Technical scheme.
Embodiments of the invention additionally provide a kind of storage medium.In the present embodiment, above-mentioned storage medium can be configured so that and deposit
Store up the program code for performing following steps：
Step S302, ascending control channel is sent in one or more predetermined subframes of tdd frame, wherein, ascending control channel
For carrying the feedback information to downlink traffic channel, predetermined subframe includes at least one of：Special subframe, descending sub frame.
Alternatively, storage medium is also configured to storage for performing the program code of following steps：
Step S300, by predefining mode and/or base station send configuration signaling method, determines predetermined subframe.
Alternatively, in the present embodiment, above-mentioned storage medium can be included but is not limited to：USB flash disk, read-only storage (Read-Only
Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
Disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
In order that the description of the embodiment of the present invention is clearer, it is described with reference to alternative embodiment and is illustrated.
Alternative embodiment of the present invention provides a kind of ascending control channel sending method and device.Alternative embodiment of the present invention can be right
The quick hybrid automatic request of downlink service data is retransmitted, when overcoming the feedback timing of TDD system present in prior art
Prolong problem that is larger and being limited to ascending-descending subframes configuration, it may be determined that rapid feedback resource.
The ascending control channel sending method that alternative embodiment of the present invention is provided can be in one or more predetermined subframes of tdd frame
Transmitted for carrying the ascending control channel to the feedback information of downlink traffic channel in M OFDM symbol reciprocal.It is above-mentioned predetermined
Subframe at least includes one below：Special subframe, descending sub frame.
Alternatively, in the different ascending-descending subframes configuration of tdd frame, the M OFDM reciprocal in one or more descending sub frames
On symbol, or in one or two special subframe uplink pilot time slot (Up Pilot Time Slot, referred to as UpPTS) fall
In number M (such as 1-2) OFDM symbol, as enhancing ascending control channel (EPUCCH) or enhancing uplink service
Channel (EPUSCH) is transmitted for carrying the ascending control channel to the feedback information (ACK/NACK) of PDSCH, wherein,
The value of M can be an element in set { 1,2,3,4,5,6,7 }.That is, terminal is receiving downlink business information
Afterwards, transmitted in PUCCH/PUSCH or EPUCCH/EPUSCH to downlink business information correctness (ACK/NACK)
Feedback information, wherein, PUCCH/PUSCH is the upload control letter that subframe time length is taken in generic uplink subframe
Road/reverse link traffic channel, EPUCCH/EPUSCH is by inverse M in the UpPTS in generic downlink subframe or special subframe
OFDM symbol is used as enhancing ascending control channel/enhancing reverse link traffic channel.
When above-mentioned predetermined subframe is special subframe, for the tdd frame configuration of 5ms up-downgoing conversion intervals, when above-mentioned predetermined subframe
In a radio frame during only one of which, the special subframe in preceding field or rear field can be chosen, when above-mentioned predetermined subframe is one
When having two in individual radio frames, while choosing the special subframe in preceding field and rear field；For 10ms up-downgoing conversion intervals
Configuration, above-mentioned predetermined subframe is the special subframe in radio frames.
Alternatively, above-mentioned predetermined subframe can determine one of in the following manner：Predefined mode, base station send configuration signaling side
Formula.
Alternatively, in the case where above-mentioned predetermined subframe is determined by fixation/predefined mode, can be according to different ascending-descending subframes
Configuration and the implicit determination predetermined subframes of minimum feedback fixed time interval k1.
Alternatively, above-mentioned predetermined subframe is certain in ascending-descending subframes configuration and can be only in the case that minimum feedback fixed time interval is certain
One determines.Wherein, when minimum feedback fixed time interval is fixed value, the fixed value can be with the feedback fixed time interval of FDD system
It is identical.
Alternatively, for ascending-descending subframes configuration 2, above-mentioned predetermined subframe can be descending sub frame and then after sub-frame of uplink.
Wherein, above-mentioned sub-frame of uplink is at least one of：A sub-frame of uplink, whole nothing in radio frames in preceding field or rear field
Two sub-frame of uplink in line frame.
Alternatively, for ascending-descending subframes configuration 2, beyond existing sub-frame of uplink, a descending sub frame is chosen as above-mentioned predetermined
Can be the descending sub frame after the and then sub-frame of uplink in preceding field during subframe, or it is and then up in rear field
Descending sub frame after subframe.When choosing two descending sub frames as above-mentioned predetermined subframe, during above-mentioned predetermined subframe is preceding field
And then the descending sub frame after the and then sub-frame of uplink in descending sub frame and rear field after sub-frame of uplink.
Alternatively, 4 or ascending-descending subframes are configured for ascending-descending subframes configuration 2 or ascending-descending subframes configuration 3 or ascending-descending subframes
Configuration 5, above-mentioned predetermined subframe can be the 1+1 subframe of kth reciprocal in continuous N number of descending sub frame.I.e. continuous descending sub frame
Quantity is N, and above-mentioned predetermined subframe is N-k1 in continuous descending N number of subframe.Wherein, above-mentioned continuous descending sub frame is for can be with
Across radio frames not by sub-frame of uplink and/or special subframe continuous descending sub frame spaced apart.
Alternatively, for ascending-descending subframes configuration 5, above-mentioned predetermined subframe can be the kth 1+2 reciprocal in continuous N number of descending sub frame
Individual subframe.I.e. continuous descending sub frame quantity is N, and above-mentioned predetermined subframe position is N-k1-1 in continuous descending N number of subframe.
Wherein, above-mentioned continuous descending sub frame be can cross over radio frames not by sub-frame of uplink and/or special subframe be spaced apart it is continuous descending
Subframe.
Alternatively, when above-mentioned predetermined subframe is determined by predefined mode, above-mentioned predetermined subframe can be continuous descending sub frame
Centre position.I.e. continuous descending sub frame quantity is N, and when N is odd number, above-mentioned predetermined subframe can be in continuous descending sub frame theIndividual descending sub frame, when N is even number, above-mentioned predetermined subframe can for N/2 descending sub frame in continuous descending sub frame or
The N/2+1 descending sub frame in continuous descending sub frame.
Alternatively, when above-mentioned predetermined subframe is multiple subframes (being more than or equal to 2), again continuous after single subframe is determined
Chosen in descending sub frame or special subframe.It is described below and describes two kinds of modes for choosing multiple predetermined subframes.
Mode one, continuous descending sub frame quantity is N, and above-mentioned predetermined subframe is N-k1 in continuous descending N number of subframe.Wherein,
Continuous descending sub frame is the continuous descending sub frame not being spaced apart by sub-frame of uplink and/or special subframe that can cross over radio frames.It is optional
Ground, when a descending sub frame is chosen as above-mentioned predetermined subframe, above-mentioned predetermined subframe is N-k1 in continuous N number of descending sub frame
It is individual.When two descending sub frames are chosen as above-mentioned predetermined subframe, first descending sub frame is chosen in the manner described above, then except the
Second descending sub frame or special subframe are chosen in the second continuous descending sub frame beyond one descending sub frame or in special subframe, this
When the second continuous descending sub frame be not by sub-frame of uplink and/or special subframe and first descending sub frame be spaced apart it is a fairly large number of
One group of continuous descending sub frame, the second continuous descending sub frame quantity is N2, and it is continuous N2 descending son to choose second descending sub frame
N2-k1 in frame, if two group of second continuous descending sub frame quantity is identical, then optional one or selection radio frames neutron
Second smaller or larger descending sub frame of frame number.When choosing three and above predetermined subframe, using similar approach, herein not
Repeat again.
Mode two, when a descending sub frame is chosen as above-mentioned predetermined subframe, continuous descending sub frame quantity is N, when N is odd number,
Predetermined subframe is the in continuous descending sub frameIndividual descending sub frame, when N is even number, predetermined subframe is in continuous descending sub frame
The N/2+1 descending sub frame in N/2 descending sub frame or continuous descending sub frame.When two descending sub frames of selection are used as above-mentioned pre-
During stator frame, first descending sub frame is chosen in the manner described above, then in the second continuous descending son in addition to first descending sub frame
Second descending sub frame or special subframe are chosen in frame or in special subframe, now the second continuous descending sub frame is not by sub-frame of uplink
And/or special subframe and first descending sub frame a fairly large number of one group of continuous descending sub frame spaced apart, the second continuous descending son
Number of frames is N2, and when N2 is odd number, second descending sub frame is the in the second continuous descending sub frameIndividual descending sub frame,
When N is even number, second descending sub frame is N2/2 descending sub frame or the second continuous descending sub frame in the second continuous descending sub frame
In the N2/2+1 descending sub frame, if two group of second continuous descending sub frame quantity is identical, then optional one or choose nothing
Second smaller or larger descending sub frame of line frame neutron frame number.When choosing three and the above, using similar approach, herein not
Repeat again.
Alternatively, the base station configuration mode can include：High-level signaling SIB is configured or RRC configurations or physical layer signaling DCI
Configuration.
When alternatively, using the signal deployment, configuration mode can include：1st, with the integral multiple of radio frames or radio frames be with
Unit is put, the use of 10*N bit configuration descending sub frame and/or special subframe is above-mentioned predetermined subframe, for example, wireless with one
Frame is then configured for base unit using 10bits, is then configured using 40bits as base unit with 4 radio frames.2nd, can basis
Different ascending-descending subframes configurations, use the remaining one-to-one bit of sub-frame number institute after removing sub-frame of uplink and/or special subframe
Number is configured, it is also possible to which the integral multiple based on radio frames is configured.3rd, prespecified X kinds possible above-mentioned predetermined subframe
Configuration, usesOne kind in the configuration of bit configuration X kinds.
It should be noted that the embodiment of the present invention and alternative embodiment be applied to feedback fixed time interval k be 1 or 2 or 3 or 4 or
The situation of other positive integers, illustrates by taking k=2 as an example below.It is fixed for feedback in view of hardware processing capability lifting 50%
When interval capability improving consider FDD system k=2, k >=2 of TDD system.When existing ACK/NACK is anti-by taking k >=2 as an example
Feedback timing relationship is as shown in table 2：
The association of table 2TDD frames downlink sets index K:{k0,k1,…kM-1}
Uplink synchronous hybrid automatic repeat-request (HARQ), it is considered to when k minimums can be 2, then need newly to be defined as follows content：
As shown in table 3, now scheduling timing is also to consider to the k2 values of the n+k2 of uplink authorization (UL Grant) scheduling PUSCH
k2≥2。
For with setting to 0, when UL Grant (highest significant position (MSB of UL Index)=1 of upper line index), corresponding up son
Frame is n+k2；When UL Grant (least significant bit (LSB of UL Index)=1 of upper line index), corresponding sub-frame of uplink is
n+3。
In subframe 0 or 5, during I_PHICH=0, corresponding sub-frame of uplink is n+k2；In subframe 0 or 5, I_PHICH=1,
Or, have in subframe 1 or 6 physical mixing retransmission indicating chanel (Physical Hybrid ARQ Indicator Channel,
Referred to as PHICH) when, corresponding sub-frame of uplink is n+3；Wherein, as sub-frame of uplink n=3 or 8, I_PHICH=1.
Table 3k2 values
As shown in table 4, now scheduling timing is also to consider k3 >=2 to the k3 values of the n-k3 of descending PHICH feedbacks PUSCH, and
Keep synchronous HARQ relation.
For with setting to 0, the PHICH ACK/NACK that user equipment (UE) is received in subframe i corresponding to I_PHICH=0,
PUSCH with transmission in subframe i-k3 (k3 such as tables 4 are pointed out) is relevant.If receiving PHICH corresponding to I_PHICH=1
ACK/NACK, it is relevant with the PUSCH transmitted in subframe i-2.
Table 4k3 values
#0, #1, #6 are configured for TDD ascending-descending subframes, feedback fixed time interval can realize k=2, a round-trip delay
(Round-Trip Time, referred to as RTT) constant (configuration 6 is slightly reduced).Therefore it is extra to increase special subframe or descending son
Frame be used as rear N symbols EPUCCH transmission realize to PDSCH feedback research emphasis ascending-descending subframes configure 2,3,4,
The scene of 5, i.e. descending sub frame more than sub-frame of uplink.
UpPTS can be used as in special subframe PDSCH is carried out uplink ACK/NACK feedbacks, can reduce DL HARQ
Time delay.But because special subframe position is fixed, the effect for actually reducing time delay is not necessarily best, can be in descending sub frame
The ACK/NACK transmission of N symbols afterwards is realized feeding back PDSCH, to reach the effect of optimal reduction DL HARQ time delays.
Alternative embodiment of the present invention is illustrated below in conjunction with the accompanying drawings.
Alternative embodiment one
Alternative embodiment of the present invention one provides the ascending control channel sending method of ascending-descending subframes configuration 2, for up-downgoing
2,2 sub-frame of uplink (U subframes) feedbacks of frame configuration, 8 descending sub frames (D subframes) (including 2 special subframes (S subframes)
In descending pilot frequency time slot (DwPTS)), Fig. 82 is not being increased according to the configuration of the ascending-descending subframes of alternative embodiment of the present invention
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resources, and each subframe feeds back fixed time interval as shown in figure 8, now
Average k-value be 3.75, once unidirectional RTT average delays be 5.75.
Fig. 9 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 2 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource, if as shown in figure 9, UpPTS in special subframe can be with
Be used as carries out up PUCCH feedback to PDSCH, then for ascending-descending subframes configuration 2, subframe #0,1,3,4,5,6,
8th, 9 corresponding k values are respectively 2,5,3,3,2,5,3,3, it is possible to achieve average k-value is 3.25, and average k-value is by 3.75
3.25 are reduced to, once unidirectional RTT average delays are (4+7+5+5+4+7+5+5)/8=5.25.
Figure 10 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 2 under accession row subframe #3
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources, as shown in Figure 10, if by subframe #3
In last 1-2 OFDM symbol PDSCH is fed back as PUCCH, now predetermined subframe is also including subframe #8.Then
For ascending-descending subframes configuration 2, the corresponding k values in subframe #0,1,3,4,5,6,8,9 respectively 3,2,4,3,3,2,
4th, 3, it is possible to achieve average k-value is 3.
If last 1-2 OFDM symbol in subframe #4 is fed back as PUCCH to PDSCH, now predetermined subframe
Also include subframe #9, then for ascending-descending subframes configuration 2, the corresponding k values in subframe #0,1,3,4,5,6,8,9 are respectively
4th, 3,4,3,4,3,4,3, it is possible to achieve average k-value is 3.5.
RTT One Way Delay of analysis, for using descending sub frame #3 as predetermined subframe, either sub-frame of uplink or subframe #3,
#8 is used as PUCCH feedback, the subframe of k >=2 needs+2 is most met soon and is retransmitted, and now once unidirectional RTT average delays are
5.For using descending sub frame #4 as predetermined subframe, either sub-frame of uplink or subframe #4, #9 are used as PUCCH feedback, most
Meet the subframe of k >=2 needs+2 soon to be retransmitted, now once unidirectional RTT average delays are 5.5.
Therefore for ascending-descending subframes configuration 2, that the descending sub frame of optional position is used as feedback within the 5ms cycles is subframe #3.
It can be seen that, in alternative embodiment of the present invention, for ascending-descending subframes configuration 2, in the descending sub frame of and then sub-frame of uplink
(i.e. in subframe #3 and/or #8, or, third last descending sub frame in continuous descending sub frame, wherein, continuous descending sub frame number
It is N to measure, predetermined subframe be continuous descending sub frame in the N-2 descending sub frame) in open up last N (such as 1 or 2) individual OFDM
Symbol feeds back as PUCCH to PDSCH, is carried out on an equal basis as PUCCH feedback with by UpPTS in special subframe
When stock number is contrasted, the DL HARQ feedback time delays of minimum can be reached.That is, 2 are configured for ascending-descending subframes, such as
Fruit increases subframe institute's uplink feedback, then be subframe #3 or subframe #8, is subframe #3 and son if increasing by two subframes
Frame #8.
Alternative embodiment two
Alternative embodiment of the present invention one provides the ascending control channel sending method of ascending-descending subframes configuration 3, for up-downgoing
Frame configures 3,3 sub-frame of uplink and feeds back 7 descending sub frames (including the DwPTS in 1 special subframe), and Figure 11 is according to this
The ascending-descending subframes configuration 3 of invention alternative embodiment each subframe when feedback resources are not increased feeds back showing for fixed time interval at k >=2
It is intended to, as shown in figure 11, average k-value now is 4.86 to each subframe feedback fixed time interval, and one time the unidirectional average delays of RTT are
7.28。
Figure 12 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 3 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource, as shown in figure 12, if the UpPTS in special subframe can
Up PUCCH feedback is carried out to PDSCH to be used as, then for ascending-descending subframes configuration 3, subframe #0,1,5,6,7,8,
9 corresponding k values are respectively 3,3,6,5,5,4,4, it is possible to achieve average k-value is 4.28, and each subframe feedback timing is as schemed
Shown in 7.Average k-value is reduced to 4.28 by 4.86, and a unidirectional average delay of RTT is (5+5+10+9+8+7+6)/7=7.14.
If last 1-2 OFDM symbol in subframe #7 is fed back as PUCCH to PDSCH, for up-downgoing
Sub-frame configuration 3, the corresponding k values in subframe #0,1,5,6,7,8,9 are respectively 4,3,2,6,5,5,4, it is possible to achieve
Average k-value is 4.14.Unidirectional average delay of RTT is (6+5+4+9+8+7+6)/7=6.43.
Figure 13 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 3 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources, as shown in figure 13, if by subframe #8
In last 1-2 OFDM symbol PDSCH is fed back as PUCCH, then configure 3, subframe for ascending-descending subframes
The corresponding k values in #0,1,5,6,7,8,9 are respectively 3,3,3,2,5,4,4, it is possible to achieve average k-value is 3.43,
Unidirectional average delay of RTT is (5+5+5+4+8+7+6)/7=5.71.
It can be seen that, in alternative embodiment of the present invention two, for ascending-descending subframes configuration 3, in subframe #8 (i.e. including subframe #0's
Third last descending sub frame in continuous descending sub frame, or, including the continuous descending sub frame quantity of subframe #0 is N, pre- stator
Frame is N-2) open up last 1-2 OFDM symbol PDSCH is fed back as PUCCH, with by special son
When UpPTS carries out equal stock number contrast as PUCCH feedback in frame, the DL HARQ feedback time delays of minimum can be reached.
Alternative embodiment three
Alternative embodiment of the present invention one provides the ascending control channel sending method of ascending-descending subframes configuration 4, for up-downgoing
Frame configures 4,2 sub-frame of uplink and feeds back 8 descending sub frames (including the DwPTS in 1 special subframe), and Figure 14 is according to this
The ascending-descending subframes configuration 4 of invention alternative embodiment each subframe when feedback resources are not increased feeds back showing for fixed time interval at k >=2
It is intended to, as shown in figure 14, average k-value now is 5 to each subframe feedback fixed time interval, and one time the unidirectional average delays of RTT are 7.
Figure 15 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 4 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource, as shown in figure 15, if the UpPTS in special subframe can
Up PUCCH feedback is carried out to PDSCH to be used as, then for ascending-descending subframes configuration 4, subframe #0,1,4,5,6,7,
8th, 9 corresponding k values are respectively 3,2,7,6,5,5,4,3, it is possible to achieve average k-value is 4.375, and average k-value is by 5
4.375 are reduced to, a unidirectional average delay of RTT is (5+4+10+9+8+7+6+5)/8=6.75.
Figure 16 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 4 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources, as shown in figure 16, if by subframe #8
In last 1-2 OFDM symbol PDSCH is fed back as PUCCH, then configure 4, subframe for ascending-descending subframes
The corresponding k values in #0,1,4,5,6,7,8,9 are respectively 3,2,4,3,2,5,4,3, it is possible to achieve average k-value
It is 3.25, a unidirectional average delay of RTT is (5+4+6+5+4+7+6+5)/8=5.25.
If last 1-2 OFDM symbol in subframe #9 is fed back as PUCCH to PDSCH, for up-downgoing
Sub-frame configuration 4, the corresponding k values in subframe #0,1,4,5,6,7,8,9 are respectively 3,2,5,4,3,5,4,3, can
To realize average k-value as 3.625, a unidirectional average delay of RTT is (5+4+7+6+5+7+6+5)/8=5.625.
It can be seen that, in alternative embodiment of the present invention three, for ascending-descending subframes configuration 4, in subframe #8 (i.e. including subframe #0's
Third last descending sub frame in continuous descending sub frame, or, including the continuous descending sub frame quantity of subframe #0 is N, pre- stator
Frame is the N-2 of continuous descending sub frame) open up last 1-2 OFDM symbol PDSCH is fed back as PUCCH,
When with UpPTS in special subframe is carried out into equal stock number contrast as PUCCH feedback, the DL of minimum can be reached
HARQ feedback time delay.
Alternative embodiment four
Alternative embodiment of the present invention one provides the ascending control channel sending method of ascending-descending subframes configuration 5, for up-downgoing
Frame configures 5,1 sub-frame of uplink and feeds back 9 descending sub frames (including the DwPTS in 1 special subframe), and Figure 17 is according to this
The ascending-descending subframes configuration 5 of invention alternative embodiment each subframe when feedback resources are not increased feeds back showing for fixed time interval at k >=2
It is intended to, as shown in figure 17, average k-value now is 6.11 to each subframe feedback fixed time interval, and one time the unidirectional average delays of RTT are
8.8.It is 11 now to enter number of passes.Process most long is by subframe #1.
Figure 18 be according to the ascending-descending subframes of alternative embodiment of the present invention configuration 5 increase special subframe in UpPTS regions as anti-
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 during feedback resource, as shown in figure 18, if UpPTS can be used as to PDSCH
Up PUCCH feedback is carried out, then for ascending-descending subframes configuration 5, subframe #0,1,3,4,5,6,7,8,9 are corresponding
K values are respectively 2,10,8,7,6,5,5,4,3, it is possible to achieve average k-value is 5.55, and each subframe feedback timing is as schemed
Shown in 13.Average k-value is reduced to 5.55 by 6.11, and a unidirectional average delay of RTT is (12+10+9+8+7+7+6+5+4+12)
/ 10=8.It is 10 now to enter number of passes.Process most long is by subframe #1.
If last 1-2 OFDM symbol in subframe #7 is fed back as PUCCH to PDSCH, for up-downgoing
Sub-frame configuration 5, the corresponding k values in subframe #0,1,3,4,5,6,7,8,9 be respectively 2,6,4,3,2,6,5,4,
3, it is possible to achieve average k-value is 3.88, and a unidirectional average delay of RTT is (4+8+6+5+4+8+7+6+5)/9=5.88.
Figure 19 is according to M OFDM of inverse in the ascending-descending subframes of alternative embodiment of the present invention configuration 5 under accession row subframe #8
Each subframe feeds back the schematic diagram of fixed time interval at k >=2 when symbol area is as feedback resources, as shown in figure 19, if by subframe #8
In last 1-2 OFDM symbol PDSCH is fed back as PUCCH, then configure 5, subframe for ascending-descending subframes
The corresponding k values in #0,1,3,4,5,6,7,8,9 are respectively 2,7,5,4,3,2,5,4,3, it is possible to achieve flat
Equal k values are 3.88, and a unidirectional average delay of RTT is (4+9+7+6+5+4+7+6+5)/9=5.88.
If last 1-2 OFDM symbol in subframe #9 is fed back as PUCCH to PDSCH, for up-downgoing
Sub-frame configuration 5, the corresponding k values in subframe #0,1,3,4,5,6,7,8,9 be respectively 2,8,6,5,4,3,5,4,
3, it is possible to achieve average k-value is 4.44, and a unidirectional average delay of RTT is (4+10+8+7+6+5+7+6+5)/9=6.44.
It can be seen that, in alternative embodiment of the present invention four, for ascending-descending subframes configuration 5, in subframe #7 or #8 (i.e. including subframe
Third last descending sub frame or fourth from the last descending sub frame in the continuous descending sub frame of #0, or, including subframe #0's is continuous
Descending sub frame quantity is N, and predetermined subframe is N-3 in N-2 descending sub frame in continuous descending sub frame or continuous descending sub frame
Individual descending sub frame) open up last 1-2 OFDM symbol PDSCH is fed back as PUCCH, with by special subframe
When middle UpPTS carries out equal stock number contrast as PUCCH feedback, the DL HARQ feedback time delays of minimum can be reached.
Now subframe #7 is the most middle descending sub frame of continuous descending sub frame, and subframe #8 can also reach optimal feedback delay.
In sum, the ascending control channel sending method and device for being provided using the embodiment of the present invention and alternative embodiment, it is and existing
There is technology to compare, by increasing the transmission for carrying the ascending control channel that (ACK/NACK) is fed back to downlink traffic channel
Resource, has reached the effect of rapid feedback in a tdd system, reduces the end-to-end time delay of the terminal of low time delay demand.
Obviously, those skilled in the art should be understood that above-mentioned of the invention each module or each step can use general calculating
Device realizes that they can be concentrated on single computing device, or be distributed on the network that multiple computing devices are constituted,
Alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to be stored in storage device
In performed by computing device, and in some cases, shown or described step can be performed with different from order herein
Suddenly, each integrated circuit modules or by them is fabricated to respectively, or the multiple modules or step in them is fabricated to single
Integrated circuit modules are realized.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of ascending control channel sending method, it is characterised in that including：
Ascending control channel is sent in one or more predetermined subframes of TDD frame, wherein, it is described
Ascending control channel is used to carry to the feedback information of downlink traffic channel, the predetermined subframe include it is following at least it
One：Special subframe, descending sub frame.
2. method according to claim 1, it is characterised in that in one or more described pre- stators of the tdd frame
The ascending control channel is sent in frame to be included：
The M orthogonal frequency reciprocal of each subframe in one or more described predetermined subframes of the tdd frame
The ascending control channel is sent in multiplexing OFDM symbol, wherein, M is positive integer.
3. method according to claim 1, it is characterised in that in one or more described pre- stators of the tdd frame
Before the ascending control channel is sent in frame, methods described also includes：
By predefining mode and/or base station send configuration signaling method, the predetermined subframe is determined.
4. method according to claim 3, it is characterised in that the predetermined subframe is determined by the predefined mode
Including：
The implicit determination pre- stator of ascending-descending subframes configuration and minimum feedback fixed time interval according to the tdd frame
Frame.
5. method according to claim 4, it is characterised in that be configured to ascending-descending subframes in the ascending-descending subframes and match somebody with somebody
Put in the case of 2, determine that the predetermined subframe includes：
Determine that the predetermined subframe is descending sub frame and then after sub-frame of uplink, wherein, the sub-frame of uplink bag
Include one below：In a sub-frame of uplink, the tdd frame in the preceding field or rear field of the tdd frame
Two sub-frame of uplink.
6. method according to claim 4, it is characterised in that determine that the predetermined subframe includes：
Determine that the predetermined subframe is that N-k1 in continuous N number of descending sub frame or kth reciprocal 1+1 are descending
Subframe, wherein, N is positive integer, and k1 is the minimum feedback fixed time interval.
7. method according to claim 4, it is characterised in that be configured to ascending-descending subframes in the ascending-descending subframes and match somebody with somebody
Put in the case of 5, determine that the predetermined subframe includes：
Under determining that the predetermined subframe is N-k1-1 in continuous N number of descending sub frame or kth reciprocal 1+2
Row subframe, wherein, N is positive integer, and k1 is the minimum feedback fixed time interval.
8. method according to claim 3, it is characterised in that by the predefined mode, determine the pre- stator
Frame includes：
Determine that the predetermined subframe is the descending sub frame positioned at the centre position of continuous N number of descending sub frame, wherein,
N is positive integer.
9. method according to claim 8, it is characterised in that
In the case where N is odd number, the predetermined subframe is the in N number of descending sub frameUnder individual
Row subframe, wherein,It is the operator that rounds up；
In the case where N is even number, the predetermined subframe is N/2 in N number of descending sub frame descending
Subframe or (N/2)+1 descending sub frame.
10. the method according to any one of claim 3 to 9, it is characterised in that by the predefined mode, really
The fixed predetermined subframe includes：
By the predefined mode, the first subframe that the predetermined subframe includes is determined；
In the continuous multiple descending sub frames in addition to first subframe or in special subframe, determine described pre-
The second subframe that stator frame includes.
A kind of 11. ascending control channel dispensing devices, it is characterised in that including：
Sending module, for sending upload control letter in one or more predetermined subframes of TDD frame
Road, wherein, the ascending control channel is used to carry the feedback information to downlink traffic channel, the predetermined subframe
Including at least one of：Special subframe, descending sub frame.
12. devices according to claim 11, it is characterised in that the sending module is used for：
The M orthogonal frequency reciprocal of each subframe in one or more described predetermined subframes of the tdd frame
The ascending control channel is sent in multiplexing OFDM symbol, wherein, M is positive integer.
13. devices according to claim 11, it is characterised in that described device also includes：
Determining module, for by predefining mode and/or base station send configuration signaling method, determining described predetermined
Subframe.
14. devices according to claim 13, it is characterised in that the determining module includes：
First determining unit, for by the predefined mode, determining the first subframe that the predetermined subframe includes；
Second determining unit, in the continuous multiple descending sub frames in addition to first subframe or special
In subframe, the second subframe that the predetermined subframe includes is determined.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967069.6A CN106899381A (en) | 2015-12-21 | 2015-12-21 | Ascending control channel sending method and device |
| PCT/CN2016/106972 WO2017107731A1 (en) | 2015-12-21 | 2016-11-23 | Method and device for uplink control channel transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967069.6A CN106899381A (en) | 2015-12-21 | 2015-12-21 | Ascending control channel sending method and device |
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| CN106899381A true CN106899381A (en) | 2017-06-27 |
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| CN201510967069.6A Pending CN106899381A (en) | 2015-12-21 | 2015-12-21 | Ascending control channel sending method and device |
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| CN (1) | CN106899381A (en) |
| WO (1) | WO2017107731A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020073909A1 (en) * | 2018-10-09 | 2020-04-16 | Mediatek Singapore Pte. Ltd. | Method and apparatus for re-transmission of system information message in mobile communications |
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| CN101442816B (en) * | 2007-11-23 | 2010-12-15 | 大唐移动通信设备有限公司 | A method for transmitting uplink control signaling in a time division duplex system |
| CN101267284B (en) * | 2008-04-25 | 2013-01-16 | 中兴通讯股份有限公司 | Method for confirmation information feedback in physical uplink share channel |
| CN102158325B (en) * | 2011-04-22 | 2017-05-10 | 中兴通讯股份有限公司 | Method and device for data transmission |
| CN103840931B (en) * | 2012-11-23 | 2018-04-17 | 电信科学技术研究院 | Data transmission method and equipment in Time Division Duplex TDD guard band |
| CN104640214B (en) * | 2013-11-15 | 2018-05-18 | 华为技术有限公司 | Transmit method, base station and the user equipment of data |
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- 2015-12-21 CN CN201510967069.6A patent/CN106899381A/en active Pending
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073909A1 (en) * | 2018-10-09 | 2020-04-16 | Mediatek Singapore Pte. Ltd. | Method and apparatus for re-transmission of system information message in mobile communications |
| CN111295852A (en) * | 2018-10-09 | 2020-06-16 | 联发科技（新加坡）私人有限公司 | Method and apparatus for system information retransmission in mobile communication |
| US11139927B2 (en) | 2018-10-09 | 2021-10-05 | Mediatek Singapore Pte. Ltd. | Method and apparatus for re-transmission of system information message in mobile communications |
| TWI753310B (en) * | 2018-10-09 | 2022-01-21 | 新加坡商聯發科技（新加坡）私人有限公司 | Method and apparatus for re-transmission of system information message in mobile communications |
| US11575474B2 (en) | 2018-10-09 | 2023-02-07 | Mediatek Singapore Pte. Ltd. | Method and apparatus for re-transmission of system information message in mobile communications |
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| Publication number | Publication date |
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| WO2017107731A1 (en) | 2017-06-29 |
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