CN106712910A

CN106712910A - Redundant version and change cycle determination and channel estimation method and device thereof

Info

Publication number: CN106712910A
Application number: CN201510795898.0A
Authority: CN
Inventors: 高雪娟; 邢艳萍
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2015-11-13
Filing date: 2015-11-18
Publication date: 2017-05-24
Anticipated expiration: 2035-11-18
Also published as: CN106712910B

Abstract

The invention discloses a redundant version and a change cycle determination and channel estimation method and device thereof, and is used for realizing determination of the change cycle of a redundant version used in data transmission. The change cycle determination method of the redundant version comprises the steps that time division duplex TDD uplink and downlink configuration is determined; and the change cycle of the redundant version used in the data transmission process is determined according to the TDD uplink and downlink configuration.

Description

Redundancy versions and its change the determination in cycle, channel estimation methods and device

Technical field

The application is related to communication technical field, more particularly to a kind of redundancy versions and its changes determination, channel estimation methods and the device in cycle.

Background technology

With the rise of Internet of Things, support that machine type communication (MTC, Machine Type Communication) is increasingly taken seriously in long evolving system (LTE, Long Term Evolution).3GPP Release 13 set up the project for MTC physical layer strengthen project.One MTC device (MTC terminal) may have various M2M (Machine to Machine, machine and machine) part of properties among communication characteristic, such as Hypomobility, transmitted data amount are small, insensitive to communication delay, require the features such as extremely low power dissipation.Wherein, in order to reduce the cost of MTC terminal, a kind of low complexity MTC will be newly defined, narrower frequency band transmission is only supported in its uplink and downlink, for example, will support 1.4MHz radio frequency bandwidths.

In existing network, operator finds the terminal worked under some scenes, such as work in the terminal of basement, market or building corner, because wireless signal is seriously blocked, signal is subject to very big decay, cannot be communicated with network, and being directed under these scenes carries out the depth covering of network and can greatly increase the networking cost of network.By test, it is believed that need to carry out a certain degree of enhancing to existing covering.Coverage enhancement is realized, a kind of more feasible method is needed to existing channel using transmission or similar techniques are repeated, can obtain a certain degree of covering gain by carrying out tens times to hundreds of times repetition transmission to existing physical channel in theory.

In the prior art, Traffic Channel, for example carry the Physical Uplink Shared Channel (PUSCH of uplink service, Physical Uplink Shared CHannel) and bearing downlink business Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel), different redundancy versions (RV, Redundancy Version) can be used in different subframes in data transfer.

For example, for downlink data transmission, coding unit is processed the transmission block reached in a Transmission Time Interval (TTI, Transmission Time Interval), it is transmitted on corresponding physical resource by after physical channel treatment again afterwards, as shown in Figure 1.The treatment of each TTI is independent.Wherein, transmission block handling process includes rate-matched, and rate matching procedure includes that sub-block interweaves, bit is collected and bit selection, as shown in Figure 2.Bit selection selects output bit flow according to redundancy versions.For descending, redundancy versions are indicated in Downlink Control Information (DCI, Downlink Control Information).

For transmitting uplink data, there is single sub-frame transmission and TTI bundling two ways.The flow and descending substantially similar of single sub-frame transmission, the redundancy versions of its uplink are by medium education (MAC, Medium Access Control) layer parameter CURRENT_IRV determine, it is used to refer to the sequence number in redundancy version sequence, each hybrid automatic repeat-request (HARQ, Hybrid Automatic Repeat reQuest) CURRENT_IRV adds 1 afterwards, and CURRENT_IRV moulds 4 for transmission (new transmission is retransmitted).The order of redundancy version sequence is fixed as 0,2,3,1.Up TTI bundling are a kind of transmission methods for strengthening up covering, and a different redundancy versions for transmission block are sent in multiple continuous subframes (TTI), and redundancy versions order is fixed as 0,2,3,1.

In low complexity MTC systems, repeat to be also required to improve transmission performance using different redundancy versions in transmitting procedure.In order to reduce number of repetition as far as possible, so as to mitigate as far as possible because the system spectral efficiency for repeating to bring declines, by research, it is found that cross-subframe channel estimation is a kind of effective means.So-called cross-subframe channel estimation, refers to, using the correlation of channel, joint channel estimation to be carried out based on the reference signal in continuous multiple subframes, and a kind of typical processing mode is to be weighted averagely the result that multiple sub-frame chan-nels are estimated.Correspondingly, data division carries out relevant merging.The premise of relevant merging is that the sending signal in for the multiple subframes for merging is identical.But in view of redundancy versions in the prior art changed by subframe, the data message of different redundancy versions is different, relevant merging cannot be carried out, therefore the method for changing redundancy versions according to the fixed cycle is proposed, so as to ensure that identical redundancy versions are used in the continuous subframes of part, to carry out relevant merging.

But, how to determine that the change cycle of redundancy versions does not provide clear and definite scheme also at present.

The content of the invention

The embodiment of the present application provides a kind of redundancy versions and its determination, channel estimation methods and the device that change the cycle, is used to realize the change cycle for how determining the redundancy versions that data transfer is used.

A kind of redundancy versions that the embodiment of the present application is provided change the determination method in cycle, including：

Determine TDD uplink-downlink configuration；

According to the TDD uplink-downlink configurations, the change cycle of redundancy versions used in data transmission procedure is determined.

With it, realize according to the TDD uplink-downlink configurations, the change cycle of redundancy versions used in data transmission procedure is determined.

It is preferred that according to the TDD uplink-downlink configurations, the change cycle of redundancy versions used in data transmission procedure is determined, specifically include：

Determine the change cycle of the redundancy versions that uplink is used, be the sub-frame of uplink sum included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is the approximate number or multiple of the sub-frame of uplink sum included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is the continuous sub-frame of uplink number included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is the approximate number or multiple of the continuous sub-frame of uplink number included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be the continuous sub-frame of uplink number or sub-frame of uplink sum included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be the approximate number or multiple of the continuous sub-frame of uplink number included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be the approximate number or multiple of the sub-frame of uplink sum included in the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is the sub-frame of uplink sum for including and the minimum value or common divisor or common multiple for arranging numerical value in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is the continuous sub-frame of uplink number for including and the minimum value or common divisor or common multiple for arranging numerical value in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be the minimum value or common divisor or common multiple of the continuous sub-frame of uplink number and agreement numerical value included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be the minimum value or common divisor or common multiple of the sub-frame of uplink sum and agreement numerical value included in the field corresponding to the TDD uplink-downlink configurations.

Determine the change cycle of the redundancy versions that downlink transfer is used, be the descending sub frame sum included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the approximate number or multiple of the descending sub frame sum included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the continuous descending sub frame number included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the approximate number or multiple of the continuous descending sub frame number included in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be the continuous descending sub frame number or descending sub frame sum included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be the approximate number or multiple of the continuous descending sub frame number included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be the approximate number or multiple of the descending sub frame sum included in the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the continuous descending sub frame number included in the two neighboring radio frames corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the approximate number or multiple of the continuous descending sub frame number included in the two neighboring radio frames corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the descending sub frame sum for including and the minimum value or common divisor or common multiple for arranging numerical value in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the continuous descending sub frame number for including and the minimum value or common divisor or common multiple for arranging numerical value in a radio frames or the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be the minimum value or common divisor or common multiple of the descending sub frame sum and agreement numerical value included in the field corresponding to the TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be the minimum value or common divisor or common multiple of the continuous descending sub frame number and agreement numerical value included in the field corresponding to the TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is the continuous descending sub frame number for including and the minimum value or common divisor or common multiple for arranging numerical value in the two neighboring radio frames corresponding to the TDD uplink-downlink configurations.

When the TDD uplink-downlink configurations are with setting to 0, the change cycle for determining the redundancy versions that uplink is used is 6；And/or,

When the TDD uplink-downlink configurations are for configuration 1, the change cycle for determining the redundancy versions that uplink is used is 4；And/or,

When the TDD uplink-downlink configurations are for configuration 2 or 4, the change cycle for determining the redundancy versions that uplink is used is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 3, the change cycle for determining the redundancy versions that uplink is used is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 5, the change cycle for determining the redundancy versions that uplink is used is 1；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions that uplink is used is 5.

When the TDD uplink-downlink configurations are with setting to 0 or when 3, the change cycle for determining the redundancy versions that uplink is used is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 1 or 4, the change cycle for determining the redundancy versions that uplink is used is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 2 or 5, the change cycle for determining the redundancy versions that uplink is used is 1；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions that uplink is used is 2 or 3, or, it is 2 that preceding field in a radio frame is 3, rear field.

When the TDD uplink-downlink configurations are for configuration 3, the change cycle for determining the redundancy versions that downlink transfer is used is 7, or, preceding field in a radio frame is 2, rear field is 5, or, it is 3 in subframe 5,6,7 in a radio frame, is 4 in the subframe 0,1 in subframe 8,9 and latter radio frames in a radio frame, or, it is 4 in subframe 5,6,7,8 in a radio frame, is 3 in the subframe 0,1 in subframe 9 and latter radio frames in a radio frame；And/or,

When the TDD uplink-downlink configurations are for configuration 4, the change cycle for determining the redundancy versions that downlink transfer is used is 8 or 4 or 2；And/or,

When the TDD uplink-downlink configurations are for configuration 5, the change cycle for determining the redundancy versions that downlink transfer is used is 9 or 3.

When the TDD uplink-downlink configurations are with setting to 0, the change cycle for determining the redundancy versions that downlink transfer is used is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 1, the change cycle for determining the redundancy versions that downlink transfer is used is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 2, the change cycle for determining the redundancy versions that downlink transfer is used is 4 or 2；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions that downlink transfer is used be 2 or 3, or, it in the subframe 0 and 1 in 2, subframe 9 in a radio frame and latter radio frames is 3 to be in the subframe for radio frames 5 and 6.

It is preferred that the agreement numerical value is the constant made an appointment or configure, or hop period and/or the up number of sub frames for used when many sub-frame chan-nels are estimated for uplink.

It is preferred that the agreement numerical value is the constant made an appointment or configure, or hop period and/or the descending number of sub frames for used when many sub-frame chan-nels are estimated for downlink transfer.

It is preferred that the common divisor is greatest common divisor, the common multiple is least common multiple.

A kind of channel estimation methods that the embodiment of the present application is provided, including：

Determine the change cycle of redundancy versions used in data transmission procedure；

According to the change cycle, it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated；

Using the subframe of the number of sub frames, many sub-frame chan-nel estimations are carried out.

It is preferred that according to the change cycle, it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated, specifically including：

It is the minimum value in the change cycle and preset constant it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated；

Or, it is the change cycle it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated.

It is preferred that the preset constant is 2 or 3 or 4；

Or, the preset constant is the number of the subframe for transmitting same transmission block TB in a radio frames；

Or, the preset constant is the continuous subframes number that for transmitting same TB first subframe in a radio frames starts；

Or, the preset constant is the continuous subframes number that for transmitting same TB first subframe in a field starts.

It is preferred that in the change cycle of the redundancy versions for determining to be used in data transmission procedure, specifically include：The determination method for changing the cycle using the redundancy versions determines the change cycle of the redundancy versions used in data transmission procedure.

A kind of redundancy versions that the embodiment of the present application is provided determine method, including：

According to the change cycle and redundancy versions order pattern, it is starting point with the first subframe in the first radio frames, determines that redundancy versions change pattern, wherein, first radio frames are the radio frames made an appointment or configure, and first subframe is the subframe made an appointment or configure；

Change the wireless frame number and subframe number of pattern and current transmission subframe according to the redundancy versions, determine the redundancy versions corresponding to the data transfer in current transmission subframe.

It is preferred that being starting point with the first subframe in the first radio frames according to the change cycle and redundancy versions order pattern, determine that redundancy versions change pattern, specifically include：

It is starting point with the first subframe in the first radio frames if the change cycle is T, a redundancy versions is changed per T first kind subframe, redundancy versions is changed according to redundancy versions order pattern；

Or, it is starting point with the first subframe in the first radio frames if the change cycle is T, first in each radio frames first kind subframe starts, and a redundancy versions are changed per T first kind subframe, and redundancy versions are changed according to redundancy versions order pattern；

Or, it is starting point with the first subframe in the first radio frames if the change cycle is T, first in each field first kind subframe starts, and a redundancy versions are changed per T first kind subframe, and redundancy versions are changed according to redundancy versions order pattern；

Wherein, for uplink, the first kind subframe is sub-frame of uplink, and for downlink transfer, the first kind subframe is descending sub frame.

It is preferred that first radio frames are the radio frames that wireless frame number is 0；And/or,

For uplink, first subframe is first sub-frame of uplink in a radio frames, or is first sub-frame of uplink in a field；And/or,

For downlink transfer, first subframe is first descending sub frame in a radio frames, or be first descending sub frame in a field, or be first descending sub frame after first sub-frame of uplink in a radio frames, or be first descending sub frame in latter field in a radio frames.

It is preferred that in the change cycle of the redundancy versions for determining to be used in data transmission procedure, specifically include：The determination method for changing the cycle using described redundancy versions determines the change cycle of the redundancy versions used in data transmission procedure.

A kind of redundancy versions that the embodiment of the present application is provided change the determining device in cycle, including：

First module, for determining TDD uplink-downlink configuration；

Second unit, the change cycle of the redundancy versions for according to the TDD uplink-downlink configurations, determining to be used in data transmission procedure.

It is preferred that the second unit, specifically for：

When the TDD uplink-downlink configurations are for configuration 2/4, the change cycle for determining the redundancy versions that uplink is used is 2；And/or,

It is preferred that the second unit, specifically for：

When the TDD uplink-downlink configurations are for configuration 0/3, the change cycle for determining the redundancy versions that uplink is used is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 1/4, the change cycle for determining the redundancy versions that uplink is used is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 2/5, the change cycle for determining the redundancy versions that uplink is used is 1；And/or,

It is preferred that the second unit, specifically for：

A kind of channel estimating apparatus that the embodiment of the present application is provided, including：

Change cycle determining unit, the change cycle of the redundancy versions for determining to be used in data transmission procedure；

Number of sub frames determining unit, for according to the change cycle, it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated；

Channel estimating unit, for the subframe using the number of sub frames, carries out many sub-frame chan-nel estimations.

It is preferred that the number of sub frames determining unit specifically for：It is the minimum value in the change cycle and preset constant it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated；

It is preferred that the preset constant is 2 or 3 or 4；

It is preferred that the change cycle determining unit, is the determining device in described redundancy versions change cycle.

A kind of redundancy versions determining device that the embodiment of the present application is provided, including：

Redundancy versions determining unit, for according to the change cycle and redundancy versions order pattern, it is starting point with the first subframe in the first radio frames, determine that redundancy versions change pattern, wherein, first radio frames are the radio frames made an appointment or configure, first subframe is the subframe made an appointment or configure, change pattern and the corresponding wireless frame number of present data transmission and subframe number according to the redundancy versions, determine the redundancy versions corresponding to the data transfer in current transmission subframe.

It is preferred that the redundancy versions determining unit is according to the change cycle and redundancy versions order pattern, and it is starting point with the first subframe in the first radio frames, determine that redundancy versions change pattern, specifically include：

Brief description of the drawings

Fig. 1 is downlink processing schematic flow sheet of the prior art；

Fig. 2 is rate matching procedure schematic diagram of the prior art；

A kind of schematic flow sheet of the determination method in redundancy versions change cycle that Fig. 3 is provided for the embodiment of the present application；

A kind of schematic flow sheet of channel estimation methods that Fig. 4 is provided for the embodiment of the present application；

Fig. 5 determines the schematic flow sheet of method for a kind of redundancy versions that the embodiment of the present application is provided；

Fig. 6 changes pattern schematic diagram for the system-level redundancy versions that the embodiment of the present application is provided；

A kind of structural representation of the determining device in redundancy versions change cycle that Fig. 7 is provided for the embodiment of the present application；

A kind of structural representation of channel estimating apparatus that Fig. 8 is provided for the embodiment of the present application；

A kind of structural representation of redundancy versions determining device that Fig. 9 is provided for the embodiment of the present application.

Specific embodiment

Referring to Fig. 3, a kind of redundancy versions that the embodiment of the present application is provided change the determination method in cycle, including：

S101, determine time division duplex (Time Division Duplex, TDD) uplink-downlink configuration；

S102, according to the TDD uplink-downlink configurations, determine the change cycle (or number of repetition of single redundancy versions) of redundancy versions used in data transmission procedure.

It is preferred that during uplink, step S102 is specifically included：

Wherein, the change cycle of different fields can be with identical or difference, the continuous sub-frame of uplink number or total number of sub-frames included depending on different fields；

It is preferred that the sub-frame of uplink sum included in radio frames according to corresponding to TDD uplink-downlink configurations determines the change cycle of the redundancy versions of uplink, specifically include：

When the TDD uplink-downlink configurations are with setting to 0, the change cycle for determining the redundancy versions of the uplink is 6 sub-frame of uplink, i.e. uplink when per continuous 6 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 6 approximate number, or 6 multiple, or 6 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 1, the change cycle for determining the redundancy versions of the uplink is 4 sub-frame of uplink, i.e. uplink when per continuous 4 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 4 approximate number, or 4 multiple, or 4 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 2/4, the change cycle for determining the redundancy versions of the uplink is 2 sub-frame of uplink, i.e. uplink when per continuous 2 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 2 approximate number, or 2 multiple, or 2 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 3, the change cycle for determining the redundancy versions of the uplink is 3 sub-frame of uplink, i.e. uplink when per continuous 3 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 3 approximate number, or 3 multiple, or 3 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 5, the change cycle for determining the redundancy versions of the uplink is 1 sub-frame of uplink, i.e. uplink when every 1 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be the positive integer more than 1, or 1 with the minimum value or common divisor or common multiple of agreement numerical value, or for about fixed number value；；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions of the uplink is 5 sub-frame of uplink, i.e. uplink when per continuous 5 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 5 approximate number, or 5 multiple, or 5 with agreement numerical value minimum value or common divisor or common multiple.

It is preferred that the continuous sub-frame of uplink number included in radio frames according to corresponding to TDD uplink-downlink configurations determines the change cycle of the redundancy versions of uplink, specifically include：

When the TDD uplink-downlink configurations are for configuration 0/3, the change cycle for determining the redundancy versions of the uplink is 3 sub-frame of uplink, i.e. uplink when per continuous 3 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 3 approximate number, or 3 multiple, or 3 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 1/4, the change cycle for determining the redundancy versions of the uplink is 2 sub-frame of uplink, i.e. uplink when per continuous 2 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be 2 approximate number, or 2 multiple, or 2 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 2/5, the change cycle for determining the redundancy versions of the uplink is 1 sub-frame of uplink, i.e. uplink when every 1 sub-frame of uplink change a redundancy versions, in addition, the change cycle of redundancy versions can also be the positive integer more than 1, or 1 with the minimum value or common divisor or common multiple of agreement numerical value, or for about fixed number value；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions of the uplink is 2 or 3 sub-frame of uplink, i.e. uplink when per continuous 2 or 3 sub-frame of uplink change a redundancy versions, or, it is 2 that preceding field in a radio frame is 3, rear field, in addition, the change cycle of redundancy versions can also be 3 approximate number, or 3 multiple, or 3 with agreement numerical value minimum value or common divisor or common multiple；Or, change cycle of redundancy versions can also be 2 approximate number, or 2 multiple, or 2 with the minimum value or common divisor or common multiple of agreement numerical value.

It is preferred that in downlink transmission process, step S102 is specifically included：

It is preferred that the descending sub frame includes TDD special subframes.

It is preferred that the descending sub frame sum included in radio frames according to corresponding to TDD uplink-downlink configurations determines the change cycle of the redundancy versions of downlink transfer, specifically include：

When the TDD uplink-downlink configurations are for configuration 3, the change cycle for determining the redundancy versions of the downlink transfer is 7 descending sub frames, i.e. downlink transfer when per continuous 7 descending sub frames change a redundancy versions, or, the change cycle of redundancy versions preceding field in a radio frame is 2, field is 5 afterwards, or, subframe 5 in a radio frame, 6, it is 3 in 7, subframe 8 in a radio frame, 9 and latter radio frames in subframe 0, it is 4 in 1, or, subframe 5 in a radio frame, 6, 7, it is 4 in 8, the subframe 0 in subframe 9 and latter radio frames in a radio frame, it is 3 in 1；In addition, the change cycle of redundancy versions can also be 7 approximate number, or 7 multiple, or 7 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 4, the change cycle for determining the redundancy versions of the downlink transfer is 8 or 4 or 2 descending sub frames, i.e. downlink transfer when per continuous 8 or 4 or 2 descending sub frames change a redundancy versions, in addition, the change cycle of redundancy versions can also be 8 approximate number, or 8 multiple, or 8 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 5, the change cycle for determining the redundancy versions of the downlink transfer is 9 or 3 descending sub frames, i.e. downlink transfer when per continuous 9 or 3 descending sub frames change a redundancy versions, in addition, the change cycle of redundancy versions can also be 9 approximate number, or 9 multiple, or 9 with agreement numerical value minimum value or common divisor or common multiple.

Preferably, the continuous descending sub frame number included in a radio frames according to corresponding to TDD uplink-downlink configurations determines the change cycle of the redundancy versions of downlink transfer, or, the continuous descending sub frame number included in two neighboring radio frames according to corresponding to TDD uplink-downlink configurations determines the change cycle of the redundancy versions of downlink transfer, specifically includes：

When the TDD uplink-downlink configurations are with setting to 0, the change cycle for determining the redundancy versions of the downlink transfer is 2 descending sub frames, i.e. downlink transfer when per continuous 2 descending sub frames change a redundancy versions, in addition, the change cycle of redundancy versions can also be 2 approximate number, or 2 multiple, or 2 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 1, the change cycle for determining the redundancy versions of the downlink transfer is 3 descending sub frames, i.e. downlink transfer when per continuous 3 descending sub frames change a redundancy versions, in addition, the change cycle of redundancy versions can also be 3 approximate number, or 3 multiple, or 3 with agreement numerical value minimum value or common divisor or common multiple；；And/or,

When the TDD uplink-downlink configurations are for configuration 2, the change cycle for determining the redundancy versions of the downlink transfer is 4 descending sub frames, i.e. downlink transfer when per continuous 4 descending sub frames change a redundancy versions, in addition, the change cycle of redundancy versions can also be 4 approximate number, or 4 multiple, or 4 with agreement numerical value minimum value or common divisor or common multiple；And/or,

When the TDD uplink-downlink configurations are for configuration 6, the change cycle for determining the redundancy versions of the downlink transfer is 2 or 3 descending sub frames, i.e. downlink transfer when per continuous 2 or 3 descending sub frames change a redundancy versions, or, the cycle that changes of redundancy versions is 2 in the subframe for radio frames 5 and 6, in the subframe 0 and 1 in subframe 9 in a radio frame and latter radio frames is 3, in addition, the change cycle of redundancy versions can also be 3 approximate number, or 3 multiple, or 3 with agreement numerical value minimum value or common divisor or common multiple；Or, change cycle of redundancy versions can also be 2 approximate number, or 2 multiple, or 2 with the minimum value or common divisor or common multiple of agreement numerical value.

Referring to a kind of channel estimation methods that Fig. 4, the embodiment of the present application are provided, including：

S201, determine change cycle of redundancy versions for being used in data transmission procedure；

S202, according to the change cycle, it is determined that needing to carry out the number of sub frames used when many sub-frame chan-nels are estimated；

S203, the subframe using the number of sub frames, carry out many sub-frame chan-nel estimations.

Or, it is the change cycle it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated for uplink (may naturally be used for downlink transfer).

It is preferred that the preset constant, for example, A, the A be make an appointment or high-level signaling configuration the integer value more than or equal to 1.

Preferably：

The A=2 or 3 or 4；

Or, the A is defined as the number of the subframe for transmitting same transmission block (Transport Block, TB) in a radio frames, for example：TDD uplink-downlink configurations 1, example is transmitted as with up, starts to repeat to transmit a TB in subframe 3, i.e., the transmission of subframe 3,4,7,8,9 can be taken in one radio frames, totally 5 subframes, therefore define A=5.

Or, the continuous subframes number that for transmitting same TB first subframe that the A is defined as in a radio frames starts, for example：TDD uplink-downlink configurations 3, example is transmitted as with up, start to repeat to transmit a TB in subframe 3, the transmission of subframe 3,4 can be taken in i.e. first radio frames, totally 2 continuous subframes, therefore define A=2, the transmission of subframe 2,3,4 can be taken in follow-up radio frames, the A values defined as the case may be in totally 3 continuous subframes, therefore definition A=3, i.e. different radio frame are different.

Or, the continuous subframes number that for transmitting same TB first subframe that the A is defined as in a field starts, for example：TDD uplink-downlink configurations 1, example is transmitted as with up, start to repeat to transmit a TB in subframe 3, the transmission of subframe 3,4 can be taken in preceding field in i.e. one radio frames, totally 2 continuous subframes, therefore define A=2, the transmission of subframe 7,8,9 can be taken in field afterwards, totally 3 continuous subframes, therefore definition A=3, i.e., the A values defined as the case may be in different fields are different.

Based on above-mentioned technology, the embodiment of the present application can determine redundancy versions pattern according to the change cycle, system wireless frame number, redundancy versions order pattern.

That is, in the embodiment of the present application, can be according to the change cycle of the redundancy versions, system wireless frame number, redundancy versions order pattern, produce one with particular radio frames (radio frames as starting point that i.e. network side is made an appointment with UE sides) system-level redundancy versions pattern of the numbering as starting point, the redundancy versions pattern provides the redundancy versions of each subframe in each radio frames started with the particular radio frames, for obtaining corresponding redundancy versions according to actual transmissions subframe.

It should be noted that, change cycle, wireless frame number, redundancy versions order pattern based on above-mentioned redundancy versions, produce a fixed redundancy versions pattern, each subframe in corresponding each radio frames, this pattern is identical for all terminals being operated in same cell, subframe position of the terminal according to where self transmission, according to above-mentioned redundancy versions pattern, it is determined that the corresponding redundancy versions in transmission subframe certainly.

Therefore, referring to Fig. 5, a kind of redundancy versions that the embodiment of the present application is provided determine method, including：

S301, determine change cycle of redundancy versions for being used in data transmission procedure；

S302, according to the change cycle and redundancy versions order pattern, it is starting point with first sub-frame of uplink in the first radio frames, determines that redundancy versions change pattern, wherein, first radio frames are the radio frames made an appointment or configure, and first subframe is the subframe made an appointment or configure；

S303, wireless frame number and subframe number that pattern and current transmission subframe are changed according to the redundancy versions, determine the redundancy versions corresponding to the data transfer in current transmission subframe.

For example：The numbering that first radio frames are defined as in system is 0 radio frames；

For uplink, note redundancy versions order pattern is RV0, RV1, ..., RVN-1, it is T that redundancy versions change the cycle (i.e. single redundancy versions number of repetition), then the redundancy versions of the data transmitted in the sub-frame of uplink b in radio frames a are the in redundancy versions patternIt is individual, that is RVn, wherein i is to be determined according to the wireless frame number a and subframe number b of current transmission, represent current sub-frame of uplink is which sub-frame of uplink since first sub-frame of uplink in radio frames 0, i.e. the sub-frame of uplink number since first sub-frame of uplink in radio frames 0 to present sub-frame；For example, TDD uplink-downlink configurations 2, it is assumed that T=2, redundancy versions order pattern is { RV0, RV2, RV3, RV1 }, with first sub-frame of uplink in radio frames 0 as starting point, order is defined, subframe 2 then in radio frames 0,3 corresponding RV0, subframe 7,8 corresponding RV2 in radio frames 0, subframe 2,3 corresponding RV3 in radio frames 1, subframe 7,8 corresponding RV1 in radio frames 1, by that analogy, the T now in each radio frames and field is identical；Particularly, for TDD uplink-downlink configurations 6, T in each field can for example be defined as T=3 with identical, with radio frames 0 as starting point, change RV according to T=3 by starting point of the first subframe in each radio frames, and the order that RV changes is carried out according to above-mentioned pattern order, so as to obtain the corresponding RV of each sub-frame of uplink, for continuous sub-frame of uplink number less than 3, only take the sub-frame of uplink in current radio frames, the sub-frame of uplink in next radio frames is not extended to, first sub-frame of uplink that sub-frame of uplink in i.e. next radio frames remains unchanged with the radio frames changes RV as starting point according to T=3；Or, with radio frames 0 as starting point, change RV according to T=3 by starting point of first subframe in each field, and the order that RV changes is carried out according to above-mentioned pattern order, so as to obtain the corresponding RV of each sub-frame of uplink, for continuous sub-frame of uplink number less than 3, only take the sub-frame of uplink in reference field, the sub-frame of uplink in next field is not extended to, i.e., first sub-frame of uplink that the sub-frame of uplink in next field remains unchanged with the field changes RV as starting point according to T=3；Or, for TDD uplink-downlink configurations 6, T in each field can also be different, T=3 for example before defining in field, the corresponding same RV of 3 sub-frame of uplink afterwards in the preceding field in the T=2 in field, i.e. each radio frames, the same RV of 2 sub-frame of uplink correspondence in rear field, and the order that RV changes is carried out according to above-mentioned pattern order, so as to obtain the corresponding RV of each sub-frame of uplink；Therefore for TDD uplink-downlink configurations 6, if it is assumed that redundancy versions order pattern is { RV0, RV2, RV3, RV1 }, then subframe 2 in radio frames 0,3,4 corresponding RV0, subframe 7,8 corresponding RV2 in radio frames 0, subframe 2,3,4 corresponding RV3 in radio frames 1, subframe 7,8 corresponding RV1 in radio frames 1, by that analogy.

Downlink transmission mode is similar with above-mentioned uplink transmission mode, note redundancy versions pattern is RV0, RV1, ..., RVN-1, it is T that redundancy versions change the cycle (i.e. single redundancy versions number of repetition), then the redundancy versions of the data transmitted in the descending sub frame b in radio frames a are the in redundancy versions patternIt is individual, that is RVn, wherein i is to be determined according to the wireless frame number a and subframe number b of current transmission, represent current downlink subframe be from the first subframe in radio frames 0 (preferably, first subframe definition is first descending sub frame after first sub-frame of uplink in radio frames 0, descending sub frame during descending switching is up to for the first time, it changes cycle can be with identical for each radio frames) which descending sub frame for starting, i.e. the descending sub frame number since the first subframe in radio frames 0 to present sub-frame；For example, TDD uplink-downlink configurations 2, it is assumed that T=3, redundancy versions order pattern is { RV0, RV2, RV3, RV1 }, with the subframe 4 in radio frames 0 as starting point, then subframe 4 in radio frames 0,5,6 corresponding RV0, the subframe 0 in subframe 9 and radio frames 1,1 corresponding RV2 in radio frames 0, subframe 4,5,6 corresponding RV3 in radio frames 1, the subframe 0 in subframe 9 and radio frames 2,1 corresponding RV1 in radio frames 1, by that analogy, the T now in each radio frames and field is identical；Particularly,TDD uplink-downlink configurations 6,A T values such as T=2 can only be defined,With in radio frames 0 as starting point,Change RV according to T=2 by starting point of first descending sub frame in each radio frames,And the order that RV changes is carried out according to above-mentioned pattern order,So as to obtain the corresponding RV of each descending sub frame,For continuous descending sub frame number less than 2,Such as subframe 9 in each radio frames,Only take the descending sub frame in current radio frames,The descending sub frame in next radio frames is not extended to,First descending sub frame that descending sub frame in i.e. next radio frames remains unchanged with the radio frames changes RV as starting point according to T=2,I.e.,For TDD uplink-downlink configurations 6,If it is assumed that redundancy versions order pattern is { RV0,RV2,RV3,RV1},With the subframe 0 in radio frames 0 as starting point,The then subframe 0 in radio frames 0,1 corresponding RV0,Subframe 5 in radio frames 0,6 corresponding RV2,The corresponding RV3 of subframe 9 in radio frames 0,Subframe 0 in radio frames 1,1 corresponding RV1,Subframe 5 in radio frames 1,6 corresponding RV0,The corresponding RV2 of subframe 9 in radio frames 1,By that analogy,Or,RV starting points in latter radio frames are the corresponding RV of last descending sub frame in previous radio frames,Subframe 0 i.e. in radio frames 0,1 corresponding RV0,Subframe 5 in radio frames 0,6 corresponding RV2,The corresponding RV3 of subframe 9 in radio frames 0,Subframe 0 in radio frames 1,1 corresponding RV3,Subframe 5 in radio frames 1,6 corresponding RV1,The corresponding RV0 of subframe 9 in radio frames 1,Subframe 0 in radio frames 2,1 corresponding RV0,By that analogy；Or, with radio frames 0 as starting point, change RV according to T=2 by starting point of first descending sub frame in each field, and the order that RV changes is carried out according to above-mentioned pattern order, so as to obtain the corresponding RV of each descending sub frame, for continuous descending sub frame number less than 2, such as subframe 9 in each radio frames, only take the descending sub frame in reference field, the descending sub frame in next field is not extended to, first descending sub frame that descending sub frame in i.e. next field remains unchanged with the field changes RV as starting point according to T=2, and the system RV patterns for obtaining are ibid；Or,For TDD uplink-downlink configurations 6,Multiple T can be defined,For example define the subframe 5 in each radio frames,6 corresponding T=2,The subframe 0 in subframe 9 and next radio frames in each radio frames,1 corresponding T=3,And the order that RV changes is carried out according to above-mentioned pattern order,So as to obtain the corresponding RV of each descending sub frame,I.e.,For TDD uplink-downlink configurations 6,If it is assumed that redundancy versions order pattern is { RV0,RV2,RV3,RV1},With the subframe 5 in radio frames 0 as starting point,The then subframe 5 in radio frames 0,6 corresponding RV0,The subframe 0 in subframe 9 and radio frames 1 in radio frames 0,1 corresponding RV2,Subframe 5 in radio frames 1,6 corresponding RV3,The subframe 0 in subframe 9 and radio frames 2 in radio frames 1,1 corresponding RV1,By that analogy,Can certainly be with the subframe 0 in radio frames 0 as starting point,Two subframes of special before processing,For example define the subframe 0 in radio frames 0,1 corresponding RV0,Subframe 5 in radio frames 0,6 corresponding RV2,The subframe 0 in subframe 9 and radio frames 1 in radio frames 0,1 corresponding RV3,Subframe 5 in radio frames 1,6 corresponding RV1,The subframe 0 in subframe 9 and radio frames 2 in radio frames 1,1 corresponding RV0,By that analogy..

Above-mentioned each method that the embodiment of the present application is provided, can apply in network side and end side.

The illustration of specific embodiment is given below：

Under TDD uplink-downlink configurations 0, assuming that redundancy versions order pattern is RV0, RV2, RV3, RV1, when it is determined that during continuous sub-frame of uplink number during the change cycle of the redundancy versions of uplink is a radio frames, determine that redundancy versions change cycle T=3, illustrate in each radio frames, every 3 sub-frame of uplink change a redundancy versions, identical redundancy versions are used in 3 continuous sub-frame of uplink；

It is starting with radio frames 0 further according to the cycle, redundancy versions order pattern, defines system-level redundancy versions modification pattern, i.e.,：In system wireless frame 0, subframe 2,3,4 corresponding redundancy versions are RV0, subframe 7,8,9 corresponding redundancy versions are RV2, and in system wireless frame 1, subframe 2,3,4 corresponding redundancy versions are RV3, subframe 7,8,9 corresponding redundancy versions are RV1, in system wireless frame 2, subframe 2,3,4 corresponding redundancy versions are RV0, and subframe 7,8,9 corresponding redundancy versions are RV2, by that analogy, as shown in Figure 6；

One terminal starts to transmit PUSCH when the subframe 3 being scheduled in radio frames 1, and iterative transfer times, when being 10, it changes pattern according to above-mentioned redundancy versions, it is determined that the redundancy versions used in each transmission subframe, i.e.,：Redundancy versions order pattern { RV0, RV2, RV3, RV1 } in include 4 redundancy versions, that is N=4, the change cycle is 3, that is T=3, when transmitting first time, it is subframe 3 in radio frames 1 that transmission is corresponding, according to wireless frame number and subframe number, with reference to uplink-downlink configuration, it is determined that since first sub-frame of uplink in radio frames 0, to the subframe 3 in radio frames 1, 8 sub-frame of uplink altogether, i.e. the subframe is the 8th sub-frame of uplink, that is i=8, it is thus determined that the redundancy versions of the subframe 3 in radio frames 1 are redundancy versions order pattern { RV0, RV2, RV3, RV1 } inIt is individual, i.e. RV3, during second transmission, it is subframe 4 in radio frames 1 that transmission is corresponding, according to wireless frame number and subframe number, with reference to uplink-downlink configuration, it is determined that since first sub-frame of uplink in radio frames 0, to the subframe 4 in radio frames 1,9 sub-frame of uplink altogether, i.e. the subframe is the 9th sub-frame of uplink, that is i=9, it is thus determined that the redundancy versions of the subframe 4 in radio frames 1 are redundancy versions order pattern { RV0, RV2, RV3, RV1 } inIt is individual, i.e. RV3, when third time is transmitted, it is subframe 7 in radio frames 1 that transmission is corresponding, according to wireless frame number and subframe number, with reference to uplink-downlink configuration, it is determined that since first sub-frame of uplink in radio frames 0, to the subframe 7 in radio frames 1,10 sub-frame of uplink altogether, i.e. the subframe is the 10th sub-frame of uplink, that is i=10, it is thus determined that the redundancy versions of the subframe 7 in radio frames 1 are redundancy versions order pattern { RV0, RV2, RV3, RV1 } inThat is RV4, by that analogy, i.e. according to each transmission subframe relative position in systems (relative to first sub-frame of uplink in first radio frames), determine its corresponding RV in system RV modification patterns, so as to finally determine to use RV3 in the subframe 3 and 4 in radio frames 1, RV1 is used in subframe 7,8,9, RV0 is used in the subframe 2,3,4 in radio frames 2, RV2 is used in subframe 7,8；

Further,There are 2 continuous subframes transmission in the preceding field of radio frames 1 due to terminal,That is A=2,Therefore terminal carries out the number of sub frames=min (T of many sub-frame chan-nel estimations in the preceding field of radio frames 1,A)=min (3,2)=2,I.e. using only subframe 3,4 carry out many sub-frame chan-nel estimations,All there are 3 continuous subframes transmission in the rear field of radio frames 1 and the preceding field of radio frames 2 in terminal,That is A=3,Therefore,Terminal carries out the number of sub frames=T or=min (T of many sub-frame chan-nel estimations in the rear field of radio frames 1 and in the preceding field of radio frames 2,A)=min (3,3)=3,Channel estimation is carried out using 3 subframes,There are 2 continuous subframes transmission in the rear field of radio frames 2 due to terminal,That is A=2,Therefore terminal carries out the number of sub frames=min (T of many sub-frame chan-nel estimations in the rear field of radio frames 2,A)=min (3,2)=2,I.e. using only subframe 7,8 carry out many sub-frame chan-nel estimations.

The embodiment of downlink transfer is similar with above-mentioned uplink, repeats no more.

Explanation is needed, for TDD, above-mentioned descending sub frame includes generic downlink subframe and special subframe.

Referring to Fig. 7, a kind of redundancy versions that the embodiment of the present application is provided change the determining device in cycle, including：

First module 11, for determining TDD uplink-downlink configuration；

Second unit 12, the change cycle of the redundancy versions for according to the TDD uplink-downlink configurations, determining to be used in data transmission procedure.

It is preferred that the second unit, specifically for：

Referring to a kind of channel estimating apparatus that Fig. 8, the embodiment of the present application are provided, including：

Change cycle determining unit 21, the change cycle of the redundancy versions for determining to be used in data transmission procedure；

Number of sub frames determining unit 22, for according to the change cycle, it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated；

Channel estimating unit 23, for the subframe using the number of sub frames, carries out many sub-frame chan-nel estimations.

It is preferred that the preset constant is 2 or 3 or 4；

Referring to a kind of redundancy versions determining device that Fig. 9, the embodiment of the present application are provided, including：

Change cycle determining unit 31, the change cycle of the redundancy versions for determining to be used in data transmission procedure；

Redundancy versions determining unit 32, for according to the change cycle and redundancy versions order pattern, it is starting point with the first subframe in the first radio frames, determine that redundancy versions change pattern, wherein, first radio frames are the radio frames made an appointment or configure, first subframe is the subframe made an appointment or configure, change pattern and the corresponding wireless frame number of present data transmission and subframe number according to the redundancy versions, determine the redundancy versions corresponding to the data transfer in current transmission subframe.

It should be noted that above-mentioned unit, can be realized by hardwares such as processors, each described device may each be the network equipment of network side, such as base station, or terminal side equipment, such as UE.

In sum, in the technical scheme that the embodiment of the present application is provided, determined to repeat the change cycle of the redundancy versions of transmission according to TDD uplink-downlink configurations, many sub-frame chan-nels during supporting to repeat to transmit are estimated, improve transmission performance.

It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program product.Therefore, the application can be in the form of the embodiment in terms of complete hardware embodiment, complete software embodiment or combination software and hardware.And, the application can be in the form of the computer program product implemented in the computer-usable storage medium (including but not limited to magnetic disk storage and optical memory etc.) for wherein include computer usable program code at one or more.

The application is that reference is described according to the flow chart and/or block diagram of the method, equipment (system) and computer program product of the embodiment of the present application.It should be understood that the combination of the flow and/or square frame in each flow and/or square frame and flow chart and/or block diagram in can realizing flow chart and/or block diagram by computer program instructions.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce a machine so that the device for the function of realizing being specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames is produced by the instruction of the computing device of computer or other programmable data processing devices.

These computer program instructions may be alternatively stored in guiding the computer-readable memory that computer or other programmable data processing devices work in a specific way, so that instruction of the storage in the computer-readable memory is produced and include the manufacture of command device, the command device realizes the function of being specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices, so that performing series of operation steps on computer or other programmable devices to produce computer implemented treatment, the step of function for realizing being specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frame is provided is instructed so as to what is performed on computer or other programmable devices.

Obviously, those skilled in the art can carry out various changes and modification without deviating from spirit and scope to the application.So, if these modifications of the application and modification belong within the scope of the application claim and its equivalent technologies, then the application is also intended to comprising these changes and modification.

Claims

1. a kind of redundancy versions change the determination method in cycle, it is characterised in that the method includes：

Determine TDD uplink-downlink configuration；

According to the TDD uplink-downlink configurations, the change of redundancy versions used in data transmission procedure is determined Cycle.

2. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

Determine the change cycle of the redundancy versions that uplink is used, it is right by the TDD uplink-downlink configurations The sub-frame of uplink sum included in the radio frames or field answered；

Or, determine the change cycle of the redundancy versions that uplink is used, it is that the TDD up-downgoings are matched somebody with somebody Put the approximate number or multiple of the sub-frame of uplink sum included in a corresponding radio frames or field；

Or, determine the change cycle of the redundancy versions that uplink is used, it is that the TDD up-downgoings are matched somebody with somebody Put the continuous sub-frame of uplink number included in a corresponding radio frames or field；

Or, determine the change cycle of the redundancy versions that uplink is used, it is that the TDD up-downgoings are matched somebody with somebody Put the approximate number or multiple of the continuous sub-frame of uplink number included in a corresponding radio frames or field；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be described The continuous sub-frame of uplink number or sub-frame of uplink included in the field corresponding to TDD uplink-downlink configurations are total Number；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be described The approximate number or multiple of the continuous sub-frame of uplink number included in the field corresponding to TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be described The approximate number or multiple of the sub-frame of uplink sum included in the field corresponding to TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that uplink is used, it is that the TDD up-downgoings are matched somebody with somebody Put the sub-frame of uplink sum and agreement numerical value included in a corresponding radio frames or field minimum value or Common divisor or common multiple；

Or, determine the change cycle of the redundancy versions that uplink is used, it is that the TDD up-downgoings are matched somebody with somebody Put the minimum value of the continuous sub-frame of uplink number and agreement numerical value included in a corresponding radio frames or field Or common divisor or common multiple；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be described The continuous sub-frame of uplink number included in the field corresponding to TDD uplink-downlink configurations is with agreement numerical value most Small value or common divisor or common multiple；

Or, it is determined that in a field redundancy versions that uplink is used the change cycle, be described The sub-frame of uplink sum included in the field corresponding to TDD uplink-downlink configurations and the minimum for arranging numerical value Value or common divisor or common multiple.

3. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

Determine the change cycle of the redundancy versions that downlink transfer is used, it is right by the TDD uplink-downlink configurations The descending sub frame sum included in the radio frames or field answered；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the approximate number or multiple of the descending sub frame sum included in a corresponding radio frames or field；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the continuous descending sub frame number included in a corresponding radio frames or field；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the approximate number or multiple of the continuous descending sub frame number included in a corresponding radio frames or field；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be described The continuous descending sub frame number or descending sub frame included in the field corresponding to TDD uplink-downlink configurations are total Number；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be described The approximate number or multiple of the continuous descending sub frame number included in the field corresponding to TDD uplink-downlink configurations；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be described The approximate number or multiple of the descending sub frame sum included in the field corresponding to TDD uplink-downlink configurations；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the continuous descending sub frame number included in corresponding two neighboring radio frames；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the approximate number or multiple of the continuous descending sub frame number included in corresponding two neighboring radio frames；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the descending sub frame sum and agreement numerical value included in a corresponding radio frames or field minimum value or Common divisor or common multiple；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the minimum value of the continuous descending sub frame number and agreement numerical value included in a corresponding radio frames or field Or common divisor or common multiple；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be described The descending sub frame sum included in the field corresponding to TDD uplink-downlink configurations and the minimum for arranging numerical value Value or common divisor or common multiple；

Or, it is determined that in a field redundancy versions that downlink transfer is used the change cycle, be described The continuous descending sub frame number included in the field corresponding to TDD uplink-downlink configurations is with agreement numerical value most Small value or common divisor or common multiple；

Or, determine the change cycle of the redundancy versions that downlink transfer is used, it is that the TDD up-downgoings are matched somebody with somebody Put the continuous descending sub frame number and agreement numerical value included in corresponding two neighboring radio frames minimum value or Common divisor or common multiple.

4. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

When the TDD uplink-downlink configurations are with setting to 0, changing for the redundancy versions that uplink is used is determined Variable period is 6；And/or,

When the TDD uplink-downlink configurations are for configuration 1, changing for the redundancy versions that uplink is used is determined Variable period is 4；And/or,

When the TDD uplink-downlink configurations are for configuration 2 or 4, the redundancy versions that uplink is used are determined The change cycle be 2；And/or,

When the TDD uplink-downlink configurations are for configuration 3, changing for the redundancy versions that uplink is used is determined Variable period is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 5, changing for the redundancy versions that uplink is used is determined Variable period is 1；And/or,

When the TDD uplink-downlink configurations are for configuration 6, changing for the redundancy versions that uplink is used is determined Variable period is 5.

5. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

When the TDD uplink-downlink configurations are with setting to 0 or when 3, determine the redundancy versions that uplink is used The change cycle be 3；And/or,

When the TDD uplink-downlink configurations are for configuration 1 or 4, the redundancy versions that uplink is used are determined The change cycle be 2；And/or,

When the TDD uplink-downlink configurations are for configuration 2 or 5, the redundancy versions that uplink is used are determined The change cycle be 1；And/or,

When the TDD uplink-downlink configurations are for configuration 6, changing for the redundancy versions that uplink is used is determined Variable period is 2 or 3, or, it is 2 that preceding field in a radio frame is 3, rear field.

6. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

When the TDD uplink-downlink configurations are for configuration 3, changing for the redundancy versions that downlink transfer is used is determined Variable period is 7, or, preceding field in a radio frame is 2, rear field is 5, or, wireless at one It is 3 in subframe 5,6,7 in frame, in subframe 8,9 and latter radio frames in a radio frame It is 4 in subframe 0,1, or, be 4 in subframe 5,6,7,8 in a radio frame, in a nothing It is 3 in the subframe 0,1 in subframe 9 and latter radio frames in line frame；And/or,

When the TDD uplink-downlink configurations are for configuration 4, changing for the redundancy versions that downlink transfer is used is determined Variable period is 8 or 4 or 2；And/or,

When the TDD uplink-downlink configurations are for configuration 5, changing for the redundancy versions that downlink transfer is used is determined Variable period is 9 or 3.

7. method according to claim 1, it is characterised in that matched somebody with somebody according to the TDD up-downgoings Put, determine the change cycle of redundancy versions used in data transmission procedure, specifically include：

When the TDD uplink-downlink configurations are with setting to 0, changing for the redundancy versions that downlink transfer is used is determined Variable period is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 1, changing for the redundancy versions that downlink transfer is used is determined Variable period is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 2, changing for the redundancy versions that downlink transfer is used is determined Variable period is 4 or 2；And/or,

When the TDD uplink-downlink configurations are for configuration 6, changing for the redundancy versions that downlink transfer is used is determined Variable period is 2 or 3, or, in a subframe for radio frames 5 and 6 for 2, in a radio frame It is 3 in subframe 0 and 1 in subframe 9 and latter radio frames.

8. the method according to claim 2,4 or 5, it is characterised in that the agreement numerical value is The constant made an appointment or configure, or hop period for uplink and/or up carry out many sub-frame chan-nels The number of sub frames used during estimation.

9. the method according to claim 3,6 or 7, it is characterised in that the agreement numerical value is The constant made an appointment or configure, or hop period for downlink transfer and/or descending carry out many sub-frame chan-nels The number of sub frames used during estimation.

10. according to the method in claim 2 or 3, it is characterised in that the common divisor is most grand duke Approximate number, the common multiple is least common multiple.

A kind of 11. channel estimation methods, it is characterised in that including：

12. methods according to claim 11, it is characterised in that according to the change cycle, really Surely the number of sub frames for used when many sub-frame chan-nels are estimated is needed, is specifically included：

It it is the change cycle normal with default it is determined that needing the number of sub frames for used when many sub-frame chan-nels are estimated Minimum value in number；

13. methods according to claim 12, it is characterised in that the preset constant is 2 or 3 Or 4；

Or, the preset constant is the subframe for transmitting same transmission block TB in a radio frames Number；

Or, the preset constant is for transmitting same TB first subframe in a radio frames The continuous subframes number of beginning；

Or, the preset constant is that for transmitting same TB first subframe in a field is opened The continuous subframes number of beginning.

14. method according to any claim of claim 11~13, it is characterised in that the determination number According to the change cycle of the redundancy versions used in transmitting procedure, specifically include：Using claim 1~10 times Method described in one claim determines the change cycle of the redundancy versions used in data transmission procedure.

A kind of 15. redundancy versions determine method, it is characterised in that including：

According to the change cycle and redundancy versions order pattern, with the first subframe in the first radio frames to rise Point, determines that redundancy versions change pattern, wherein, first radio frames are the nothing made an appointment or configure Line frame, first subframe is the subframe made an appointment or configure；

16. methods according to claim 15, it is characterised in that according to change cycle and superfluous Remaining version order pattern, is starting point with the first subframe in the first radio frames, determines that redundancy versions change pattern, Specifically include：

It is starting point with the first subframe in the first radio frames if the change cycle is T, per the T first kind Subframe changes a redundancy versions, and redundancy versions are changed according to redundancy versions order pattern；

Or, it is starting point with the first subframe in the first radio frames, at each if the change cycle is T First first kind subframe in radio frames starts, and a redundancy versions are changed per T first kind subframe, superfluous Remaining version is changed according to redundancy versions order pattern；

Or, it is starting point with the first subframe in the first radio frames, at each if the change cycle is T First first kind subframe in field starts, and a redundancy versions, redundancy are changed per T first kind subframe Version is changed according to redundancy versions order pattern；

Wherein, for uplink, the first kind subframe is sub-frame of uplink, described for downlink transfer First kind subframe is descending sub frame.

17. method according to claim 15 or 16, it is characterised in that first radio frames are Wireless frame number is 0 radio frames；And/or,

For uplink, first subframe is first sub-frame of uplink in a radio frames, Huo Zhewei First sub-frame of uplink in one field；And/or,

For downlink transfer, first subframe is first descending sub frame in a radio frames, Huo Zhewei First descending sub frame in one field, or for first sub-frame of uplink in a radio frames after First descending sub frame, or be first descending sub frame in latter field in a radio frames.

18. methods according to claim 15, it is characterised in that the determination data transmission procedure In the change cycle of the redundancy versions of middle use, specifically include：Using described in any claim of claim 1~10 Method determine change cycle of the redundancy versions used in data transmission procedure.

A kind of 19. redundancy versions change the determining device in cycle, it is characterised in that including：

First module, for determining TDD uplink-downlink configuration；

Second unit, for according to the TDD uplink-downlink configurations, determining what is used in data transmission procedure The change cycle of redundancy versions.

20. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

21. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

22. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

When the TDD uplink-downlink configurations are for configuration 2/4, the redundancy versions that uplink is used are determined The change cycle is 2；And/or,

23. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

When the TDD uplink-downlink configurations are for configuration 0/3, the redundancy versions that uplink is used are determined The change cycle is 3；And/or,

When the TDD uplink-downlink configurations are for configuration 1/4, the redundancy versions that uplink is used are determined The change cycle is 2；And/or,

When the TDD uplink-downlink configurations are for configuration 2/5, the redundancy versions that uplink is used are determined The change cycle is 1；And/or,

24. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

25. devices according to claim 19, it is characterised in that the second unit, it is specific to use In：

26. device according to claim 20,22 or 23, it is characterised in that the about fixed number It is worth the constant to make an appointment or configuring, or hop period for uplink and/or up carries out many subframes The number of sub frames used during channel estimation.

27. device according to claim 21,24 or 25, it is characterised in that the agreement numerical value It is the constant made an appointment or configure, or hop period for downlink transfer and/or descending carries out many subframe letters The number of sub frames that road is used when estimating.

28. device according to claim 20 or 21, it is characterised in that the common divisor is maximum Common divisor, the common multiple is least common multiple.

A kind of 29. channel estimating apparatus, it is characterised in that including：

Change cycle determining unit, the change week of the redundancy versions for determining to be used in data transmission procedure Phase；

Number of sub frames determining unit, for according to the change cycle, it is determined that needing to carry out many sub-frame chan-nel estimations The number of sub frames of Shi Caiyong；

30. devices according to claim 29, it is characterised in that the number of sub frames determining unit tool Body is used for：It is determined that need to carry out the number of sub frames used when many sub-frame chan-nels are estimated, be the change cycle with it is pre- If the minimum value in constant；

31. devices according to claim 30, it is characterised in that the preset constant is 2 or 3 Or 4；

32. device according to any claim of claim 29~31, it is characterised in that the change week Phase determining unit, is the device described in any claim of claim 19~28.

A kind of 33. redundancy versions determining devices, it is characterised in that including：

Redundancy versions determining unit, for according to the change cycle and redundancy versions order pattern, with first The first subframe in radio frames is starting point, determines that redundancy versions change pattern, wherein, first radio frames It is the radio frames made an appointment or configure, first subframe is the subframe made an appointment or configure, according to The redundancy versions change pattern and the corresponding wireless frame number of present data transmission and subframe number, it is determined that The redundancy versions corresponding to data transfer in current transmission subframe.

34. devices according to claim 33, it is characterised in that the redundancy versions determining unit It is starting point with the first subframe in the first radio frames according to the change cycle and redundancy versions order pattern, Determine that redundancy versions change pattern, specifically include：

35. device according to claim 33 or 34, it is characterised in that first radio frames are Wireless frame number is 0 radio frames；And/or,

36. devices according to claim 33, it is characterised in that the change cycle determining unit, Device described in any claim of claim 19~28.