CN103957564B - A kind of data transmission method and device - Google Patents

A kind of data transmission method and device Download PDF

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Publication number
CN103957564B
CN103957564B CN201410156261.2A CN201410156261A CN103957564B CN 103957564 B CN103957564 B CN 103957564B CN 201410156261 A CN201410156261 A CN 201410156261A CN 103957564 B CN103957564 B CN 103957564B
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subframe
radio frames
frame
uplink
descending
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CN103957564A (en
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李俊杰
祝捷
宋磊
叶晖
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Chong Yi Technology Group Ltd
Zhangbei Cloud Associated Data Services LLC
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Chong Yi Technology Group Ltd
Zhangbei Cloud Associated Data Services LLC
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Abstract

The invention provides a kind of data transmission method and device, wherein, methods described includes：Receive transmitting uplink data instruction；Instructed according to the transmitting uplink data, the radio frame transmission upstream data of the frame structure configured using the ascending-descending subframes according to setting；Wherein, in the ascending-descending subframes configuration of the setting, the proportioning of the sub-frame of uplink of a radio frames in whole subframes is more than or equal to 8：10.Solved by the present invention when carrying out high-volume transmitting uplink data, the problem of uplink efficiency is low, and link circuit resource is not fully utilized.

Description

A kind of data transmission method and device
Technical field
The present invention relates to communication technical field, more particularly to a kind of data transmission method and device.
Background technology
Third generation cooperative partner program (The 3rd Generation Partnership Project, 3GPP) technology is advised The Long Term Evolution (Long term evolution, LTE) of model version 9 is the widely used mobile communication mark of current telecom vendors One of standard.
Provided in 3GPP TS 36.211V9.1.0, LTE supports two kinds of frame structures in the air on interface：Type1 and Type2, corresponds to two kinds of duplex modes respectively, and wherein Type1 is used for FDD (FrequencyDivision Duplexing, frequency division Duplex)；Type2 is used for TDD (Time Division Duplexing, time division duplex).
In TDD, 10ms radio frames are made up of the field (half Frame) that two length are 5ms, and each field is by 5 The subframe that individual length is 1ms forms, wherein having 4 conventional subframes and 1 special subframe.Common subframe by two 0.5ms when Gap forms, and special subframe is by 3 special time slots：Uplink pilot time slot (UpPTS), protection interval (GP) and descending pilot frequency time slot (DwPTS) form.Can be 5ms periodic frame structures and 10ms periodic frame structures by TDD points according to the frequency of occurrences of special subframe Two types.In 5ms periodic frame structures, special subframe is located at second subframe (that is, subframe 1 and 6) of each field, two Field has identical structure and identical ascending-descending subframes ratio.In 5ms periodic frame knot spies, uplink downlink proportioning Option is：UL(Up-Link):DL (Down-Link)=3:2, or UL:DL=2:3, or UL:DL=1:4.In 10ms periodic frames During knot is special, an only special subframe, remaining subframe is conventional subframe, and special subframe is located at subframe 1.In 10ms periodic frames In structure, uplink downlink proportioning option is：UL:DL=3:7, or UL:DL=2:8, or UL:DL=1:9, or UL:DL=5: 5。
When carrying out a transmitting uplink data business, need to transmit especially in the presence of large batch of upstream data, and do not have When having downlink data to need transmission or downlink data less, selection is matched wireless using any of the above-described kind of uplink downlink Frame, it is unable to quickly and efficiently carry out transmitting uplink data, and simultaneously, it is not necessary to use or the less downlink used will In idle condition, this causes, and one side uplink efficiency is low, and another aspect link circuit resource is not fully utilized.
The content of the invention
The invention provides a kind of data transmission method and device, during solving existing high-volume transmitting uplink data, on The problem of row efficiency of transmission is low, and link circuit resource is not fully utilized.
In order to solve the above problems, the invention discloses a kind of data transmission method, including：
Receive transmitting uplink data instruction；
Instructed according to the transmitting uplink data, the radio frames of the frame structure configured using the ascending-descending subframes according to setting Transmit upstream data；
Wherein, in the ascending-descending subframes configuration of the setting, sub-frame of uplink the matching somebody with somebody in whole subframes of a radio frames Than more than or equal to 8：10.
Alternatively, instructed according to the transmitting uplink data, the frame structure configured using the ascending-descending subframes according to setting Radio frame transmission upstream data the step of include：
Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 5ms cycles, wherein, the 5ms The radio frames in cycle include：8 sub-frame of uplink and 2 special subframes, wherein, it is spaced between 2 special subframes on 5 Row subframe；Or,
Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 10ms cycles, wherein, it is described The radio frames in 10ms cycles include：9 sub-frame of uplink and 1 special subframe；Wherein, 1 special subframe is arranged at institute State any one subframe of radio frames；Or,
Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 10ms cycles, wherein, it is described The radio frames in 10ms cycles include：8 sub-frame of uplink, 1 special subframe and 1 descending sub frame；Wherein, described 1 it is descending Subframe is arranged at any one subframe of the radio frames, and 1 special subframe is arranged at the latter of the descending sub frame Subframe.
Alternatively, before the reception transmitting uplink data instruction step, methods described also includes：
According to the configuration of the ascending-descending subframes of the setting and transmission control protocol round-trip transmission time, the radio frames are configured Hybrid automatic repeat-request enter number of passes；
Wherein,
It is 10ms when the cycle of the radio frames, when the radio frames include 9 sub-frame of uplink and 1 special subframe, matches somebody with somebody That puts the normal hybrid automatic repeat-request of the radio frames enters number of passes for 16；Or configure the normal mixing of the radio frames HARQ enters number of passes for 15；
It is 5ms when the cycle of the radio frames, when the radio frames include 8 sub-frame of uplink and 2 special subframes, configuration The normal hybrid automatic repeat-request of the radio frames enters number of passes for 10；
It is 10ms when the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 During row subframe, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 12.
Then, the step of the radio frame transmission upstream data of the frame structure configured in the use according to the ascending-descending subframes of setting After rapid, in addition to：
Configured according to the ascending-descending subframes of the radio frames used, it is determined that the process of normal hybrid automatic repeat-request Number；
Enter number of passes according to the normal hybrid automatic repeat-request of determination, it is in the transmission of the upstream data idle When, send the normal hybrid automatic repeat-request.
Alternatively, before the reception transmitting uplink data instruction step, methods described also includes：
Configured according to the ascending-descending subframes of the setting, configure the up-link association index of the radio frames；
Wherein,
It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and institute When stating 1 special subframe and being located at the subframe 0 of the radio frames, collocating uplink link association index is 4 in descending sub frame 4；
It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and described When 2 special subframes are located at the subframe 0 and subframe 5 of the radio frames respectively, in descending sub frame 4 and descending sub frame 9 in configuration Line link association index is 4；
It is 10ms when the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 Row subframe, and 1 special subframe is located at the subframe 1 of the radio frames, 1 descending sub frame is located at the radio frames During subframe 0, collocating uplink link association index is 4 in descending sub frame 4 and descending sub frame 5.
Then, the step of the radio frame transmission upstream data of the frame structure configured in the use according to the ascending-descending subframes of setting After rapid, in addition to：
Configured according to the ascending-descending subframes of the radio frames used, determine corresponding feedback acknowledgment/non-acknowledgement signal Descending sub frame and corresponding up-link association index；
According to the up-link association index of determination, it is determined that the descending sub frame on feedback acknowledgment/non-acknowledgement Signal.
Alternatively, before the reception transmitting uplink data instruction step, methods described also includes：
Uplink pilot time slot in the special subframe is replaced be configured to 7 descending pilot frequency time slot；
Or
Configured according to the ascending-descending subframes of the setting, determine uplink pilot time slot UpPTS, the protection of the special subframe It is spaced GP and descending pilot frequency time slot DwPTS symbol；According to the uplink pilot time slot UpPTS of the special subframe of determination, protect Shield interval GP and descending pilot frequency time slot DwPTS symbol, configure PSS and SSS and Physical Broadcast Channel PBCH position；
Or
According to the channel control information, the up Yellow Book of the radio frames is configured；Wherein, when the radio frames Cycle is 10ms, when the radio frames include 9 sub-frame of uplink and 1 special subframe, configures the upper line index of the radio frames Bitmap option in option is 9 bit maps, and the selector and bitmap option in up Yellow Book are 2 bit selectors and 3 Bit map, the Yellow Book in up Yellow Book is 4 bit index；It is 5ms when the cycle of the radio frames, it is described wireless When frame includes 8 sub-frame of uplink and 2 special subframes, it is 8 to configure the bitmap option in the up Yellow Book of the radio frames Bit map, selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, upper line index choosing Yellow Book in is 3 bit index；When the cycle of the radio frames is 10ms, the radio frames include 8 sub-frame of uplink, When 1 special subframe and 1 descending sub frame, it is 8 bits to configure the bitmap option in the up Yellow Book of the radio frames Figure, selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, in up Yellow Book Yellow Book is 3 bit index；
Or
Configured according to the ascending-descending subframes of the setting, the physical mixed for configuring each subframe in the radio frames weighs automatically Pass the group sequence number parameter of indicating channel resource group；Wherein, it is 10ms when the cycle of the radio frames, the radio frames include 9 When sub-frame of uplink and 1 special subframe, described group of sequence number parameter is configured in subframe 0 as 2；Or in subframe 0 described in configuration Group sequence number parameter is 9；It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes When, described group of sequence number parameter is respectively configured in subframe 0 and subframe 5 as 2；When the cycle of the radio frames is 10ms, the nothing When line frame includes 8 sub-frame of uplink, 1 special subframe and 1 descending sub frame, described group is respectively configured in subframe 0 and subframe 1 Sequence number parameter is 2.
Alternatively, before the reception transmitting uplink data instruction step, methods described also includes：
Configured according to the ascending-descending subframes of the setting, the physical mixed for configuring each subframe in the radio frames weighs automatically Pass indicating channel resource number；
Wherein,
It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and institute When stating 1 special subframe and being located at the subframe 0 of the radio frames, from subframe 0 to subframe 9, the physical mixed in each subframe is automatic Retransmission indicating channel resource number is followed successively by：0、9、8、7、6、5、14、13、12、11；Or it is followed successively by：0、9、8、7、6、5、4、 13、12、11；
It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and described When 2 special subframes are located at the subframe 0 and subframe 5 of the radio frames respectively, from subframe 0 to subframe 9, the physics in each subframe Mixed automatic re-transmission indicating channel number of resources is followed successively by：0、4、8、7、6、0、4、8、7、6；
It is 10ms when the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 Row subframe, and 1 special subframe is located at the subframe 1 of the radio frames, 1 descending sub frame is located at the radio frames During subframe 0, from subframe 0 to subframe 9, the physical mixed automatic re-transmission indicating channel number of resources in each subframe is followed successively by：0、0、 8、7、7、6、5、4、12、11。
Alternatively, configured described according to the ascending-descending subframes of the setting, configure each subframe in the radio frames After physical mixed automatic re-transmission indicating channel number of resources step, methods described also includes：
According to the physical mixed automatic re-transmission indicating channel number of resources of each subframe in radio frames, configure in the radio frames The feedback acknowledgment of the physical mixed automatic re-transmission indicating channel of subframe/non-acknowledgement signal binding.
Correspondingly, the invention also discloses a kind of data transmission device, described device to include：
Receiving module, for receiving transmitting uplink data instruction；
Data transmission module, for being instructed according to the transmitting uplink data, match somebody with somebody using according to the ascending-descending subframes of setting The radio frame transmission upstream data for the frame structure put；
Wherein, in the ascending-descending subframes configuration of the setting, sub-frame of uplink the matching somebody with somebody in whole subframes of a radio frames Than more than or equal to 8：10.
Alternatively, the data transmission module, for being instructed according to the transmitting uplink data, the nothing in 5ms cycles is used Line frame transmits upstream data, wherein, the radio frames in the 5ms cycles include：8 sub-frame of uplink and 2 special subframes, its In, 5 sub-frame of uplink are spaced between 2 special subframes；Or
The data transmission module, for being instructed according to the transmitting uplink data, passed using the radio frames in 10ms cycles Defeated upstream data, wherein, the radio frames in the 10ms cycles include：9 sub-frame of uplink and 1 special subframe；Wherein, it is described 1 special subframe is arranged at any one subframe of the radio frames；Or
The data transmission module, for being instructed according to the transmitting uplink data, passed using the radio frames in 10ms cycles Defeated upstream data, wherein, the radio frames in the 10ms cycles include：8 sub-frame of uplink, 1 special subframe and 1 descending son Frame；Wherein, 1 descending sub frame is arranged at any one subframe of the radio frames, and special subframe is arranged at described descending The latter subframe of subframe.
Alternatively, described device also includes：
Enter number of passes configuration module, for before the receiving module receives transmitting uplink data instruction, being set according to described Fixed ascending-descending subframes configuration and transmission control protocol round-trip transmission time, configure the hybrid automatic repeat-request of the radio frames Enter number of passes；
Wherein,
It is described enter number of passes configuration module be 10ms in the cycle of the radio frames, the radio frames include 9 sub-frame of uplink During with 1 special subframe, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 16；Or configuration institute That states the normal hybrid automatic repeat-request of radio frames enters number of passes for 15；
It is described enter number of passes configuration module be 5ms in the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and During 2 special subframes, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 10；
It is described enter number of passes configuration module be 10ms in the cycle of the radio frames, the radio frames include 8 sub-frame of uplink, When 1 special subframe and 1 descending sub frame, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 12；
Enter number of passes determining module, for using the frame of the ascending-descending subframes configuration according to setting in the data transmission module After the radio frame transmission upstream data of structure, configured according to the ascending-descending subframes of the radio frames used, it is determined that normal mixed That closes HARQ enters number of passes；
Normal hybrid automatic repeat-request sending module, for the normal hybrid automatic repeat-request according to determination Enter number of passes, in the transmission free time of the upstream data, send the normal hybrid automatic repeat-request.
Alternatively, described device also includes：
Up-link association index configuration module, for the receiving module receive transmitting uplink data instruction before, Configured according to the ascending-descending subframes of the setting, configure the up-link association index of the radio frames；
Wherein,
The up-link association index configuration module is 10ms in the cycle of the radio frames, and the radio frames include 9 Individual sub-frame of uplink and 1 special subframe, and when 1 special subframe is located at the subframe 0 of the radio frames, in descending sub frame 4 Middle collocating uplink link association index is 4；
The up-link association index configuration module is 5ms in the cycle of the radio frames, and the radio frames are including 8 Sub-frame of uplink and 2 special subframes, and 2 special subframes respectively be located at the radio frames subframe 0 and subframe 5 when, Collocating uplink link association index is 4 in descending sub frame 4 and descending sub frame 9；
The up-link association index configuration module is 10ms in the cycle of the radio frames, and the radio frames include 8 Individual sub-frame of uplink, 1 special subframe and 1 descending sub frame, and 1 special subframe is located at the subframe 1 of the radio frames, institute When stating 1 descending sub frame and being located at the subframe 0 of the radio frames, the collocating uplink link association in descending sub frame 4 and descending sub frame 5 Index is 4；
Up-link association index determining module, for using up-downgoing according to setting in the data transmission module After the radio frame transmission upstream data of the frame structure of frame configuration, configured according to the ascending-descending subframes of the radio frames used, Determine the descending sub frame of corresponding feedback acknowledgment/non-acknowledgement signal and corresponding up-link association index；
Signal feedback module, for the up-link association index according to determination, it is determined that the descending sub frame Upper feedback acknowledgment/non-acknowledgement signal.
Alternatively, described device also includes：
Pilot time slot replacement module, for the receiving module receive transmitting uplink data instruction before, by the spy Uplink pilot time slot in different subframe replace be configured to 7 descending pilot frequency time slot；
Or
Symbol determining module, for the receiving module receive transmitting uplink data instruction before, according to the setting Ascending-descending subframes configuration, determine the uplink pilot time slot UpPTS, protection interval GP and descending pilot frequency time slot of the special subframe DwPTS symbol；Position configuration module, between uplink pilot time slot UpPTS for the special subframe according to determination, protection Every GP and descending pilot frequency time slot DwPTS symbol, configuration PSS and SSS and Physical Broadcast Channel PBCH position；
Or
Yellow Book configuration module, for the receiving module receive transmitting uplink data instruction before, according to described Channel control information, configure the up Yellow Book of the radio frames；
Wherein,
The Yellow Book configuration module is 10ms in the cycle of the radio frames, and the radio frames include 9 up sons When frame and 1 special subframe, it is 9 bit maps to configure the bitmap option in the up Yellow Book of the radio frames, up rope Draw the selector in option and bitmap option is 2 bit selectors and 3 bit maps, the Yellow Book in up Yellow Book is 4 bit index；
The Yellow Book configuration module is 5ms in the cycle of the radio frames, and the radio frames include 8 sub-frame of uplink During with 2 special subframes, it is 8 bit maps to configure the bitmap option in the up Yellow Book of the radio frames, upper line index Selector and bitmap option in option are 1 bit selector and 4 bit maps, and the Yellow Book in up Yellow Book is 3 Bit index；
The Yellow Book configuration module is 10ms in the cycle of the radio frames, and the radio frames include 8 up sons When frame, 1 special subframe and 1 descending sub frame, it is 8 bits to configure the bitmap option in the up Yellow Book of the radio frames Bitmap, selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, in up Yellow Book Yellow Book be 3 bit index；
Or
Group sequence number parameter configuration module, for the receiving module receive transmitting uplink data instruction before, according to institute The ascending-descending subframes configuration of setting is stated, configures the physical mixed automatic re-transmission indicating channel resource of each subframe in the radio frames The group sequence number parameter of group；
Wherein,
Described group of sequence number parameter configuration module is 10ms in the cycle of the radio frames, the radio frames include 9 it is up When subframe and 1 special subframe, described group of sequence number parameter is configured in subframe 0 as 2；Or described group of sequence is configured in subframe 0 Number parameter is 9；
Described group of sequence number parameter configuration module is 5ms in the cycle of the radio frames, and the radio frames include 8 up sons When frame and 2 special subframes, described group of sequence number parameter is respectively configured in subframe 0 and subframe 5 as 2；
Described group of sequence number parameter configuration module is 10ms in the cycle of the radio frames, the radio frames include 8 it is up When subframe, 1 special subframe and 1 descending sub frame, described group of sequence number parameter is respectively configured in subframe 0 and subframe 1 as 2.
Compared with prior art, the present invention has advantages below：
The present invention receive transmitting uplink data instruction after, according to the transmitting uplink data instruct, using according to The radio frame transmission upstream data of the frame structure of the uplink downlink configuration of setting.Due in the uplink downlink of the setting In configuration, the proportioning of the sub-frame of uplink of a radio frames in whole subframes is more than or equal to 8：10.Therefore, passed in upstream data During defeated, on the one hand, can there is substantial amounts of up-link to be used for transmitting uplink data, improve transmitting uplink data efficiency； On the other hand, during transmitting uplink data, only pole individual link (e.g. a, downlink) is likely to be at idle condition, Link circuit resource utilization rate thus is improved, accelerates data transmission bauds.
Brief description of the drawings
Fig. 1 is a kind of flow chart of data transmission method in first embodiment of the invention；
A kind of flow chart of data transmission method in Fig. 2 second embodiment of the invention；
Fig. 3 is a kind of flow chart of up-link association index collocation method in embodiment illustrated in fig. 2；
A kind of structural frames of data transmission device in Fig. 4 third embodiment of the invention；
A kind of structured flowchart of data transmission device in Fig. 5 fourth embodiment of the invention；
Fig. 6 is a kind of up-link association index configuration device structured flowchart in embodiment illustrated in fig. 5.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is further detailed explanation.
Reference picture 1, show a kind of flow chart of data transmission method in first embodiment of the invention.In the present embodiment In, the data transmission method includes：
Step 102, transmitting uplink data instruction is received.
Step 104, instructed according to the transmitting uplink data, the frame structure configured using the uplink downlink according to setting Radio frame transmission upstream data.Wherein, in the uplink downlink configuration of the setting, the sub-frame of uplink of a radio frames is complete Proportioning in portion's subframe is more than or equal to 8：10.
In summary, in the present embodiment, after receiving transmitting uplink data instruction, according to the transmitting uplink data Instruction, the radio frame transmission upstream data of the frame structure configured using the uplink downlink according to setting.Due in the setting Uplink downlink configuration in, the proportioning of the sub-frame of uplink of a radio frames in whole subframes is more than or equal to 8：10.Therefore, During transmitting uplink data, on the one hand, can there is substantial amounts of up-link to be used for transmitting uplink data, improve line number According to efficiency of transmission；On the other hand, during transmitting uplink data, only at pole individual link (e.g. a, downlink) possibility In idle condition, thus link circuit resource utilization rate is improved, accelerate data transmission bauds.
Reference picture 2, show a kind of flow chart of data transmission method in second embodiment of the invention.In the present embodiment In, the ascending-descending subframes that can be set according to following configuration in TDD configure：
In TDD, the proportioning of the sub-frame of uplink of a radio frames in whole subframes can be 8:10 or 9:10.Specifically match somebody with somebody The situation of putting can be as shown in table 1, and table 1 is the sub-frame configuration table of radio frames in TDD, wherein, " S " represents special subframe, and " U " is represented UL subframe is uplink sub-frames, and " D " represents that DL subframe is downlink subframe.
Table 1
In above-mentioned table 1, matching somebody with somebody in UL-DL configurations (i.e. ascending-descending subframes configure) is set to 0 to ascending-descending subframes corresponding to configuration 6 Configuration is that former agreement frame structure as specified in the V9.1.0 of 3GPP TS 36.211 configures.In the present embodiment, to above-mentioned table 1 In the configuration of original ascending-descending subframes extended, set following new ascending-descending subframes configuration：
In the radio frames in 10ms cycles, 9 sub-frame of uplink and 1 special subframe are configured, wherein, 1 special son Frame can be arranged on any one subframe of the radio frames.In the present embodiment, a kind of specific configuration can be as in table 1 Configuration 8,1 special subframe is arranged to the subframe 0 of the radio frames.Under this arrangement, it is assumed that each subframe uses 0.92 PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), then under this configuration PUSCH Ratio (PUSCH ratios, i.e. " PUSCH Ratio assuming 0.92PUSCH usage for each The value of subframe " fields), it is (0.92 × 0.1)+0.8=0.892.
Explanation is needed exist for, in table 1, the subframe number 0-9 of the radio frames, which is intended merely to narration, to be needed and enter Capable numbering, its numbering can use any one in existing numbering, and the present embodiment is not restricted to this.
In the radio frames in 5ms cycles, 8 sub-frame of uplink and 2 special subframes are configured, wherein, 2 special subframes Between be spaced 5 sub-frame of uplink.Such as, 2 special subframes are separately positioned on subframe 0 and subframe 5 or subframe 1 and subframe 6 or subframe 2 and subframe 7 or subframe 3 and subframe 8 or subframe 4 and subframe 9, the present embodiment is not restricted to this.In this implementation In example, a kind of specific configuration can be located at the subframe of the radio frames respectively such as the configuration 9 in table 1,2 special subframes 0 and subframe 5.Under this arrangement, it is assumed that each subframe uses 0.92 PUSCH, then the PUSCH Ratio (PUSCH under this configuration Ratio, i.e., " value of PUSCH Ratio assuming 0.92PUSCH usage for each subframe " fields), be (0.92 × 0.2)+0.6=0.784.
In the radio frames in 10ms cycles, 8 sub-frame of uplink of configuration, 1 special subframe and 1 descending sub frame.Wherein, institute Any one subframe that 1 descending sub frame is arranged at the radio frames is stated, 1 special subframe is arranged at the descending sub frame The latter subframe.Specific configuration a kind of in the present embodiment can be set such as the configuration 10 in table 1,1 special subframe The subframe 1 of the radio frames is placed in, 1 descending sub frame is arranged at the subframe 0 of the radio frames.Under this arrangement, it is assumed that Each subframe uses 0.92 PUSCH, then PUSCH Ratio (the PUSCH ratios, i.e. " PUSCHRatio under this configuration The value of assuming 0.92PUSCH usage for each subframe " fields), it is (0.92 × 0.2)+0.6= 0.784。
Therefore using the present invention ascending-descending subframes configure radio frame transmission upstream data when, up ratio is much The radio frames configured higher than traditional ascending-descending subframes, the radio frame transmission upstream data of ascending-descending subframes of the invention configuration Up ratio reaches as high as 0.892.
In the present embodiment, configured with reference to the ascending-descending subframes of above-mentioned setting, the data transmission method includes：
Step 202, base station is according to the configuration of the ascending-descending subframes of the setting and transmission control protocol round-trip transmission time (TCP round-trip transmission times, RTT), the hybrid automatic repeat-request (HARQ) for configuring the radio frames enter number of passes.
HARQ's enters number of passes in the case where ascending-descending subframes configuration determines, is to be determined by RTT time, mainly In order to avoid wasting, it is necessary to send the data of other processes on these sub-frame of uplink for sub-frame of uplink.
Configured according to the DL-UL of table 1, in the present embodiment, the hybrid automatic repeat-request of the radio frames enters number of passes Concrete configuration can be as shown in table 2, and table 2 is HARQ process allocation lists：
Table 2
UL-DL, which matches somebody with somebody, in above-mentioned table 2 sets to 0 to the several evidences of process of the hybrid automatic repeat-request of radio frames corresponding to configuration 6 UL-DL for details, reference can be made to existing protocol as in TS 36.213 with setting to 0 to frame structure configuration determination corresponding to configuration 6 in table 1 Table8-1。
It is preferred that in the present embodiment, UL-DL configures 8a and configures the mixing of radio frames corresponding to 8c certainly in above-mentioned table 2 The process of dynamic repeat requests is several to be determined according to frame structure configuration corresponding to UL-DL configurations 8 in table 1；UL-DL configurations 9 in above-mentioned table 2 The process of the hybrid automatic repeat-request of corresponding radio frames is several to be configured really according to frame structure corresponding to UL-DL configurations 9 in table 1 It is fixed；The process of the hybrid automatic repeat-request of radio frames is several corresponding to UL-DL configurations 10 in above-mentioned table 2 matches somebody with somebody according to UL-DL in table 1 Frame structure configuration corresponding to 10 is put to determine.That is, in table 2：
8a is configured, is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special son During frame, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 16.
8c is configured, is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special son During frame, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 15.
Configuration 9, is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes When, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 10.
Configuration 10, is 10ms when the cycle of the radio frames, and the radio frames include 8 sub-frame of uplink, 1 special subframe During with 1 descending sub frame, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 12.
Step 204, base station receives transmitting uplink data instruction.
Step 206, base station instructs according to the transmitting uplink data, the frame configured using the uplink downlink according to setting The radio frame transmission upstream data of structure.
Such as, base station instructs according to the transmitting uplink data, using the configuration 9 in table 1, uses the radio frames in 5ms cycles Upstream data is transmitted, wherein, the radio frames in the 5ms cycles include：8 sub-frame of uplink and 2 special subframes, described 2 Special subframe is located at the subframe 0 and subframe 5 of the radio frames respectively.
Or
Base station instructs according to the transmitting uplink data, using the configuration 8 in table 1, is passed using the radio frames in 10ms cycles Defeated upstream data, wherein, the radio frames in the 10ms cycles include：9 sub-frame of uplink and 1 special subframe, 1 spy Different subframe is located at the subframe 0 of the radio frames.
Or
Base station instructs according to the transmitting uplink data, using the configuration 10 in table 1, is passed using the radio frames in 10ms cycles Defeated upstream data, wherein, the radio frames in the 10ms cycles include：8 sub-frame of uplink, 1 special subframe and 1 descending son Frame, 1 special subframe are located at the subframe 1 of the radio frames, and 1 descending sub frame is located at the subframe 0 of the radio frames.
Step 208, base station configures according to the ascending-descending subframes of the radio frames used, it is determined that normal mixed automatic retransfer Number of passes is entered in request.
That is, base station is configured according to the ascending-descending subframes of use, and the process of normal hybrid automatic repeat-request is determined from table 2 Data.
Step 210, number of passes is entered in base station according to the normal hybrid automatic repeat-request of determination, in the upstream data The transmission free time when, send the normal hybrid automatic repeat-request.
It is preferred that reference picture 3, is a kind of uplink association index (up-links in embodiment illustrated in fig. 2 Association's index) collocation method flow chart.In the present embodiment, before the step 204 is performed, the data transmission method It can also include：
Step 302, base station configures according to the ascending-descending subframes of the setting, configures the up-link association of the radio frames Index.
In TDD, UE detect PDSCH transmission or represent descending SPS (Semi-PersistentScheduling, half Continuous dispatching) discharge the ACK/NACK responses that PDCCH subframe n is transmitted in UL.Wherein, useValue represent UE in subframe The descending distribution index (DAI) with DCI format 0 is detected in n-k ＇.Wherein, k ＇ are that the up-link association of radio frames refers to Number, represent there is PDSCH transmission and the subframe sum to the corresponding UE indicating downlink SPS PDCCH discharged in radio frames.
Being configured according to the DL-UL of table 1, the up-link association index concrete configuration of the radio frames can be as shown in table 3, Table 3 is up-link association index allocation list：
Table 3
In above-mentioned table 3 UL-DL configuration 1 to configuration 6 corresponding to up-link association index k ＇ be to be matched somebody with somebody according to UL-DL in table 1 Put what frame structure configuration corresponding to 1 to configuration 6 determined, for details, reference can be made to existing protocol.
It is preferred that in the present embodiment, UL-DL configures up-link association index k ＇ roots corresponding to 8a/8c in above-mentioned table 3 Determined according to frame structure configuration corresponding to UL-DL configurations 8 in table 1；Up-link association corresponding to UL-DL configurations 9 refers in above-mentioned table 3 Number k ＇ frame structure configurations according to corresponding to UL-DL configurations 9 in table 1 determine；Uplink corresponding to UL-DL configurations 10 in above-mentioned table 3 Road association index k ＇ frame structure configurations according to corresponding to UL-DL configurations 10 in table 1 determine.That is, in table 3：
Configuration 8, is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the subframe of the radio frames When 0, collocating uplink link association index is 4 in descending sub frame 4.
Configuration 9, is 5ms when the cycle of the radio frames, and, 2 special subframes are respectively positioned at the radio frames When subframe 0 and subframe 5, collocating uplink link association index is 4 in descending sub frame 4 and descending sub frame 9.
Configuration 10, is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the son of the radio frames Frame 1, when 1 descending sub frame is located at the subframe 0 of the radio frames, the collocating uplink chain in descending sub frame 4 and descending sub frame 5 Road association index is 4.
From upper table 3, for ascending-descending subframes configuration 8,9 and 10, handed in A/N feedback DL data channel descending sub frames n By UE in sub-frame of uplink n+4.Due to eliminating descending sub frame configuration, it is necessary to reconfigure the A/ of the data channel of former descending sub frame N feeds back.Such as, the descending sub frame positioned at subframe 3 is eliminated, then the A/N feedbacks in the data channel of former descending sub frame 3 then configure To be fed back in the data channel of the sub-frame of uplink on subframe 7 (that is, n+4=3+4=7) position.
Explanation is needed exist for, for the configuration 8a in table 3, configuration 8c, configuration 9 and configuration 10, due to sub-frame of uplink Positioned at subframe n+4, subframe n can be sub-frame of uplink or special subframe, therefore, A/N feedbacks are all distributed in corresponding subframe n+4. In the present embodiment, following three kinds of situations follow by A/N feedback allocations corresponding subframe n+4 equipping rules：
In the radio frames in 10ms cycles, 9 sub-frame of uplink and 1 special subframe are configured, and 1 special subframe can During being arranged on any one subframe of the radio frames, such as when 1 special subframe is arranged on subframe n, then in subframe n Collocating uplink link association index is 4 in+4.
Wherein, n is the integer less than or equal to 9 more than or equal to 0.When n+4 is more than 9, then cycle calculations.Such as：Work as n=5 When, it is subframe 9 to determine subframe n+4；As n=6, it is determined that subframe n+4 is subframe 0；As n=7, it is determined that subframe n+4 is Subframe 1, the like.
In the radio frames in 5ms cycles, configure 8 sub-frame of uplink and 2 special subframes, and 2 special subframes it Between be spaced 5 sub-frame of uplink when, as ought as described in 1 special subframe be arranged on subframe n, another special subframe is arranged on subframe n+ When 5, then collocating uplink link association index is 4 in subframe n+4 and subframe n+5+4.
In the radio frames in 10ms cycles, 8 sub-frame of uplink of configuration, 1 special subframe and 1 descending sub frame, and described 1 Individual descending sub frame is arranged at any one subframe of the radio frames, and special subframe is arranged at the latter height of the descending sub frame During frame, 1 special subframe as described in working as is arranged on subframe n, when 1 descending sub frame is arranged on subframe n-1, then in subframe n+ Collocating uplink link association index is 4 in 4 and subframe n-1+4.
In the present embodiment, after the step 206, the data transmission method can also include：
Step 308, base station configures according to the ascending-descending subframes of the radio frames used, determines that corresponding feedback is true Recognize/descending sub frame of non-acknowledgement signal and corresponding up-link association index.
Step 310, base station according to determination up-link association index, it is determined that the descending sub frame on feed back Confirmed/non-confirmed number.
Additionally it is preferred that in the present embodiment, before the step 204, the data transmission method can also include Following steps：
S11, base station the uplink pilot time slot in the special subframe is replaced be configured to 7 descending pilot frequency time slot.
DwPTS length can be configured to 3~12 OFDM symbols, wherein, master sync signal is located at the 3rd symbol, accordingly , PDCCH maximum length is two symbols in this special subframe.
UpPTS length can be configured to 1~2 OFDM symbol, available for carrying RACH and/or Sounding reference signals.
GP is used for up-downgoing translation and protection, is mainly made up of " propagation delay time " and " equipment transmitting-receiving conversion time delay ".
Configured in standard ascending-descending subframes, subframe 0 is arranged to descending sub frame.However, in the present embodiment, e.g., configuration 8 With configuration 9, special subframe be located at subframe 0, all and without using special subframe configuration subframe 0 and subframe 5, therefore, have more than 10OFDM symbols, to allow the transmission in the Physical Broadcast Channel (PBCH) of identical position.
In this application, e.g., configuration 8 and configuration 9, special subframe be located at subframe 0 or 5, therefore, it is necessary to reconfigure PSS with SSS position.
If the UpPTS in special subframe can be deleted without using PRACH format 4s, be replaced with special subframe and match somebody with somebody by system It is set to 7 descending pilot frequency time slot.That is, a new special subframe configuration 10 can be defined, UpPTS is deleted in configuration 10 Remove, 2 OFDM symbols more extra than configuration more than 7 DwPTS.The specific time slot configuration of special subframe configuration 10 is as shown in table 4, table 4 For the time slot configuration table of special subframe：
Table 4
In table 4, special subframe with set to 0 to configuration 9 corresponding to time slot configuration suitable for table 1 uplink-downlink configuration 0 to Frame structure corresponding to 6 is put to configure.Provided according to the V9.1.0 of 3GPP TS 36.211, Ts=10ms.
It is preferred that in the present embodiment, time slot configuration corresponding to special subframe configuration 10 is suitable for table 1 in above-mentioned table 4 UL-DL configurations 8 to frame structure corresponding to configuration 10 configures.
S12, base station configure according to the ascending-descending subframes of the setting, determine the uplink pilot time slot of the special subframe UpPTS, protection interval GP and descending pilot frequency time slot DwPTS symbol.
S13, base station according to the uplink pilot time slot UpPTS of the special subframe of determination, protection interval GP and descending are led Frequency time slot DwPTS symbol, configure PSS and SSS and Physical Broadcast Channel PBCH position.
For PSS/SSS/PBCH position, because only having 1 special subframe to configure 8 in 5ms or 10ms UL/DL sometimes It should be moved with 9, PSS/SSS/PBCH.PSS/SSS/ Physical Broadcast Channel (PBCH) position is repositioned by OFDM symbol, After PSS/SSS/PBCH is relocated, totally 6 OFDM symbols after 3 controlling symbols can be at most used.
It is preferred that in the present embodiment, before the step 204, the data transmission method can also include following Step：
S21, base station configure the up Yellow Book of the radio frames according to the channel control information.
Configured according to the ascending-descending subframes of table 1 and combine the HARQ processes configuration of table 2, the up Yellow Book of radio frames Concrete configuration can be as shown in table 5, and table 5 is up Yellow Book allocation list：
Table 5
UL-DL configures 0-6 and configures 6 corresponding, UL-DL in above-mentioned table 5 with the UL-DL configurations 0- in table 2 respectively in above-mentioned table 5 It is corresponding with the UL-DL configurations 8a in table 2, configuration 9 and configuration 10 respectively to configure 8a, configuration 9 and configuration 10.
From upper table 5：
It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and nothing The normal hybrid automatic repeat-request of line frame enter number of passes for 16 when, configure the bitmap in the up Yellow Book of the radio frames Option is 9 bit maps, and the selector and bitmap option in up Yellow Book are 2 bit selectors and 3 bit maps, up Yellow Book in Yellow Book is 4 bit index.
It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and wirelessly The normal hybrid automatic repeat-request of frame enter number of passes for 10 when, configure in the up Yellow Book of the radio frames bitmap choosing It is 8 bit maps, the selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, up rope It is 3 bit index to draw the Yellow Book in option.
It is 10ms when the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 Row subframe, and the normal hybrid automatic repeat-request of radio frames enter number of passes for 12 when, configure the upper line index of the radio frames Bitmap option in option is 8 bit maps, and the selector and bitmap option in up Yellow Book are 1 bit selector and 43 Bit map, the Yellow Book in up Yellow Book is 3 bit index.
It is preferred that in the present embodiment, before the step 204, the data transmission method can also include following Step：
S31, base station configure according to the ascending-descending subframes of the setting, and the physics for configuring each subframe in the radio frames mixes Close the group sequence number parameter of automatic re-transmission indicating channel resource group.
Configured according to the ascending-descending subframes of table 1 and combine the HARQ processes configuration of table 2, the physics of each subframe in radio frames The concrete configuration of the group sequence number parameter of mixed automatic re-transmission indicating channel resource group can be as shown in table 6, and table 6 is group sequence number parameter Allocation list, that is, factor m when tdd frame structure is Type2iAllocation list：
Table 6
In table 6：It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special son Frame, and the normal hybrid automatic repeat-request of radio frames enter number of passes for 16 when, described group of sequence number parameter is configured in subframe 0 is 2。
It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and nothing The normal hybrid automatic repeat-request of line frame enter number of passes for 15 when, described group of sequence number parameter is configured in subframe 0 as 9.
It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and wirelessly The normal hybrid automatic repeat-request of frame enter number of passes for 10 when, described group of sequence number parameter is respectively configured in subframe 0 and subframe 5 For 2.
It is 10ms when the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 Row subframe, and the normal hybrid automatic repeat-request of radio frames enter number of passes for 12 when, be respectively configured in subframe 0 and subframe 1 Described group of sequence number parameter is 2.
Explanation is needed exist for, the physical mixed that the position of special subframe does not influence the subframe n in radio frames weighs automatically Pass the configuration of the group sequence number parameter of indicating channel resource group.
From upper table 6, in order to be unlimited to dispatch, factor miMaximum could be arranged to 9 (configuration 8c), and be needed in UE More PHICH decoder (decoder) is based on the configuration in above-mentioned table 6, it is preferred that in the present embodiment, in the step Before rapid 204, the data transmission method can also comprise the following steps：
S41, base station configure according to the ascending-descending subframes of the setting, and the physics for configuring each subframe in the radio frames mixes Close automatic re-transmission indicating channel number of resources.
Configured according to the ascending-descending subframes of table 1 and combine the HARQ processes configuration of table 2, the physics of each subframe in radio frames The concrete configuration of mixed automatic re-transmission indicating channel number of resources can be as shown in table 7, and table 7 is physical mixed autonomous retransmission instruction letter Road resource distribution table, that is, TDD KPHICHParameter list：
Table 7
As seen from Table 7：
It is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the subframe 0 of the radio frames, wirelessly The normal hybrid automatic repeat-request of frame enter number of passes for 16 when, from subframe 0 to subframe 9, physical mixed in each subframe from Dynamic retransmission indicating channel resource number is followed successively by：0、9、8、7、6、5、14、13、12、11.
It is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the subframe 0 of the radio frames, wirelessly The normal hybrid automatic repeat-request of frame enter number of passes for 15 when, from subframe 0 to subframe 9, physical mixed in each subframe from Dynamic retransmission indicating channel resource number is followed successively by：0、9、8、7、6、5、4、13、12、11.
It is 5ms when the cycle of the radio frames, and, 2 special subframes are located at the He of subframe 0 of the radio frames respectively Subframe 5, the normal hybrid automatic repeat-request of radio frames enter number of passes for 10 when, from subframe 0 to subframe 9, in each subframe Physical mixed automatic re-transmission indicating channel number of resources is followed successively by：0、4、8、7、6、0、4、8、7、6.
It is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the subframe 1 of the radio frames, described 1 descending sub frame is located at the subframe 0 of the radio frames, the normal hybrid automatic repeat-request of radio frames enter number of passes for 12 when, From subframe 0 to subframe 9, the physical mixed automatic re-transmission indicating channel number of resources in each subframe is followed successively by：0、0、8、7、7、6、 5、4、12、11。
Need exist for explanation, KPHICHParameter is calculated from the time delay of up-link transmission to corresponding up son The A/N of frame or special subframe feeds back.This will be in view of the client process time of the 4ms before A/N feedbacks.In addition it is also necessary to Consider the PHICH quantity of the tied A/N feedbacks of sub-frame of uplink.For example, in configuration 8A, all A/N feedback is all in subframe 0 Feedback, the PHICH resource quantity of feedback is 2.Therefore, sub-frame of uplink is divided into two parts.Consider the processing time of UE clients, The stand-by period that subframe 6 in sub-frame of uplink is fed back to subframe 9A/N is more than 10ms.For configuring 8C, because PHICH resource number For 9, the feedback time of subframe 6 and earliest subframe n+4 feedback times are the same.For configuration 10, subframe 4 to subframe 7 is Fed back in subframe 1, and the stand-by period of subframe 8 or subframe 9 is then more than 10ms.Physical mixed autonomous retransmission in each subframe refers to Show being configured by following principle for channel resource number：
In the radio frames in 10ms cycles, 9 sub-frame of uplink and 1 special subframe are configured, and 1 special subframe can During being arranged on any one subframe of the radio frames, such as when 1 special subframe is arranged on subframe n, then configuration is sub Physical mixed automatic re-transmission indicating channel number of resources in frame n to subframe n+9 is followed successively by：0th, 9,8,7,6,5,14,13,12,11, Or it is followed successively by：0、9、8、7、6、5、4、13、12、11.
Wherein, n is the integer less than or equal to 9 more than or equal to 0.When n+9 is more than 9, then cycle calculations.Such as：Work as n=0 When, it is subframe 9 to determine subframe n+9, then configure subframe 0 to subframe 9 in physical mixed automatic re-transmission indicating channel number of resources according to It is secondary to be：0th, 9,8,7,6,5,14,13,12,11, or, be followed successively by：0、9、8、7、6、5、4、13、12、11；As n=1, it is determined that Subframe n+9 is subframe 0, then configure the physical mixed automatic re-transmission indicating channel number of resources in subframe 1 to subframe 9 be followed successively by 0,9, 8th, 7,6,5,14,13,12, and the physical mixed automatic re-transmission indicating channel number of resources in subframe 0 is configured as 11；As n=2, Then determine subframe n+9 be subframe 1, then configuration subframe 1 to subframe 9 in physical mixed automatic re-transmission indicating channel number of resources successively For 0,9,8,7,6,5,14,13, and configure the physical mixed automatic re-transmission indicating channel number of resources in subframe 0 and subframe 1 successively For 12,11.By this rule the like.
In the radio frames in 5ms cycles, 8 sub-frame of uplink and 2 special subframes, and between 2 special subframes between When 5 sub-frame of uplink, 1 special subframe as described in working as is arranged on subframe n, when another special subframe is arranged on subframe n+5, The physical mixed automatic re-transmission indicating channel number of resources then configured in subframe n to subframe n+9 is followed successively by：0、4、8、7、6、0、4、8、 7、6。
In the radio frames in 10ms cycles, 8 sub-frame of uplink of configuration, 1 special subframe and 1 descending sub frame, and described 1 Individual descending sub frame is arranged at any one subframe of the radio frames, and special subframe is arranged at the latter height of the descending sub frame During frame, 1 special subframe as described in working as is arranged on subframe n, when 1 descending sub frame is arranged on subframe n-1, then configures subframe Physical mixed automatic re-transmission indicating channel number of resources in n-1 to subframe n-1+9 is followed successively by：0、0、8、7、7、6、5、4、12、11.
S42, base station are according to the physical mixed automatic re-transmission indicating channel number of resources of each subframe in radio frames, described in configuration The feedback acknowledgment of the physical mixed automatic re-transmission indicating channel of subframe/non-acknowledgement signal binding in radio frames.
It is preferred that in order to save PHICH resource, PHICH confirmation/non-acknowledgement signal (A/N) binding configuration is carried out, specifically Configuration can be with as shown in table 8 below, and table 8 is that feedback acknowledgment/non-acknowledgement signal bundlees allocation list, that is, TDD IPHICHConfiguration：
Table 8
The corresponding A/N of usual PHICH feedback, due to PHICH resource or the limit of UE PHICH decoding capabilities System, it is an A/N that two or more A/N can be bundled into (merging) in the present embodiment.That is, if 3 A/N are bundled in Together, if 3 A/N are ACK, ACK, ACK respectively, it is determined that PHICH corresponds to affirmative acknowledgement ACK；If 3 A/N are respectively ACK, ACK, Nack, it is determined that PHICH corresponds to negative response Nack.For example, in the present embodiment, when sub-frame of uplink is configured to When configuring 8a, subframe 1-5 A/N feedback binding (mergings) can be entered to a PHICH feedback, using call number for 0 it is up Link subframe；A PHICH feedback is entered into subframe 6-9 A/N feedback bindings (merging), uses the up-link that call number is 1 Subframe.
In summary, in the present embodiment, base station passes after transmitting uplink data is received according to the upstream data Defeated instruction, the radio frame transmission upstream data of the frame structure configured using the uplink downlink according to setting.Due to being set described In fixed ascending-descending subframes configuration, the proportioning of the sub-frame of uplink of a radio frames in whole subframes is more than or equal to 8：10.Cause This, during transmitting uplink data, on the one hand, can there is substantial amounts of up-link to be used for transmitting uplink data, improve Row data transmission efficiency；On the other hand, during transmitting uplink data, only pole individual link (e.g. a, downlink) can Idle condition can be in, thus improve link circuit resource utilization rate, accelerate data transmission bauds.
It should be noted that for foregoing embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know, Embodiment described in this description belongs to preferred embodiment, and involved action is not necessarily essential to the invention.
Based on the same inventive concept of above-mentioned data transmission method, reference picture 4, show one in third embodiment of the invention The structured flowchart of kind data transmission device.In the present embodiment, the data transmission device includes：
Receiving module 402, for receiving transmitting uplink data instruction.
Data transmission module 404, for being instructed according to the transmitting uplink data, use the ascending-descending subframes according to setting The radio frame transmission upstream data of the frame structure of configuration.Wherein, in the ascending-descending subframes configuration of the setting, radio frames Proportioning of the sub-frame of uplink in whole subframes is more than or equal to 8：10.
In summary, in the present embodiment, receiving module is after transmitting uplink data instruction is received, by data transfer Module instructs according to the transmitting uplink data, the radio frame transmission of the frame structure configured using the uplink downlink according to setting Upstream data.Because in the uplink downlink configuration of the setting, the sub-frame of uplink of a radio frames is in whole subframes Proportioning is more than or equal to 8：10.Therefore, during transmitting uplink data, on the one hand, can there is substantial amounts of up-link to be used for Transmitting uplink data, improve transmitting uplink data efficiency；On the other hand, during transmitting uplink data, only extremely indivedual chains Road (e.g. a, downlink) is likely to be at idle condition, thus improves link circuit resource utilization rate, accelerates data transfer speed Degree.
Reference picture 5, show a kind of structured flowchart of data transmission device in fourth embodiment of the invention.The present embodiment Data transmission device is the further optimization device on the basis of data transmission device shown in Fig. 4, in the present embodiment, setting Ascending-descending subframes configuration frame structure can be：
In the radio frames in 5ms cycles, 8 sub-frame of uplink and 2 special subframes are configured, wherein, 2 special subframes Between be spaced 5 sub-frame of uplink.Such as, 2 special subframes are separately positioned on subframe 0 and subframe 5 or subframe 1 and subframe 6 or subframe 2 and subframe 7 or subframe 3 and subframe 8 or subframe 4 and subframe 9, the present embodiment is not restricted to this.In this implementation In example, a kind of specific configuration can be as follows：2 special subframes are located at the subframe 0 and subframe 5 of the radio frames respectively.
In the radio frames in 10ms cycles, 9 sub-frame of uplink and 1 special subframe are configured, wherein, 1 special son Frame can be arranged on any one subframe of the radio frames.In the present embodiment, a kind of specific configuration can be as follows：It is described 1 special subframe is located at the subframe 0 of the radio frames.
In the radio frames in 10ms cycles, 8 sub-frame of uplink of configuration, 1 special subframe and 1 descending sub frame.Wherein, institute Any one subframe that 1 descending sub frame is arranged at the radio frames is stated, special subframe is arranged at the latter of the descending sub frame Individual subframe.Specific configuration a kind of in the present embodiment can be as follows：1 special subframe is located at the subframe of the radio frames 1,1 descending sub frame is located at the subframe 0 of the radio frames.
On this basis, the data transmission device of the present embodiment includes：
Enter number of passes configuration module 502, for being come and gone according to the configuration of the ascending-descending subframes of the setting and transmission control protocol Transmission time, the hybrid automatic repeat-request for configuring the radio frames enter number of passes.
In the present embodiment, it is described enter number of passes configuration module 502,
It is 10ms in the cycle of the radio frames, when the radio frames include 9 sub-frame of uplink and 1 special subframe, matches somebody with somebody That puts the normal hybrid automatic repeat-request of the radio frames enters number of passes for 16；Or configure the normal mixing of the radio frames HARQ enters number of passes for 15；
It is 5ms in the cycle of the radio frames, when the radio frames include 8 sub-frame of uplink and 2 special subframes, configuration The normal hybrid automatic repeat-request of the radio frames enters number of passes for 10；
It is 10ms in the cycle of the radio frames, the radio frames are including under 8 sub-frame of uplink, 1 special subframe and 1 During row subframe, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 12；
Receiving module 504, for receiving transmitting uplink data instruction.
Data transmission module 506, for being instructed according to the transmitting uplink data, use the ascending-descending subframes according to setting The radio frame transmission upstream data of the frame structure of configuration.Wherein, in the ascending-descending subframes configuration of the setting, radio frames Proportioning of the sub-frame of uplink in whole subframes is more than or equal to 8：10.
In the present embodiment, the data transmission module 506, can be specifically used for being referred to according to the transmitting uplink data Order, using the radio frame transmission upstream data in 5ms cycles, wherein, the radio frames in the 5ms cycles include：8 sub-frame of uplink With 2 special subframes, 2 special subframes can with but be not limited only to respectively be located at the radio frames subframe 0 and subframe 5. Or
The data transmission module 506, it can be specifically used for being instructed according to the transmitting uplink data, use the 10ms cycles Radio frame transmission upstream data, wherein, the radio frames in the 10ms cycles include：9 sub-frame of uplink and 1 special son Frame；Wherein, 1 special subframe can with but be not limited only to the subframe 0 positioned at the radio frames.Or
The data transmission module 506, it can be specifically used for being instructed according to the transmitting uplink data, use the 10ms cycles Radio frame transmission upstream data, wherein, the radio frames in the 10ms cycles include：8 sub-frame of uplink, 1 special subframe With 1 descending sub frame；Wherein, 1 special subframe can with but be not limited only to the subframe 1 positioned at the radio frames, described 1 Descending sub frame is located at the subframe 0 of the radio frames.
Enter number of passes determining module 508, for being configured according to the ascending-descending subframes of the radio frames used, it is determined that normal mixed That closes HARQ enters number of passes.
HARQ module 510, enter number of passes for the normal hybrid automatic repeat-request according to determination, During the transmission free time of the upstream data, the normal hybrid automatic repeat-request is sent.
It is preferred that reference picture 6, is that a kind of up-link association in the data transmission device in embodiment illustrated in fig. 5 refers to Number configuration device structured flowchart.
In the present embodiment, the data transmission device also includes：
Up-link association index configuration module 602, it is instructed for receiving transmitting uplink data in receiving module 504 Before, configured according to the ascending-descending subframes of the setting, configure the up-link association index of the radio frames.
In the present embodiment, the up-link association index configuration module 602 is 10ms in the cycle of the radio frames, And 1 special subframe, when being located at the subframe 0 of the radio frames, collocating uplink link association index is in descending sub frame 4 4.The up-link association index configuration module 602 is 5ms in the cycle of the radio frames, and, 2 special subframes point Not Wei Yu the radio frames subframe 0 and subframe 5 when, the collocating uplink link association index in descending sub frame 4 and descending sub frame 9 For 4.The up-link association index configuration module 602 is 10ms in the cycle of the radio frames, and, 1 special son Framing bit is in the subframe 1 of the radio frames, when 1 descending sub frame is located at the subframe 0 of the radio frames, in the He of descending sub frame 4 Collocating uplink link association index is 4 in descending sub frame 5.
It is preferred that the data transmission device also includes：
Up-link association index determining module 608, for using the up-downgoing according to setting in data transmission module 506 After the radio frame transmission upstream data of the frame structure of sub-frame configuration, matched somebody with somebody according to the ascending-descending subframes of the radio frames used Put, determine the descending sub frame of corresponding feedback acknowledgment/non-acknowledgement signal and corresponding up-link association index.
Feedback module 610, for the up-link association index according to determination, it is determined that the descending sub frame on Feedback acknowledgment/non-acknowledgement signal.
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Pilot time slot configuration module, for receiving module 504 receive transmitting uplink data instruction before, will be described special Uplink pilot time slot in subframe replace be configured to 7 descending pilot frequency time slot.
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Symbol determining module, for receiving module 504 receive transmitting uplink data instruction before, according to the setting Ascending-descending subframes configure, and determine the uplink pilot time slot UpPTS, protection interval GP and descending pilot frequency time slot of the special subframe DwPTS symbol.
Position configuration module, uplink pilot time slot UpPTS, protection interval GP for the special subframe according to determination With descending pilot frequency time slot DwPTS symbol, configuration PSS and SSS and Physical Broadcast Channel PBCH position.
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Up Yellow Book configuration module, for receiving module 504 receive transmitting uplink data instruction before, according to institute Channel control information is stated, configures the up Yellow Book of the radio frames.
Wherein, the up Yellow Book configuration module is 10ms in the cycle of the radio frames, and, the radio frames bag When including 9 sub-frame of uplink and 1 special subframe, it is 9 bits to configure the bitmap option in the up Yellow Book of the radio frames Bitmap, selector and bitmap option in up Yellow Book are 2 bit selectors and 3 bit maps, in up Yellow Book Yellow Book be 4 bit index.The up Yellow Book configuration module is 5ms in the cycle of the radio frames, and, it is described When radio frames include 8 sub-frame of uplink and 2 special subframes, the bitmap option in the up Yellow Book of the radio frames is configured For 8 bit maps, selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, upper line index Yellow Book in option is 3 bit index.The up Yellow Book configuration module is 10ms in the cycle of the radio frames, And the radio frames include 8 sub-frame of uplink, 1 special subframe and during 1 descending sub frame, configure the up of the radio frames Bitmap option in Yellow Book is 8 bit maps, and the selector and bitmap option in up Yellow Book are 1 bit selector With 4 bit maps, the Yellow Book in up Yellow Book is 3 bit index.
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Group sequence number parameter configuration module, for receiving module 504 receive transmitting uplink data instruction before, according to described The ascending-descending subframes configuration of setting, configure the physical mixed automatic re-transmission indicating channel resource group of each subframe in the radio frames Group sequence number parameter.
Wherein, described group of sequence number parameter configuration module is 10ms in the cycle of the radio frames, and, the radio frames include When 9 sub-frame of uplink and 1 special subframe, described group of sequence number parameter is configured in subframe 0 as 2；Or institute is configured in subframe 0 Group sequence number parameter is stated as 9.Described group of sequence number parameter configuration module is 5ms in the cycle of the radio frames, and, the radio frames bag When including 8 sub-frame of uplink and 2 special subframes, described group of sequence number parameter is respectively configured in subframe 0 and subframe 5 as 2.Described group Sequence number parameter configuration module is 10ms in the cycle of the radio frames, and, the radio frames include 8 sub-frame of uplink, 1 it is special When subframe and 1 descending sub frame, described group of sequence number parameter is respectively configured in subframe 0 and subframe 1 as 2.Need exist for explanation It is that the position of special subframe does not influence the group sequence of the physical mixed automatic re-transmission indicating channel resource group of the subframe n in radio frames The configuration of number parameter.
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Number of resources configuration module, for receiving module 504 receive transmitting uplink data instruction before, according to the setting Ascending-descending subframes configuration, configure the physical mixed automatic re-transmission indicating channel number of resources of each subframe in the radio frames.Its In, it is 10ms when the cycle of the radio frames, and, when 1 special subframe is located at the subframe 0 of the radio frames, from subframe 0 To subframe 9, the physical mixed automatic re-transmission indicating channel number of resources in each subframe is followed successively by：0、9、8、7、6、5、14、13、 12、11；Or it is followed successively by：0、9、8、7、6、5、4、13、12、11；It is 5ms when the cycle of the radio frames, and, 2 spies When different subframe is located at the subframe 0 and subframe 5 of the radio frames respectively, from subframe 0 to subframe 9, the physical mixed in each subframe Automatic re-transmission indicating channel number of resources is followed successively by：0、4、8、7、6、0、4、8、7、6；It is 10ms when the cycle of the radio frames, and, 1 special subframe is located at the subframe 1 of the radio frames, when 1 descending sub frame is located at the subframe 0 of the radio frames, From subframe 0 to subframe 9, the physical mixed automatic re-transmission indicating channel number of resources in each subframe is followed successively by：0、0、8、7、7、6、 5、4、12、11。
It is preferred that in the present embodiment, the data transmission device can also include with lower module：
Signal bonding module, the physical mixed for each subframe in configuring the radio frames in number of resources configuration module is certainly After dynamic retransmission indicating channel resource number, according to the physical mixed automatic re-transmission indicating channel resource of each subframe in radio frames Number, configure feedback acknowledgment/non-acknowledgement signal binding of the physical mixed automatic re-transmission indicating channel of subframe in the radio frames.
In summary, in the present embodiment, receiving module is after transmitting uplink data instruction is received, by data transfer Module is instructed according to the transmitting uplink data, and the radio frames of the frame structure configured using the uplink downlink according to setting are carried out Transmitting uplink data.Because in the uplink downlink configuration of the setting, the sub-frame of uplink of a radio frames is in whole subframes In proportioning be more than or equal to 8：10.Therefore, during transmitting uplink data, on the one hand, can have substantial amounts of up-link For transmitting uplink data, transmitting uplink data efficiency is improved；On the other hand, it is only extremely individual during transmitting uplink data Other link (e.g. a, downlink) is likely to be at idle condition, thus improves link circuit resource utilization rate, accelerates data biography Defeated speed.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with The difference of other embodiment, between each embodiment identical similar part mutually referring to.For system embodiment For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation Defend oneself bright.
A kind of data transmission method provided by the present invention and device are described in detail above, it is used herein Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this The method and its core concept of invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, specific There will be changes in embodiment and application, in summary, this specification content should not be construed as to the present invention's Limitation.

Claims (6)

  1. A kind of 1. data transmission method, it is characterised in that including：
    Weighed automatically according to the configuration of the ascending-descending subframes of setting and transmission control protocol round-trip transmission time, the mixing for configuring radio frames Pass request enters number of passes；Wherein, it is 10ms when the cycle of the radio frames of transmission upstream data, the radio frames are up including 9 When subframe and 1 special subframe, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 16；Or match somebody with somebody That puts the normal hybrid automatic repeat-request of the radio frames enters number of passes for 15；It is when the cycle of the radio frames of transmission upstream data 5ms, when the radio frames include 8 sub-frame of uplink and 2 special subframes, configure the normal mixed automatic retransfer of the radio frames Request enters number of passes for 10；It is 10ms when the cycle of the radio frames of transmission upstream data, the radio frames include 8 up sons When frame, 1 special subframe and 1 descending sub frame, the number of passes that enters for configuring the normal hybrid automatic repeat-request of the radio frames is 12；
    Receive transmitting uplink data instruction；
    Instructed according to the transmitting uplink data, the radio frame transmission of the frame structure configured using the ascending-descending subframes according to setting Upstream data；
    Wherein, in the ascending-descending subframes configuration of the setting, the proportioning of the sub-frame of uplink of a radio frames in whole subframes is big In or equal to 8：10；
    Configured according to the ascending-descending subframes of the radio frames used, it is determined that normal hybrid automatic repeat-request enters number of passes；
    Enter number of passes according to the normal hybrid automatic repeat-request of determination, in the transmission free time of the upstream data, hair Send the normal hybrid automatic repeat-request.
  2. 2. according to the method for claim 1, it is characterised in that instructed according to the transmitting uplink data, using according to setting The step of radio frame transmission upstream data of the frame structure of fixed ascending-descending subframes configuration, includes：
    Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 5ms cycles, wherein, the 5ms cycles Radio frames include：8 sub-frame of uplink and 2 special subframes, wherein, 5 up sons are spaced between 2 special subframes Frame；Or,
    Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 10ms cycles, wherein, described 10ms weeks The radio frames of phase include：9 sub-frame of uplink and 1 special subframe；Wherein, 1 special subframe is arranged at described wireless Any one subframe of frame；Or,
    Instructed according to the transmitting uplink data, using the radio frame transmission upstream data in 10ms cycles, wherein, described 10ms weeks The radio frames of phase include：8 sub-frame of uplink, 1 special subframe and 1 descending sub frame；Wherein, 1 descending sub frame is set Any one subframe of the radio frames is placed in, 1 special subframe is arranged at the latter subframe of the descending sub frame.
  3. 3. according to the method for claim 2, it is characterised in that before the reception transmitting uplink data instruction step, Methods described also includes：
    Configured according to the ascending-descending subframes of the setting, configure the up-link association index of the radio frames；
    Wherein,
    It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and described 1 When special subframe is located at the subframe 0 of the radio frames, collocating uplink link association index is 4 in descending sub frame 4；
    It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and described 2 When special subframe is located at the subframe 0 and subframe 5 of the radio frames respectively, the collocating uplink chain in descending sub frame 4 and descending sub frame 9 Road association index is 4；
    It is 10ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink, 1 special subframe and 1 descending son Frame, and 1 special subframe is located at the subframe 1 of the radio frames, 1 descending sub frame is located at the subframe of the radio frames When 0, collocating uplink link association index is 4 in descending sub frame 4 and descending sub frame 5；
    Then, the use according to setting ascending-descending subframes configure frame structure radio frame transmission upstream data the step of it Afterwards, in addition to：
    Configured, determined under corresponding feedback acknowledgment/non-acknowledgement signal according to the ascending-descending subframes of the radio frames used Row subframe and corresponding up-link association index；
    According to the up-link association index of determination, it is determined that the descending sub frame on feedback acknowledgment/non-acknowledgement signal.
  4. 4. according to the method for claim 2, it is characterised in that before the reception transmitting uplink data instruction step, Methods described also includes：
    Uplink pilot time slot in special subframe is replaced be configured to 7 descending pilot frequency time slot；
    Or
    Configured according to the ascending-descending subframes of the setting, determine uplink pilot time slot UpPTS, the protection interval of the special subframe GP and descending pilot frequency time slot DwPTS symbol；According between the uplink pilot time slot UpPTS of the special subframe of determination, protection Every GP and descending pilot frequency time slot DwPTS symbol, configuration PSS and SSS and Physical Broadcast Channel PBCH position；
    Or
    According to channel control information, the up Yellow Book of the radio frames is configured；Wherein, it is when the cycle of the radio frames 10ms, when the radio frames include 9 sub-frame of uplink and 1 special subframe, in the up Yellow Book for configuring the radio frames Bitmap option be 9 bit maps, the selector and bitmap option in up Yellow Book are 2 bit selectors and 3 bits Scheme, the Yellow Book in up Yellow Book is 4 bit index；It is 5ms when the cycle of the radio frames, the radio frames include When 8 sub-frame of uplink and 2 special subframes, it is 8 bits to configure the bitmap option in the up Yellow Book of the radio frames Figure, selector and bitmap option in up Yellow Book are 1 bit selector and 4 bit maps, in up Yellow Book Yellow Book is 3 bit index；It is 10ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink, 1 spy When different subframe and 1 descending sub frame, it is 8 bit maps to configure the bitmap option in the up Yellow Book of the radio frames, on Selector and bitmap option in line index option are 1 bit selector and 4 bit maps, the index choosing in up Yellow Book Item is 3 bit index；
    Or
    Configured according to the ascending-descending subframes of the setting, the physical mixed autonomous retransmission for configuring each subframe in the radio frames refers to Show the group sequence number parameter of channel resource group；Wherein, it is 10ms when the cycle of the radio frames, the radio frames are up including 9 When subframe and 1 special subframe, described group of sequence number parameter is configured in subframe 0 as 2；Or described group of sequence is configured in subframe 0 Number parameter is 9；It is 5ms when the cycle of the radio frames, when the radio frames include 8 sub-frame of uplink and 2 special subframes, Described group of sequence number parameter is respectively configured in subframe 0 and subframe 5 as 2；When the cycle of the radio frames is 10ms, the radio frames bag When including 8 sub-frame of uplink, 1 special subframe and 1 descending sub frame, described group of sequence number ginseng is respectively configured in subframe 0 and subframe 1 Number is 2.
  5. 5. according to the method for claim 2, it is characterised in that before the reception transmitting uplink data instruction step, Methods described also includes：
    Configured according to the ascending-descending subframes of the setting, the physical mixed autonomous retransmission for configuring each subframe in the radio frames refers to Show channel resource number；
    Wherein,
    It is 10ms when the cycle of the radio frames, the radio frames include 9 sub-frame of uplink and 1 special subframe, and described 1 When special subframe is located at the subframe 0 of the radio frames, from subframe 0 to subframe 9, the physical mixed autonomous retransmission in each subframe refers to Show that channel resource number is followed successively by：0、9、8、7、6、5、14、13、12、11；Or it is followed successively by：0、9、8、7、6、5、4、13、12、 11；
    It is 5ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink and 2 special subframes, and described 2 When special subframe is located at the subframe 0 and subframe 5 of the radio frames respectively, from subframe 0 to subframe 9, the physics in each subframe mixes Automatic re-transmission indicating channel number of resources is closed to be followed successively by：0、4、8、7、6、0、4、8、7、6；
    It is 10ms when the cycle of the radio frames, the radio frames include 8 sub-frame of uplink, 1 special subframe and 1 descending son Frame, and 1 special subframe is located at the subframe 1 of the radio frames, 1 descending sub frame is located at the subframe of the radio frames When 0, from subframe 0 to subframe 9, the physical mixed automatic re-transmission indicating channel number of resources in each subframe is followed successively by：0、0、8、7、 7、6、5、4、12、11。
  6. 6. according to the method for claim 5, it is characterised in that configured described according to the ascending-descending subframes of the setting, After the physical mixed automatic re-transmission indicating channel number of resources step for configuring each subframe in the radio frames, methods described is also wrapped Include：
    According to the physical mixed automatic re-transmission indicating channel number of resources of each subframe in radio frames, subframe in the radio frames is configured Physical mixed automatic re-transmission indicating channel the binding of feedback acknowledgment/non-acknowledgement signal.
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CN106506423B (en) * 2015-09-07 2020-01-31 普天信息技术有限公司 data transmission method and base station
CN105357763A (en) * 2015-11-02 2016-02-24 北京博信视通科技有限公司 Communication method and device in time-division duplex system
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WO2021026849A1 (en) * 2019-08-14 2021-02-18 Oppo广东移动通信有限公司 Method, apparatus and system for transmitting data

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