CN108206732A

CN108206732A - Data transmission method, the acquisition methods of resource indication information, terminal and base station

Info

Publication number: CN108206732A
Application number: CN201611179308.2A
Authority: CN
Inventors: 沈晓冬; 丁昱
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2016-12-19
Filing date: 2016-12-19
Publication date: 2018-06-26
Anticipated expiration: 2036-12-19
Also published as: CN108206732B; WO2018113500A1

Abstract

The present invention provides a kind of data transmission method, the acquisition methods of resource indication information, terminal and base station, solve the problems, such as that the prior art in Physical Downlink Control Channel while can not indicate the resource number of multiple subframes or multiple code blocks.The present invention includes：According to default resource number and the correspondence of scrambling mode, scrambling mode corresponding with the resource number of descending scheduling resource is determined；According to identified scrambling mode, the cyclic redundancy check (CRC) of data block carried to the descending scheduling resource scrambles；The CRC after scrambling and the data block are sent to terminal.The embodiment of the present invention is in a manner that the scrambled methods of CRC are come the implicit instruction downlink resource number to be indicated, it realizes in Physical Downlink Control Channel while provides multiple subframes or the purpose of the resource number of multiple code blocks, simultaneously signaling overheads can be reduced, guarantee agreement can workability.

Description

Data transmission method, the acquisition methods of resource indication information, terminal and base station

Technical field

The present invention relates to the technical field of communication more particularly to a kind of data transmission method, the acquisitions of resource indication information Method, terminal and base station.

Background technology

Among the design in the stage of 4G TD-LTE, Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH) transmission is not completely reliable, user equipment (User Equipment, UE) may be lost Certain Downlink Control Information (Downlink Control Information, DCI), so as to cause hybrid automatic repeat-request (Hybrid Automatic Repeat request, HARQ) error rate increases.In order to avoid such issues that, PDCCH is introduced One downlink distribution index (Downlink Assignment Index, DAI) field, for informing UE in HARQ feedback How many subframe includes downlink transfer in window.In HARQ bundling, it may also help in UE and detect whether be lost Downlink DCI, and avoid the occurrence of the situation for being lost certain downlink DCI but feedback acknowledgment ACK informations.In HARQ In multiplexing, DAI can assist UE to determine to need the ACK/ non-acknowledgement nack messages for feeding back how many bit.

And in 5G newly eats dishes without rice or wine (New Radio, NR) system, under controlling NR-PDCCH it is possible that scheduling is multiple due to one Capable subframe, each downlink subframe include one or more code block (code block, CB), and the prior art can not be disposable Provide each subframe or the resource number of CB in NR-PDCCH, so terminal can not accurately determine required feeding back ACK/ The bit number of discontinuous transmission (Discontinuous Transmission, DTX) information that NACK/ is not received.

Invention content

The embodiment of the present invention provides a kind of data transmission method, the acquisition methods of resource indication information, terminal and base station, with The solution prior art can not indicate the resource number of multiple subframes or multiple code blocks simultaneously in Physical Downlink Control Channel Problem.

In a first aspect, the embodiment provides a kind of data transmission method, applied to base station, including：

According to default resource number and the correspondence of scrambling mode, determine corresponding with the resource number of descending scheduling resource Scrambling mode；

According to identified scrambling mode, the cyclic redundancy check of data block carried to the descending scheduling resource CRC is scrambled；

The CRC after scrambling and the data block are sent to terminal.

Second aspect, the embodiment of the present invention additionally provide a kind of acquisition methods of resource indication information, applied to terminal, Including：

Cyclic redundancy check (CRC) after the data block of acquisition base station transmission and scrambling, the CRC after the scrambling are base station root According to default resource number and the correspondence of scrambling mode, scrambling mode corresponding with the resource number of descending scheduling resource is determined Afterwards, what the CRC of data block carried according to identified scrambling mode to the descending scheduling resource was scrambled；

Solution scrambling processing is carried out to the CRC after the scrambling, obtains the scrambling mode of the CRC of the data block；

According to default resource number and the correspondence of scrambling mode, money corresponding with the scrambling mode of the CRC is obtained Source is numbered, and as the resource number of the descending scheduling resource.

The third aspect, the embodiment of the present invention additionally provide a kind of base station, including：

First determining module, for the correspondence according to default resource number and scrambling mode, determining and descending scheduling The corresponding scrambling mode of resource number of resource；

Scrambling module, for according to identified scrambling mode, the data block that is carried to the descending scheduling resource Cyclic redundancy check (CRC) is scrambled；

Sending module, for the CRC after scrambling and the data block to be sent to terminal.

Fourth aspect, the embodiment of the present invention additionally provide a kind of terminal, including：

First acquisition module, it is described to add for obtaining the cyclic redundancy check (CRC) after the data block of base station transmission and scrambling CRC after disturbing is base station according to default resource number and the correspondence of scrambling mode, the determining resource with descending scheduling resource After numbering corresponding scrambling mode, the data block that is carried according to identified scrambling mode to the descending scheduling resource What CRC was scrambled；

Third determining module for carrying out solution scrambling processing to the CRC after the scrambling, obtains the CRC of the data block Scrambling mode；

Second acquisition module for the correspondence according to default resource number and scrambling mode, is obtained with the CRC's The corresponding resource number of scrambling mode, and as the resource number of the descending scheduling resource.

In this way, the above-mentioned technical proposal of the embodiment of the present invention, base station is corresponding with scrambling mode according to default resource number Relationship determines scrambling mode corresponding with the resource number of descending scheduling resource；According to identified scrambling mode, to downlink tune The cyclic redundancy check (CRC) of data block that degree resource is carried is scrambled；CRC after scrambling and data block are sent to end End so that the CRC after scrambling described in terminal-pair carries out solution scrambling processing, obtains the scrambling mode of CRC；According to default resource number With the correspondence of scrambling mode, resource number corresponding with the scrambling mode of the CRC is obtained, and be used as descending scheduling resource Resource number.The embodiment of the present invention in a manner that the scrambled methods of CRC are come the implicit instruction downlink resource number to be indicated, It realizes in Physical Downlink Control Channel while provides multiple subframes or the purpose of the resource number of multiple code blocks, while energy Enough reduce signaling overheads, guarantee agreement can workability.

Description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is a flow chart of data transmission method first embodiment of the present invention；

Fig. 2 is a flow chart of data transmission method second embodiment of the present invention；

Fig. 3 is the first schematic diagram of the CB numbers of single subframe in data transmission method of the present invention；

Fig. 4 is the first schematic diagram of the CB numbers of multiple subframes in data transmission method of the present invention；

Fig. 5 is the second schematic diagram of the CB numbers of single subframe in data transmission method of the present invention；

Fig. 6 is the second schematic diagram of the CB numbers of multiple subframes in data transmission method of the present invention；

Fig. 7 is the another flow chart of data transmission method second embodiment of the present invention；

Fig. 8 is the first correspondence figure of resource number and DAI in data transmission method of the present invention；

Fig. 9 is the second correspondence figure of resource number and DAI in data transmission method of the present invention

Figure 10 is a flow chart of the acquisition methods 3rd embodiment of resource indication information of the present invention；

Figure 11 is the another flow chart of the acquisition methods 3rd embodiment of resource indication information of the present invention；

Figure 12 is the flow chart of the acquisition methods fourth embodiment of resource indication information of the present invention；

Figure 13 is a structure diagram of base station first embodiment of the present invention；

Figure 14 is the structure diagram again of base station first embodiment of the present invention；

Figure 15 is the structure diagram of base station second embodiment of the present invention；

Figure 16 is a structure diagram of terminal first embodiment of the present invention；

Figure 17 is the another structure diagram of terminal first embodiment of the present invention；

Figure 18 is the structure diagram of terminal second embodiment of the present invention；

Figure 19 is the structure diagram of terminal 3rd embodiment of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.

Method first embodiment

As shown in Figure 1, the embodiment provides a kind of data transmission method, applied to base station, including：

Step 101：According to default resource number and the correspondence of scrambling mode, the resource with descending scheduling resource is determined Number corresponding scrambling mode.

Here, it by presetting the correspondence of resource number and scrambling mode, determines to compile with the resource of descending scheduling resource Number corresponding scrambling mode, to be scrambled subsequently through the scrambling mode to data block.

Specifically, above-mentioned steps 101 may particularly include the correspondence according to default resource number and scrambling mode, determine Scramble sequence group corresponding with the resource number of descending scheduling resource.The scramble sequence group include Walsh sequences, m-sequence or Gold sequences.Certainly, which may also comprise or a subset of other random sequence groups.

Step 102：According to identified scrambling mode, the cycle of data block carried to above-mentioned descending scheduling resource is superfluous Remaining check (CRC) is scrambled.

Here, by carrying out scrambled mode to CRC come the implicit instruction downlink resource number to be indicated, reach in physics The purpose of the resource number of multiple subframes or multiple code blocks is provided in down control channel simultaneously.

Step 103：Above-mentioned CRC after scrambling and above-mentioned data block are sent to terminal.

Here, the above-mentioned CRC after scrambling and above-mentioned data block are sent to terminal so that after scrambling described in terminal-pair CRC carries out solution scrambling processing, obtains the scrambling mode of CRC；According to default resource number and the correspondence of scrambling mode, obtain Resource number corresponding with the scrambling mode of the CRC and as the resource number of the descending scheduling resource, realizes in object The purpose of the resource number of multiple subframes or multiple code blocks is provided in reason down control channel simultaneously, and reduces signaling and opens Pin.

The data transmission method of the embodiment of the present invention, base station according to default resource number and the correspondence of scrambling mode, Determine scrambling mode corresponding with the resource number of descending scheduling resource；According to identified scrambling mode, descending scheduling is provided The cyclic redundancy check (CRC) for the data block that source is carried is scrambled；CRC after scrambling and data block are sent to terminal, made It obtains the CRC after scrambling described in terminal-pair and carries out solution scrambling processing, obtain the scrambling mode of CRC；According to default resource number with adding The correspondence of pattern is disturbed, obtain resource number corresponding with the scrambling mode of the CRC and is used as the descending scheduling resource Resource number.The embodiment of the present invention in a manner that the scrambled methods of CRC are come the implicit instruction downlink resource number to be indicated, It realizes in Physical Downlink Control Channel while provides multiple subframes or the purpose of the resource number of multiple code blocks, while energy Enough reduce signaling overheads, guarantee agreement can workability.

Method second embodiment

As shown in Fig. 2, the embodiment provides a kind of data transmission method, applied to base station, including：

Step 201：Determine the resource number of descending scheduling resource.

Here, by determining the resource number of descending scheduling resource, subsequently to be determined and the downlink according to resource number The corresponding scrambling mode of resource number of scheduling resource.

It specifically, can be according to the number of subframe in descending scheduling resource and the transmission in each subframe in the embodiment of the present invention The number of block TB determines the number of each code block CB in descending scheduling resource.

Below in conjunction with the accompanying drawings 3-5 come illustrate in the embodiment of the present invention determine resource number specific implementation.

Realization method one

Above-mentioned descending scheduling resource includes at least one subframe, and each subframe includes at least one transmission block TB, Mei Gesuo It states TB and includes at least one code block CB；

The resource number of above-mentioned determining descending scheduling resource, including：

Each code block CB in above-mentioned descending scheduling resource is numbered, obtains the CB numbers of each CB, wherein, it is above-mentioned There is different CB different CB to number in descending scheduling resource；It is numbered, determined each in descending scheduling resource according to above-mentioned CB The resource number of CB.

In above-mentioned realization method one, Unified number is carried out, and different CB has to all CB in descending scheduling resource Different CB numbers, as shown in Figure 3, it is assumed that descending scheduling resource includes a subframe (time slot), which includes a transmission Block TB, each TB include six CB, are numbered at this time using a pair of above-mentioned all CB of above-mentioned realization method, obtain number 0- 5, terminal determines multiple code blocks of multiple subframe feeding back ACK/NACK on a sub-frame of uplink according to resource number 0-5 Bit number, the form when being fed back on sub-frame of uplink can be specially ACK/NACK 0-5.

As shown in figure 4, descending scheduling resource includes two subframes (time slot), each subframe includes two transmission block TB, often A TB includes six CB, then all CB in descending scheduling resource is numbered, obtains number 0-23.Terminal is according to the resource Number determines the bit number of multiple code blocks feeding back ACK/NACK on a sub-frame of uplink of multiple subframe.In sub-frame of uplink On form when being fed back can be specially ACK/NACK 0-23.

Realization method two

The descending scheduling resource includes a subframe, and each subframe includes at least two TB, and each TB is included extremely Few two CB；

The resource number of the determining descending scheduling resource, including：

Each CB in above-mentioned descending scheduling resource and each TB are numbered respectively, obtain each CB CB number and The TB numbers of each TB, wherein, there is different TB different TB to number in descending scheduling resource, the difference in same TB There is CB different CB to number；It is numbered according to the TB of TB where the CB of CB numbers and the CB, determines descending scheduling resource In each CB resource number.

In above-mentioned realization method two, when in downlink scheduling resource include a subframe, the subframe include multiple TB when, then it is right Each TB is numbered, and multiple CB in each TB are individually numbered.As shown in figure 5, descending scheduling resource includes one A subframe (time slot), the subframe include two transmission blocks TB, each TB and include six CB, then two TB be numbered respectively It is numbered to two TB, and 6 CB in each TB numbers is numbered respectively, obtain CB number 0-5, terminal is numbered according to TB With the combination of CB numbers, the number of each CB is obtained, that represent such as TB1-CB0 or CB0-TB1 is first in first TB CB.Form when being fed back on sub-frame of uplink can be specially TB1：ACK/NACK 0-5；TB2：ACK/NACK 0-5.

It when being combined to TB numbers and CB numbers, can be numbered with TB before this, then be CB numbers；It can also compile CB before this Number, then be TB numbers.

Realization method three

The descending scheduling resource includes at least two subframes, and each subframe includes at least two TB, each TB packets Include at least two CB；

Each CB, each TB and each subframe in the descending scheduling resource is numbered respectively, obtains each institute The subframe number of the CB numbers of CB, the TB numbers of each TB and each subframe is stated, wherein, in the descending scheduling resource not With subframe there is different subframe numbers, there is the different TB in same subframe different TB to number, in same TB not With CB there is different CB to number；According to subframe where the TB numbers of TB where the CB of CB numbers, the CB and the TB Subframe number, determine the resource number of each CB in descending scheduling resource.

As shown in fig. 6, when including multiple subframes in downlink scheduling resource, when each subframe includes multiple TB, then to each Subframe and TB are numbered respectively, and multiple CB in each TB are individually numbered.As shown in fig. 6, descending scheduling resource Comprising two subframes (time slot), each subframe includes two transmission blocks TB, each TB and includes six CB, then two subframes is distinguished It is numbered to obtain two subframe numbers, two TB is numbered respectively to obtain two TB numbers, and in each TB numbers 6 CB be numbered respectively, obtain CB number 0-5, the combination that terminal is numbered according to subframe number, TB numbers and CB obtains The number of each CB, as subframe 1-TB1-CB0 or CB0-TB1- subframe 1 represent be in first subframe in first TB the One CB.Form when being fed back on sub-frame of uplink can be specially subframe 1-TB1：ACK/NACK 0-5；Subframe 1-TB2： ACK/NACK 0-5；Subframe 2-TB1：ACK/NACK 0-5；Subframe 2-TB2：ACK/NACK 0-5.

When being combined to subframe number, TB numbers and CB numbers, can subframe number before this, then be TB numbers, most It is numbered afterwards for CB；It TB can also number before this, then be CB numbers, and be finally subframe number.

Step 202：According to default resource number and the correspondence of scrambling mode, the resource with descending scheduling resource is determined Number corresponding scrambling mode.

Here, it according to default resource number and the correspondence of scrambling mode, determines to compile with the resource of descending scheduling resource Number corresponding scrambling mode realizes the purpose of implicit instruction resource number.

As shown in fig. 7, the step 202 may particularly include：

Step 2021：If the value of the resource number of descending scheduling resource and downlink distribution index DAI are one-to-one correspondence Relationship then according to default resource number and the correspondence of scrambling mode, determines corresponding with the resource number of descending scheduling resource Scrambling mode.

Specifically, as shown in figure 8, the value of DAI and resource number are one-to-one relationship, resource number D4, D5, S6 and D8 It is corresponded with downlink DAI=1, downlink DAI=2, downlink DAI=3 and downlink DAI=4.At this point, it can be searched in table 1 below Scrambling mode corresponding with resource number preserves the value and scrambling mode of the resource number stored according to correspondence in table 1 Correspondence, the data carried by searching for corresponding scramble sequence and to corresponding code block carry out CRC scramblings, hidden to realize Formula indicates the purpose of resource number.

Table 1

Step 2022：If the resource number of descending scheduling resource and the value of DAI are many-to-one relationship, according to default resource The correspondence of number and the value of DAI, determines the value of DAI corresponding with the resource number of descending scheduling resource, and according to it is true One-to-one relationship between the value and scrambling mode of fixed DAI uniquely determines the scrambling mode of descending scheduling resource.

Specifically, as shown in figure 9, the value of DAI and resource number are many-to-one relationship, resource number D4, D9, D3 and downlink DAI=1 is corresponded to；Resource number D5, D0 are corresponding with downlink DAI=2；Resource number S6 and S7 is corresponding with downlink DAI=3；Resource Number D8, D2 are corresponding with downlink DAI=4.At this point, the correspondence as shown in table 2 and table 3 can be specifically established, and further root Increase the correspondence of scrambling mode according to table 2 or table 3, obtain correspondence as shown in table 4, can be searched in table 4 below DAI values corresponding with resource number, the one-to-one relationship between value and scrambling mode further according to DAI, uniquely determine downlink The scrambling mode of scheduling resource, and then realize the purpose that implicit instruction resource number is scrambled by CRC.

Table 2

Table 3

Table 4

Step 203：According to identified scrambling mode, the cycle of data block carried to above-mentioned descending scheduling resource is superfluous Remaining check (CRC) is scrambled.

Here, according to the corresponding scrambling modes of identified each CB, each CB is carried respectively the CRC of data block into Row scrambling achievees the purpose that in Physical Downlink Control Channel while provides the resource number of multiple subframes or multiple code blocks.

Above-mentioned scrambling mode refers to a sequence { s being made of bit string_k, k=0,1,2,3 ... }, effect Bit sequence after CRC bits carry out XOR operation is { CRC '_k, k=0,1,2,3 ... }, wherein, CRC '_k=CRC_k+s_k, on The multinomial that the corresponding sequence of scrambling mode can be only ' 0 ' or ' 1 ' value with a coefficient is stated to correspond.

In order to enable detection performance it is more preferable, recycle the adjacent corresponding scrambling mode of two DAI values to meet it is European away from It is big from as possible；

A kind of method is to select Walsh sequences as CRC scramble sequences, such as is K=2 for length^NCRC length, By equation below, the matrix of generation K rows K row, and choose M rows in a matrix and distribute to M downlink as M scramble sequence and want The value (table 1) of the resource number of reception.Walsh (K) is generated by equation below：

WhereinOperation is M and N Kronecker products.

After selecting Walsh sequences, the Euclidean distance between each sequence is K/2, has certain jamproof ability.Separately Outside, when K is not 2 power side, i.e. K ≠ 2^N, it is impossible to be applicable in Walsh sequences, others sequences can be selected, as m-sequence, Gold sequences or other sequences.

Step 204：Above-mentioned CRC after scrambling and above-mentioned data block are sent to terminal.

The data transmission method of the embodiment of the present invention, base station determine the resource number of descending scheduling resource；According to default money The correspondence with scrambling mode is numbered in source, determines scrambling mode corresponding with the resource number of descending scheduling resource；According to institute Determining scrambling mode, the cyclic redundancy check (CRC) of data block carried to descending scheduling resource scramble；After scrambling CRC and data block be sent to terminal so that described in terminal-pair scrambling after CRC carry out solution scrambling processing, obtain the scrambling of CRC Pattern；According to default resource number and the correspondence of scrambling mode, obtain resource corresponding with the scrambling mode of the CRC and compile Number and as the resource number of the descending scheduling resource.The embodiment of the present invention is using the scrambled methods of CRC come under implicit instruction The mode of the row resource number to be indicated realizes in Physical Downlink Control Channel while provides multiple subframes or multiple codes The purpose of the resource number of block, while signaling overheads can be reduced, guarantee agreement can workability.

Method 3rd embodiment

As shown in Figure 10, the embodiment provides a kind of acquisition methods of resource indication information, applied to terminal, Including：

Step 1001：Cyclic redundancy check (CRC) after the data block of acquisition base station transmission and scrambling, the CRC after the scrambling Be base station according to default resource number and the correspondence of scrambling mode, determine corresponding with the resource number of descending scheduling resource After scrambling mode, scrambled to obtain according to the CRC of data block that identified scrambling mode carries descending scheduling resource 's.

Here, terminal obtains the CRC after above-mentioned data block and scrambling, adds subsequently to carry out solution to the CRC after the scrambling It disturbs, to obtain corresponding scrambling mode.

Step 1002：Solution scrambling processing is carried out to the CRC after above-mentioned scrambling, obtains the scrambling mode of the CRC of data block.

Here solution scrambling processing is carried out to the CRC after above-mentioned scrambling, to obtain the CRC for the data block that each code block is carried Corresponding scrambling mode.

Specifically, check (CRC) is generated according to the data block；

According to multiple default scrambling modes, solution scrambling processing is carried out to the CRC after the scrambling respectively, one group of solution is obtained and adds CRC after disturbing；Judge in the CRC after the solution scrambling with the presence or absence of the CRC identical with the check (CRC)；If in the presence of will be with Scrambling mode corresponding to the identical CRC of the check (CRC), the scrambling mode of the CRC as the data block.

It is assumed that terminal generates check (CRC) _ recv according to the data portion detected, terminal is according to predefined mapping form In each scrambling mode, it is scrambled respectively on the CRC after above-mentioned scrambling, obtains { CRC₁, CRC₂, CRC₃..., CRC_k, Cause CRC if there is some k_kIt is identical with CRC_recv, then receive success, and by the CRC_kCorresponding scrambling mode is made The scrambling mode of CRC for the data block.

Step 1003：According to default resource number and the correspondence of scrambling mode, the scrambling mode with the CRC is obtained Corresponding resource number, and as the resource number of the descending scheduling resource.

Here, terminal obtains the resource number that base station uses the scrambled method implicit instructions of CRC, reduces signaling overheads.

As shown in figure 11, which includes：

Step 10031：If the value of the resource number of above-mentioned descending scheduling resource and downlink distribution index DAI are one by one Correspondence then according to the correspondence that resource number and scrambling mode are preset in the first default mapping table, obtains and works as former code The corresponding resource number of scrambling mode of the CRC of block CB, and as the resource number of current CB.

Terminal can know that resource number and the DAI of descending scheduling resource are one by the agreement decided through consultation in advance with base station One correspondence or many-to-one relationship, and and then select default mapping table accordingly, preserved in the first default mapping table The one-to-one relationship of default resource number and scrambling mode, terminal can uniquely really according to the corresponding scrambling mode of each code block The resource number of fixed each code block, reduces signaling overheads.The resource number of each code block can be specially the CB numbers of each CB, The either combination of TB numbers and CB or the combination of subframe number, TB numbers and CB.

Step 10032：If the value of the resource number of above-mentioned descending scheduling resource and downlink distribution index DAI are multipair One relationship then according to the correspondence preset in the second default mapping table between resource number, the value of DAI and scrambling mode, obtains Resource number corresponding with the scrambling mode of the CRC of current CB is taken, and as the resource number of the current CB.

Since when resource number is more, to reduce signaling overheads, resource number is first first mapped to DAI's by base station Value, wherein, the bit number of DAI is less than the numerical value bit number to be occupied of resource number, is mapped to further according to the value of DAI Corresponding scrambling mode, therefore, terminal, if the value of resource number and DAI are many-to-one relationship, need root when being received The resource number of current CB is obtained according to the correspondence in the above-mentioned second default mapping table.

Specifically, if the value of the resource number of above-mentioned descending scheduling resource and downlink distribution index DAI are many-one Relationship then according to the correspondence preset in the second default mapping table between resource number, the value of DAI and scrambling mode, determines The value of DAI corresponding with the scrambling mode of the CRC of current CB；In the described second default mapping table, find out with it is identified The corresponding candidate resource number set of value of DAI；According to the resource number of the previous CB adjacent with current CB, in above-mentioned candidate In resource number set, scrambling mode corresponding resource number of CB number as the CRC with current CB, and conduct are chosen The resource number of current CB.

Further, the close resource number of the resource number of previous CB can be chosen in candidate resource numbers set Resource number as current CB, it is assumed that the corresponding candidate number collection of DAI=1 is combined into (1,5,9,13), the resource of previous CB Number is 8, it is determined that the resource number of current CB is 9.

The terminal of the embodiment of the present invention carries out the CRC after the scrambling solution scrambling processing, obtains the scrambling mode of CRC； According to default resource number and the correspondence of scrambling mode, resource number corresponding with the scrambling mode of the CRC is obtained, and As the resource number of descending scheduling resource, obtain what base station to be indicated using the scrambled methods of CRC come the downlink of implicit instruction Resource number reduces signaling overheads.

Method fourth embodiment

As shown in figure 12, the embodiment of the present invention additionally provides a kind of acquisition methods of resource indication information, applied to end End, including：

Step 1201：Cyclic redundancy check (CRC) after the data block of acquisition base station transmission and scrambling, the CRC after the scrambling Be base station according to default resource number and the correspondence of scrambling mode, determine corresponding with the resource number of descending scheduling resource After scrambling mode, scrambled to obtain according to the CRC of data block that identified scrambling mode carries descending scheduling resource 's.

Step 1202：Solution scrambling processing is carried out to the CRC after above-mentioned scrambling, obtains the scrambling mode of the CRC of data block.

Step 1203：According to default resource number and the correspondence of scrambling mode, the scrambling mode with the CRC is obtained Corresponding resource number, and as the resource number of the descending scheduling resource.

Step 1201-1203 and above-mentioned steps 1001 are identical with 1003, and details are not described herein again.

Step 1204：According to the number of identified resource number, the bit number for the feedback information that true directional base station is sent, Wherein, feedback information, which carries, confirms ACK, non-acknowledgement NACK or the discontinuous transmission DTX information not received.

Here, terminal according to scrambling mode obtain resource number, and and then according to needed for being determined the resource number to base station ACK, the non-acknowledgement NACK of feedback or the information of DTX to receive are conducive to terminal and detect whether to lose downlink DCI, and Further avoid the occurrence of the situation for being lost certain downlink DCI but feeding back ACKs.

The terminal of the embodiment of the present invention carries out the CRC after the scrambling solution scrambling processing, obtains the scrambling mode of CRC； According to default resource number and the correspondence of scrambling mode, resource number corresponding with the scrambling mode of the CRC is obtained, and As the resource number of descending scheduling resource, obtain what base station to be indicated using the scrambled methods of CRC come the downlink of implicit instruction Resource number, and and then to the ACK of base station feedback, non-acknowledgement NACK or received according to needed for being determined the resource number The information of DTX is conducive to terminal and detects whether to lose downlink DCI, and further avoids the occurrence of that be lost certain downlink DCI anti- Present the situation of ACK.

Base station first embodiment

As shown in figure 13, the embodiment of the present invention additionally provides a kind of base station 1300, including：

First determining module 1301, for the correspondence according to default resource number and scrambling mode, determining and downlink The corresponding scrambling mode of resource number of scheduling resource；

Scrambling module 1302, for according to identified scrambling mode, the data carried to the descending scheduling resource The cyclic redundancy check (CRC) of block is scrambled；

Sending module 1303, for the CRC after scrambling and the data block to be sent to terminal.

The base station of the embodiment of the present invention, as shown in figure 14, first determining module 1301 include：

First determination sub-module 13011, if the resource number and downlink for the descending scheduling resource distribute rope The value for drawing DAI is one-to-one relationship, then according to default resource number and the correspondence of scrambling mode, determining and descending scheduling The corresponding scrambling mode of resource number of resource；

Second determination sub-module 13012, if being many-one for the resource number of the descending scheduling resource and the value of DAI Relationship then according to default resource number and the correspondence of the value of DAI, determines the resource number pair with descending scheduling resource The value of the DAI answered, and according to the one-to-one relationship between the value and scrambling mode of identified DAI, uniquely determine it is described under The scrambling mode of row scheduling resource.

The base station of the embodiment of the present invention, first determining module 1301 are used for according to default resource number and scrambling mode Correspondence, determine scramble sequence group corresponding with the resource number of descending scheduling resource.

The base station of the embodiment of the present invention, the scramble sequence group include Walsh sequences, m-sequence or gold sequences.

The base station of the embodiment of the present invention, further includes：

Second determining module 1304, for determining the resource number of the descending scheduling resource.

The base station of the embodiment of the present invention, the descending scheduling resource include at least one subframe, and each subframe is included at least One transmission block TB, each TB include at least one code block CB；

Second determining module 1304 includes：

Third determination sub-module 13041 for each code block CB in the descending scheduling resource to be numbered, obtains The CB numbers of each CB, wherein, there is different CB different CB to number in the descending scheduling resource；

4th determination sub-module 13042 for being numbered according to the CB, determines the resource of each CB in descending scheduling resource Number.

The base station of the embodiment of the present invention, the descending scheduling resource include a subframe, and each subframe includes at least two TB, each TB include at least two CB；

Second determining module 1304 includes：

5th determination sub-module 13043, for being carried out respectively to each CB in the descending scheduling resource and each TB Number obtains the CB numbers of each CB and the TB numbers of each TB, wherein, it is different in the descending scheduling resource There is TB different TB to number, and there is the different CB in same TB different CB to number；

6th determination sub-module 13044, the TB for the TB according to where the CB of CB numbers and the CB are numbered, are determined The resource number of each CB in descending scheduling resource.

The base station of the embodiment of the present invention, the descending scheduling resource include at least two subframes, and each subframe is included at least Two TB, each TB include at least two CB；

Second determining module 1304 includes：

7th determination sub-module 13045, for each CB, each TB and each subframe in the descending scheduling resource It is numbered respectively, obtains the subframe number of the CB numbers of each CB, the TB numbers of each TB and each subframe, In, different subframes has different subframe numbers in the descending scheduling resource, and the different TB in same subframe have not Same TB is numbered, and there is the different CB in same TB different CB to number；

8th determination sub-module 13046, for TB numbers according to the CB of CB numbers, TB where the CB and described The subframe number of subframe where TB determines the resource number of each CB in descending scheduling resource.

It should be noted that the base station is base station corresponding with above method embodiment, own in above method embodiment Realization method can also reach identical technique effect suitable for the embodiment of the base station.

The base station of the embodiment of the present invention according to default resource number and the correspondence of scrambling mode, determines and downlink tune Spend the corresponding scrambling mode of resource number of resource；According to identified scrambling mode, the number carried to descending scheduling resource It is scrambled according to the cyclic redundancy check (CRC) of block；CRC after scrambling and data block are sent to terminal so that described in terminal-pair CRC after scrambling carries out solution scrambling processing, obtains the scrambling mode of CRC；It is corresponding with scrambling mode according to default resource number Relationship obtains resource number corresponding with the scrambling mode of the CRC, and as the resource number of descending scheduling resource.This hair Bright embodiment is realized in a manner that the scrambled methods of CRC are come the implicit instruction downlink resource number to be indicated under physics The purpose of the resource number of multiple subframes or multiple code blocks is provided in row control channel simultaneously, while signaling can be reduced and opened Pin, guarantee agreement can workability.

Base station second embodiment

As shown in figure 15, in order to preferably realize above-mentioned purpose, as shown in figure 15, base station second embodiment of the invention is also A kind of base station is provided, which includes：Processor 1500；The storage being connected by bus interface with the processor 1500 Device 1520 and the transceiver 1510 being connected by bus interface with processor 1500；The memory 1520 is used to store The processor used program and data when performing operation；By the 1510 transmission data information of transceiver or lead Frequently, uplink control channel is also received by the transceiver 1510；When processor 1500 calls and performs the memory 1520 Middle stored program and data, specifically for the scheduling information for carrying numerical value configuration information is sent to terminal.

Processor 1500 is used to read the program in memory 1520, performs following process：According to default resource number with The correspondence of scrambling mode determines scrambling mode corresponding with the resource number of descending scheduling resource；Added according to identified Pattern is disturbed, the cyclic redundancy check (CRC) of data block carried to the descending scheduling resource scrambles；By the institute after scrambling It states CRC and the data block is sent to terminal.

Optionally, processor 1500 is additionally operable to, if the resource number of the descending scheduling resource distributes rope with downlink The value for drawing DAI is one-to-one relationship, then according to default resource number and the correspondence of scrambling mode, determining and descending scheduling The corresponding scrambling mode of resource number of resource；If the resource number of the descending scheduling resource and the value of DAI are closed for many-one System then according to default resource number and the correspondence of the value of DAI, determines described corresponding with the resource number of descending scheduling resource DAI value, and according to the one-to-one relationship between the value and scrambling mode of identified DAI, uniquely determine the downlink The scrambling mode of scheduling resource.

Optionally, processor 1500 is additionally operable to, and according to default resource number and the correspondence of scrambling mode, is determined under The corresponding scramble sequence group of resource number of row scheduling resource.

Optionally, the scramble sequence group includes Walsh sequences, m-sequence or gold sequences.

Optionally, processor 1500 is additionally operable to, and determines the resource number of the descending scheduling resource.

Optionally, the descending scheduling resource includes at least one subframe, and each subframe includes at least one transmission block TB, Each TB includes at least one code block CB；

Processor 1500 is additionally operable to, and each code block CB in the descending scheduling resource is numbered, obtains each institute The CB numbers of CB are stated, wherein, there is different CB different CB to number in the descending scheduling resource；It is numbered according to the CB, Determine the resource number of each CB in descending scheduling resource.

Optionally, the descending scheduling resource includes a subframe, and each subframe includes at least two TB, each TB Including at least two CB；Processor 1500 is additionally operable to, and each CB in the descending scheduling resource and each TB is carried out respectively Number obtains the CB numbers of each CB and the TB numbers of each TB, wherein, it is different in the descending scheduling resource There is TB different TB to number, and there is the different CB in same TB different CB to number；It is numbered according to the CB of the CB and described The TB numbers of TB where CB determine the resource number of each CB in descending scheduling resource.

Optionally, the descending scheduling resource includes at least two subframes, and each subframe includes at least two TB, Mei Gesuo It states TB and includes at least two CB；Processor 1500 is additionally operable to, to each CB, each TB in the descending scheduling resource and each Subframe is numbered respectively, and the subframe for obtaining the CB numbers of each CB, the TB numbers of each TB and each subframe is compiled Number, wherein, different subframes has different subframe numbers in the descending scheduling resource, the different TB tools in same subframe There is different TB to number, there is the different CB in same TB different CB to number；According to where the CB of CB numbers, the CB The TB numbers of TB and the subframe number of TB places subframe determine the resource number of each CB in descending scheduling resource.

Wherein, in fig.15, bus architecture can include the bus and bridge of any number of interconnection, specifically by processor The various circuits of memory that 1500 one or more processors represented and memory 1520 represent link together.Total coil holder Structure can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, this A little is all it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1510 can be multiple element, i.e., including transmitter and transceiver, provide with various other devices to lead to over a transmission medium The unit of letter.Processor 1500 is responsible for bus architecture and common processing, and memory 1520 can store processor 1500 The used data when performing operation.

In this way, the base station determines and descending scheduling resource according to default resource number and the correspondence of scrambling mode The corresponding scrambling mode of resource number；According to identified scrambling mode, the data block that is carried to descending scheduling resource is followed Ring redundancy check CRC is scrambled；CRC after scrambling and data block are sent to terminal so that after scrambling described in terminal-pair CRC carries out solution scrambling processing, obtains the scrambling mode of CRC；According to default resource number and the correspondence of scrambling mode, obtain Resource number corresponding with the scrambling mode of the CRC and as the resource number of the descending scheduling resource.The present invention is implemented Example is realized and is controlled in physical down in a manner that the scrambled methods of CRC are come the implicit instruction downlink resource number to be indicated The purpose of the resource number of multiple subframes or multiple code blocks is provided in channel simultaneously, while signaling overheads can be reduced, is ensured Agreement can workability.

In addition it should be pointed out that in apparatus and method of the present invention, it is clear that each component or each step are can to divide It solves and/or reconfigures.These decompose and/or reconfigure the equivalent scheme that should be regarded as the present invention.Also, perform above-mentioned system The step of column processing, can perform in chronological order according to the sequence of explanation naturally, but not need to be centainly suitable according to the time Sequence performs, and certain steps can perform parallel or independently of one another.For those of ordinary skill in the art, it is to be understood that this The whole either any steps or component of the method and apparatus of invention, can be in any computing device (including processor, storage Medium etc.) either to be realized with hardware, firmware, software or combination thereof in the network of computing device, this is this field What those of ordinary skill can be achieved in the case of the explanation for having read the present invention with their basic programming skill.

Therefore, the purpose of the present invention can also by run on any computing device a program or batch processing come It realizes.The computing device can be well known fexible unit.Therefore, the purpose of the present invention can also be included only by offer The program product of the program code of the method or device is realized to realize.That is, such program product is also formed The present invention, and the storage medium for being stored with such program product also forms the present invention.Obviously, the storage medium can be Any well known storage medium or any storage medium that developed in the future.It may also be noted that the present invention's In device and method, it is clear that each component or each step can be decomposed and/or be reconfigured.These decomposition and/or again group Close the equivalent scheme that should be regarded as the present invention.Also, the step of performing above-mentioned series of processes can be naturally according to the sequence of explanation It performs in chronological order, but does not need to centainly perform sequentially in time.Certain steps can parallel or independently of one another It performs.

Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, several improvements and modifications can also be made under the premise of principle of the present invention is not departed from, these improvements and modifications also exist In protection scope of the present invention.

Terminal first embodiment

Figure 16 is the structure chart of the terminal of one embodiment of the invention.Terminal 1600 shown in Figure 16 can realize above-mentioned side The details of terminal scheduling method in method embodiment, and achieve the effect that identical, it specifically includes：

First acquisition module 1601, for obtaining the cyclic redundancy check (CRC) after the data block of base station transmission and scrambling, institute To state the CRC after scrambling be base station according to default resource number and the correspondence of scrambling mode, is determined and descending scheduling resource After the corresponding scrambling mode of resource number, the data block that is carried according to identified scrambling mode to the descending scheduling resource CRC scrambled；

Third determining module 1602 for carrying out solution scrambling processing to the CRC after the scrambling, obtains the data block The scrambling mode of CRC；

Second acquisition module 1603, for the correspondence according to default resource number and scrambling mode, obtain with it is described The corresponding resource number of scrambling mode of CRC, and as the resource number of the descending scheduling resource.

The terminal of the embodiment of the present invention as shown in figure 17, further includes：

4th determining module 1604, for the number according to identified resource number, the feedback of true directional base station transmission The bit number of information, wherein, the feedback information, which carries, confirms ACK, non-acknowledgement NACK or the discontinuous biography not received Defeated DTX information.

The terminal of the embodiment of the present invention, the third determining module 1602 include：

Submodule 16021 is generated, for generating check (CRC) according to the data block；

Solution scrambling submodule 16022, for according to multiple default scrambling modes, being carried out respectively to the CRC after the scrambling Scrambling processing is solved, obtains the CRC after one group of solution scrambling；

Judging submodule 16023, for judging in the CRC after the solution scrambling with the presence or absence of identical with the check (CRC) CRC；

9th determination sub-module 16024, if in the presence of by the scrambling corresponding to the CRC identical with the check (CRC) Pattern, the scrambling mode of the CRC as the data block.

The terminal of the embodiment of the present invention, second acquisition module 1603 include：

First acquisition submodule 16031, if the resource number and downlink for the descending scheduling resource distribute rope The value for drawing DAI is one-to-one relationship, then according to being preset in the first default mapping table, resource number is corresponding with scrambling mode to close System obtains resource number corresponding with the scrambling mode of the CRC of current code block CB, and as the resource number of the current CB；

Second acquisition submodule 16032, if the resource number and downlink for the descending scheduling resource distribute rope The value for drawing DAI is many-to-one relationship, then according to resource number default in the second default mapping table, the value of DAI and the scrambling mould Correspondence between formula obtains resource number corresponding with the scrambling mode of the CRC of current CB, and as the current CB's Resource number.

Second acquisition submodule 16032 includes：

Determination unit 160321, if for the resource number of the descending scheduling resource and downlink distribution index DAI Value for many-to-one relationship, then preset between resource number, the value of DAI and the scrambling mode according in the second default mapping table Correspondence, determine DAI corresponding with the scrambling mode of the CRC of current CB value；

Searching unit 160322, in the described second default mapping table, finding out corresponding with the value of identified DAI Candidate resource number set；

Selection unit 160323, for the resource number according to the previous CB adjacent with current CB, in the candidate money In the number set of source, scrambling mode corresponding resource number of CB number as the CRC with the current CB is chosen, and make Resource number for current CB.

It should be noted that the terminal is terminal corresponding with above method embodiment, own in above method embodiment Realization method can also reach identical technique effect suitable for the embodiment of the terminal.

The terminal of the embodiment of the present invention carries out the CRC after the scrambling solution scrambling processing, obtains the scrambling mode of CRC； According to default resource number and the correspondence of scrambling mode, resource number corresponding with the scrambling mode of the CRC is obtained, and As the resource number of descending scheduling resource, obtain what base station to be indicated using the scrambled methods of CRC come the downlink of implicit instruction Resource number.

Terminal second embodiment

As shown in figure 18, it is the another structure diagram of terminal of the embodiment of the present invention, the terminal 1800 shown in Figure 18 includes：Extremely A few processor 1801, memory 1802, at least one network interface 1804 and other users interface 1803.In terminal 1800 Various components be coupled by bus system 1805.It is understood that bus system 1805 is used to implement between these components Connection communication.It is total to further include power bus, controlling bus and status signal in addition to including data/address bus for bus system 1805 Line.But for the sake of clear explanation, various buses are all designated as bus system 1805 in figure 18.

Wherein, user interface 1803 can include display, keyboard or pointing device (for example, mouse, trace ball (trackball), touch-sensitive plate or touch screen etc..

It is appreciated that the memory 1802 in the embodiment of the present invention can be volatile memory or non-volatile memories Device may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can be used, such as static random-access Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 1802 of system and method described herein be intended to including but not limited to this A little and any other suitable type memory.

In some embodiments, memory 1802 stores following element, executable modules or data structures or Their subset of person or their superset：Operating system 18021 and application program 18022.

Wherein, operating system 18021 comprising various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 18022 includes various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., are used to implement various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 18022.

In one embodiment of this invention, by calling program or the instruction of the storage of memory 1802, the specific can be that The program stored in application program 18022 or instruction, after processor 1801 is used for the data block and the scrambling that obtain base station transmission Cyclic redundancy check (CRC), CRC after the scrambling is base station according to the correspondence for presetting resource number and scrambling mode, After determining scrambling mode corresponding with the resource number of descending scheduling resource, according to identified scrambling mode to the downlink tune What the CRC of data block that degree resource is carried was scrambled；Solution scrambling processing is carried out to the CRC after the scrambling, is obtained The scrambling mode of the CRC of the data block；According to default resource number and the correspondence of scrambling mode, obtain and the CRC The corresponding resource number of scrambling mode, and as the resource number of the descending scheduling resource.

Optionally, processor 1801 is additionally operable to：According to the number of identified resource number, true directional base station is sent anti- The bit number of feedforward information, wherein, the feedback information, which carries, to be confirmed ACK, non-acknowledgement NACK or does not receive discontinuous Transmit DTX information.

Optionally, processor 1801 is additionally operable to：Check (CRC) is generated according to the data block；According to multiple default scrambling moulds Formula respectively carries out the CRC after the scrambling solution scrambling processing, obtains the CRC after one group of solution scrambling；After judging the solution scrambling CRC in whether there is the CRC identical with the check (CRC)；If in the presence of will be corresponding to the CRC identical with the check (CRC) Scrambling mode, the scrambling mode of the CRC as the data block.

Optionally, processor 1801 is additionally operable to：If the resource number of the descending scheduling resource distributes rope with downlink The value for drawing DAI is one-to-one relationship, then according to being preset in the first default mapping table, resource number is corresponding with scrambling mode to close System obtains resource number corresponding with the scrambling mode of the CRC of current code block CB, and as the resource number of the current CB； If the resource number of the descending scheduling resource and the value of downlink distribution index DAI are many-to-one relationship, according to second The correspondence between resource number, the value of DAI and the scrambling mode is preset in default mapping table, is obtained with current CB's The corresponding resource number of scrambling mode of CRC, and as the resource number of the current CB.

Optionally, processor 1801 is additionally operable to：If the resource number of the descending scheduling resource distributes rope with downlink The value for drawing DAI is many-to-one relationship, then according to resource number default in the second default mapping table, the value of DAI and the scrambling mould Correspondence between formula determines the value of DAI corresponding with the scrambling mode of the CRC of current CB；In the described second default mapping In table, candidate resource number set corresponding with the value of identified DAI is found out；According to the previous CB adjacent with current CB Resource number, in candidate resource number set, choose CB and number scrambling as the CRC with the current CB The corresponding resource number of pattern, and as the resource number of current CB.

The terminal 1800 of the embodiment of the present invention, processor 1801 are used to carry out the CRC after the scrambling solution scrambling processing, Obtain the scrambling mode of CRC；According to default resource number and the correspondence of scrambling mode, the scrambling mould with the CRC is obtained The corresponding resource number of formula, and as the resource number of descending scheduling resource, base station is obtained using the scrambled methods of CRC come implicit The downlink of the instruction resource number to be indicated.

The terminal of the present invention such as can be mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle-mounted computer etc. terminal.

Terminal 1800 can realize each process that terminal is realized in previous embodiment, be repeated to avoid, no longer superfluous here It states.

The method that the embodiments of the present invention disclose can be applied in processor 1801 or by processor 1801 in fact It is existing.Processor 1801 may be a kind of IC chip, have the processing capacity of signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1801 or software form.Above-mentioned Processor 1801 can be general processor, digital signal processor (Digital Signal Processor, DSP), special Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion or with the hardware in decoding processor And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 1802, processor 1801 reads the information in memory 1802, the above method is completed with reference to its hardware.

It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its It combines to realize.For hardware realization, processing unit can be realized in one or more application-specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, Controller, microcontroller, microprocessor, for performing in other electronic unit or combinations of herein described function.

For software implementations, it can be realized herein by performing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is performed by processor.Memory can in the processor or It is realized outside processor.

Terminal 3rd embodiment

As shown in figure 19, another structure diagram for the terminal of the embodiment of the present invention.Terminal 1900 shown in Figure 19 includes Radio frequency (Radio Frequency, RF) circuit 1910, memory 1920, input unit 1930, display unit 1940, processor 1960th, voicefrequency circuit 1970, WiFi (Wireless Fidelity) modules 1980 and power supply 1990.

Wherein, input unit 1930 can be used for receiving number input by user or character information and generation and terminal The related signal input of 1900 user setting and function control.Specifically, in the embodiment of the present invention, the input unit 1930 It can include touch panel 1931.Touch panel 1931, also referred to as touch screen collect user on it or neighbouring touch are grasped Make (for example user uses the operations of any suitable object or attachment on touch panel 1931 such as finger, stylus), and according to Preset formula drives corresponding attachment device.Optionally, touch panel 1931 may include touch detecting apparatus and touch Two parts of controller.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, Transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into touching Point coordinates, then the processor 1960 is given, and the order that processor 1960 is sent can be received and performed.Furthermore, it is possible to it adopts Touch panel 1931 is realized with multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel 1931, input unit 1930 can also include other input equipments 1932, other input equipments 1932 can include but is not limited to One kind or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc. Kind.

Wherein, display unit 1940 can be used for display by information input by user or be supplied to the information and terminal of user 1900 various menu interfaces.Display unit 1940 may include display panel 1941, optionally, LCD or organic hairs may be used Display panel 1941 is configured in the forms such as optical diode (Organic Light-Emitting Diode, OLED).

It should be noted that touch panel 1931 can cover display panel 1941, touch display screen is formed, when the touch display screen It detects and on it or after neighbouring touch operation, sends processor 1960 to determine the type of touch event, be followed by subsequent processing Device 1960 provides corresponding visual output according to the type of touch event in touch display screen.

Touch display screen includes Application Program Interface viewing area and common control viewing area.The Application Program Interface viewing area And arrangement mode of the common control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface elements such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area Or the empty interface not comprising any content.The common control viewing area is used to show the higher control of utilization rate, for example, Application icons such as button, interface number, scroll bar, phone directory icon etc. are set.

Wherein processor 1960 is the control centre of terminal 1900, utilizes each of various interfaces and connection whole mobile phone A part is stored in by running or performing the software program being stored in first memory 1921 and/or module and call Data in second memory 1922 perform the various functions of terminal 1900 and processing data, whole so as to be carried out to terminal 1900 Body monitors.Optionally, processor 1960 may include one or more processing units.

In one embodiment of this invention, the software program and/or mould in the first memory 1921 are stored by calling Data in block and/or the second memory 1922, after processor 1960 is used for the data block and the scrambling that obtain base station transmission Cyclic redundancy check (CRC), CRC after the scrambling are base station according to the correspondence for presetting resource number and scrambling mode, really After fixed scrambling mode corresponding with the resource number of descending scheduling resource, according to identified scrambling mode to the descending scheduling What the CRC for the data block that resource is carried was scrambled；Solution scrambling processing is carried out to the CRC after the scrambling, obtains institute State the scrambling mode of the CRC of data block；According to default resource number and the correspondence of scrambling mode, obtain with the CRC's The corresponding resource number of scrambling mode, and as the resource number of the descending scheduling resource.

Optionally, processor 1960 is additionally operable to：According to the number of identified resource number, true directional base station is sent anti- The bit number of feedforward information, wherein, the feedback information, which carries, to be confirmed ACK, non-acknowledgement NACK or does not receive discontinuous Transmit DTX information.

Optionally, processor 1960 is additionally operable to：Check (CRC) is generated according to the data block；According to multiple default scrambling moulds Formula respectively carries out the CRC after the scrambling solution scrambling processing, obtains the CRC after one group of solution scrambling；After judging the solution scrambling CRC in whether there is the CRC identical with the check (CRC)；If in the presence of will be corresponding to the CRC identical with the check (CRC) Scrambling mode, the scrambling mode of the CRC as the data block.

Optionally, processor 1960 is additionally operable to：If the resource number of the descending scheduling resource distributes rope with downlink The value for drawing DAI is one-to-one relationship, then according to being preset in the first default mapping table, resource number is corresponding with scrambling mode to close System obtains resource number corresponding with the scrambling mode of the CRC of current code block CB, and as the resource number of the current CB； If the resource number of the descending scheduling resource and the value of downlink distribution index DAI are many-to-one relationship, according to second The correspondence between resource number, the value of DAI and the scrambling mode is preset in default mapping table, is obtained with current CB's The corresponding resource number of scrambling mode of CRC, and as the resource number of the current CB.

Optionally, processor 1960 is additionally operable to：If the resource number of the descending scheduling resource distributes rope with downlink The value for drawing DAI is many-to-one relationship, then according to resource number default in the second default mapping table, the value of DAI and the scrambling mould Correspondence between formula determines the value of DAI corresponding with the scrambling mode of the CRC of current CB；In the described second default mapping In table, candidate resource number set corresponding with the value of identified DAI is found out；According to the previous CB adjacent with current CB Resource number, in candidate resource number set, choose CB and number scrambling as the CRC with the current CB The corresponding resource number of pattern, and as the resource number of current CB.

Terminal 1900 can realize each process that terminal is realized in previous embodiment, be repeated to avoid, no longer superfluous here It states.

The terminal 1900 of the embodiment of the present invention, processor 1960 are used to carry out the CRC after the scrambling solution scrambling processing, Obtain the scrambling mode of CRC；According to default resource number and the correspondence of scrambling mode, the scrambling mould with the CRC is obtained The corresponding resource number of formula, and as the resource number of descending scheduling resource, base station is obtained using the scrambled methods of CRC come implicit The downlink of the instruction resource number to be indicated.

Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit It connects, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That each unit is individually physically present, can also two or more units integrate in a unit.

If the function is realized in the form of SFU software functional unit and is independent product sale or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention. And aforementioned storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code Medium.

One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with Relevant hardware is controlled to complete by computer program, the program can be stored in a computer read/write memory medium In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.

Claims

1. a kind of data transmission method, applied to base station, which is characterized in that including：

According to default resource number and the correspondence of scrambling mode, add corresponding with the resource number of descending scheduling resource is determined Disturb pattern；

According to identified scrambling mode, to the cyclic redundancy check (CRC) of data block that the descending scheduling resource is carried into Row scrambling；

The CRC after scrambling and the data block are sent to terminal.

2. data transmission method according to claim 1, which is characterized in that the basis presets resource number and scrambling mould The correspondence of formula determines scrambling mode corresponding with the resource number of descending scheduling resource, including：

If the value of the resource number of the descending scheduling resource and downlink distribution index DAI are one-to-one relationship, root According to default resource number and the correspondence of scrambling mode, scrambling mould corresponding with the resource number of descending scheduling resource is determined Formula；

If the resource number of the descending scheduling resource and the value of DAI are many-to-one relationship, according to default resource number and DAI Value correspondence, determine the value of the DAI corresponding with the resource number of descending scheduling resource, and according to identified One-to-one relationship between the value and scrambling mode of DAI uniquely determines the scrambling mode of the descending scheduling resource.

3. data transmission method according to claim 1, which is characterized in that the basis presets resource number and scrambling mould The correspondence of formula determines scrambling mode corresponding with the resource number of descending scheduling resource, including：

According to default resource number and the correspondence of scrambling mode, add corresponding with the resource number of descending scheduling resource is determined Disturb sequence group.

4. data transmission method according to claim 3, which is characterized in that the scramble sequence group include Walsh sequences, M-sequence or gold sequences.

5. data transmission method according to claim 1, which is characterized in that the basis presets resource number and scrambling mould The correspondence of formula before determining scrambling mode corresponding with the resource number of descending scheduling resource, further includes：

Determine the resource number of the descending scheduling resource.

6. data transmission method according to claim 5, which is characterized in that the descending scheduling resource includes at least one Subframe, each subframe include at least one transmission block TB, and each TB includes at least one code block CB；

The resource number for determining the descending scheduling resource, including：

Each code block CB in the descending scheduling resource is numbered, obtains the CB numbers of each CB, wherein, it is described There is different CB different CB to number in descending scheduling resource；

It is numbered according to the CB, determines the resource number of each CB in descending scheduling resource.

7. data transmission method according to claim 5, which is characterized in that the descending scheduling resource includes a son Frame, each subframe include at least two TB, and each TB includes at least two CB；

Each CB in the descending scheduling resource and each TB are numbered respectively, obtain each CB CB number and The TB numbers of each TB, wherein, there is different TB different TB to number in the descending scheduling resource, in same TB There is different CB different CB to number；

It is numbered according to the TB of TB where the CB of CB numbers and the CB, determines that the resource of each CB in descending scheduling resource is compiled Number.

8. data transmission method according to claim 5, which is characterized in that the descending scheduling resource includes at least two Subframe, each subframe include at least two TB, and each TB includes at least two CB；

Each CB, each TB and each subframe in the descending scheduling resource is numbered respectively, obtains each CB CB numbers, the TB numbers of each TB and each subframe subframe number, wherein, it is different in the descending scheduling resource Subframe has different subframe numbers, and there is the different TB in same subframe different TB to number, the different CB in same TB It is numbered with different CB；

It is numbered according to the CB of the CB, the subframe number of subframe where the TB numbers of TB where the CB and the TB, under determining The resource number of each CB in row scheduling resource.

9. a kind of acquisition methods of resource indication information, applied to terminal, which is characterized in that including：

Cyclic redundancy check (CRC) after the data block of acquisition base station transmission and scrambling, the CRC after the scrambling are base station according to pre- If the correspondence of resource number and scrambling mode, after determining scrambling mode corresponding with the resource number of descending scheduling resource, What the CRC of data block carried according to identified scrambling mode to the descending scheduling resource was scrambled；

According to default resource number and the correspondence of scrambling mode, obtain resource corresponding with the scrambling mode of the CRC and compile Number, and as the resource number of the descending scheduling resource.

10. the acquisition methods of resource indication information according to claim 9, which is characterized in that according to default resource number With the correspondence of scrambling mode, after obtaining resource number corresponding with the scrambling mode of the CRC, further include：

According to the number of identified resource number, the bit number for the feedback information that true directional base station is sent, wherein, the feedback Information, which carries, confirms ACK, non-acknowledgement NACK or the discontinuous transmission DTX information not received.

11. the acquisition methods of resource indication information according to claim 9, which is characterized in that it is described to the scrambling after CRC carry out solution scrambling processing, obtain the scrambling mode of the CRC of the data block, including：

Check (CRC) is generated according to the data block；

According to multiple default scrambling modes, solution scrambling processing is carried out to the CRC after the scrambling respectively, after obtaining one group of solution scrambling CRC；

Judge in the CRC after the solution scrambling with the presence or absence of the CRC identical with the check (CRC)；

If in the presence of, by the scrambling mode corresponding to the CRC identical with the check (CRC), as the data block CRC's plus Disturb pattern.

12. the acquisition methods of resource indication information according to claim 9, which is characterized in that the basis presets resource Number and the correspondence of scrambling mode obtain resource number corresponding with the scrambling mode of the CRC, and are used as the downlink The resource number of scheduling resource, including：

If the value of the resource number of the descending scheduling resource and downlink distribution index DAI are one-to-one relationship, root According to the correspondence that resource number and scrambling mode are preset in the first default mapping table, acquisition adds with the CRC's of current code block CB The corresponding resource number of pattern is disturbed, and as the resource number of the current CB；

If the value of the resource number of the descending scheduling resource and downlink distribution index DAI are many-to-one relationship, basis The correspondence between resource number, the value of DAI and the scrambling mode is preset in second default mapping table, is obtained and current CB CRC the corresponding resource number of scrambling mode, and as the resource number of the current CB.

13. the acquisition methods of resource indication information according to claim 12, which is characterized in that if the descending scheduling provides The resource number in source is many-to-one relationship with the value of downlink distribution index DAI, then is preset according in the second default mapping table Correspondence between resource number, the value of DAI and the scrambling mode obtains corresponding with the scrambling mode of the CRC of current CB Resource number, and as the resource number of the current CB, including：

If the value of the resource number of the descending scheduling resource and downlink distribution index DAI are many-to-one relationship, basis The correspondence between resource number, the value of DAI and the scrambling mode is preset in second default mapping table, is determined and current CB CRC the corresponding DAI of scrambling mode value；

In the described second default mapping table, candidate resource number set corresponding with the value of identified DAI is found out；

According to the resource number of the previous CB adjacent with current CB, in candidate resource number set, a CB is chosen The corresponding resource number of scrambling mode as the CRC with the current CB is numbered, and as the resource number of current CB.

14. a kind of base station, which is characterized in that including：

First determining module for the correspondence according to default resource number and scrambling mode, determines and descending scheduling resource The corresponding scrambling mode of resource number；

Scrambling module, for according to identified scrambling mode, the cycle of data block carried to the descending scheduling resource Redundancy check CRC is scrambled；

15. base station according to claim 14, which is characterized in that first determining module includes：

First determination sub-module, if the value of the resource number and downlink distribution index DAI for the descending scheduling resource For one-to-one relationship, then according to default resource number and the correspondence of scrambling mode, the money with descending scheduling resource is determined Number corresponding scrambling mode in source；

Second determination sub-module, if for the resource number of the descending scheduling resource and the value of DAI for many-to-one relationship, root According to default resource number and the correspondence of the value of DAI, determine the DAI's corresponding with the resource number of descending scheduling resource Value, and according to the one-to-one relationship between the value and scrambling mode of identified DAI, uniquely determine the descending scheduling resource Scrambling mode.

16. base station according to claim 14, which is characterized in that first determining module is used to be compiled according to default resource Correspondence number with scrambling mode determines scramble sequence group corresponding with the resource number of descending scheduling resource.

17. base station according to claim 16, which is characterized in that the scramble sequence group includes Walsh sequences, m-sequence Or gold sequences.

18. base station according to claim 14, which is characterized in that further include：

Second determining module, for determining the resource number of the descending scheduling resource.

19. base station according to claim 18, which is characterized in that the descending scheduling resource includes at least one subframe, Each subframe includes at least one transmission block TB, and each TB includes at least one code block CB；

Second determining module includes：

Third determination sub-module for each code block CB in the descending scheduling resource to be numbered, obtains each described The CB numbers of CB, wherein, there is different CB different CB to number in the descending scheduling resource；

4th determination sub-module for being numbered according to the CB, determines the resource number of each CB in descending scheduling resource.

20. base station according to claim 18, which is characterized in that the descending scheduling resource includes a subframe, each Subframe includes at least two TB, and each TB includes at least two CB；

Second determining module includes：

5th determination sub-module for each CB in the descending scheduling resource and each TB to be numbered respectively, obtains The CB numbers of each CB and the TB numbers of each TB, wherein, different TB has not in the descending scheduling resource Same TB is numbered, and there is the different CB in same TB different CB to number；

6th determination sub-module, the TB for the TB according to where the CB of CB numbers and the CB are numbered, and determine descending scheduling The resource number of each CB in resource.

21. base station according to claim 18, which is characterized in that the descending scheduling resource includes at least two subframes, Each subframe includes at least two TB, and each TB includes at least two CB；

Second determining module includes：

7th determination sub-module, for being carried out respectively to each CB, each TB and each subframe in the descending scheduling resource Number obtains the subframe number of the CB numbers of each CB, the TB numbers of each TB and each subframe, wherein, it is described Different subframes has different subframe numbers in descending scheduling resource, and there is the different TB in same subframe different TB to compile Number, there is the different CB in same TB different CB to number；

8th determination sub-module, for son where the TB numbers of TB according to where the CB of CB numbers, the CB and the TB The subframe number of frame determines the resource number of each CB in descending scheduling resource.

22. a kind of terminal, which is characterized in that including：

First acquisition module, for obtaining the cyclic redundancy check (CRC) after the data block of base station transmission and scrambling, after the scrambling CRC be base station according to default resource number and the correspondence of scrambling mode, determine and the resource number of descending scheduling resource After corresponding scrambling mode, according to identified scrambling mode to the CRC of data block that the descending scheduling resource is carried into Row scrambling obtains；

Third determining module, for the CRC after the scrambling carry out solution scrambling processing, obtain the data block CRC plus Disturb pattern；

Second acquisition module for the correspondence according to default resource number and scrambling mode, obtains the scrambling with the CRC The corresponding resource number of pattern, and as the resource number of the descending scheduling resource.

23. terminal according to claim 22, which is characterized in that further include：

4th determining module, for the number according to identified resource number, the ratio for the feedback information that true directional base station is sent Special number, wherein, the feedback information, which carries, confirms ACK, non-acknowledgement NACK or the discontinuous transmission DTX not received letters Breath.

24. terminal according to claim 22, which is characterized in that the third determining module includes：

Submodule is generated, for generating check (CRC) according to the data block；

Solution scrambling submodule, for according to multiple default scrambling modes, being carried out respectively to the CRC after the scrambling at solution scrambling Reason obtains the CRC after one group of solution scrambling；

Judging submodule, for judging in the CRC after the solution scrambling with the presence or absence of the CRC identical with the check (CRC)；

9th determination sub-module, if in the presence of, by the scrambling mode corresponding to the CRC identical with the check (CRC), as The scrambling mode of the CRC of the data block.

25. terminal according to claim 22, which is characterized in that second acquisition module includes：

First acquisition submodule, if the value of the resource number and downlink distribution index DAI for the descending scheduling resource For one-to-one relationship, then according to the correspondence that resource number and scrambling mode are preset in the first default mapping table, obtain with The corresponding resource number of scrambling mode of the CRC of current code block CB, and as the resource number of the current CB；

Second acquisition submodule, if the value of the resource number and downlink distribution index DAI for the descending scheduling resource For many-to-one relationship, then according to pair preset in the second default mapping table between resource number, the value of DAI and the scrambling mode It should be related to, obtain resource number corresponding with the scrambling mode of the CRC of current CB, and as the resource number of the current CB.

26. terminal according to claim 25, which is characterized in that second acquisition submodule includes：

Determination unit, if being multipair for the resource number of the descending scheduling resource and the value of downlink distribution index DAI One relationship, then according to the corresponding pass preset in the second default mapping table between resource number, the value of DAI and the scrambling mode System determines the value of DAI corresponding with the scrambling mode of the CRC of current CB；

Searching unit, in the described second default mapping table, finding out candidate resource corresponding with the value of identified DAI Number set；

Selection unit for the resource number according to the previous CB adjacent with current CB, is numbered in the candidate resource and is gathered In, scrambling mode corresponding resource number of CB number as the CRC with the current CB is chosen, and as current CB's Resource number.