CN110166165A

CN110166165A - Polymerization grade notice and received method and device

Info

Publication number: CN110166165A
Application number: CN201810150482.7A
Authority: CN
Inventors: 张公正; 王坚; 李榕; 黄凌晨
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2019-08-23
Anticipated expiration: 2038-02-13
Also published as: WO2019157914A1; CN110166165B

Abstract

The notice of the polymerization grade of the application offer Physical Downlink Control Channel (PDCCH) and received method and apparatus.The network equipment is in the PDCCH for being sent to terminal, different sequences is scrambled on the cyclic redundancy check (CRC) bit in PDCCH channel according to different polymerization grade information, or different scramble sequences is obtained according to the initialization seed that different polymerization grade information generates different scramble sequences in cell scrambling, to which polymerization grade information is passed to terminal under the premise of not increasing empty overhead, it avoids generating obscuring so that influence Data Detection for polymerization grade, is effectively guaranteed the efficiency of transmission eated dishes without rice or wine.

Description

Polymerization grade notice and received method and device

Technical field

This application involves polymerization grade (aggregation in wireless communication technology field more particularly to down control channel Level, AL) it notifies and received method and device.

Background technique

In a wireless communication system, usually from the network equipment to a terminal (it could also be possible that one group of terminal, rises to be easy See, the application is described by taking a terminal as an example) issue Physical Downlink Control Channel (physical downlink Control channel, PDCCH) notify the corresponding Downlink Control Information of the terminal (downlink control Information, DCI), DCI includes but is not limited to used modulation coding scheme (modulation and coding Scheme, MCS), precoding vector/matrix, antenna port, one of the control such as running time-frequency resource position information or a variety of, with So that the terminal is in corresponding position acquisition downlink data or sends upstream data/control information.The letter according to locating for terminal Road situation, with one or more in the factors such as distance, the resource service condition of the network equipment, the network equipment determines The polymerization grade of terminal PDCCH, i.e., occupied first (control channel element, CCE) number of control channel, The CCE number that one PDCCH is occupied may be 1,2,4,8 or even 16, i.e., polymerization grade may be 1,2,4,8 or 16, future The occupied number of resources of the polymerization grade that more polymerization grade may also be supported different is different, and polymerization grade is higher, resource More, the corresponding encoder bit rate for controlling information is lower, and robustness is higher, and the coverage area provided is remoter or can answer The region poor for channel.Terminal is not know CCE distributed number before detecting PDCCH, it is therefore desirable in agreement Blind examination is carried out to the possible position PDCCH in defined candidate search space, until detecting corresponding PDCCH, at this In a little candidate search spaces, the PDCCH channel of at least one user is all contained.

Summary of the invention

The method and device of the application offer polymerization grade information sent and received.

In a first aspect, the application provides a kind of notification method of polymerization grade, comprising:

The network equipment obtains the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check (CRC) ratio of the DCI Special sequence；

Obtain the polymerization grade of the terminal；

The CRC bit sequence is scrambled according to the polymerization grade corresponding polymerization grade information；

Sequence to the CRC bit sequence and DCI bit sequence progress channel coding after scrambling, after obtaining channel coding Column；

Sequence after exporting the channel coding.

In this way, under the premise of not increasing empty overhead, polymerization grade information is effectively transmitted to target Terminal avoids obscuring so that influencing Data Detection for generation polymerization grade.

In a kind of possible design, value or the polymerization grade of the polymerization grade information for the polymerization grade Corresponding bit sequence.

In a kind of possible design, the polymerization grade is one in multiple polymerization grades, the multiple polymerization etc. Each polymerization grade information difference or partially polymerized class information are different in grade.

In a kind of possible design, the CRC bit sequence is scrambled according to the polymerization grade information are as follows: institute The network equipment is stated by polymerization grade information scrambling to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIOn a CRC bit, Wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFor the length of the radio network temporary identifier RNTI of the terminal, X is less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the network equipment scrambles the RNTI information of the terminal to n-th_CRC-n_RNTI+1 To n-th_CRCOn a CRC bit.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

In a kind of possible design, when the polymerization grade is 1 or 2 or 4 or 8, the polymerization grade information is X 0 bit sequence, when the polymerization grade is 16, the polymerization grade information is the bit sequence of X a 1；Or

When the polymerization grade is 1 or 2 or 4 or 8, the bit sequence that the polymerization grade information is X 1, when described When polymerization grade is 16, the polymerization grade information is the bit sequence of X a 0.

Second aspect, the application provide a kind of notification method of polymerization grade, comprising:

The network equipment obtains the Downlink Control Information DCI bit sequence after the rate-matched of terminal；

Obtain the polymerization grade of the terminal；

After being scrambled according to the polymerization grade information to the DCI bit sequence after the rate-matched Sequence；

Sequence after exporting the scrambling.

In a kind of possible design, value or the polymerization grade of the polymerization grade information for the polymerization grade Corresponding number.

In a kind of possible design, it is described according to the polymerization grade information to the DCI bit after the rate-matched Sequence carries out scrambled sequence are as follows: it is initial by following formula to carry out scrambled sequence to the DCI bit sequence after the rate-matched Change:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

Wherein, n_ALFor the polymerization grade information, n_RNTIFor the cell-radio network temporary identifier of the terminal (CRNTI), n_IDFor cell identification number (Cell ID) or control scrambling identifier (Control-scrambling- Identity), Y is positive integer, and Y is the bit number distinguishing different polymerization grade information and using.

In a kind of possible design, Y n_{AL, max}With the digit of binary representation, n_{AL, max}For n_ALMaximum value.

In a kind of possible design, when the polymerization grade is 1 or 2 or 4 or 8, n_ALIt is 0, when the polymerization grade When being 16, n_ALIt is 1；Or

When the polymerization grade is 1 or 2 or 4 or 8, n_ALIt is 1, when the polymerization grade is 16, n_ALIt is 0.

The third aspect, the application provide a kind of method of reseptance of polymerization grade, comprising:

Terminal is obtained wait descramble sequence to be decoded；

It is treated according to the corresponding polymerization grade information of various polymerization grades and descrambles sequence progress blind examination to be decoded；

The blind examination result that output passes through verification.

In this way, under the premise of not increasing empty overhead, terminal has effectively got the letter of polymerization grade Breath is unlikely to produce to obtain correct polymerization grade, the resource that confirmation PDCCH is occupied and correct decoding after verification passes through Raw polymerization grade is obscured.

In a kind of possible design, it is to be decoded that descrambling is treated according to the corresponding polymerization grade information of various polymerization grades Sequence carries out blind examination are as follows: the terminal is according to the polymerization grade information to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIIt is a described CRC bit is descrambled, wherein n_CRCFor the length of the CRC bit sequence, n_RNTIWireless network for the terminal is interim The length of identifier (RNTI), X are less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the terminal is according to the RNTI information of the terminal to n-th_CRC-n_RNTI+ 1 to n-th_CR A CRC bit is descrambled.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

Fourth aspect, the application provide a kind of polymerization grade method of reseptance, comprising:

Terminal is obtained wait descramble sequence to be decoded；

Blind examination is carried out wait descramble sequence to be decoded to described according to the corresponding polymerization grade information of various polymerization grades；

The result that output passes through the blind examination of verification.

In a kind of possible design, to described initial by following formula wait descramble the sequence that sequence to be decoded is descrambled Change:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RnTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

5th aspect, the application provide a kind of notice device of polymerization grade, which is characterized in that described including processor Processor is for executing following steps:

Obtain the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check (CRC) bit sequence of the DCI；

Obtain the polymerization grade of the terminal；

Sequence after exporting the channel coding.

In a kind of possible design, described device further includes memory, and the memory is used to store program instruction, when The step is executed when the processor operation described program instruction.

In a kind of possible design, the CRC bit sequence is scrambled according to the polymerization grade information are as follows: institute Processor is stated by polymerization grade information scrambling to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIOn a CRC bit, Middle n_CRCFor the length of the CRC bit sequence, n_RNTIFor the length of the radio network temporary identifier RNTI of the terminal, X For less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the processor scrambles the RNTI information of the terminal to n-th_CRC-n_RNTI+ 1 arrives N-th_CRCOn a CRC bit.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

6th aspect, the application provide a kind of notice device of polymerization grade, which is characterized in that described including processor Processor is for executing following steps:

Downlink Control Information DCI bit sequence after obtaining the rate-matched of terminal；

Obtain the polymerization grade of the terminal；

Sequence after exporting the scrambling.

In a kind of possible design, it is described according to the polymerization grade information to the DCI bit after the rate-matched Sequence carries out scrambled sequence are as follows: the processor to the DCI bit sequence after the rate-matched carry out scrambled sequence by Following formula initialization:

4_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

Wherein, n_ALFor the polymerization grade information, n_RNTIFor the cell-radio network temporary identifier of the terminal (CRNTI), nID is cell identification number (Cell ID) or control scrambling identifier (Control-scrambling- Identity), Y is positive integer, and Y is the bit number distinguishing different polymerization grade information and using.

7th aspect, the application provide a kind of reception device of polymerization grade, including processor, and the processor is for holding Row following steps:

It obtains wait descramble sequence to be decoded；

The blind examination result that output passes through verification.

In a kind of possible design, it is to be decoded that descrambling is treated according to the corresponding polymerization grade information of various polymerization grades Sequence carries out blind examination are as follows: the processor is according to the polymerization grade information to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIA institute It states CRC bit to be descrambled, wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFace for the wireless network of described device When identifier (RNTI) length, X be less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the processor is according to the RNTI information of described device to n-th_CRC-n_RNTI+ 1 to n_CRCA CRC bit is descrambled.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

Eighth aspect, the application provide a kind of polymerization grade reception device, including processor, and the processor is for executing Following steps:

It obtains wait descramble sequence to be decoded；

The result that output passes through the blind examination of verification.

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

Wherein, n_ALFor the polymerization grade information, n_RNTIFor the cell-radio network temporary identifier of described device (CRNTI), n_IDFor cell identification number (Cell ID) or control scrambling identifier (Control-scrambling- Identity), Y is positive integer, and Y is the bit number distinguishing different polymerization grade information and using.

Above-mentioned 5th aspect can be inside processor or outside processor to the memory that eighth aspect is related to, can To be integrated in terminal or base station.

Above-mentioned 5th aspect can be circuit, or one or more integrated electricity to the processor that eighth aspect is related to Road or be one or more special chips.The processor is also possible to a general-purpose chip, will be for realizing above-mentioned polymerization The program instruction of the notification method of grade, which loads, can realize the transmission of above-mentioned polymerization grade information on the upper processor or connect The function of receipts.Above-mentioned processor is also possible to the group of one or more of circuit, integrated circuit, special chip, general-purpose chip It closes.

9th aspect, the application provide a kind of notice device of polymerization grade characterized by comprising

Module is obtained, for obtaining the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check of the DCI CRC bit sequence, and obtain the polymerization grade of the terminal；

Scrambling module, for being carried out according to the corresponding polymerization grade information of the polymerization grade to the CRC bit sequence Scrambling；

Coding module, for obtaining to the CRC bit sequence and DCI bit sequence progress channel coding after scrambling Sequence after channel coding；

Sending module, for sending the sequence after the channel coding.

In a kind of possible design, the CRC bit sequence is scrambled according to the polymerization grade information are as follows: institute Scrambling module is stated by polymerization grade information scrambling to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIOn a CRC bit, Wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFor the length of the radio network temporary identifier (RNTI) of the terminal Degree, X are less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the scrambling module scrambles the RNTI information of the terminal to n-th_CRC-n_RNTI+1 To n-th_CRCOn a CRC bit.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

Tenth aspect, the application provide a kind of notice device of polymerization grade characterized by comprising

Module, the Downlink Control Information DCI bit sequence after the rate-matched for obtaining terminal are obtained, and obtains institute State the polymerization grade of terminal；

Scrambling module, for being added according to the polymerization grade information to the DCI bit sequence after the rate-matched Disturb the sequence after being scrambled；

Sending module, for sending the sequence after the scrambling.

In a kind of possible design, it is described according to the polymerization grade information to the DCI bit after the rate-matched Sequence carries out scrambled sequence are as follows: the scrambling module carries out scrambled sequence to the DCI bit sequence after the rate-matched It is initialized by following formula:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

Tenth on the one hand, and the application provides a kind of polymerization grade reception device, comprising:

Module is obtained, for obtaining wait descramble sequence to be decoded；

Blind examination module, for treated according to the corresponding polymerization grade information of various polymerization grades descramble sequence to be decoded into Row blind examination, and output pass through the blind examination result of verification.

In a kind of possible design, it is to be decoded that descrambling is treated according to the corresponding polymerization grade information of various polymerization grades Sequence carries out blind examination are as follows: the blind examination module is according to the polymerization grade information to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIIt is a The CRC bit is descrambled, wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFor the wireless network of described device The length of temporary identifier (RNTI), X are less than or equal to n_CRC-n_RNTIPositive integer.

In a kind of possible design, the blind examination module is according to the RNTI information of described device to n-th_CRC-n_RNTI+ 1 arrives N-th_CRCA CRC bit is descrambled.

In a kind of possible design, n_CRC=24, n_RNTI=16.

In a kind of possible design, X is less than or equal to 5.

12nd aspect, the application provide a kind of polymerization grade reception device, comprising:

Module is obtained, for obtaining wait descramble sequence to be decoded；

Blind examination module, for according to the corresponding polymerization grade information of various polymerization grades to described wait descramble sequence to be decoded Column carry out blind examination, and output passes through the result of the blind examination of verification.

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

13rd aspect, the application provide a kind of notice device of polymerization grade, comprising:

Input interface, for obtaining the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check of the DCI The polymerization grade of CRC bit sequence and terminal；

Logic circuit, is used for and the polymerization grade based on the terminal scrambles the CRC bit sequence；To scrambling CRC bit sequence and the DCI bit sequence afterwards carries out channel coding, the sequence after obtaining channel coding；

Output interface, for exporting the sequence after the channel coding.

Fourteenth aspect, the application provide a kind of notice device of polymerization grade characterized by comprising

Input interface, for obtaining the polymerization grade of terminal；

Logic circuit, for the polymerization grade information according to the terminal to the DCI bit sequence after the rate-matched Sequence after being scrambled；

Output interface, for exporting the sequence after the scrambling.

15th aspect, the application provide a kind of polymerization grade reception device, comprising:

Input interface, for obtaining wait descramble sequence to be decoded；

Logic circuit, for according to the corresponding polymerization grade information of various polymerization grades to described wait descramble sequence to be decoded Column carry out blind examination, the signal after obtaining blind examination；

Output interface, for exporting the sequence after the blind examination.

16th aspect, the application provides a kind of communication equipment, which is characterized in that the communication equipment include transceiver with And the notice device in each possible design of above-mentioned 5th aspect and above-mentioned 5th aspect；

The transceiver is for sending the sequence after channel coding.

17th aspect, the application provides a kind of communication equipment, which is characterized in that the communication equipment include transceiver with And the notice device in each possible design of above-mentioned 6th aspect and above-mentioned 6th aspect；

The transceiver is used to send the sequence after scrambling.

18th aspect, the application provide a kind of readable storage medium storing program for executing, which is characterized in that deposit in the readable storage medium storing program for executing Computer program is contained, above-mentioned first aspect and above-mentioned first are realized when the computer program is executed by the network equipment The notification method of polymerization grade in each possible design of aspect or above-mentioned second aspect and above-mentioned second aspect it is each The notification method of polymerization grade in possible design.

19th aspect, the application provide a kind of readable storage medium storing program for executing, which is characterized in that deposit in the readable storage medium storing program for executing Computer program is contained, the above-mentioned third aspect and above-mentioned third are realized when the computer program is executed by the network equipment The method of reseptance of polymerization grade in each possible design of aspect or above-mentioned fourth aspect and above-mentioned fourth aspect it is each The method of reseptance of polymerization grade in possible design.

20th aspect, the application provide a kind of program product, which is characterized in that described program product includes computer journey Sequence, when the computer program is executed by the network equipment for realizing each of above-mentioned first aspect and above-mentioned first aspect The each of the notification method of polymerization grade in possible design or above-mentioned second aspect and above-mentioned second aspect possible sets The notification method of polymerization grade in meter.

20th on the one hand, and the application provides a kind of program product, which is characterized in that described program product includes computer Program, when the computer program is executed by the network equipment for realizing the above-mentioned third aspect and the above-mentioned third aspect The notification method of polymerization grade in each possible design or above-mentioned fourth aspect and above-mentioned fourth aspect it is each possible The method of reseptance of polymerization grade in design.

It, can be in the feelings for not increasing empty overhead by the notice or method of reseptance/device of the above various polymerization grades Polymerization grade information is transmitted to terminal by condition, is effectively guaranteed the efficiency of transmission eated dishes without rice or wine.

Detailed description of the invention

Fig. 1 (a) and Fig. 1 (b) is the communication system architecture schematic diagram applied in the embodiment of the present application；

Fig. 2 is a kind of polymerization grade and the schematic diagram for controlling first corresponding relationship

Fig. 3 is a kind of schematic diagram of PDCCH and PDSCH statistical multiplex；

Fig. 4 is the schematic diagram of polymerization grade erroneous detection；

Fig. 5 is that a kind of polymerization grade information provided by the present application sends and receives method flow schematic diagram；

Fig. 6 sends and receives method flow schematic diagram for another polymerization grade information provided by the present application；

Fig. 7 is one of the notice apparatus structure schematic diagram of polymerization grade in the embodiment of the present application；

Fig. 8 is two of the notice apparatus structure schematic diagram of polymerization grade in the embodiment of the present application；

Fig. 9 is three of the notice apparatus structure schematic diagram of polymerization grade in the embodiment of the present application；

Figure 10 is four of the notice apparatus structure schematic diagram of polymerization grade in the embodiment of the present application；

Figure 11 is one of the reception device structural schematic diagram of polymerization grade in the embodiment of the present application；

Figure 12 is the reception device second structural representation of polymerization grade in the embodiment of the present application；

Figure 13 is the reception device third structural representation of polymerization grade in the embodiment of the present application.

Specific embodiment

The embodiment of the present application can be applied to wireless communication system, it should be noted that the nothing that the embodiment of the present application refers to Line communication system includes but is not limited to: long evolving system (Long Term Evolution, LTE) and 5G mobile communication system The three big enhanced mobile broadbands of application scenarios (Enhanced Mobile Broad Band, eMBB) of system, super reliability is low prolongs Shi Tongxin (Ultra-Reliable and Low Latency Communications, URLLC) and large-scale machines are logical Believe (Massive Machine-Type Communications, mMTC).Or the wireless communication system can also be terminal pair Terminal (Device to Device, D2D) communication system, other communication systems, or following communication system etc..

This application involves communication device can be only fitted in communication equipment, and communication equipment mainly include the network equipment or Person's terminal.For transmitting terminal in the application if it is the network equipment, receiving end is terminal；Transmitting terminal in the application if it is Terminal, then receiving end is the network equipment.

In the embodiment of the present application, as shown in Fig. 1 (a), communication system 100 includes the network equipment 110 and terminal 112.When When cordless communication network 100 includes core net, which can also be connected with core net.The network equipment 101 may be used also To be communicated with IP network 200, for example, internet (internet), privately owned IP network or other data networks etc..Network is set It is standby to provide service for the terminal in coverage area.For example, with reference to shown in Fig. 1 (a), the network equipment 110 is that the network equipment 110 covers One or more terminals within the scope of lid provide wireless access.In addition to this, the coverage area between the network equipment may exist The region of overlapping, such as the network equipment 110 and 120.It can be can communicate with each other, for example, the network equipment between the network equipment 110 can be communicated between the network equipment 120.

It is described due to can be used in the embodiment of the present application when the network equipment 110 or terminal 112 send information or data Polymerization grade sending method, for convenience of describing, communication system 100 is reduced to as shown in Fig. 1 (b) by the embodiment of the present application The system including transmitting terminal 102 and receiving end 101.Transmitting terminal 102 is terminal 112, and receiving end 101 can be the network equipment 110；Alternatively, transmitting terminal 102 is the network equipment 110, receiving end 101 is terminal 112.The network equipment 110 can be for end Hold the equipment communicated.For example, it may be in LTE system evolved base station (Evolved Node B, eNB or ENodeB), the network side equipment (gNodeB, gNB) in 5G network, the network side communicated in other networks with terminal are set Network side equipment etc. in standby or future network.Or the network equipment can also be relay station, access point, mobile unit Deng.In terminal in terminal (Device to Device, D2D) communication system, which, which can also be, serves as base station function The terminal of energy.Terminal may include the various handheld devices with wireless communication function, mobile unit, wearable device, calculating Equipment or be connected to radio modem other processing equipments and various forms of user equipment (user Equipment, UE), mobile station (mobile station, MS) etc..

In the 5th generation (5^thGeneration, 5G) wireless communication in, PDCCH different polymerization grades has the characteristics that nesting, I.e. starting point is identical.As shown in Fig. 2, each grid in figure in polymerization grade AL=1 is 1 CCE, oblique line portion is The CCE that PDCCH is occupied, it can be seen that one PDCCH occupies 2 CCE when AL=2, and one PDCCH occupies 4 when AL=4 One PDCCH occupies 8 CCE when a CCE, AL=8, and one PDCCH occupies 16 CCE when AL=16.Usual PDCCH Transmitting terminal be the network equipment, receiving end is terminal.

In the frame structure of LTE, the symbolic number that down control channel occupies is 3, this is fixed, but in 5G, in order to Resource is more effectively utilized, 5G also supports the statistical multiplex of control and data resource, this is the difference with LTE, such as Fig. 3 In example, control channel PDCCH and Physical Downlink Shared Channel (physical downlink shared channel, PDSCH) share physical transfer resource in a manner of the time-division, the resource that wherein PDCCH is occupied in situation one is less than in situation two The resource that PDCCH is occupied, it means that there are more resources to can be used for PDSCH channel transmission data in situation one.And situation PDCCH occupies more resource in two, can support the use for transmitting more user's control data or support poor channel Family controls information transmission.

This dynamic multiplex mode improves the service efficiency of resource, but brings another question.In AL=8 and When 16, it is possible that polymerization grade mismatches and decodes correct phenomenon.Such as some terminal that the network equipment is sent The polymerization grade of PDCCH is 16, and code length is 1728 at this time, is compiled to control channel by polarization (polar) coding mode in 5G Code arrives N=512, then repeats to 1728.It is decoded if UE attempts polymerization grade for 8, code length 864, i.e., only detection should The resource of PDCCH front half section.It is equivalent at this time and receives duplicate information, it, still can be correct when channel quality is good enough Decoding.Terminal determines that PDCCH has only taken up the resource that polymerization grade is 8, as shown in figure 4, terminal will when being decoded It is remaining all to carry out solution rate-matched and decoding as the resource of PDSCH, it is clear that will lead to data decoding failure in this way, cause Additional re-transmission, affects overhead.

In fact, in LTE, it is also possible to this PDCCH for just solving right AL=16 when blind examination AL=8 occur The case where, but due to control channel and the stringent multiplexing relationship of data channel, it will not influence the detection of data channel.But in 5G In the system of the even following flexible configuration control channel of system and data channel multiplexing relationship, this problem is affected, it is necessary to To method solution, that is, need polymerization grade used by notifying receiving end.

One relatively straightforward means is that one polymerization grade instructions field of increase, this instructions field can be in DCI information It only with 1 bit indicates polymerization grade information, detects that obscure is exactly 8 this is because having now been found that and polymerization grade occurring And between 16, can be equal to 0 with the bit in this way indicates that polymerization grade is 1,2,4 or 8, and being equal to 1 with the bit indicates to polymerize Grade 16, or conversely, the bit, which is equal to 1, indicates that polymerization grade is 1,2,4 or 8, and being equal to 0 with the bit indicates polymerization etc. Grade 16.Certainly, this is only to illustrate, and there are also other combinations, as long as 8 and 16 can be distinguished, polymerization grade 1,2, 4 can combine with any one polymerization grade in { 8,16 }, for example, it is also possible to be with the bit be equal to 0 indicate polymerization grade 1, 2 or 8, and the bit is equal to 1 expression 4 or 16.For simplicity, it no longer enumerates one by one here.Or more ratios can also be used Spy indicates polymerization grade, can so indicate that following more there may be the polymerization grades obscured, such as polymerization grade 32.For example, two bits of the instructions field, use 00 indicate polymerization grade 1,2,4 or 8, use 01 indicates polymerization grade 16, with 10 Indicate polymerization grade 32,11 be reservation state, indicate similar with 1 bit, polymerization grade 1,2,4 can in { 8,16,32 } The combination of any one polymerization grade.In this way terminal according to polymerization grade 8 detect polymerization grade be 16 PDCCH content when, Or actually can clearly know current polymerization grade 8 16 according to this polymerization grade instructions field in DCI, thus Such misunderstanding in Fig. 4 will not be generated.

Although the method for this explicit instruction is intuitive, valuable empty overhead is undoubtedly increased, therefore one can be designed The method of a little implicit instructions, not only informs terminal for polymerization grade in this way, but also not will increase empty overhead, does not influence to eat dishes without rice or wine to pass Defeated spectrum efficiency.

No matter explicit or implicit mode, terminal reads the terminal pair according to principle same with transmitting terminal in receiving end The polymerization grade answered.

Method one:

This method is the cyclic redundancy check (CRC) bit using control channel itself, and the scrambling of polymerization grade information is arrived On CRC bit.Step S510a to S540 in Fig. 5 gives possible transmitting terminal (network equipment) embodiment, this A little steps give an example of the notification method of polymerization grade, and S660 to S680 is the operation of receiving end, give polymerization One example of the method for reseptance of grade.

Step S510a: the network equipment obtains the DCI bit sequence of terminal and the CRC bit sequence of the DCI.

The CRC bit sequence for paying attention to here is possible to and DCI bit sequence weave in, such as in 5G, downlink DCI bit sequence and CRC bit sequence will do it intertexture to obtain the beneficial effect early stopped.But be not specifically limited here, Or CRC bit is placed on behind DCI bit, this representation is but not influence this Shen to more easily be described Essence please.

Step S510b: the network equipment obtains the polymerization grade of the terminal.

The step and S510a have no specific sequencing.Specific acquisition modes the application is without limitation.

Step S520: the network equipment scrambles CRC bit sequence according to the corresponding polymerization grade information of polymerization grade.

Assuming that CRC bit shares n_CRCA, i.e., the length of CRC bit sequence is n_CRC, n_CRCFor positive integer, wherein being used for quilt The scrambled bit number of polymerization grade information is X, and X is less than or equal to n_CRCPositive integer.

, can be simultaneously there are many information scrambling for longer CRC bit sequence, different information is scrambled different On CRC bit, it is noted that the same CRC bit, can only be scrambled by a kind of information.For example, part CRC bit can be different Radio network temporary identifier (RNTI) scrambling of terminal is for distinguishing different terminals, or can be added by different sequences It disturbs to distinguish different antenna port quantity, etc..As long as so CRC bit is not applied to other information scrambling, so that it may It is scrambled for polymerization grade information.For example, polymerization grade information and RNTI information are used to scramble CRC bit, then can be used for The scrambled CRC bit number of polymerization grade information is n_CRC-n_RNTI, wherein n_RNTIFor the length of the RNTI of terminal, n_RNTIIt is positive whole Number, then X is less than or equal to n_CRC-n_RNTI。

In 5G system, it is contemplated that the polar code of down control channel detects characteristic, introduces morning according to the characteristics of CRC Stop the concept of (early termination), so it is all to choose from back to front that scrambled bit is used in CRC bit sequence, For example, the scrambling of RNTI information is in last n_RNTIOn a CRC bit, that is, scrambling to n-th_CRC-n_RNTI+ 1 to n-th_CRCA CRC On bit, then the polymerization grade information of X bit can be scrambled to n-th_CRC-n_RNTI- X+1 to n-th_CRC-n_RNTIIt is a described On CRC bit.Specifically, in eMBB scene, n_CRC=24, n_RNTI=16, therefore X is less than or equal to 8.

Table 1 gives the corresponding relationship of value and the length of specific X between the scramble sequence and polymerization grade of X Example, the scramble sequence that these length are X can be used as polymerization grade information, scramble onto corresponding CRC bit.Here still By taking eMBB scene as an example, i.e., X maximum can take 8.For example, the length for scrambling CRC is adding for X=4 when X takes 4 It is 2,1010 corresponding polymerization grades is 4,0000 to correspond to and gather that disturb the corresponding polymerization grade of sequence 0011, which be 1,0101 corresponding polymerization grade, Conjunction grade is that 8,1111 corresponding polymerization grades are 16, other and so on.

Table 1

Polymerization grade	X=1	X=2	X=3	X=4	X=5	X=6	X=7	X=8
									1	0	00	001	0011	00111	000111	0001111	00001111
2	0	00	010	0101	01010	010101	0101010	01010101
									4	0	01	101	1010	10101	101010	1010101	10101010
8	0	10	000	0000	00000	000000	0000000	00000000
									16	1	11	111	1111	11111	111111	1111111	11111111
Retain

As can be seen from Table 1: when except X=8 for the corresponding sequence of different polymerization grades to removing quilt in CRC bit sequence Preceding 8 bits are all scrambled outside scrambled last 16 bits of RNTI information, other are before selection CRC in 8 bits Partial bit scrambling can also be than scrambling as the aforementioned to the last X bit in 8 CRC bits to most preceding X Bit scramble, to intermediate continuous X bit scramble, or to the X bit scramble that interval takes.It in contrast, can be preferred Last X bit, the polymerization grade that the value of X is distinguished as needed determine that X is more than or equal to log₂(L), L is to need to distinguish Polymerization grade number.In the eMBB scene of 5G, it is contemplated that need CRC Bit Interleave realizing blind examination after DCI coding Early stop, and influence mainly preceding 3 bits early stopped, therefore preferably take X bit forward from the 8th, X is within 5 or 5.I.e. It polymerization grade scrambling to bit rearward, while being restricted within 5 bits or 5 bits, in this way to the influence ratio early stopped It is smaller.

It,, can also be directly with poly- when X is greater than or equal to 5 if polymerization grade is up to 16 in table 1 The binary number of grade is closed as polymerization grade information, that is, is used as scramble sequence.It can be X with length or by taking X=5 as an example It is 2,00100 correspondence polymerization grade is 4 that the corresponding polymerization grade of=5 bit sequence 00001, which be 1,00010 corresponding polymerization grade, 01000 corresponding polymerization grade be that 8,10000 correspondence polymerization grades are 16, it can be seen that the decimal representation of scramble sequence is exactly Polymerization grade.

When 2 bit scramble sequence, partially polymerized grade need to share a sequence, and the example provided in table 1 is polymerization grade 1 Scramble sequence 00 is shared with polymerization grade 2, other sharing methods can be analogized.Obscured due to polymerization grade and appears in rate-matched It therefore can be carried out just for the polymerization grade greater than 8, less than or equal to 8 for duplicate situation (code length is greater than 512) The same sequence of polymerization grade, so also giving the situation of X=1 in table 1, polymerization grade is less than or equal to 8 pairs The scramble sequence (i.e. polymerization grade information, similarly hereinafter) answered unanimously, is exemplified as { 0 } here, and the corresponding scrambling sequence of polymerization grade 16 It is classified as { 1 } or on the contrary.It is similar with explicit mode, as long as polymerization grade 8 and polymerization grade 16 can be distinguished, polymerization Grade 1,2,4 can use same sequence with any one polymerization grade in { 8,16 }, for example, it is also possible to be with sequence { 0 } Indicate polymerization grade 1,2 or 8, and sequence { 1 } indicate 4 or 16, this principle be also applied for X be other values sequence with polymerize Corresponding relationship between grade is no longer enumerated one by one here for simplicity.In short, the polymerization grade of each terminal is multiple One in polymerization grade, and each polymerization grade information is different in multiple polymerization grades or partially polymerized class information not Together.

For remaining bit before CRC in 8 bits, the explanation of example shown in table 2, polymerization grade and scrambling can also be used The example of the corresponding relationship of sequence is as shown in table 2, and a, e indicate that the bit does not have to or to repeat in table, such as with 1 bit scramble, Then sequence is 0 and 1 or 1 and 0；2 bits are 00 and 11 or 11 and 00；3 bits are 000 and 111 or 111 and 000； 4 bits are 0000 and 1111 or 1111 and 0000；5 bits are 00000 and 11111 or 11111 and 00000, successively class It pushes away.This is actually a more robust embodiment of X=1 in table 1.Table 3 gives the representation and X according to table 2 =4 example, table 4 give the example of representation and X=5 according to table 2.It similarly, as long as can be by 8 He of polymerization grade Polymerization grade 16 is distinguished, and polymerization grade 1,2,4 can be with any one polymerization grade in { 8,16 } using same scrambling Sequence.

Table 2

Polymerization grade	Scramble sequence
		1/2/4/8	a a a a a a a 0
16	e e e e e e e 1
		Retain

Table 3

Polymerization grade	Scramble sequence
		1/2/4/8	0 0 0 0
16	1 1 1 1
		Retain

Table 4

Polymerization grade	Scramble sequence
		1/2/4/8	1 1 1 1 1
16	0 0 0 0 0
		Retain

It such as needs to indicate more polymerization grades in the future, such as 32, can continue to add new add on the basis of existing sequence Sequence is disturbed, as shown in table 5.

Table 5

Polymerization grade	Scramble sequence
		1/2/4/8	0 0 0 0
16	1 1 1 1
		32	0 1 0 1
Retain

Step S530: the network equipment obtains CRC bit sequence and DCI bit sequence progress channel coding after scrambling Sequence after channel coding.

In the eMBB scene of 5G, the channel coding of control channel uses polarization code, but the application is not limited to this, other letters Road coding mode is applicable in the same old way, such as low-density check (low density parity check, LDPC) code, enhancing turbine (turbo) code etc..

Step S540: the network equipment sends the sequence after channel coding.

It is noted that the sequence after channel coding before really by transmission of eating dishes without rice or wine, will also be subjected to include but unlimited In at least one of following operation: rate-matched, cell scrambling, modulation, resource impact, inverse Fourier transform, digital-to-analogue become It changes, frequency conversion etc..Which is not described herein again.

In this way, the different polymerization grades obscured are easily caused and correspond to different scramble sequences for scrambling CRC Bit, so that receiving end will not be misread.When the network equipment sends the PDCCH for being polymerized to 16 to terminal, the terminal blind examination When, go descrambling then to need use polymerization grade for 8 corresponding scramble sequences progress CRC descramblings according to polymerization grade 8, due to add Mismatch is disturbed, CRC can not avoid obscuring for polymerization grade by verification.According to the scrambling of different polymerization grades when terminal blind examination Sequence carries out descrambling and CRC check, verifies the as correct polymerization grade passed through, carries out subsequent PDSCH inspection accordingly It surveys.

Scramble data or freeze bit mode it is more, such as from the similar sequence of scrambling CRC bit and different poly- It closes grade to correspond to, the partial data bit scrambled to DCI perhaps freezes to generate pseudo-random sequence on bit or using RNTI It scrambles data or freezes on bit, similar effect may be implemented.

After sequence after channel coding is sent by channel (can be wirelessly be also possible to wired), receiving end (terminal) By include but is not limited to frequency conversion, analog to digital conversion, Fourier transformation, resource inverse mapping etc. operation after obtain it is to be decoded wait descramble Sequence, carry out the operation of step S560 to the S580 in such as Fig. 5, these steps give the method for reseptance of polymerization grade An example.

Step S560: terminal is obtained wait descramble sequence to be decoded.

It should be pointed out that descrambling here refers to using polymerization grade information on CRC bit with this method transmitting terminal It carries out scrambling corresponding inverse operation, decoding is inverse operation corresponding with transmitting terminal coding.Since terminal is blind examination, thing to PDCCH It first need to only know and support how many a polymerization grades, therefore not have the behaviour similar to S510b as transmitting terminal here Make.

Step S570: it is blind that descrambling sequence progress to be decoded is treated according to the corresponding polymerization grade information of various polymerization grades Inspection.

According to the method in advance with transmitting terminal agreement, when blind examination, is corresponding according to different polymerization grades for receiving end (terminal) The trial of polymerization grade information is detected, and verification can carry out the inspection of subsequent PDSCH by then thinking that polymerization grade matches It surveys.In the method, receiving end needs to obtain the corresponding CRC scramble sequence of different polymerization grade information and scrambling position, with Descrambled (scrambling sequence is consistent with scramble sequence) accordingly, thus obtained after verification passes through correct polymerization grade, really The resource and correct decoding for recognizing PDCCH occupancy are unlikely to generation polymerization grade and obscure.

Step S580: the blind examination result that output passes through verification.

Terminal carries out the parsing of PDCCH content according to the blind examination result by verification and carries out downlink according to the content of parsing The detection and/or uplink of data.

Method two:

This method be sequence after to rate-matched and before modulation carry out the scrambled scramble sequence of cell into When row initialization, polymerization grade information is included in the formula of initialization.Fig. 6 gives a possible embodiment, wherein Step S610a to S630 is the operation of transmitting terminal, gives an example of the notification method of polymerization grade, S660 to S680 For the operation of receiving end, an example of the method for reseptance of polymerization grade is given.

Step S610a: the network equipment obtains the Downlink Control Information DCI bit sequence after the rate-matched of terminal.

DCI bit sequence after rate-matched described here has already been through CRC coding, channel coding, rate-matched Etc. first step, i.e., cell scrambling will be carried out, to distinguish the transmission between different community.

Step S610b: the polymerization grade of network equipment acquisition terminal；

The step and S610a have no specific sequencing.Specific acquisition modes the application is without limitation.

Step S620: the network equipment is according to the corresponding polymerization grade information of polymerization grade to the DCI bit after rate-matched Sequence scrambled after sequence.

In LTE and 5G agreement, carrying out scrambled sequence to the DCI bit sequence after rate-matched is according to initialization Sequence seed uniquely determines.The application utilizes this point, improves to the value of initialization sequence seed, specifically:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod2³¹

Wherein, n_ALFor the polymerization grade information, n_RNTIFor the cell-radio network temporary identifier of the terminal (CRNTI), n_IDFor cell identification number (Cell ID) or control scrambling identifier (Control-scrambling- Identity), Y is positive integer.The value of Y is similar with the X in method one, or the value of X directly simply can be assigned to Y, Y It is the bit number that uses to distinguish different polymerization grade information, such as Y can be as n_{AL, max}With the digit of binary representation, n_{AL, max}For n_ALMaximum value.In practical application, the formula of this initialization sequence seed might have the different forms of expression, It may also include that more parameters still will follow the principle of the application, that is, want energy but as long as being related to polymerization grade information Different polymerization grade information is accurately distinguished, and is not obscured with the generation of the value of other parameters.

Similar with method one, polymerization grade information is the value or the corresponding number of polymerization grade of polymerization grade, such as table 1 In sequence in any one corresponding column of different X all can serve as polymerization grade number binary representation, and it is poly- Grade is closed to correspond, still by taking X=4 as an example, n_AL=0011 (binary system) or n_ALThe corresponding polymerization grade of=3 (decimal systems) is 1, n_AL=0101 (binary system) or n_ALThe corresponding polymerization grade of=5 (decimal systems) is 2, n_AL=1010 (binary systems) or n_AL=10 (ten System) corresponding polymerization grade is 4, n_AL=0000 (binary system) or n_ALThe corresponding polymerization grade of=0 (decimal system) is 8, n_AL= 1111 (binary systems) or n_ALThe corresponding polymerization grade of=15 (decimal systems) is 16, here n_{AL, max}It is 15, so Y=4, with X phase Deng.

If n_ALIt is directly taken as the binary number of the value of polymerization grade, if that the maximum polymerization grade to be indicated is 16, need X=5, Y=5.

Similarly, or using and method it is a kind of as principle, n can also be used_AL=1 or n_AL=0 distinguishes polymerization grade 8 and polymerization grade 16, and polymerization grade 1,2,4 uses identical n with any one polymerization grade in { 8,16 }_AL, this Sample n_{AL, max}It is 1, then Y=1.Such as polymerization grade is less than or equal to 8 corresponding n_ALUnanimously, it is taken as 0, and polymerization grade 16 Corresponding n_ALIt is taken as 1 or on the contrary.It can also be and use n_AL=0 expression polymerization grade 1,2 or 8, and n_AL=1 indicates 4 or 16, This principle is also applied for the n that X is other values_ALBinary representation and polymerization grade between corresponding relationship.In short, each The polymerization grade of terminal is one in multiple polymerization grades, and in multiple polymerization grades each polymerization grade information it is different or The partially polymerized class information of person is different.

The network equipment initializes the seed of scramble sequence according to improved formula, scramble sequence is obtained, then to rate DCI bit sequence after matching is scrambled, the sequence after being scrambled.

Step S630: the sequence after sending the scrambling.

It is noted that the sequence after channel coding before really by transmission of eating dishes without rice or wine, will also be subjected to include but unlimited In at least one of following operation: modulation, resource impact, inverse Fourier transform, digital to analog conversion etc..Which is not described herein again.

In this way, the different polymerization grades obscured are easily caused and correspond to different cell scramble sequence initialization kind Son, namely different cell scramble sequences is used, so that receiving end will not be misread.When network equipment transmission is polymerized to 16 PDCCH to terminal, when the terminal blind examination, go descrambling then to need to use polymerization grade for 8 corresponding scramblings according to polymerization grade 8 Sequence is descrambled, and due to mismatching with scrambling, can make decoding that can not avoid obscuring for polymerization grade by verification.Terminal Cell descrambling and verification are carried out according to the scramble sequence of different polymerization grades when blind examination, verify the as correctly polymerization passed through Grade carries out subsequent PDSCH detection accordingly.

After sequence after channel coding is sent by channel (can be wirelessly be also possible to wired), receiving end (terminal) By include but is not limited to frequency conversion, analog to digital conversion, Fourier transformation, resource inverse mapping etc. operation after obtain it is to be decoded wait descramble Sequence, carry out such as Fig. 6 in step S660 to S680 operation.

Step S660: terminal is obtained wait descramble sequence to be decoded.

It should be pointed out that descrambling here is different from method one, refer to utilizing polymerization grade with this method transmitting terminal Information carrys out the seed of initial cell scramble sequence and generates scramble sequence to carry out the corresponding inverse operation of cell scrambling, decoding It is inverse operation corresponding with transmitting terminal coding.Since terminal is blind examination to PDCCH, it need to only know support how many polymerizations in advance Grade, therefore do not have the operation similar to S610b as transmitting terminal here.

Step S670: various polymerization grades are attempted and carry out treating descrambling sequence progress blind examination to be decoded.

It is tasted according to the method in advance with transmitting terminal agreement, when blind examination according to different polymerization grade information receiving end (terminal) Examination is detected, and verification can carry out the detection of subsequent PDSCH by then thinking that polymerization grade matches.In the method, Receiving end needs to obtain the initialization seed of the corresponding cell scramble sequence of different polymerization grade information, to generate difference Cell scramble sequence, to be descrambled (scrambling sequence is consistent with scramble sequence) accordingly, to be obtained after verification passes through The resource and correct decoding that correct polymerization grade, confirmation PDCCH are occupied, are unlikely to generation polymerization grade and obscure.

Step S680: the blind examination result that output passes through verification.

Method three:

It is similar with method two, the polymerization grade information of terminal is used for the generation of PDCCH demodulated reference signal, demodulation ginseng Examining signal is a pseudo-random sequence, the sequence can by include it is following at least one but be not limited to parameters described below formula it is raw At: notation index, time slot index, cell identification number, terminal RNTI and n_AL.As described above, n_ALIt is polymerization grade information, tool (such as the sequence in table 1 can be used as n to the value or the number of polymerization grade that body is polymerization grade_ALBinary representation)

Certainly, it still has to include parameter n in order to distinguish different polymerization grades, when generating the sequence_AL's.Tool The n of body_ALObtaining value method and method two it is consistent, repeat no more.

Since the reference signal sequence that different polymerization grades use is different.When the network equipment send be polymerized to 16 PDCCH, If it is assumed that polymerization grade is 8 when terminal blind examination, then the reference signal for using polymerization grade to generate for 8 carries out channel estimation, by In the mismatch of reference signal, channel estimation will appear mistake, thus can not correct decoding, thus effectively avoid polymerizeing Grade is obscured.This principle is used for reference signal generation so that it is consistent for solving the principle of RNTI confounding issues with by RNTI 's.

Method four:

In existing LTE and 5G scheme, the bit after rate-matched carries out cell with pseudo-random sequence before modulation and adds It disturbs, is shown below:

Wherein, b (i) is the bit after rate-matched, and c (i) is pseudo-random sequence.Obscure one of polymerization grade the reason is that DCI rate-matched is when repeating, and the coded-bit of different polymerization grades is nested, while the scrambled sequence of coded-bit Be it is nested, be shown below.

In order to solve this problem, it other than change sequence initialization seed, can also use down described in the method two The method in face: in scrambling, scramble sequence is carried out by the mapping of same or different sequence according to polymerization grade or circulation is moved Position reuses, and can solve the problem of polymerization grade is obscured.For example, all using scramble sequence sequence in turn, that is, it polymerize The information of grade is embodied by the reading order of scramble sequence, is shown below:

Wherein, M_ALIt is the code length under corresponding polymerization grade, i.e. total coding bit number.It is shown below, the anti-mistake of scramble sequence Come after, although coded-bit be it is nested, scramble sequence is no longer nested.At this point, the knot that different polymerization grades descramble out Fruit is different, and terminal is descrambled in blind examination according to some polymerization grade, if the polymerization grade with transmission mismatches, descrambles Data out can not correct decoding, to efficiently avoid obscuring for polymerization grade.

Method five:

For thinking same as method four, but this method does not change following the example of for scramble sequence, but changes DCI content It follows the example of, such as different intertexture or cyclic shift is carried out according to different polymerization grade information to the bit after rate-matched, Different deinterleaving or inverse cyclic shift are attempted when the blind examination of receiving end according to different polymerization grades, if polymerization grade is not Matching, then selected resource is the resource after intertexture or cyclic shift, since resource sequence and transmitting terminal mismatch, nothing Method correct decoding, so that distinguishing different polymerization grades is effectively prevented from obscuring for polymerization grade 8 and 16.The friendship specifically used The number of pattern or the type of cyclic shift are knitted, it can be with reference to n in preceding embodiment_ALFollow the example of, principle is completely the same , it repeats no more.

Method five can be used alone, and can also be used in combination with method four.

As the popularization of method five, it is also based on the signal sequence of same principle after modulation and is mapped to running time-frequency resource Different mapping methods was used according to different polymerization grade information when upper, it is also possible that will not generate when terminal blind examination poly- Close obscuring for grade.

Method six:

Obscuring in view of polymerization grade is because the repetition to DCI information can be according to polymerization in rate-matched The different repetition starting point of hierarchical selection, or various sizes of cyclic shift is carried out after repeating, i.e., polymerization grade information is difference Repetition starting point or cyclic shift different sizes.

Terminal needs to carry out solution rate-matched according to corresponding polymerization grade in blind examination, as reacting cycle shift operation, If receiving end use cyclic shift and transmitting terminal mismatch, solve rate-matched failure, can not correct decoding, thus area Divide different polymerization grades.

The type of the size of the number or cyclic shift of the repetition starting point specifically used, can be with reference in preceding embodiment n_ALFollow the example of, principle be it is completely the same, repeat no more.

It is corresponding with the above method, receiving end (terminal) only need to according to the method in advance with transmitting terminal agreement, when blind examination according to Different polymerization grade information trials are detected, and verification can be confirmed that PDCCH is occupied by then thinking that polymerization grade matches Resource, to carry out the detection of subsequent PDSCH.In this way, i.e. it is believed that obtaining correctly polymerization etc. after verification passes through Grade is unlikely to generate and obscure.

The same inventive concept of notification method based on Fig. 5 or polymerization grade shown in fig. 6, as shown in fig. 7, the application is real It applies and a kind of notice device 700 of polymerization grade is also provided in example, the notice device 700 of the polymerization grade is for executing Fig. 5 or figure The notification method of polymerization grade shown in 6.It can be with some or all of in the notification method of Fig. 5 or polymerization grade shown in fig. 6 Being realized by hardware can also be realized by software, and when passing through hardware realization, the notice device 700 of polymerization grade is wrapped It includes: input interface 701, for obtaining uplink assignation information；Logic circuit 702, it is poly- for executing above-mentioned Fig. 5 or shown in fig. 6 The notification method of grade is closed, specifically see the description in previous methods embodiment, details are not described herein again；Output interface 703 is used Sequence (corresponding embodiment shown in fig. 5) after exports coding or sequence (the corresponding implementation shown in fig. 6 after scrambling Example).The notice device can be the network equipment.

Optionally, the notice device 700 of polymerization grade can be chip or integrated circuit in specific implementation.

Optionally, when being realized some or all of in the notification method of the polymerization grade of above-described embodiment by software When, as shown in figure 8, the notice device 800 of polymerization grade includes: memory 801, for storing program；Processor 802, is used for Execute the program that memory 801 stores, when program is performed so that the notice device 800 of polymerization grade may be implemented it is above-mentioned The notification method for the polymerization grade that Fig. 5 or 6 corresponding embodiments provide.Notify device 800 can also be including transceiver (in figure not Draw), for the sequence after sending the sequence after encoding (corresponding embodiment shown in fig. 5) or scrambling (shown in corresponding diagram 6 Embodiment).The notice device can be the network equipment.

Optionally, above-mentioned memory 801 can be physically separate unit, can also be integrated in one with processor 802 It rises.

Optionally, soft when passing through some or all of in the notification method of above-mentioned Fig. 5 or the polymerization grade of 6 corresponding embodiments When part is realized, the notice device 800 of polymerization grade can also only include processor 802.For storing the memory 801 of program Except the notice device 800 of polymerization grade, processor 802 is connect by circuit/electric wire with memory 801, for reading And execute the program stored in memory 801.The notice device is the network equipment.

Processor 802 can be central processing unit (central processing unit, CPU), network processing unit The combination of (network processor, NP) or CPU and NP.

Processor 802 can further include hardware chip.Above-mentioned hardware chip can be specific integrated circuit (application-specific integrated circuit, ASIC), programmable logic device (programmable Logic device, PLD) or combinations thereof.Above-mentioned PLD can be Complex Programmable Logic Devices (complex Programmable logic device, CPLD), field programmable gate array (field-programmable gate Array, FPGA), Universal Array Logic (generic array logic, GAL) or any combination thereof.

Memory 801 may include volatile memory (volatile memory), such as random access memory (random-access memory, RAM)；Memory 801 also may include nonvolatile memory (non-volatile ), such as flash memory (flash memory), hard disk (hard disk drive, HDD) or solid state hard disk memory (solid-state drive, SSD)；Memory 801 can also include the combination of the memory of mentioned kind.

The same inventive concept of notification method based on polymerization grade shown in Fig. 5 corresponding embodiment, as shown in figure 9, this A kind of structural schematic diagram of the notice Installation practice of polymerization grade, the notice of the polymerization grade are also provided in application embodiment Device may include: to obtain module 901, scrambling module 902, coding module 903, sending module 904.Module 901 is obtained to be used for The corresponding method of step S510a and S510b is executed, scrambling module 902 encodes mould for executing the corresponding method of step S520 Block 903 executes the corresponding method of step S530, and sending module 904 is for executing the corresponding method of step S540.The notice device It can be the network equipment.

The same inventive concept of notification method based on polymerization grade shown in Fig. 6 corresponding embodiment, as shown in Figure 10, this A kind of structural schematic diagram of the notice Installation practice of polymerization grade, the notice of the polymerization grade are also provided in application embodiment Device may include: to obtain module 1001, scrambling module 1002, sending module 1003.Module 1001 is obtained for executing step The corresponding method of S610a and S610b, scrambling module 1002 are used for executing the corresponding method of step S620, sending module 1003 In the corresponding method of execution step S630.The notice device can be the network equipment.

It should be noted that in Fig. 9 and 10 and being not drawn into determining including but not limited to running time-frequency resource and mapping block, modulation Some or all of module commonly used in the prior art such as module, D/A converter module, frequency-variable module.

The same inventive concept of method of reseptance based on polymerization grade shown in Fig. 5, Fig. 6 and each embodiment is such as schemed A kind of reception device 1100 of polymerization grade, the reception device of the polymerization grade are also provided shown in 11, in the embodiment of the present application 1100 are used for the method for reseptance of polymerization grade.It can lead to some or all of in the method for reseptance of polymerization grade shown in Figure 11 Hardware is crossed to realize and can also realize by software, when passing through hardware realization, the reception device 1100 of polymerization grade is wrapped It includes: input interface 1101, for obtaining wait descramble sequence to be decoded；Logic circuit 1102, for executing connecing for polymerization grade Receiving method carries out blind examination wait descramble sequence to be decoded to described according to the corresponding polymerization grade information of various polymerization grades, Specifically see the description in previous methods embodiment, details are not described herein again；Output interface 1103, for exporting according to different Polymerization grade carries out the signal after blind examination.The reception device can be terminal.

Optionally, the reception device 1100 of polymerization grade can be chip or integrated circuit in specific implementation.

Optionally, when being realized some or all of in the method for reseptance of the polymerization grade of above-described embodiment by software When, as shown in figure 12, the reception device 1200 of polymerization grade includes: memory 1201, for storing program；Processor 1202, For executing the program of the storage of memory 1201, when program is performed, allow the reception device 1200 of polymerization grade real The method of reseptance of existing polymerization grade provided by the above embodiment.Reception device 1200 can also include that transceiver (is not drawn in figure Out), for receiving the signal eated dishes without rice or wine.The reception device can be terminal.

Optionally, above-mentioned memory 1201 can be physically separate unit, can also be integrated in processor 1202 Together.

Optionally, when passing through software realization some or all of in the method for reseptance of the polymerization grade of above-described embodiment, The reception device 1200 of polymerization grade can also only include processor 1202.Memory 1201 for storing program is located at poly- Except the reception device 1200 for closing grade, processor 1202 is connect by circuit/electric wire with memory 1201, for reading simultaneously Execute the program stored in memory 1201.

Processor 1202 can be central processing unit (central processing unit, CPU), network processing unit The combination of (network processor, NP) or CPU and NP.

Processor 1202 can further include hardware chip.Above-mentioned hardware chip can be specific integrated circuit (application-specific integrated circuit, ASIC), programmable logic device (programmable Logic device, PLD) or combinations thereof.Above-mentioned PLD can be Complex Programmable Logic Devices (complex Programmable logic device, CPLD), field programmable gate array (field-programmable gate Array, FPGA), Universal Array Logic (generic array logic, GAL) or any combination thereof.

Memory 1201 may include volatile memory (volatile memory), such as random access memory (random-access memory, RAM)；Memory 1201 also may include nonvolatile memory (non-volatile ), such as flash memory (flash memory), hard disk (hard disk drive, HDD) or solid state hard disk memory (solid-state drive, SSD)；Memory 1201 can also include the combination of the memory of mentioned kind.

The same inventive concept of method of reseptance based on polymerization grade shown in Fig. 5 or Fig. 6 corresponding embodiment, such as Figure 13 institute Show, a kind of structural schematic diagram of the reception device embodiment of polymerization grade is also provided in the embodiment of the present application, the polymerization grade Reception device may include: to obtain module 1301, blind examination module 1302.Obtain module 1301 for execute step S560 or The corresponding method of S660, blind examination module 1302 be used to execute S670 in S570 and S580 or Fig. 6 in block diagram 5 and The corresponding method of S680.The device can be terminal.

It should be noted that in Figure 13 and being not drawn into including but not limited to demodulation module, analog-to-digital conversion module, frequency-variable module Etc. part or all of module commonly used in the prior art, before testing, the operation such as analog to digital conversion, frequency conversion is also carried out.

It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented on readable storage medium storing program for executing (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.The computer instruction can also be from a computer readable storage medium to another computer-readable storage Medium transmission, for example, the computer instruction can be from a web-site, computer, server or data center by having Line (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode are to another A web-site, computer, server or data center are transmitted.

The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computers Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices To generate a machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram Device.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that instruction stored in the computer readable memory generation includes The manufacture of command device, the command device are realized in one box of one or more flows of the flowchart and/or block diagram Or the function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer Or the instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or box The step of function of being specified in figure one box or multiple boxes.

Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So the following claims are intended to be interpreted as includes Preferred embodiment and all change and modification for falling into the application range.

Obviously, those skilled in the art can carry out various modification and variations without departing from this Shen to the embodiment of the present application Please embodiment spirit and scope.In this way, if these modifications and variations of the embodiment of the present application belong to the claim of this application And its within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.

Claims

1. a kind of notification method of polymerization grade characterized by comprising

The network equipment obtains the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check (CRC) bit sequence of the DCI Column；

Obtain the polymerization grade of the terminal；

The CRC bit sequence is scrambled according to the polymerization grade of the terminal corresponding polymerization grade information；

Sequence to the CRC bit sequence and DCI bit sequence progress channel coding after scrambling, after obtaining channel coding；

Sequence after exporting the channel coding.

2. method as shown in claim 1, which is characterized in that the polymerization grade information be the polymerization grade value or The corresponding bit sequence of the polymerization grade.

3. the method as shown in claims 1 or 2, which is characterized in that the polymerization grade is one in multiple polymerization grades, Each polymerization grade information difference or partially polymerized class information are different in the multiple polymerization grade.

4. the method as shown in any one of claim 1-3, which is characterized in that according to the polymerization grade information to described CRC bit sequence is scrambled are as follows: the network equipment scrambles the polymerization grade information to n-th_CRC-n_RNTI- X+1 to n_CRC-n_PNTIOn a CRC bit, wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFor the wireless network of the terminal The length of network temporary identifier RNTI, X are less than or equal to n_CRC-n_RNTIPositive integer.

5. the method as shown in claim 4, which is characterized in that the network equipment arrives the RNTI information scrambling of the terminal N-th_CRC-n_RNTI+ 1 to n-th_CRCOn a CRC bit.

6. the method as shown in claim 4 or 5 any one, which is characterized in that n_CRC=24, n_RNTI=16.

7. the method as shown in claim any one of 4-6, which is characterized in that X is less than or equal to 5.

8. the method as shown in claim any one of 4-7, which is characterized in that

When the polymerization grade is 1 or 2 or 4 or 8, the bit sequence that the polymerization grade information is X 0, when the polymerization When grade is 16, the polymerization grade information is the bit sequence of X a 1；Or

When the polymerization grade is 1 or 2 or 4 or 8, the bit sequence that the polymerization grade information is X 1, when the polymerization When grade is 16, the polymerization grade information is the bit sequence of X a 0.

9. a kind of notification method of polymerization grade characterized by comprising

Obtain the polymerization grade of the terminal；

The DCI bit sequence after the rate-matched is scrambled after obtaining scrambling according to the polymerization grade information of the terminal Sequence；

Sequence after exporting the scrambling.

10. the method as shown in claim 9, which is characterized in that the polymerization grade information be the polymerization grade value or The corresponding number of polymerization grade described in person.

11. the method as shown in claim 9 or 10, which is characterized in that the polymerization grade is one in multiple polymerization grades A, each polymerization grade information difference or partially polymerized class information are different in the multiple polymerization grade.

12. the method as shown in any one of claim 9-11, which is characterized in that described according to the polymerization grade information pair DCI bit sequence after the rate-matched carries out scrambled sequence are as follows: carries out to the DCI bit sequence after the rate-matched Scrambled sequence is initialized by following formula:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod 2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod 2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod 2³¹

Wherein, n_ALFor the polymerization grade information, n_RNTIFor the cell-radio network temporary identifier (CRNTI) of the terminal, NID is cell identification number (Cell ID) or control scrambling identifier (Control-scrambling-Identity), and Y is positive Integer, Y are the bit number distinguishing different polymerization grade information and using.

13. the method as shown in claim 12, which is characterized in that Y n_{AL, max}With the digit of binary representation, n_{AL, max}For n_AL Maximum value.

14. the method as shown in claim 12 or 13, which is characterized in that when the polymerization grade is 1 or 2 or 4 or 8, n_AL It is 0, when the polymerization grade is 16, n_ALIt is 1；Or

15. a kind of notice device of polymerization grade, which is characterized in that including processor, the processor is for executing following step It is rapid:

Obtain the polymerization grade of the terminal；

Sequence after exporting the channel coding.

16. the device as shown in claim 15, which is characterized in that described device further includes memory, and the memory is used for Program instruction is stored, executes the step when processor operation described program instruction.

17. the device as shown in claim 15 or 16, which is characterized in that the polymerization grade information is the polymerization grade Value or the corresponding bit sequence of the polymerization grade.

18. the device as shown in any one of claim 15-17, which is characterized in that the polymerization grade is multiple polymerizations etc. One in grade, each polymerization grade information is different in the multiple polymerization grade or partially polymerized class information is different.

19. the device as shown in any one of claim 15-18, which is characterized in that according to the polymerization grade information to institute It states CRC bit sequence to be scrambled are as follows: the processor scrambles the polymerization grade information to n-th_CRC-n_RNTI- X+1 to n_CRC-n_RNTIOn a CRC bit, wherein n_CRCFor the length of the CRC bit sequence, n_RNTIFor the wireless network of the terminal The length of network temporary identifier (RNTI), X are less than or equal to n_CRC-n_RNTIPositive integer.

20. method as claim, which is characterized in that the processor arrives the RNTI information scrambling of the terminal N-th_CRC-n_RNTI+ 1 to n-th_CRCOn a CRC bit.

21. the device as shown in claim 19 or 20 any one, which is characterized in that n_CRC=24, n_RNTI=16.

22. the device as shown in claim any one of 19-21, which is characterized in that X is less than or equal to 5.

23. the device as shown in claim any one of 19-22, which is characterized in that

24. a kind of notice device of polymerization grade, which is characterized in that including processor, the processor is for executing following step It is rapid:

Obtain the polymerization grade of the terminal；

Sequence after being scrambled according to the polymerization grade information to the DCI bit sequence after the rate-matched Column；

Sequence after exporting the scrambling.

25. the device as shown in claim 24, which is characterized in that described device further includes memory, and the memory is used for Program instruction is stored, executes the step when processor operation described program instruction.

26. the device as shown in claim 24 or 25, which is characterized in that the polymerization grade information is the polymerization grade Value or the corresponding number of the polymerization grade.

27. the device as shown in any one of claim 24-26, which is characterized in that the polymerization grade is multiple polymerizations etc. One in grade, each polymerization grade information is different in the multiple polymerization grade or partially polymerized class information is different.

28. the device as shown in any one of claim 24-27, which is characterized in that described according to the polymerization grade information Scrambled sequence is carried out to the DCI bit sequence after the rate-matched are as follows: the processor is to the DCI after the rate-matched Bit sequence carries out scrambled sequence and is initialized by following formula:

c_init=(n_RNTI·2^16+Y+n_ID·2^Y+n_AL)mod 2³¹

Or

c_init=(n_AL·2^16+Y+n_RNTI·2¹⁶+n_ID)mod 2³¹

Or

c_init=(n_RNTI·2^16+Y+n_AL·2¹⁶+n_ID)mod 2³¹

29. the device as shown in claim 28, which is characterized in that Y n_{AL, max}With the digit of binary representation, n_{AL, max}For n_AL Maximum value.

30. the device as shown in claim 28 or 29, which is characterized in that when the polymerization grade is 1 or 2 or 4 or 8, n_AL It is 0, when the polymerization grade is 16, n_ALIt is 1；Or

31. a kind of notice device of polymerization grade characterized by comprising

Input interface, for obtaining the Downlink Control Information DCI bit sequence of terminal and the cyclic redundancy check (CRC) of the DCI The polymerization grade of bit sequence and terminal；

Logic circuit, is used for and the polymerization grade based on the terminal scrambles the CRC bit sequence；After scrambling CRC bit sequence and the DCI bit sequence carry out channel coding, the sequence after obtaining channel coding；

Output interface, for exporting the sequence after the channel coding.

32. a kind of notice device of polymerization grade characterized by comprising

Input interface, for obtaining the polymerization grade of terminal；

Logic circuit, for being carried out according to the polymerization grade information of the terminal to the DCI bit sequence after the rate-matched Sequence after being scrambled；

Output interface, for exporting the sequence after the scrambling.

33. a kind of communication equipment, which is characterized in that the communication equipment includes the notice device as described in claim 15-23 And transceiver；

The transceiver is for sending the sequence after channel coding.

34. a kind of communication equipment, which is characterized in that the communication equipment includes the notice device as described in claim 24-30 And transceiver；

The transceiver is used to send the sequence after scrambling.

35. a kind of readable storage medium storing program for executing, which is characterized in that computer program is stored in the readable storage medium storing program for executing, when described For realizing the notice side of the described in any item polymerization grades of claim 1~14 when computer program is executed by the network equipment Method.

36. a kind of program product, which is characterized in that described program product includes computer program, when the computer program quilt For realizing the described in any item notification methods of claim 1~14 when the network equipment executes.