WO2019062521A1 - 一种极化编码方法、装置、电子设备及存储介质 - Google Patents
一种极化编码方法、装置、电子设备及存储介质 Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- the present invention relates to the field of communications technologies, and in particular, to a polarization encoding method, apparatus, electronic device, and storage medium.
- the fifth generation mobile communication technology (5th-Generation, 5G) enhanced mobile broadband (eMBB) scene control channel coding scheme polar code
- 5G enhanced mobile broadband
- eMBB scene control channel coding scheme polar code
- the length of the 5G code of the code code is 512 bits in the downlink and 1024 bits in the uplink.
- Massive Multiple-Input Multiple-Output Massive MIMO
- the length of the information sequence of Uplink Control Information (UCI) is greatly increased, which leads to polarization coding of UCI.
- the length of the corresponding sequence to be encoded is also proliferating, wherein the sequence to be encoded is an uplink control information payload obtained by adding a Cyclic Redundancy Check (CRC) sequence after the information sequence of the UCI (UCI payload) ).
- CRC Cyclic Redundancy Check
- the coded sequence is directly subjected to polarization coding, which will significantly reduce the uplink control. Channel performance.
- the prior art is to segment the larger sequence to be encoded, that is, after the sequence to be encoded is divided into two segments, Polarization coding is performed to ensure the performance of the uplink control channel.
- the prior art only uses a fixed segmentation strategy when performing polarization coding, that is, the sequence to be coded is segmented, or the sequence to be coded is not segmented, but only one segmentation strategy is adopted.
- the polarization coding mode reduces the performance of the uplink control channel. Therefore, there is an urgent need for a polarization coding scheme that can flexibly determine the segmentation strategy corresponding to the sequence to be encoded to ensure the performance of the uplink control channel.
- the embodiment of the invention provides a polarization coding method, a device, an electronic device and a storage medium, which are used to provide a polarization coding scheme for flexibly determining a segmentation strategy corresponding to a sequence to be encoded, so as to ensure uplink control.
- the performance of the street is not limited to a polarization coding method, a device, an electronic device and a storage medium, which are used to provide a polarization coding scheme for flexibly determining a segmentation strategy corresponding to a sequence to be encoded, so as to ensure uplink control. The performance of the street.
- a polarization coding method is disclosed in the embodiment of the present invention, and the method includes:
- the sequence to be encoded is processed correspondingly, and the processed sequence to be encoded is polarization coded.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, determining whether the length of the sequence to be encoded is greater than or equal to a preset a first length threshold, wherein the first rate threshold is greater than the second rate threshold;
- the preset first code rate threshold is 0.4.
- the method further includes:
- a first length threshold is determined according to the transmission code rate and a preset function.
- the first parameter, b is a preset second parameter, and R is a transmission code rate.
- the c is not more than 1200 and not less than 800, and the b is not more than 161 and not less than 119.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the preset second length threshold is not less than 290 and not more than 390.
- the preset second length threshold is 340.
- the preset second rate threshold is 0.2.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the third code rate threshold is 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold is 410.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- Determining whether the length of the sequence to be encoded is greater than or equal to a preset value if the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold. a fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold;
- the method further includes:
- the a is not more than 1200 and not less than 800, and the e is not more than 196 and not less than 144.
- the a is 1000 and the e is 170.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the method further includes:
- the preset fifth code rate threshold is not less than 0.2 and not more than 0.9.
- the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26 , or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not more than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, or 410, or 420, or 430, or 440, or 450.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the f is a value in the range of 500-1200
- g is a value in the range of 60-300.
- the f is 832 and the g is 200.
- the preset sixth rate threshold is 0.2.
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the parameter value, i is the preset eighth parameter value, R is the transmission code rate, and int is the rounding function.
- h is a value in the range of 500-1200
- i is a value in the range of 60-300.
- the method further includes:
- the fifth code rate threshold is located between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, where x is a value greater than 0 and less than N.
- the x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- performing corresponding processing on the sequence to be encoded includes:
- the sequence to be encoded containing the information sequence and the CRC sequence is segmented.
- a polarization encoding apparatus is disclosed in the embodiment of the present invention, and the apparatus includes:
- a determining module configured to determine, according to a length of the sequence to be encoded and a transmission code rate, a segmentation strategy corresponding to the sequence to be encoded
- an encoding module configured to perform corresponding processing on the sequence to be encoded according to the segmentation policy, and perform polarization coding on the processed sequence to be encoded.
- An embodiment of the present invention discloses an electronic device, including: a memory and a processor;
- the processor is configured to read a program in the memory, and perform the following process: determining a segmentation strategy corresponding to the sequence to be encoded according to a length of the sequence to be encoded and a transmission code rate; according to the segmentation policy, Performing corresponding processing on the sequence to be encoded, and performing polarization encoding on the processed sequence to be encoded.
- the processor is specifically configured to determine whether the transmission code rate is greater than or equal to a preset first rate threshold; if yes, determine that the sequence to be encoded is not segmented.
- the processor is specifically configured to determine, if the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, Whether the length of the sequence is greater than or equal to or greater than a preset first length threshold, wherein the first rate threshold is greater than the second rate threshold; if yes, determining to segment the sequence to be encoded, otherwise, determining The sequence to be encoded is not segmented.
- the preset first code rate threshold is 0.4.
- the processor is further configured to determine a first length threshold according to the transmission code rate and a preset first function.
- the first parameter, b is a preset second parameter, and R is a transmission code rate.
- the c is not more than 1200 and not less than 800, and the b is not more than 161 and not less than 119.
- the processor is specifically configured to determine whether the length of the sequence to be encoded is greater than or equal to a preset second length if the transmission code rate is less than or equal to or less than a preset second rate threshold. a threshold; if yes, determining to segment the sequence to be encoded, otherwise determining not to segment the sequence to be encoded.
- the preset second length threshold is not less than 290 and not more than 390.
- the preset second length threshold is 340.
- the preset second rate threshold is 0.2.
- the processor is specifically configured to determine whether the length of the sequence to be encoded is greater than or equal to a preset third length if the transmission code rate is less than or equal to a preset third rate threshold. a threshold; if yes, determining to segment the sequence to be encoded, otherwise determining not to segment the sequence to be encoded.
- the third code rate threshold is 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold is 410.
- the processor is specifically configured to determine, if the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold, Whether the length of the sequence is greater than or equal to or greater than a preset fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold; if yes, determining to segment the sequence to be encoded, otherwise, determining The sequence to be encoded is not segmented.
- the processor is further configured to determine, according to the transmission code rate and a preset second function, before determining whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold.
- Four length thresholds Four length thresholds.
- the a is not more than 1200 and not less than 800, and the e is not more than 196 and not less than 144.
- the a is 1000 and the e is 170.
- the processor is specifically configured to determine whether the transmission code rate is greater than or equal to a preset fourth rate threshold; if yes, determine not to segment the sequence to be encoded.
- the preset fourth rate threshold is 9/25.
- the processor is specifically configured to determine whether a length of the sequence to be encoded is greater than or equal to a preset fifth length threshold; if yes, determine to segment the sequence to be encoded.
- the processor is specifically configured to determine whether the transmission code rate is less than or equal to a preset fifth rate threshold; if yes, determine to segment the sequence to be encoded.
- the preset fifth code rate threshold is not less than 0.2 and not more than 0.9.
- the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26 , or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not more than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, or 410, or 420, or 430, or 440, or 450.
- the f is a value in the range of 500-1200
- g is a value in the range of 60-300.
- the f is 832 and the g is 200.
- the preset sixth rate threshold is 0.2.
- h is a value in the range of 500-1200
- i is a value in the range of 60-300.
- the processor is further configured to determine whether the length of the sequence to be encoded is less than or equal to a preset fifth length threshold; if yes, perform the step of determining to segment the sequence to be encoded.
- the fifth code rate threshold is located between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, where x is a value greater than 0 and less than N.
- the x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- the processor is specifically configured to: when the segmentation policy is to segment the sequence to be encoded, segment the information sequence in the sequence to be encoded; or include the information sequence And the sequence to be encoded of the CRC sequence is segmented.
- a computer readable storage medium storing a computer program executable by an electronic device, when the program is run on the electronic device, causes the electronic device to perform any of the above The steps of the method.
- a method, a device, an electronic device, and a storage medium are disclosed.
- the solution includes: determining a segmentation strategy corresponding to the sequence to be encoded according to a length of a sequence to be encoded and a transmission code rate; According to the segmentation strategy, the sequence to be encoded is processed correspondingly, and the processed sequence to be encoded is polarization coded.
- the segmentation policy corresponding to the sequence to be encoded may be determined according to the length of the sequence to be encoded and the transmission code rate, and the corresponding sequence is determined for different lengths of the sequence to be encoded and different transmission code rates.
- the segmentation strategy ensures the performance of the uplink control track.
- FIG. 1 is a schematic diagram of a polarization encoding process according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic flowchart of a polarization coding process according to Embodiment 1 of the present invention
- FIG. 3 is a schematic diagram of performance comparison of an uplink control channel according to Embodiment 3 of the present invention.
- FIG. 4 is a schematic diagram of performance comparison of an uplink control channel according to Embodiment 4 of the present invention.
- FIG. 5 is a schematic diagram of simulation results provided by Embodiment 5 of the present invention.
- FIG. 6 is a schematic diagram of a simulation result according to Embodiment 7 of the present invention.
- FIG. 7 is a schematic diagram of simulation results provided by Embodiment 7 of the present invention.
- FIG. 8 is a schematic diagram of a simulation result according to Embodiment 8 of the present invention.
- FIG. 9 is a schematic structural diagram of a polarization encoding apparatus according to Embodiment 13 of the present invention.
- FIG. 10 is a schematic structural diagram of an electronic device according to Embodiment 14 of the present invention.
- the embodiments are numbered for convenience of reading, for example, Embodiments 1, 2, 3, . . . , etc., but this does not mean that each embodiment is completely independent and cannot be combined, in fact each The numbered embodiments are all used to illustrate how a certain scheme is implemented, and the various embodiments can be combined as needed to achieve the desired effect.
- FIG. 1 is a schematic diagram of a polarization encoding process according to an embodiment of the present disclosure, where the method includes:
- S101 Determine, according to the length of the sequence to be encoded and the transmission code rate, a segmentation strategy corresponding to the sequence to be encoded.
- the polarization coding method provided by the embodiment of the present invention is applied to a transmitting end, and the specific sending end may be a base station or a user equipment (User Equipment, UE).
- the specific sending end may be a base station or a user equipment (User Equipment, UE).
- the Physical Uplink Control Channel (PUCCH) is used to transmit the UCI after synchronization.
- the UCI transmitted on the PUCCH includes an uplink scheduling request (SR) and a downlink.
- the transmitting end adds a CRC sequence for checking after the information sequence of the UCI, before the encoding of the UCI, in the embodiment of the present invention, to be encoded.
- the sequence includes the information sequence of the UCI and the CRC sequence for verification, that is, the sequence to be encoded is the obtained UCI payload.
- At least one length threshold and/or at least one code rate threshold are respectively set for the length of the sequence to be encoded and the transmission code rate, and for the at least one length threshold and/or at least one code.
- the rate threshold is set with a corresponding segmentation strategy, wherein the segmentation strategy segments the sequence to be encoded or the sequence to be encoded.
- the segmentation strategy corresponding to the sequence to be encoded may be determined according to the length of the sequence to be encoded and the transmission code rate, and at least one length threshold and/or at least one code rate threshold.
- S102 Perform corresponding processing on the sequence to be encoded according to the segmentation policy, and perform polarization coding on the processed sequence to be encoded.
- segmentation is performed, for example, into two segments, and the sequence to be encoded is subjected to polarization coding; if it is determined that the sequence to be encoded is not segmented Processing, directly processing the encoded sequence for polarization encoding.
- the information sequence in the sequence to be encoded may be segmented, and each segment of the information sequence after segmentation is added with a CRC, or a partial segmentation information sequence is added. CRC.
- FIG. 2 is a schematic diagram of a polarization encoding process according to an embodiment of the present invention. Specifically, an information sequence of UCI is first CRC encoded, and a CRC sequence is added after the information sequence of the UCI to obtain a coding sequence to be encoded.
- the sequence of the UCI payload is coded segmentation (Code block segmentation), and the sequence to be coded is segmented.
- the sequence to be coded is divided into two segments, which are divided into two segments.
- the sequence to be coded is subjected to polarization coding (Polar coding), and the two sequences to be coded are subjected to rate matching, and finally the coded two sequences to be coded are code-coded.
- the information sequence of the UCI may be first coded, and a bit sequence of a set length may be added to the information sequence of the UCI divided by the code block.
- the process of subsequent polarization coding is performed.
- the length of the CRC sequence is increased, which will significantly reduce the performance of the system.
- the UCI of each segment contains the CRC sequence, it is simpler in decoding. Easy to operate.
- the segmentation policy corresponding to the sequence to be encoded may be determined according to the length of the sequence to be encoded and the transmission code rate, and the corresponding sequence is determined for different lengths of the sequence to be encoded and different transmission code rates.
- the segmentation strategy ensures the performance of the uplink control track.
- segmentation of the sequence to be encoded has an effect on the Signal-to-Noise Ratio (SNR).
- SNR Signal-to-Noise Ratio
- the sending end may determine whether the transmission code rate is greater than a preset first rate threshold, and if yes, determine not to segment the sequence to be encoded. Or determining whether the transmission code rate is greater than or equal to a preset first rate threshold, and if so, determining not to segment the sequence to be encoded.
- the preset first rate threshold is 0.4.
- a transmission rate higher than 0.4 is not excluded as the first rate threshold, and segmented polarization coding is not used when the first rate threshold is exceeded.
- the segmentation strategy corresponding to the sequence to be encoded includes:
- the preset fourth rate threshold is 9/25.
- a transmission rate higher than 9/25 is not excluded as the fourth rate threshold, and segmentation polarization coding is not used when the fourth rate threshold is exceeded.
- determining the segmentation strategy corresponding to the sequence to be encoded according to the length of the sequence to be encoded and the transmission code rate includes:
- the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, determining whether the length of the sequence to be encoded is greater than or equal to a preset a first length threshold, wherein the first rate threshold is greater than the second rate threshold;
- the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, where the first rate threshold is greater than the second rate threshold
- the preset first rate threshold is 0.4
- the preset second rate threshold is 0.2
- determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- Determining whether the length of the sequence to be encoded is greater than or equal to a preset value if the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold. a fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold;
- the preset third rate threshold is 6/25
- the preset fourth rate threshold is 9/25
- SCL polarization decoding used in polarization coding
- Non-seg indicates no segmentation
- seg indicates segmentation
- R indicates transmission rate
- the horizontal axis of the coordinate system indicates the length (K) of the sequence to be encoded
- the vertical axis indicates the SNR value (S).
- the sequence to be encoded is segmented in FIG. 3, the information sequence in the sequence to be encoded is segmented, and a CRC is added to a segmentation information sequence.
- a transmission code rate is between 0.2 and 0.4
- the performance of segmentation for polarization coding is not as good as when segmentation polarization coding is not used.
- Performance so a feasible implementation may be that segmentation polarization coding is not used when the value is greater than or equal to 0.4; after the size K of the sequence to be coded is greater than a certain length threshold, the performance of the segmentation polarization coding may be obvious. It is better than non-segmented polarization coding performance, but the length threshold varies with the transmission code rate. If the proper demarcation point is not found, the piecewise polarization coding technique has no practical value in practice.
- the above analysis is a performance comparison diagram of the transmission code rate between 0.2 and 0.4, segmentation and non-segmentation.
- the transmission code rate is between 6/25 and 9/25, when the sequence to be coded is segmented.
- a CRC is added to each segmentation information sequence, the performance comparison between segmentation and non-segmentation is similar to that of FIG. 3, and details are not described herein again.
- the length threshold is very close to a diagonal line on a plan view where K is the x-axis and SNR is the y-axis. This inspires that a linear approximation can be used in the implementation to estimate the threshold.
- the method before determining whether the length of the sequence to be encoded is greater than a preset first length threshold, the method further includes:
- the rounding function can be, for example, an int function, or a floor function, and the rounding manner of the rounding function int can be set to take the whole, or take the whole, or round off and round.
- c is not more than 1200 and not less than 800, and b is not more than 161 and not less than 119. In practice, c is 1000 and b is 140.
- the method before the determining whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold, the method further includes:
- the three parameters, e is the preset fourth parameter, and R is the transmission code rate.
- a is not more than 1200 and not less than 800, and the e is not more than 196 and not less than 144. In practice, a is 1000 and e is 170.
- Table 1 is an example of an uplink control channel gain value corresponding to different transmission code rates (R) when the length of the sequence to be encoded is the first length threshold according to an embodiment of the present invention.
- the first length threshold corresponding to the transmission code rate of 0.2 is 350, the corresponding gain value is 0.128112; the first length threshold corresponding to the transmission code rate of 0.22 is 370, the corresponding gain value is 0.127483; and the transmission code rate is 0.24.
- the first length threshold is 390, the corresponding gain value is 0.10674; the first length threshold corresponding to the transmission code rate 0.26 is 410, and the corresponding gain value is 0.149014; the first length threshold corresponding to the transmission code rate 0.28 is 430, corresponding to The gain value is 0.115676; the first length threshold corresponding to the transmission code rate of 0.3 is 450, and the corresponding gain value is 0.0837032; the first length threshold corresponding to the transmission code rate of 0.32 is 470, the corresponding gain value is 0.0356907; and the transmission code rate is 0.34.
- the first length threshold is 490, the corresponding gain value is 0.08450445; the first length threshold corresponding to the transmission code rate of 0.36 is 510, the corresponding gain value is 0.180271; and the first length threshold corresponding to the transmission code rate of 0.38 is 530, corresponding to The gain value is 0.2199536; the first length threshold corresponding to the transmission code rate of 0.4 is 550, and the corresponding gain value is 0.1574885. Therefore, when the transmission code rate is between 0.2 and 0.4, according to the first length threshold determined by the first function, it is determined whether to perform segmentation of the sequence to be coded, thereby performing polarization code coding, and the gain is known according to Table 1 above. The value is not very large, so it is very appropriate to use the corresponding first length threshold as the threshold for making the determination.
- the sequence to be encoded includes an information sequence and a CRC sequence
- the corresponding segmentation policy may be determined according to the length of the sequence to be encoded.
- the segmentation policy is determined according to the length of the information sequence
- the length and information of the sequence to be encoded may be determined according to the length threshold determined. Corresponding relationships between the lengths of the sequences determine the corresponding appropriate length threshold. The same is true in the following scenarios, and will not be described here.
- determining the segmentation strategy corresponding to the sequence to be encoded according to the length of the sequence to be encoded and the transmission code rate includes:
- the sending end determines whether the length of the sequence to be encoded is greater than or equal to a preset second length threshold; if yes, determining the location The sequence segmentation of the encoding is described, otherwise it is determined that the sequence to be encoded is not segmented.
- the preset second rate threshold is 0.2.
- Non-seg indicates no segmentation
- seg indicates segmentation
- R indicates transmission rate
- the horizontal axis of the coordinate system indicates the length (K) of the sequence to be encoded
- the vertical axis indicates the SNR value (S).
- the sequence to be encoded is segmented in FIG. 4, the information sequence in the sequence to be encoded is segmented, and a CRC is added to a segmentation information sequence.
- the transmission code rate is not greater than 0.2
- the length of the sequence to be encoded is greater than or equal to 290
- the respective transmission bit rates are fixed, and different values between 290 and 390 may be used for each transmission code rate.
- the preset second length threshold is not less than 290 and not greater than 390. Specifically, when the code rate is less than 0.2, the preset second length threshold may be determined within the range.
- the preset second length threshold is 340, that is, when the determination is made, the preset second length threshold is set to 340, and the fixed value is used for the determination.
- the above analysis is a performance comparison diagram of the transmission code rate between 0.2 and 0.4, segmentation and non-segmentation.
- the transmission code rate is between 6/25 and 9/25, when the sequence to be coded is segmented.
- a CRC is added to each segmentation information sequence, the performance comparison between segmentation and non-segmentation is similar to that of FIG. 4, and details are not described herein again.
- determining the segmentation strategy corresponding to the sequence to be encoded according to the length of the sequence to be encoded and the transmission code rate includes:
- the preset third rate threshold may be 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold may be 410.
- Table 2 is an example of an uplink control channel gain value corresponding to different transmission code rates (R) when the length of the sequence to be encoded is the second length threshold according to an embodiment of the present invention.
- the gain value is the difference between the SNR at the time of segmentation and the SNR at the time of non-segmentation.
- the second length threshold corresponding to the transmission code rate of 0.12 is 340, the corresponding gain value is 0.032309; the second length threshold corresponding to the transmission code rate of 0.14 is 340, the corresponding gain value is 0.069684; and the transmission code rate is 0.16.
- the corresponding second length threshold is 340, the corresponding gain value is 0.10115; the second length threshold corresponding to the transmission code rate 0.18 is 340, and the corresponding gain value is 0.071813. Therefore, when the transmission code rate is not higher than 0.2, it is determined whether to perform segmentation of the sequence to be coded according to the second length threshold, thereby performing polarization code coding. According to the above Table 2, the gain value is not large. Therefore, it is very appropriate to use the corresponding second length threshold as the threshold for making the determination.
- the length of the sequence to be encoded is different, and whether the sequence to be encoded is segmented may affect the SNR.
- the The length of the encoded sequence and the transmission code rate, and determining the segmentation strategy corresponding to the sequence to be encoded includes:
- the sending end may determine whether the length of the sequence to be encoded is greater than or equal to a preset fifth length threshold, and if yes, determine the sequence to be encoded.
- the fifth code rate threshold is located between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, and x is a value greater than 0 and less than N, and N is a value greater than 0. In the implementation, x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- the maximum mother code length of the 5G polar code is 1024, so that the length of the sequence to be encoded must be less than 1024. If the length of the sequence to be encoded is 1060, 1024 or less is less than 2048, no matter what the transmission rate is.
- the sequence to be encoded is directly subjected to polar encoding, for example, divided into two segments for polar encoding. The simulation result is shown in FIG. 5.
- the length of the sequence to be encoded is less than the maximum length of the to-be-coded bit 1024, it is greater than a certain preset value, and the direct segmentation can be better than the non-segmentation regardless of the transmission code rate. Performance, and processing is simple, the preset value can be located below 500 and 1200.
- a feasible solution for segmenting a sequence of codes is to use equal or approximate division, in which the implementation can be divided into only two segments, and then each segment is polar coded.
- the method further includes: before the determining is to segment the sequence to be encoded, the method further includes:
- the sending end determines whether the transmission code rate is less than or equal to a preset fifth rate threshold, and if yes, determining the to-be-determined Encoded sequence segmentation.
- the preset fifth rate threshold is not less than 0.2 and not greater than 0.9. In implementation, the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26, or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not greater than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, Or 410, or 420, or 430, or 440, or 450.
- Kth5 ⁇ include: ⁇ 0.4, 350 ⁇ , ⁇ 0.4, 370 ⁇ , ⁇ 0.4, 380 ⁇ , ⁇ 0.4, 390 ⁇ , ⁇ 0.4, 400 ⁇ , ⁇ 0.4, 410 ⁇ , ⁇ 0.4, 420 ⁇ , ⁇ 0.28, 370 ⁇ , ⁇ 0.28, 380 ⁇ , ⁇ 0.28, 390 ⁇ , ⁇ 0.28,400 ⁇ , ⁇ 0.28,410 ⁇ , ⁇ 0.28,420 ⁇ , ⁇ 0.26,370 ⁇ , ⁇ 0.26,380 ⁇ , ⁇ 0.26,390 ⁇ , ⁇ 0.26,400 ⁇ , ⁇ 0.26,410 ⁇ , ⁇ 0.26, 420 ⁇ .
- a possible implementation of the segmentation of the encoded sequence may be to use an equal or approximate division method, in which the implementation can be divided into only two segments, and then each segment is polar coded.
- the maximum feedback amount of 5G uplink control information is greatly increased.
- the UCI maximum feedback amount does not include the 11-bit CRC and reaches 543 bits.
- the segmentation strategy corresponding to the sequence to be encoded is determined according to the length of the sequence to be encoded and the transmission code rate.
- f is a value in the range of 500-1200
- g is a value in the range of 60-300.
- the sequence to be encoded is directly segmented according to a preset linear function.
- the preset sixth rate threshold is 0.2.
- FIG. 6 is a schematic diagram of corresponding simulation results.
- the corresponding segmentation method may adopt the following rules:
- K_th 1024*R+150
- FIG. 7 is a schematic diagram of another simulation result. According to FIG. 7, the corresponding segmentation method may adopt the following rules:
- a possible implementation of the segmentation of the encoded sequence may be to use an equal or approximate division method, in which the implementation can be divided into only two segments, and then each segment is polar coded.
- segmenting the sequence to be encoded includes:
- target code rate interval segmenting the sequence to be encoded according to a target linear function corresponding to the target code rate interval, wherein a minimum code rate value in the code rate interval is not less than the preset sixth Rate threshold.
- the minimum code rate value in the code rate interval is not less than the preset sixth code rate threshold.
- the preset sixth code rate threshold is 0.2, and the two code rate intervals are pre-set to be greater than 0.2 and less than 0.4, and greater than or equal to 0.4.
- the target corresponding to the transmission code rate is determined according to the transmission code rate.
- the code rate interval segments the sequence to be encoded according to a target linear function corresponding to the target code rate interval.
- each code rate interval corresponds to a different linear function.
- the preset sixth rate threshold is 0.2.
- FIG. 8 is a schematic diagram of simulation results according to an embodiment of the present invention. According to FIG. 8 , the corresponding segmentation method adopts the following rules:
- K_th 1024*R+140
- the transmission code rate can be considered to determine whether to process the coding sequence segment, and the length of the sequence to be coded is different, which also affects the performance of the uplink control channel, in order to further ensure The performance of the uplink control channel, before determining that the sequence to be encoded is segmented, based on the foregoing Embodiment 7 and Embodiment 8, the method further includes:
- the fifth rate threshold is between x times the maximum bit length to be encoded and N times the maximum bit length to be encoded, where x is a value greater than 0 and less than N, and N is a value greater than 0, in practice, x For a value greater than or equal to 0.3 and less than 2, N is 2.
- a linear function may be used for segmentation, and the segmentation strategy corresponding to the sequence to be encoded is determined according to the length of the sequence to be encoded and the transmission code rate.
- the value, i is the preset eighth parameter value, R is the transmission code rate, and int is the rounding function.
- the preset linear function may be one or more than two. If more than two linear functions are included, the segmentation may be flexibly selected according to actual conditions.
- h 500-1200 and i is 60-300.
- the linear function may be used for segmentation regardless of the transmission code rate, and the length of the sequence to be encoded may also affect the performance of the uplink control channel, in order to further ensure the uplink control channel. Performance, on the basis of the foregoing embodiment, before determining to segment the sequence to be encoded, the method further includes:
- the fifth rate threshold is between x times the maximum bit length to be encoded and N times the maximum bit length to be encoded, where x is a value greater than 0 and less than N, and N is a value greater than 0, in practice, x For a value greater than or equal to 0.3 and less than 2, N is 2.
- the segmentation threshold (Kth) is described according to the length of the sequence to be encoded.
- the segmentation threshold can also be described in terms of the encoded data length (M) if the code rate is known.
- M the encoded data length
- the segmentation threshold Kth is described according to the information bit length to be encoded.
- the segmentation threshold may also be described in the case of the coded data length M in the case where the code rate is known.
- the segmentation policy when the segmentation policy is to segment the sequence to be encoded, the sequence to be encoded according to the segmentation policy
- the corresponding processing includes:
- the sequence to be encoded containing the information sequence and the CRC sequence is segmented.
- the sequence to be encoded includes an information sequence and a CRC sequence, and when the sequence to be encoded is segmented, only the encoded sequence segment may be processed. This is because when performing polarization code encoding, a CRC sequence is added after the information sequence to obtain a sequence to be encoded, and then the sequence to be encoded is segmented.
- a feasible implementation manner may be divided into two segments and divided into two. The two sequences to be encoded are respectively encoded by the polar code, so that only one of the obtained segments to be encoded may have a CRC.
- the sequence of information in the sequence to be encoded may be segmented. That is, the information sequence is first divided into two segments, and each segment is added with an L-bit CRC sequence, for example, 11 bits.
- L-bit CRC sequence for example, 11 bits.
- the length of the information sequence is different, or the nFAR value is different, and the length of the added CRC sequence is different, and the specificity can be flexibly set according to requirements.
- FIG. 9 is a schematic structural diagram of a polarization coding apparatus according to an embodiment of the present disclosure, where the apparatus includes:
- a determining module 51 configured to determine, according to a length of the sequence to be encoded and a transmission code rate, a segmentation strategy corresponding to the sequence to be encoded;
- the encoding module 52 is configured to perform corresponding processing on the sequence to be encoded according to the segmentation policy, and perform polarization coding on the processed sequence to be encoded.
- the determining module 51 is specifically configured to determine whether the transmission code rate is greater than or equal to a preset first rate threshold; if yes, determine that the sequence to be encoded is not segmented.
- the determining module 51 is configured to determine, if the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, determining the sequence to be encoded. Whether the length is greater than or equal to or greater than a preset first length threshold, wherein the first rate threshold is greater than the second rate threshold; if yes, determining to segment the sequence to be encoded, otherwise determining that the location is incorrect The sequence segmentation of the encoding is described.
- the preset first rate threshold is 0.4.
- the determining module 51 is further configured to determine a first length threshold according to the transmission code rate and a preset first function.
- the first parameter, b is a preset second parameter, and R is a transmission code rate.
- the c is not more than 1200 and not less than 800, and the b is not more than 161 and not less than 119.
- c 1000 and b is 140.
- the determining module 51 is specifically configured to determine whether the length of the sequence to be encoded is greater than or equal to a preset second length threshold, if the transmission code rate is less than or equal to a preset second rate threshold; If so, it is determined that the sequence to be encoded is segmented, otherwise it is determined that the sequence to be encoded is not segmented.
- the preset second length threshold is not less than 290 and not greater than 390.
- the preset second length threshold bit 340 In implementation, the preset second length threshold bit 340.
- the preset second rate threshold is 0.2.
- the determining module 51 is specifically configured to determine, if the transmission code rate is less than or equal to a preset third rate threshold, whether the length of the sequence to be encoded is greater than or equal to a preset third. a length threshold; if yes, determining to segment the sequence to be encoded, otherwise determining not to segment the sequence to be encoded.
- the third rate threshold is 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold is 410.
- the determining module 51 is specifically configured to determine that the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold, and determines the to-be-coded Whether the length of the sequence is greater than or equal to or greater than a preset fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold; if yes, determining to segment the sequence to be encoded, otherwise, It is determined that the sequence to be encoded is not segmented.
- the determining module 51 is specifically configured to determine, according to the transmission code rate and a preset second function, whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold.
- the fourth length threshold is specifically configured to determine, according to the transmission code rate and a preset second function, whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold. The fourth length threshold.
- the third parameter, e is a preset fourth parameter, and R is a transmission code rate.
- the a is no more than 1200 and not less than 800, and the e is not more than 196 and not less than 144.
- the a is 1000 and the e is 170.
- the determining module 51 is specifically configured to determine whether the transmission code rate is greater than or equal to a preset fourth rate threshold; if yes, determine that the sequence to be encoded is not segmented.
- the preset fourth rate threshold is 9/25.
- the determining module 51 is specifically configured to determine whether the length of the sequence to be encoded is greater than or equal to a preset fifth length threshold; if yes, determine the segmentation of the sequence to be encoded.
- the determining module 51 is specifically configured to determine whether the transmission code rate is less than or equal to a preset fifth rate threshold; if yes, determine to segment the sequence to be encoded.
- the preset fifth rate threshold is not less than 0.2 and not greater than 0.9.
- the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26. , or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not greater than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, or 410, or 420, or 430, or 440, or 450.
- the f is a value in the range of 500-1200, and g is a value in the range of 60-300.
- the f is 832 and the g is 200.
- the preset sixth rate threshold is 0.2.
- h is a value in the range of 500-1200, and i is a value in the range of 60-300.
- the determining module 51 is further configured to determine whether the length of the sequence to be encoded is less than or equal to a preset fifth length threshold; if yes, perform the step of determining to segment the sequence to be encoded.
- the fifth rate threshold is between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, where x is a value greater than 0 and less than N.
- the x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- the encoding module 52 is configured to: when the segmentation policy is to segment the sequence to be encoded, segment the information sequence in the sequence to be encoded; or And the sequence to be encoded of the CRC sequence is segmented.
- an electronic device is further provided in the embodiment of the present invention. Since the principle solved by the above electronic device is similar to the polarization coding method, the implementation of the foregoing electronic device may refer to the implementation of the method, and the repeated description is not repeated. .
- FIG. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
- a bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 61.
- the various circuits of the memory represented by memory 62 are linked together.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- the processor 61 is responsible for managing the bus architecture and general processing, and the memory 62 can store data used by the processor 61 in performing operations.
- the processor 61 is configured to read the program in the memory 62, and perform the following process: determining a segmentation strategy corresponding to the sequence to be encoded according to the length of the sequence to be encoded and the transmission code rate; according to the segmentation strategy, Performing corresponding processing on the sequence to be encoded, and performing polarization encoding on the processed sequence to be encoded.
- the processor 61 is specifically configured to determine whether the transmission code rate is greater than or equal to a preset first rate threshold; if yes, determine that the sequence to be encoded is not segmented.
- the processor 61 is specifically configured to determine that the to-be-coded if the transmission code rate is not greater than or less than a preset first rate threshold and is not less than or greater than a preset second rate threshold. Whether the length of the sequence is greater than or equal to or greater than a preset first length threshold, wherein the first rate threshold is greater than the second rate threshold; if yes, determining to segment the sequence to be encoded, otherwise, It is determined that the sequence to be encoded is not segmented.
- the preset first rate threshold is 0.4.
- the processor 61 is further configured to determine a first length threshold according to the transmission code rate and a preset function.
- the c is not more than 1200 and not less than 800, and the b is not more than 161 and not less than 119.
- c 1000 and b is 140.
- the processor 61 is configured to determine, if the transmission code rate is less than or equal to a preset second rate threshold, whether the length of the sequence to be encoded is greater than or equal to a preset second. a length threshold; if yes, determining to segment the sequence to be encoded, otherwise determining not to segment the sequence to be encoded.
- the preset second length threshold is not less than 290 and not greater than 390.
- the preset second length threshold bit 340 In implementation, the preset second length threshold bit 340.
- the preset second rate threshold is 0.2.
- the processor 61 is configured to determine, if the transmission code rate is less than or equal to a preset third rate threshold, whether the length of the sequence to be encoded is greater than or equal to a preset third. a length threshold; if yes, determining to segment the sequence to be encoded, otherwise determining not to segment the sequence to be encoded.
- the third rate threshold is 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold is 410.
- the processor 61 is specifically configured to determine, if the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold, Whether the length of the sequence is greater than or equal to or greater than a preset fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold; if yes, determining to segment the sequence to be encoded, otherwise, It is determined that the sequence to be encoded is not segmented.
- the processor 61 is further configured to determine, according to the transmission code rate and a preset second function, whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold.
- the fourth length threshold is further configured to determine, according to the transmission code rate and a preset second function, whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold.
- the third parameter, e is a preset fourth parameter, and R is a transmission code rate.
- the a is no more than 1200 and not less than 800, and the e is not more than 196 and not less than 144.
- the a is 1000 and the e is 170.
- the processor 61 is specifically configured to determine whether the transmission code rate is greater than or equal to a preset fourth rate threshold; if yes, determine that the sequence to be encoded is not segmented.
- the preset fourth rate threshold is 9/25.
- the processor 61 is specifically configured to determine whether the length of the sequence to be encoded is greater than or equal to a preset fifth length threshold; if yes, determine to segment the sequence to be encoded.
- the processor 61 is specifically configured to determine whether the transmission code rate is less than or equal to a preset fifth rate threshold; if yes, determine to segment the sequence to be encoded.
- the preset fifth rate threshold is not less than 0.2 and not greater than 0.9.
- the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26. , or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not greater than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, or 410, or 420, or 430, or 440, or 450.
- the f is a value in the range of 500-1200, and g is a value in the range of 60-300.
- the f is 832 and the g is 200.
- the preset sixth rate threshold is 0.2.
- h is a value in the range of 500-1200, and i is a value in the range of 60-300.
- the processor 61 is further configured to determine whether the length of the sequence to be encoded is less than or equal to a preset fifth length threshold; if yes, perform the step of determining to segment the sequence to be encoded.
- the fifth rate threshold is between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, where x is a value greater than 0 and less than N.
- the x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- the processor 61 is configured to: when the segmentation policy is to segment the sequence to be encoded, segment the information sequence in the sequence to be encoded; or The information sequence and the sequence to be encoded of the CRC sequence are segmented.
- the embodiment of the present invention further provides a computer storage readable storage medium, where the computer readable storage medium stores a computer program executable by the electronic device, when the program is in the When the electronic device is running, the electronic device is executed to implement the following steps:
- the sequence to be encoded is processed correspondingly, and the processed sequence to be encoded is polarization coded.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the transmission code rate is not greater than or less than a preset first rate threshold, and is not less than or greater than a preset second rate threshold, determining whether the length of the sequence to be encoded is greater than or equal to a preset a first length threshold, wherein the first rate threshold is greater than the second rate threshold;
- the preset first rate threshold is 0.4.
- the method before the determining whether the length of the sequence to be encoded is greater than a preset first length threshold, the method further includes:
- the first parameter, b is a preset second parameter, and R is a transmission code rate.
- the c is not more than 1200 and not less than 800, and the b is not more than 161 and not less than 119.
- c 1000 and b is 140.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the preset second length threshold is not less than 290 and not greater than 390.
- the preset second length threshold is 340.
- the preset second rate threshold is 0.2.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the third rate threshold is 6/25.
- the preset third length threshold is not less than 348 and not greater than 472.
- the preset third length threshold is 410.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- Determining whether the length of the sequence to be encoded is greater than or equal to a preset value if the transmission code rate is not less than or greater than a preset third rate threshold, and is not greater than or less than a preset fourth rate threshold. a fourth length threshold, wherein the fourth rate threshold is greater than the third rate threshold;
- the method before the determining whether the length of the sequence to be encoded is greater than or equal to a preset fourth length threshold, the method further includes:
- the third parameter, e is a preset fourth parameter, and R is a transmission code rate.
- the a is no more than 1200 and not less than 800, and the e is not more than 196 and not less than 144.
- the a is 1000 and the e is 170.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the preset fourth rate threshold is 9/25.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the method before the determining to segment the sequence to be encoded, the method further includes:
- the preset fifth rate threshold is not less than 0.2 and not greater than 0.9.
- the preset fifth rate threshold is 0.75, or 2/3, or 1/2, or 2/5, or 0.38, or 0.36, or 1/3, or 0.3, or 0.28, or 0.26. , or 0.24, or 1/4, or 1/5.
- the preset fifth length threshold is not less than 300 and not greater than 450.
- the preset fifth length threshold is 340, or 350, or 360, or 370, or 380, or 390, or 400, or 410, or 420, or 430, or 440, or 450.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the f is a value in the range of 500-1200, and g is a value in the range of 60-300.
- the f is 832 and the g is 200.
- the preset sixth rate threshold is 0.2.
- the determining, according to the length of the sequence to be encoded and the transmission code rate, the segmentation strategy corresponding to the sequence to be encoded includes:
- the parameter value, i is the preset eighth parameter value, R is the transmission code rate, and int is the rounding function.
- h is a value in the range of 500-1200, and i is a value in the range of 60-300.
- the method before determining to segment the sequence to be encoded, the method further includes:
- the fifth rate threshold is between x times the maximum to-be-coded bit length and N times the maximum to-be-coded bit length, where x is a value greater than 0 and less than N.
- the x is a value greater than or equal to 0.3 and less than 2, and N is 2.
- the corresponding processing of the sequence to be encoded according to the segmentation policy includes:
- the sequence to be encoded containing the information sequence and the CRC sequence is segmented.
- embodiments of the present application can be provided as a method, system, or computer program product.
- the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
- the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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Abstract
Description
R | 第一长度阈值 | 增益值 |
0.2 | 350 | 0.128112 |
0.22 | 370 | 0.127483 |
0.24 | 390 | 0.10674 |
0.26 | 410 | 0.149014 |
0.28 | 430 | 0.115676 |
0.3 | 450 | 0.0837032 |
0.32 | 470 | 0.0356907 |
0.34 | 490 | 0.08450445 |
0.36 | 510 | 0.180271 |
0.38 | 530 | 0.2199536 |
0.4 | 550 | 0.1574885 |
R | 第二长度阈值 | 增益值 |
0.12 | 340 | 0.032309 |
0.14 | 340 | 0.069684 |
0.16 | 340 | 0.10115 |
0.18 | 340 | 0.071813 |
Claims (82)
- 一种极化编码方法,其特征在于,所述方法包括:根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略;根据所述分段策略,对所述待编码的序列进行相应处理,并将处理后的所述待编码的序列进行极化编码。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:判断所述传输码率是否大于或大于等于预设的第一码率阈值;如果是,确定不对所述待编码的序列分段。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:如果所述传输码率不大于或者小于预设的第一码率阈值、且不小于或大于预设的第二码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第一长度阈值,其中所述第一码率阈值大于所述第二码率阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求2或3所述的方法,其特征在于,所述预设的第一码率阈值为0.4。
- 如权利要求3所述的方法,其特征在于,所述判断所述待编码的序列的长度是否大于或者大于等于预设的第一长度阈值之前,所述方法还包括:根据所述传输码率及预设的第一函数,确定第一长度阈值。
- 如权利要求5所述的方法,其特征在于,所述预设的第一函数为Kth1=int(c*R+b)或者Kth1=c*R+b,其中kth1为第一长度阈值、int为取整函数、c为预设的第一参数、b为预设的第二参数、R为传输码率。
- 如权利要求6所述的方法,其特征在于,所述c不大于1200、且不小 于800,所述b不大于161、且不小于119。
- 如权利要求7所述的方法,其特征在于,所述c为1000,b为140。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:如果所述传输码率小于或者小于等于预设的第二码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第二长度阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求9所述的方法,其特征在于,所述预设的第二长度阈值不小于290、且不大于390。
- 如权利要求10所述的方法,其特征在于,所述预设的第二长度阈值为340。
- 如权利要求3或9所述的方法,其特征在于,所述预设的第二码率阈值为0.2。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:如果所述传输码率小于或者小于等于预设的第三码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第三长度阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求13所述的方法,其特征在于,所述第三码率阈值为6/25。
- 如权利要求13所述的方法,其特征在于,所述预设的第三长度阈值不小于348、且不大于472。
- 如权利要求15所述的方法,其特征在于,所述预设的第三长度阈值为410。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:如果所述传输码率不小于或大于预设的第三码率阈值、且不大于或者小于预设的第四码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第四长度阈值,其中所述第四码率阈值大于所述第三码率阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求17所述的方法,其特征在于,所述判断所述待编码的序列的长度是否大于或者大于等于预设的第四长度阈值之前,所述方法还包括:根据所述传输码率及预设的第二函数,确定第四长度阈值。
- 如权利要求18所述的方法,其特征在于,所述预设的第二函数为Kth2=int(a*R+e)或者Kth2=a*R+e,其中kth2为第四长度阈值、int为取整函数、a为预设的第三参数、e为预设的第四参数、R为传输码率。
- 如权利要求19所述的方法,其特征在于,所述a不大于1200、且不小于800,所述e不大于196、且不小于144。
- 如权利要求20所述的方法,其特征在于,所述a为1000,e为170。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:判断所述传输码率是否大于或大于等于预设的第四码率阈值;如果是,确定不对所述待编码的序列分段。
- 如权利要求17或22所述的方法,其特征在于,所述预设的第四码率阈值为9/25。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:判断所述待编码的序列的长度是否大于或大于等于预设的第五长度阈值;如果是,确定对所述待编码的序列分段。
- 如权利要求24所述的方法,其特征在于,所述确定对所述待编码的序列分段之前,所述方法还包括:判断所述传输码率是否小于或小于等于预设的第五码率阈值;如果是,进行后续步骤。
- 如权利要求25所述的方法,其特征在于,所述预设的第五码率阈值不小于0.2、且不大于0.9。
- 如权利要求26所述的方法,其特征在于,所述预设的第五码率阈值为0.75,或2/3,或1/2,或2/5,或0.38,或0.36,或1/3,或0.3,或0.28,或0.26,或0.24,或1/4,或1/5。
- 如权利要求26所述的方法,其特征在于,所述预设的第五长度阈值不小于300、且不大于450。
- 如权利要求28所述的方法,其特征在于,所述预设的第五长度阈值为340,或350,或360,或370,或380,或390,或400,或410,或420,或430,或440,或450。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:判断所述传输码率是否大于预设的第六码率阈值;如果是,确定根据预设的线性函数K_th1=f*R+g或K_th1=int(f*R+g)对所述待编码的序列分段,其中K_th1为第一长度值、f为预设的第五参数值、g为预设的第六参数值、R为传输码率、int为取整函数。
- 如权利要求30所述的方法,其特征在于,所述f为位于500-1200范围内的数值、g为位于60-300范围内的数值。
- 如权利要求31所述的方法,其特征在于,所述f为832、g为200。
- 如权利要求30所述的方法,其特征在于,所述确定根据预设的线性函数K_th1=f*R+g或K_th1=int(f*R+g)对所述待编码的序列分段包括:确定根据预先设定的至少两个码率区间,及每个码率区间对应的预设的线性函数K_th1=fn*R+gn或K_th1=int(fn*R+gn),确定所述传输码率对应的目标码率区间,根据所述目标码率区间对应的目标线性函数对所述待编码的序列分段,其中所述码率区间中的最小码率值不小于所述预设的第六码率阈值。
- 如权利要求30或33所述的方法,其特征在于,所述预设的第六码率阈值为0.2。
- 如权利要求1所述的方法,其特征在于,所述根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略包括:确定根据预设的线性函数K_th2=h*R+i或K_th2=int(h*R+i)对所述待编码的序列分段,其中K_th2为第二长度值、h为预设的第七参数值、i为预设的第八参数值、R为传输码率、int为取整函数。
- 如权利要求35所述的方法,其特征在于,所述h为位于500-1200范围内的数值、i为位于60-300范围内的数值。
- 如权利要求30或33或35所述的方法,其特征在于,确定对所述待编码序列进行分段之前,所述方法还包括:判断所述待编码序列的长度是否小于等于预设的第五长度阈值;如果是,进行后续步骤。
- 如权利要求24或37所述的方法,其特征在于,所述第五码率阈值位于最大待编码比特长度的x倍到最大待编码比特长度的N倍之间,其中x为大于0小于N的数值。
- 如权利要求38所述的方法,其特征在于,所述x为大于等于0.3,小于2的数值,N为2。
- 如权利要求1或3或9或13或17或24或30或33或35所述的方法,其特征在于,当所述分段策略为对所述待编码的序列进行分段时,所述根据所述分段策略,对所述待编码的序列进行相应处理包括:对所述待编码的序列中的信息序列进行分段;或,对包含信息序列及CRC序列的所述待编码的序列进行分段。
- 一种极化编码装置,其特征在于,所述装置包括:确定模块,用于根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略;编码模块,用于根据所述分段策略,对所述待编码的序列进行相应处理, 并将处理后的所述待编码的序列进行极化编码。
- 一种电子设备,其特征在于,包括:存储器和处理器;所述处理器,用于读取存储器中的程序,执行下列过程:根据待编码的序列的长度及传输码率,确定所述待编码的序列对应的分段策略;根据所述分段策略,对所述待编码的序列进行相应处理,并将处理后的所述待编码的序列进行极化编码。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于判断所述传输码率是否大于或大于等于预设的第一码率阈值;如果是,确定不对所述待编码的序列分段。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于如果所述传输码率不大于或者小于预设的第一码率阈值、且不小于或大于预设的第二码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第一长度阈值,其中所述第一码率阈值大于所述第二码率阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求43或44所述的电子设备,其特征在于,所述预设的第一码率阈值为0.4。
- 如权利要求44所述的电子设备,其特征在于,所述处理器,还用于根据所述传输码率及预设的第一函数,确定第一长度阈值。
- 如权利要求46所述的电子设备,其特征在于,所述预设的第一函数为Kth1=int(c*R+b)或者Kth1=c*R+b,其中kth1为第一长度阈值、int为取整函数、c为预设的第一参数、b为预设的第二参数、R为传输码率。
- 如权利要求47所述的电子设备,其特征在于,所述c不大于1200、且不小于800,所述b不大于161、且不小于119。
- 如权利要求48所述的电子设备,其特征在于,所述c为1000,b为140。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于如果所述传输码率小于或者小于等于预设的第二码率阈值,判断所述待编 码的序列的长度是否大于或者大于等于预设的第二长度阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求50所述的电子设备,其特征在于,所述预设的第二长度阈值不小于290、且不大于390。
- 如权利要求51所述的电子设备,其特征在于,所述预设的第二长度阈值为340。
- 如权利要求44或50所述的电子设备,其特征在于,所述预设的第二码率阈值为0.2。
- 如权利要求52所述的电子设备,其特征在于,所述处理器,具体用于如果所述传输码率小于或者小于等于预设的第三码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第三长度阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求54所述的电子设备,其特征在于,所述第三码率阈值为6/25。
- 如权利要求54所述的电子设备,其特征在于,所述预设的第三长度阈值不小于348、且不大于472。
- 如权利要求56所述的电子设备,其特征在于,所述预设的第三长度阈值为410。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于如果所述传输码率不小于或大于预设的第三码率阈值、且不大于或者小于预设的第四码率阈值,判断所述待编码的序列的长度是否大于或者大于等于预设的第四长度阈值,其中所述第四码率阈值大于所述第三码率阈值;如果是,确定对所述待编码的序列分段,否则,确定不对所述待编码的序列分段。
- 如权利要求58所述的电子设备,其特征在于,所述处理器,还用于判断所述待编码的序列的长度是否大于或者大于等于预设的第四长度阈值之前,根据所述传输码率及预设的第二函数,确定第四长度阈值。
- 如权利要求59所述的电子设备,其特征在于,所述预设的第二函数 为Kth2=int(a*R+e)或者Kth2=a*R+e,其中kth2为第四长度阈值、int为取整函数、a为预设的第三参数、e为预设的第四参数、R为传输码率。
- 如权利要求60所述的电子设备,其特征在于,所述a不大于1200、且不小于800,所述e不大于196、且不小于144。
- 如权利要求61所述的电子设备,其特征在于,所述a为1000,e为170。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于判断所述传输码率是否大于或大于等于预设的第四码率阈值;如果是,确定不对所述待编码的序列分段。
- 如权利要求58或63所述的电子设备,其特征在于,所述预设的第四码率阈值为9/25。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于判断所述待编码的序列的长度是否大于或大于等于预设的第五长度阈值;如果是,确定对所述待编码的序列分段。
- 如权利要求65所述的电子设备,其特征在于,所述处理器,具体用于判断所述传输码率是否小于或小于等于预设的第五码率阈值;如果是,确定对所述待编码的序列分段。
- 如权利要求66所述的电子设备,其特征在于,所述预设的第五码率阈值不小于0.2、且不大于0.9。
- 如权利要求67所述的电子设备,其特征在于,所述预设的第五码率阈值为0.75,或2/3,或1/2,或2/5,或0.38,或0.36,或1/3,或0.3,或0.28,或0.26,或0.24,或1/4,或1/5。
- 如权利要求67所述的电子设备,其特征在于,所述预设的第五长度阈值不小于300、且不大于450。
- 如权利要求69所述的电子设备,其特征在于,所述预设的第五长度阈值为340,或350,或360,或370,或380,或390,或400,或410,或420,或430,或440,或450。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于判断所述传输码率是否大于预设的第六码率阈值;如果是,确定根据预设的线性函数K_th1=f*R+g或K_th1=int(f*R+g)对所述待编码的序列分段,其中K_th1为第一长度值、f为预设的第五参数值、g为预设的第六参数值、R为传输码率、int为取整函数。
- 如权利要求71所述的电子设备,其特征在于,所述f为位于500-1200范围内的数值、g为位于60-300范围内的数值。
- 如权利要求72所述的电子设备,其特征在于,所述f为832、g为200。
- 如权利要求71所述的电子设备,其特征在于,所述处理器,具体用于确定根据预先设定的至少两个码率区间,及每个码率区间对应的预设的线性函数K_th1=fn*R+gn或K_th1=int(fn*R+gn),确定所述传输码率对应的目标码率区间,根据所述目标码率区间对应的目标线性函数对所述待编码的序列分段,其中所述码率区间中的最小码率值不小于所述预设的第六码率阈值。
- 如权利要求71或74所述的电子设备,其特征在于,所述预设的第六码率阈值为0.2。
- 如权利要求42所述的电子设备,其特征在于,所述处理器,具体用于确定根据预设的线性函数K_th2=h*R+i或K_th2=int(h*R+i)对所述待编码的序列分段,其中K_th2为第二长度值、h为预设的第七参数值、i为预设的第八参数值、R为传输码率、int为取整函数。
- 如权利要求76所述的电子设备,其特征在于,所述h为位于500-1200范围内的数值、i为位于60-300范围内的数值。
- 如权利要求71或74或76所述的电子设备,其特征在于,所述处理器,还用于判断所述待编码序列的长度是否小于等于预设的第五长度阈值;如果是,进行确定对所述待编码序列进行分段的步骤。
- 如权利要求65或78所述的电子设备,其特征在于,所述第五码率阈值位于最大待编码比特长度的x倍到最大待编码比特长度的N倍之间,其 中x为大于0小于N的数值。
- 如权利要求79所述的电子设备,其特征在于,所述x为大于等于0.3,小于2的数值,N为2。
- 如权利要求42或44或50或54或58或65或71或74或76所述的电子设备,其特征在于,所述处理器,具体用于当所述分段策略为对所述待编码的序列进行分段时,对所述待编码的序列中的信息序列进行分段;或,对包含信息序列及CRC序列的所述待编码的序列进行分段。
- 一种计算机可读存储介质,其特征在于,其存储有可由电子设备执行的计算机程序,当所述程序在所述电子设备上运行时,使得所述电子设备执行权利要求1~40中任一所述方法的步骤。
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JP2020518805A JP7035177B2 (ja) | 2017-10-01 | 2018-09-07 | 極性コーディング方法、装置、電子デバイスおよび記憶媒体 |
KR1020207011979A KR102325782B1 (ko) | 2017-10-01 | 2018-09-07 | 폴라 코딩의 방법 및 장치, 전자 장치 및 저장 매체 |
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