CN109660288B - Information reporting method and device - Google Patents
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- CN109660288B CN109660288B CN201910164456.4A CN201910164456A CN109660288B CN 109660288 B CN109660288 B CN 109660288B CN 201910164456 A CN201910164456 A CN 201910164456A CN 109660288 B CN109660288 B CN 109660288B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
- H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
Abstract
The invention discloses an information reporting method and a device, wherein the method comprises the following steps: calculating a first number value of maximum sub-band channel state information contained in specific information reported on the basis of physical downlink shared channel based on the specific information bit data which can be reported and information bits occupied by reporting the sub-band channel state information, wherein the specific information represents precoding matrix indication in the channel state information; comparing the first number value with a second number value corresponding to the number of sub-bands contained in the current bandwidth, and determining a reporting mode of sub-band channel state information based on a comparison result; and determining the position information of the sub-band channel state information to be reported based on the reporting mode, and reporting based on the position information. Under the condition of CSI Part2 partial transmission, the method can efficiently express the state information of the downlink channel, so that the base station can obtain more accurate channel state feedback, thereby improving the performance of the system.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information reporting method and apparatus.
Background
In the 5G NR standard, a Type II CSI (Channel State Information) report is divided into two parts, where the first Part (CSI Part1) includes RI (rank indication, which represents the number of data streams), CQI (Channel Quality Indicator), and an indication of the number of non-zero wideband amplitude factors per layer, and may be transmitted in PDSCH (Physical Downlink Shared Channel) or PUCCH (Physical Uplink Control Channel), and has a high priority. The second partial information (CSI Part2) includes a remaining CSI information PMI (precoding Matrix Indicator), which must be transmitted in the PDSCH. The priority of the CSI Part2 is relatively low compared to the CSI Part1, and may be partially transmitted, and some sub-band CSI may be omitted. The CSI Part2 Part transmits CSI information, which inevitably results in the loss of channel state information.
Under the condition that the transmitted CSI is limited, how to effectively select a part of the transmitted CSI to express the complete channel state as much as possible is a problem to be solved.
Disclosure of Invention
In view of the above problems, the present invention provides an information reporting method and apparatus, which can efficiently express status information of a downlink channel under the condition of partial transmission of CSI Part2, so that a base station obtains more accurate channel status feedback, thereby improving system performance.
In order to achieve the purpose, the invention provides the following technical scheme:
an information reporting method, the method comprising:
calculating a first number value of maximum sub-band channel state information contained in specific information reported on the basis of physical downlink shared channel based on the specific information bit data which can be reported and information bits occupied by reporting the sub-band channel state information, wherein the specific information represents precoding matrix indication in the channel state information;
comparing the first number value with a second number value corresponding to the number of sub-bands contained in the current bandwidth, and determining a reporting mode of sub-band channel state information based on a comparison result;
and determining the position information of the sub-band channel state information to be reported based on the reporting mode, and reporting based on the position information.
Optionally, the comparing the first number value with a second number value corresponding to the number of subbands included in the current bandwidth, and determining a reporting mode of the subband channel state information based on a comparison result includes:
judging whether the first number value is larger than a third number value, and if so, determining the first reporting mode, wherein the third number value is 1/2 × the second number value;
if the first number value is equal to 1, determining the first number value is a second reporting mode;
and if the first number value is not equal to 1 and the first number value is smaller than the third number value, determining that the reporting mode is a third reporting mode.
Optionally, the determining, based on the reporting mode, location information of reporting sub-band channel state information, and reporting based on the location information includes:
and calculating to obtain the position information of the reported sub-band channel state information according to a preset expression corresponding to the reporting mode, the first number value and the second data value.
Optionally, the calculating, based on the data of the specific information bits that can be reported and the information bits occupied by reporting the status information of each subband channel, a first number value of the maximum subband channel status information included in the specific information reported on the basis of the physical downlink shared channel includes:
setting the number of sub-bands contained in the current bandwidth by the initial value of the first number in the specific information reported by the physical downlink shared channel;
calculating the number of information bits which can be used for reporting specific information in the physical downlink shared channel according to the initial value of the first number, and calculating the code rate of the specific information according to the number of the information bits;
if the code rate of the specific information is greater than a preset threshold value, recalculating to obtain the code rate of the specific information after subtracting one from the initial value of the first number;
and determining the numerical value of the corresponding first data as a first number value when the code rate of the specific information is less than or equal to the preset threshold value.
Optionally, the calculating, according to the information bit number, a code rate of the specific information includes:
and preprocessing the information bit number to obtain the code rate of the specific information, wherein the preprocessing comprises cyclic redundancy check, coding, rate matching, change processing of bit data in the code block cascade process and code rate calculation.
An information reporting apparatus, the apparatus comprising:
a calculating unit, configured to calculate, based on information bits occupied by reportable specific information bit data and reported subband channel state information, a first number value of maximum subband channel state information included in the specific information reported on the basis of a physical downlink shared channel, where the specific information represents a precoding matrix indicator in the channel state information;
the comparison unit is used for comparing the first number value with a second number value corresponding to the number of the sub-bands contained in the current bandwidth and determining a reporting mode of the sub-band channel state information based on a comparison result;
and the reporting unit is used for determining the position information of the reported sub-band channel state information based on the reporting mode and reporting based on the position information.
Optionally, the comparing unit includes:
a first determining subunit, configured to determine whether the first number value is greater than a third number value, and if so, determine the first reporting mode, where the third number value is 1/2 × the second number value;
a second determining subunit, configured to determine that the first reporting mode is the second reporting mode if the first number value is equal to 1;
a third determining subunit, configured to determine that the reporting mode is a third reporting mode if the first number value is not equal to 1 and the first number value is smaller than the third number value.
Optionally, the reporting unit includes:
and the position calculating subunit is used for calculating and obtaining the position information of the reported sub-band channel state information according to a preset expression corresponding to the reporting mode, the first number value and the second data value.
Optionally, the computing unit comprises:
a setting subunit, configured to set an initial value of the first number in the specific information reported by the physical downlink shared channel to a number of subbands included in a current bandwidth;
a first calculating subunit, configured to calculate, according to the initial value of the first number, an information bit number that can be used for reporting specific information in the physical downlink shared channel, and calculate, according to the information bit number, a code rate at which the specific information is obtained;
a cyclic calculation subunit, configured to, if the code rate of the specific information is greater than a preset threshold, subtract one from the initial value of the first number, and recalculate to obtain the code rate of the specific information;
and the number determining subunit is configured to determine, as a first number value, a numerical value of the corresponding first data when the code rate of the specific information is less than or equal to the preset threshold.
Optionally, the first calculating subunit is specifically configured to:
and preprocessing the information bit number to obtain the code rate of the specific information, wherein the preprocessing comprises cyclic redundancy check, coding, rate matching, change processing of bit data in the code block cascade process and code rate calculation.
Compared with the prior art, the invention provides an information reporting method and device, based on the specific information bit data which can be reported and the information bit occupied by reporting each sub-band channel state information, calculating the first number value of the maximum sub-band channel state information contained in the specific information reported based on the physical downlink shared channel, and comparing the first number with a second number value corresponding to the number of sub-bands included in the current bandwidth, wherein the number of sub-band channel state information reported is selected, the sub-band channel reporting information which can represent the whole bandwidth is selected for reporting for different number values, so that the detection and calculation of the sub-band at the user equipment side are simplified, and the state information of the downlink channel can be efficiently expressed, so that the base station can obtain more accurate channel state feedback under limited resources, and the performance of the system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of an information reporting method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a CSI reporting location according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an information reporting apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
In an embodiment of the present invention, an information reporting method is provided, and referring to fig. 1, the method includes:
s101, calculating a first number value of maximum sub-band channel state information contained in specific information reported on the basis of a physical downlink shared channel based on the data of the specific information bits capable of being reported and information bits occupied by reporting the sub-band channel state information;
the specific information (CSI Part2) represents a Precoding Matrix Indicator (PMI), Channel State Information (CSI), and a Physical Downlink Shared Channel (PDSCH) in the channel state information.
The UE (user equipment) can report CSI Part2 information bit data and information bits occupied by each sub-band CSI, and calculates a first number value K of the maximum sub-band CSI contained in CSI Part2 reported based on a PDSCH.
The specific process of calculating the first number value may include the following steps:
s201, setting the number of sub-bands contained in the current bandwidth by the initial value of the first number in the specific information reported by the physical downlink shared channel;
s202, calculating the number of information bits which can be used for reporting the specific information in the physical downlink shared channel according to the initial value of the first number, and calculating the code rate of the obtained specific information according to the number of the information bits;
s203, if the code rate of the specific information is greater than the preset threshold, subtracting one from the initial value of the first number, and recalculating to obtain the code rate of the specific information;
s204, determining the numerical value of the corresponding first data as a first number value when the code rate of the specific information is less than or equal to a preset threshold value.
Specifically, K subband CSI data which can be used for reporting CSI Part2 in the PDSCH are set, and initially, K is equal to M, where M is the number of subbands included in a system bandwidth and corresponds to different numbers of subbands in different system bandwidths.
According to the number K of sub-band CSI reported by CSI Part2, calculating the number of information bits which can be used for reporting CSI Part2 in a PDSCH, and further calculating the CSI Part2 code rate;
if the CSI Part2 code rate is larger than the threshold value, reporting the sub-band CSI number K of which the value is K-1 by the CSI Part2, and executing the step of calculating the CSI Part2 code rate again;
if the CSI Part2 code rate is less than or equal to the threshold, the value K is the maximum number of sub-band CSI that can be included in the CSI Part2 reported based on the PDSCH.
The CSI Part2 information bit rate calculation process comprises the steps of adding CSI Part2 information bits through CRC (cyclic redundancy check), coding, rate matching, changing the number of bits in the code block cascading process, and calculating the code rate
S102, comparing the first number value with a second number value corresponding to the number of sub-bands contained in the current bandwidth, and determining a reporting mode of sub-band channel state information based on a comparison result;
s103, determining the position information of the reported sub-band channel state information based on the reporting mode, and reporting based on the position information.
And the second number value corresponding to the number of the sub-bands contained in the current bandwidth is represented by M, namely the whole bandwidth contains M sub-bands, the number K of the sub-bands reported by the CSI Part2 is calculated and compared with M, and different sub-band CSI reporting modes are selected according to the judgment result.
Specifically, it is correspondingly determined whether the first number value is greater than a third number value, and if so, the first reporting mode is determined, where the third number value is 1/2 × the second number value;
if the first number value is equal to 1, determining the first number value is a second reporting mode;
and if the first number value is not equal to 1 and the first number value is smaller than the third number value, determining that the reporting mode is a third reporting mode.
When the value of K is greater than (M/2), selecting a partial sub-band CSI reporting mode 1, comprising:
determining the position of the sub-band CSI which is not reported, wherein the expression is as follows:
SB-report(m)＝disable,m＝indexomission
determining the position of reporting sub-band CSI, wherein the expression is as follows:
SB-report(m)＝enable,m＝oterwise
referring to fig. 2, in fig. 2, when K is 5, 6, 7, 8, and 9, most of the subband CSI information is selected to be reported, and a small part of the omitted subband CSI is distributed like a comb, so as to facilitate the interpolation of the omitted subband CSI; when K is 10, the full band CSI information is transmitted.
When the value of K is 1, selecting a partial band CSI reporting mode 2, wherein the method comprises the following steps:
determining the position of the reported sub-band CSI, and expressing the position as follows:
SB-report(m)＝enable,m＝index
also in connection with fig. 2, M-10 and K-1, one subband CSI information is selected to be reported, the position of the subband is located in the middle, specifically at the position of 4, and all omitted subband CSI can be approximated using a single reported subband CSI.
When the value of K is not more than (M/2) and K is not 1, selecting a partial sub-band CSI reporting mode 3, wherein the method comprises the following steps:
determining the position of the reported sub-band CSI, wherein the expression is as follows:
SB-report(m)＝enable,m＝index
still referring to fig. 2, when K is 2, 3, and 4, the reporting of CSI information of a small number of sub-bands is selected, and the omitted CSI of the sub-bands is approximately and uniformly distributed among the CSI of the small number of reported sub-bands, which is convenient for implementing interpolation of the omitted CSI of the sub-bands.
The invention provides an information reporting method, based on the specific information bit data which can be reported and the information bit occupied by reporting each sub-band channel state information, calculating the first number value of the maximum sub-band channel state information contained in the specific information reported based on a physical downlink shared channel, and comparing the first number with the second number value corresponding to the sub-band quantity contained in the current bandwidth.
In an embodiment of the present invention, an information reporting apparatus is further provided, and referring to fig. 3, the apparatus includes:
a calculating unit 201, configured to calculate, based on a certain information bit data that can be reported and an information bit occupied by reporting each sub-band channel state information, a first number value of the largest sub-band channel state information included in the certain information that is reported based on a physical downlink shared channel, where the certain information represents a precoding matrix indicator in the channel state information;
a comparing unit 202, configured to compare the first number value with a second number value corresponding to the number of subbands included in the current bandwidth, and determine a reporting mode of subband channel state information based on a comparison result;
a reporting unit 203, configured to determine location information of the sub-band channel state information to be reported based on the reporting mode, and report the sub-band channel state information based on the location information.
The invention provides an information reporting device, which is characterized in that a calculating unit calculates a first number value of maximum sub-band channel state information contained in specific information reported on the basis of physical downlink shared channel based on the data of specific information bits capable of being reported and information bits occupied by reporting the sub-band channel state information, and compares the first number value with a second number value corresponding to the sub-band quantity contained in the current bandwidth in a comparing unit and a reporting unit, because the number of the reported sub-band channel state information is selected, the sub-band channel reported information capable of representing the whole bandwidth is selected for different number values to be reported, on one hand, the detection and calculation of a sub-band at a user equipment side are simplified, on the other hand, the state information of a downlink channel can be efficiently expressed, and a base station can obtain more accurate channel state feedback under limited resources, thereby improving the performance of the system.
On the basis of the above embodiment, the comparison unit includes:
a first determining subunit, configured to determine whether the first number value is greater than a third number value, and if so, determine the first reporting mode, where the third number value is 1/2 × the second number value;
a second determining subunit, configured to determine that the first reporting mode is the second reporting mode if the first number value is equal to 1;
a third determining subunit, configured to determine that the reporting mode is a third reporting mode if the first number value is not equal to 1 and the first number value is smaller than the third number value.
On the basis of the above embodiment, the reporting unit includes:
and the position calculating subunit is used for calculating and obtaining the position information of the reported sub-band channel state information according to a preset expression corresponding to the reporting mode, the first number value and the second data value.
On the basis of the above embodiment, the calculation unit includes:
a setting subunit, configured to set an initial value of the first number in the specific information reported by the physical downlink shared channel to a number of subbands included in a current bandwidth;
a first calculating subunit, configured to calculate, according to the initial value of the first number, an information bit number that can be used for reporting specific information in the physical downlink shared channel, and calculate, according to the information bit number, a code rate at which the specific information is obtained;
a cyclic calculation subunit, configured to, if the code rate of the specific information is greater than a preset threshold, subtract one from the initial value of the first number, and recalculate to obtain the code rate of the specific information;
and the number determining subunit is configured to determine, as a first number value, a numerical value of the corresponding first data when the code rate of the specific information is less than or equal to the preset threshold.
On the basis of the foregoing embodiment, the first calculating subunit is specifically configured to:
and preprocessing the information bit number to obtain the code rate of the specific information, wherein the preprocessing comprises cyclic redundancy check, coding, rate matching, change processing of bit data in the code block cascade process and code rate calculation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An information reporting method is characterized in that the method comprises the following steps:
calculating a first number value of maximum sub-band channel state information contained in specific information reported on the basis of physical downlink shared channel based on the specific information bit data which can be reported and information bits occupied by reporting the sub-band channel state information, wherein the specific information represents precoding matrix indication in the channel state information;
comparing the first number value with a second number value corresponding to the number of sub-bands contained in the current bandwidth, and determining a reporting mode of sub-band channel state information based on a comparison result;
determining the position information of the reported sub-band channel state information based on the reporting mode, and reporting based on the position information;
the calculating a first number value of the maximum sub-band channel state information contained in the specific information reported on the basis of the specific information bit data which can be reported and the information bit occupied by reporting the sub-band channel state information comprises the following steps:
setting the number of sub-bands contained in the current bandwidth by the initial value of the first number in the specific information reported by the physical downlink shared channel;
calculating the number of information bits which can be used for reporting specific information in the physical downlink shared channel according to the initial value of the first number, and calculating the code rate of the specific information according to the number of the information bits;
if the code rate of the specific information is greater than a preset threshold value, recalculating to obtain the code rate of the specific information after subtracting one from the initial value of the first number;
and determining the numerical value of the corresponding first data as a first number value when the code rate of the specific information is less than or equal to the preset threshold value.
2. The method of claim 1, wherein comparing the first number value with a second number value corresponding to a number of subbands included in a current bandwidth and determining a reporting mode of the subband channel state information based on a comparison result comprises:
judging whether the first number value is larger than a third number value, and if so, determining the first reporting mode, wherein the third number value is 1/2 × the second number value;
if the first number value is equal to 1, determining the first number value is a second reporting mode;
if the first number value is not equal to 1 and the first number value is smaller than the third number value, determining that the reporting mode is a third reporting mode;
the determining whether the first number value is greater than the third number value, and if so, determining that the first reporting mode is the first reporting mode, including:
determining the position of sub-band channel state information which is not reported, wherein the expression is as follows:
SB-report(m)＝disable,m＝indexomission；
determining the position of reporting sub-band channel state information, wherein the expression is as follows:
SB-report(m)＝enable,m＝oterwise；
if the first number value is equal to 1, determining that the first number value is a second reporting mode, including:
determining the position of reporting sub-band channel state information, and expressing as:
SB-report(m)＝enable,m＝index；
if the first number value is not equal to 1 and the first number value is smaller than the third number value, determining that the reporting mode is a third reporting mode, including:
determining the position of reporting sub-band channel state information, wherein the expression is as follows:
SB-report(m)＝enable,m＝index；
wherein K is the first number value and M is the second number value.
3. The method of claim 2, wherein the determining location information for reporting sub-band channel state information based on the reporting mode for reporting based on the location information comprises:
and calculating to obtain the position information of the reported sub-band channel state information according to a preset expression corresponding to the reporting mode and the first number value and the second number value.
4. The method of claim 1, wherein the calculating the code rate for obtaining the specific information according to the information bit number comprises:
and preprocessing the information bit number to obtain the code rate of the specific information, wherein the preprocessing comprises cyclic redundancy check, coding, rate matching, change processing of bit data in the code block cascade process and code rate calculation.
5. An information reporting apparatus, comprising:
a calculating unit, configured to calculate, based on information bits occupied by reportable specific information bit data and reported subband channel state information, a first number value of maximum subband channel state information included in the specific information reported on the basis of a physical downlink shared channel, where the specific information represents a precoding matrix indicator in the channel state information;
the comparison unit is used for comparing the first number value with a second number value corresponding to the number of the sub-bands contained in the current bandwidth and determining a reporting mode of the sub-band channel state information based on a comparison result;
a reporting unit, configured to determine location information of reporting sub-band channel state information based on the reporting mode, and report based on the location information;
the calculation unit includes:
a setting subunit, configured to set an initial value of the first number in the specific information reported by the physical downlink shared channel to a number of subbands included in a current bandwidth;
a first calculating subunit, configured to calculate, according to the initial value of the first number, an information bit number that can be used for reporting specific information in the physical downlink shared channel, and calculate, according to the information bit number, a code rate at which the specific information is obtained;
a cyclic calculation subunit, configured to, if the code rate of the specific information is greater than a preset threshold, subtract one from the initial value of the first number, and recalculate to obtain the code rate of the specific information;
and the number determining subunit is configured to determine, as a first number value, a numerical value of the corresponding first data when the code rate of the specific information is less than or equal to the preset threshold.
6. The apparatus of claim 5, wherein the comparison unit comprises:
a first determining subunit, configured to determine whether the first number value is greater than a third number value, and if so, determine the first reporting mode, where the third number value is 1/2 × the second number value;
a second determining subunit, configured to determine that the first reporting mode is the second reporting mode if the first number value is equal to 1;
a third determining subunit, configured to determine that the reporting mode is a third reporting mode if the first number value is not equal to 1 and the first number value is smaller than the third number value;
the determining whether the first number value is greater than the third number value, and if so, determining that the first reporting mode is the first reporting mode, including:
determining the position of sub-band channel state information which is not reported, wherein the expression is as follows:
SB-report(m)＝disable,m＝indexomission；
determining the position of reporting sub-band channel state information, wherein the expression is as follows:
SB-report(m)＝enable,m＝oterwise；
if the first number value is equal to 1, determining that the first number value is a second reporting mode, including:
determining the position of reporting sub-band channel state information, and expressing as:
SB-report(m)＝enable,m＝index；
if the first number value is not equal to 1 and the first number value is smaller than the third number value, determining that the reporting mode is a third reporting mode, including:
determining the position of reporting sub-band channel state information, wherein the expression is as follows:
SB-report(m)＝enable,m＝index；
wherein K is the first number value and M is the second number value.
7. The apparatus of claim 6, wherein the reporting unit comprises:
and the position calculating subunit is used for calculating and obtaining the position information of the reported sub-band channel state information according to a preset expression corresponding to the reporting mode, the first number value and the second number value.
8. The apparatus according to claim 5, wherein the first computing subunit is specifically configured to:
and preprocessing the information bit number to obtain the code rate of the specific information, wherein the preprocessing comprises cyclic redundancy check, coding, rate matching, change processing of bit data in the code block cascade process and code rate calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164456.4A CN109660288B (en) | 2019-03-05 | 2019-03-05 | Information reporting method and device |
Applications Claiming Priority (1)
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