CN107888329B - Method, system and equipment for indicating error correction coding - Google Patents
Method, system and equipment for indicating error correction coding Download PDFInfo
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- CN107888329B CN107888329B CN201610877397.1A CN201610877397A CN107888329B CN 107888329 B CN107888329 B CN 107888329B CN 201610877397 A CN201610877397 A CN 201610877397A CN 107888329 B CN107888329 B CN 107888329B
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
Abstract
The invention discloses a method, a system and equipment for indicating error correction coding, which are used for solving the problem that an error correction coding scheme in the prior art only adopts a channel coding mode and is lack of pertinence. In the embodiment of the invention, network side equipment determines configuration information corresponding to at least one TBS set configured for a terminal; the network side equipment informs the terminal of the configuration information, and the terminal receives the configuration information corresponding to at least one TBS set sent by the network side equipment; and the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set according to the configuration information. By adopting the method of the embodiment of the invention, the corresponding error correction coding mode is determined according to the configuration information corresponding to the TBS set, different TBS sets can adopt the corresponding error correction coding mode and are not limited to one error correction coding mode any more, the pertinence is better, and the performance is optimal.
Description
Technical Field
The present invention relates to the field of channel coding, and in particular, to a method, system, and device for indicating error correction coding.
Background
The error correction coding is also called channel coding, and if data is in error in the data transmission process, a receiving end can find or correct the data in error by using the error correction coding after receiving the data. The excellence of error correction coding can be measured by three parameters of error correction capability, coding efficiency and decoding complexity. The existing common error correction codes include Turbo codes, LDPC (Low Density Parity Check Code) codes and Polar (Polar) codes, for example, Turbo codes have excellent performance, almost support any Code length and Code rate, and have the lowest standardization complexity but Low parallelism; the LDPC code has advantages in high code rate, long code block performance and complexity, and under a high throughput scene, the high code rate LDPC decoding complexity is obviously much lower than that of a high code rate turbo code, but the low code rate complexity in the LDPC code is higher; polar codes easily realize ultralow code rate such as 1/24 code rate, and are more suitable for the creation of low-rate severe environment data transmission, i.e. Polar codes have advantages in short code length and ultralow code rate.
The three types of error correction coding have advantages and disadvantages, but the performance cannot reach the optimum under different scenes or different data types, and the data channel in the prior art only supports one channel coding mode of Turbo codes.
In summary, the existing error correction coding scheme can only adopt one channel coding mode, and is lack of pertinence.
Disclosure of Invention
The invention provides a method, a system and equipment for indicating error correction coding, which are used for solving the problem that an error correction coding scheme in the prior art only adopts a channel coding mode and is lack of pertinence.
The embodiment of the invention provides a method for indicating error correction coding, which comprises the following steps:
the method comprises the steps that network side equipment determines configuration information corresponding to at least one TBS set configured for a terminal;
and the network side equipment informs the configuration information to a terminal so that the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set;
the network side equipment determines the error correction coding information corresponding to the TBS set according to the following modes:
the network side equipment determines error correction coding information corresponding to the TBS set according to the related information of the TBS set; or
And the network side equipment determines error correction coding information corresponding to the TBS set according to the current application scene.
Optionally, the network side device compares the relevant information of the TBS set with a corresponding threshold, and determines error correction coding information corresponding to the TBS set according to a comparison result.
Optionally, the related information of the TBS set includes part or all of the following information:
the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
The embodiment of the invention provides a method for determining error correction coding, which comprises the following steps:
a terminal receives configuration information corresponding to at least one TBS set sent by network side equipment;
and the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set according to the configuration information.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
Optionally, the configuration information includes information related to a TBS set; the terminal determines a TBS set according to the related information of the TBS set;
and the terminal determines an error correction coding mode corresponding to the TBS set determined by the related information of the TBS set according to the corresponding relation between the TBS set and the error correction coding information.
The embodiment of the invention provides a network side device for indicating error correction coding, which comprises:
a first determining module, configured to determine configuration information corresponding to at least one TBS set configured for a terminal;
and a first transmission module, configured to notify the configuration information to a terminal, so that the terminal determines a TBS set and an error correction coding scheme corresponding to the TBS set.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set;
the first determining module is specifically configured to determine error correction coding information corresponding to the TBS set according to the following manner:
determining error correction coding information corresponding to the TBS set according to the related information of the TBS set; or
And determining error correction coding information corresponding to the TBS set according to the current application scene.
Optionally, the first determining module is specifically configured to:
and comparing the related information of the TBS set with a corresponding threshold value, and determining error correction coding information corresponding to the TBS set according to a comparison result.
Optionally, the related information of the TBS set includes part or all of the following information:
the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
An embodiment of the present invention provides a terminal for determining error correction coding, where the terminal includes:
a second transmission module, configured to receive configuration information corresponding to at least one TBS set sent by a network side device;
and a second determining module, configured to determine, according to the configuration information, a TBS set and an error correction coding scheme corresponding to the TBS set.
Optionally, the configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
Optionally, the configuration information includes information related to a TBS set;
the second determining module is specifically configured to:
determining a TBS set according to the related information of the TBS set;
and determining an error correction coding mode corresponding to the TBS set determined by the related information of the TBS set according to the corresponding relation between the TBS set and the error correction coding information.
In the embodiment of the invention, network side equipment determines configuration information corresponding to at least one TBS set configured for a terminal; the network side equipment informs the terminal of the configuration information, and the terminal receives the configuration information corresponding to at least one TBS set sent by the network side equipment; and the terminal determines a TBS set and error correction coding information corresponding to the TBS set according to the configuration information. By adopting the method of the embodiment of the invention, the corresponding error correction coding mode is determined according to the configuration information corresponding to the TBS set, different TBS sets can adopt the corresponding error correction coding mode and are not limited to one error correction coding mode, and meanwhile, different TBS sets adopt different error correction coding modes, so that the error correction coding is more targeted and the performance is optimal.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a diagram illustrating a system architecture for indicating error correction coding according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a network-side device in a system for indicating error correction coding according to a first embodiment of the present invention;
FIG. 3 is a diagram illustrating a structure of a terminal in a first system for indicating error correction coding according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a second example of a network device in a system for indicating error correction coding according to the present invention;
FIG. 5 is a diagram illustrating a structure of a terminal in a second system for indicating error correction coding according to a second embodiment of the present invention;
FIG. 6 is a diagram illustrating a method of error correction coding according to an embodiment of the present invention;
FIG. 7 is a diagram illustrating a method for determining error correction coding according to an embodiment of the present invention;
FIG. 8 is a flowchart of a process for indicating error correction coding according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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 embodiments of the present invention will be described in further detail with reference to the drawings attached hereto.
In the following description, the implementation of the network side and the terminal side is described first, and finally the implementation of the network side and the terminal side is described separately, but this does not mean that the two must be implemented in cooperation, and in fact, when the network side and the terminal side are implemented separately, the problems of the network side and the terminal side are solved. When only the two are used in combination, a better technical effect can be obtained.
As shown in fig. 1, the present embodiment indicates a system for error correction coding, which includes a network-side device 10 and a terminal 20.
A network side device 10, configured to determine configuration information corresponding to at least one TBS set configured for a terminal; and informing the configuration information to a terminal so that the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set.
A terminal 20, configured to receive configuration information corresponding to at least one TBS set sent by a network side device; and determining a TBS set and an error correction coding mode corresponding to the TBS set according to the configuration information.
The content types contained in the configuration information may be two types:
first, the configuration information includes information related to a TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
The terminal grade information corresponding to the TBS set may be grade information set according to the performance of the terminal; or the grade information corresponding to the protocol type supported by the terminal; the level information may be divided according to throughput supported by the terminal, or the level may be divided according to bandwidth supported by the terminal, taking 5G NR (New Radio ) as an example, assuming that each carrier is 100Mhz, terminals in different levels may support different numbers of carriers, for example, a level 1 terminal supports more than 20 carriers; the terminal of class 2 supports 20-10 carriers; level 3 supports less than 10 carriers. There are many ways of ranking, and all equivalent information that can represent terminal information is applicable to the embodiments of the present invention.
When the configuration information only includes the relevant information of the TBS set, it is determined that the error correction coding is mainly performed by the terminal 20, and the specific process is as follows:
the network side device 10 notifies the terminal 20 of the relevant information of the TBS set;
the terminal 20 receives the relevant information of the TBS set notified by the network side device 10;
the terminal 20 determines a TBS set according to the relevant information of the TBS set;
the terminal 20 determines the error correction coding mode corresponding to the TBS set determined by the relevant information of the TBS set according to the correspondence between the TBS set and the error correction coding information.
After the network side device 10 determines the configuration information corresponding to the TBS set configured for the terminal 20, the network side device 10 notifies the terminal 20 of the relevant information of the TBS set, which may specifically notify the terminal 20 in the following manner:
1. the network side device 10 notifies the terminal 20 of the relevant information of the TBS set through dynamic signaling; for example, the network side device 10 may directly notify the employed TBS set through dynamic signaling.
2. The network side device 10 notifies the terminal 20 of the relevant information of the TBS set through static or semi-static signaling. For example, the network side device 10 notifies the terminal 20 of the information related to the TBS set by using semi-static signaling, such as RRC (Radio Resource Control).
3. The network side device 10 sends the search parameter of the TBS set to the terminal 20, and after receiving the search parameter of the TBS set, the terminal 20 determines the TBS set according to the search parameter.
In this case, the correspondence between the TBS set and the error correction coding information is stored in the terminal 20, and after the terminal 20 determines the TBS set from the information related to the TBS set, the corresponding error correction coding scheme can be determined based on the existing correspondence.
The error correction coding information may be identification information corresponding to various error correction coding modes, or may also be category information of various error correction coding modes, and all error correction coding information that can determine an error correction coding mode are suitable for the embodiment of the present invention.
Second, the configuration information includes information related to a TBS set and error correction coding information corresponding to the TBS set.
When the configuration information includes information related to the TBS set and error correction coding information corresponding to the TBS set, it is determined that error correction coding is mainly performed by the network side device 10.
The network side device 10 determines that there are many error correction coding information corresponding to the TBS set, which are listed as follows:
the first method is as follows: the network side device 10 determines error correction coding information corresponding to the TBS set according to the relevant information of the TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
The network side device 10 may determine the error correction coding information corresponding to the TBS set according to part or all of the above information, that is, the network side device 10 may determine the error correction coding information corresponding to the TBS set only by one of the above information, or may determine the error correction coding information corresponding to the TBS set only by multiple types of the above information, for example, the network side device 10 may determine the error correction coding information corresponding to the TBS set only by a code rate of error correction coding, or may determine the error correction coding information corresponding to the TBS set by a code rate of error correction coding and a code length of error correction coding.
The specific determination method mainly comprises the steps of comparing relevant information of a TBS set with a corresponding threshold value, and determining error correction coding information corresponding to the TBS set according to a comparison result;
distance description is respectively carried out below on the code rate of error correction coding, the code length of error correction coding, the information bit length of error correction coding and the terminal grade information corresponding to the TBS set, and the error correction coding information corresponding to the TBS set is determined by comparing the terminal grade information with the corresponding threshold value:
firstly, determining error correction coding information corresponding to a TBS set according to a code rate of error correction coding;
for example, when the code rate threshold corresponding to the code rate determination is set to 3/4, and when the code rate of the error correction coding is less than 3/4, a Turbo code with better performance at the medium-low code rate is selected, in this case, the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the Turbo code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or multiple TBS sets by using the Turbo code. When the code rate of the error correction coding is not less than 3/4, an LDPC code with better high and low code rate performance is selected, in this case, the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on data received or transmitted on the selected TBS set or multiple TBS sets by using the LDPC code.
It should be noted that the TBS set may be set as a plurality of explicit TBS sets, that is, error correction coding information corresponds to an explicit TBS set, or may be set as one TBS set, but includes a plurality of implicit TBS sets, that is, error correction coding information corresponds to an implicit TBS set, where the implicit TBS set may be divided by a certain TBS threshold value or by a preset implicit TBS set corresponding to a certain specific error correction coding information, and there are many TBS set setting manners, which are all applicable to the embodiments of the present invention.
Secondly, determining error correction coding information corresponding to the TBS set according to the code length of the error correction coding;
for example, the code length threshold corresponding to the code length determination is set to be 1000 bits (bits), and when the code length of the error correction coding is less than 1000 bits, a Polar code with better short code length performance is selected, in this case, the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the Polar code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or multiple TBS sets by using the Polar code. When the code length of the error correction coding is not less than 1000Bit, an LDPC code with better long code length performance is selected, in this case, the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on data received or transmitted on the selected TBS set or multiple TBS sets by using the LDPC code.
It should be noted that the TBS set may be set as a plurality of explicit TBS sets, that is, error correction coding information corresponds to an explicit TBS set, or may be set as one TBS set, but includes a plurality of implicit TBS sets, that is, error correction coding information corresponds to an implicit TBS set, where the implicit TBS set may be divided by a certain TBS threshold value, or may be divided by a preset implicit TBS set corresponding to a certain specific error correction coding information, and the setting manner of the TBS set is many, and all the setting manners of the TBS set are applicable to the embodiments of the present invention.
Thirdly, determining error correction coding information corresponding to the TBS set according to the information bit length of the error correction coding;
for example, the information bit length threshold corresponding to the information bit length determination is 6144 bits, and a Turbo code is selected when the information bit length of the error correction coding is less than 6144 bits, in which case the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the Turbo code, so that the terminal 20 performs error correction coding on the data received or transmitted in the selected TBS set or multiple TBS sets by using the Turbo code. In this case, the network-side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or multiple TBS sets by using the LDPC code.
It should be noted that the TBS set may be set as a plurality of explicit TBS sets, that is, error correction coding information corresponds to an explicit TBS set, or may be set as one TBS set, but includes a plurality of implicit TBS sets, that is, error correction coding information corresponds to an implicit TBS set, where the implicit TBS set may be divided by a certain TBS threshold value or by a preset implicit TBS set corresponding to a certain specific error correction coding information, and there are many TBS set setting manners, which are all applicable to the embodiments of the present invention.
Fourthly, determining error correction coding information corresponding to the TBS set according to the terminal grade information corresponding to the TBS set;
taking terminal grade information corresponding to the TBS set as grade information divided according to throughput information supported by the terminal, setting the grade of the terminal to be 1 grade if the throughput supported by the terminal is greater than 20Gpbs (gigabit Per Second), setting the grade of the terminal to be 2 grade if the throughput supported by the terminal is greater than 10Gpbs and is not greater than 20Gpbs, and setting the grade of the terminal to be 3 grade if the throughput supported by the terminal is not greater than 10 Gpbs.
For example, if the rank threshold corresponding to the new determination of the terminal rank is set to 1, and the LDPC code is selected when the terminal rank is not less than 1, in this case, the network-side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on the data received or transmitted in the selected TBS set or multiple TBS sets by using the LDPC code. When the terminal rank is less than 1, a Turbo code is selected, in which case the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the Turbo code, so that the data received by the terminal 20 or transmitted on the selected TBS set or multiple TBS sets is error correction coded by using the Turbo code.
It should be noted that the TBS set may be set as a plurality of explicit TBS sets, that is, error correction coding information corresponds to an explicit TBS set, or may be set as one TBS set, but includes a plurality of implicit TBS sets, that is, error correction coding information corresponds to an implicit TBS set, where the implicit TBS set may be divided by a certain TBS threshold value or by a preset implicit TBS set corresponding to a certain specific error correction coding information, and there are many TBS set setting manners, which are all applicable to the embodiments of the present invention.
In the above, the error correction coding information corresponding to the TBS set may also be determined by various information, for example, the error correction coding information corresponding to the TBS set is determined by the code rate of the over error correction coding and the information bit length of the error correction coding, which is briefly illustrated below,
for example, a code rate threshold 3/4 corresponding to the determination of the code rate is set, and an information bit length threshold corresponding to the determination of the information bit length is 6144 bits. When the code rate of the error correction coding is less than 3/4, the relationship between the information bit length of the error correction coding and the corresponding information bit length threshold is determined, and when the information bit length of the error correction coding is less than 6144 bits, a Turbo code is selected, in which case the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the Turbo code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or sets by using the Turbo code. When the length of the error correction coded information bit is not less than 6144 bits, the LDPC code is selected, in which case the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or multiple TBS sets by using the LDPC code. When the code rate of the error correction coding is not less than 3/4, the relationship between the information bit length of the error correction coding and the corresponding information bit length threshold is determined, and a Turbo code is selected when the information bit length of the error correction coding is less than 6144 bits, in which case the network side device 10 may select one TBS set or multiple TBS sets corresponding to the Turbo code according to actual needs, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or sets by using the Turbo code. The LDPC code is selected when the length of the error correction coded information bits is not less than 6144 bits, in this case, the network side device 10 may select one TBS set or multiple TBS sets according to actual needs to correspond to the LDPC code, so that the terminal 20 performs error correction coding on the data received or transmitted on the selected TBS set or multiple TBS sets by using the LDPC code.
The threshold setting values in the above description are all examples, and the threshold setting values are not limited to the above, and may be set according to actual needs.
The Turbo code, the LDPC code, and the Polar code are only three types of error correction codes, and actually, there are many types of error correction codes, and all the error correction codes are suitable for the embodiment of the present invention.
It should be noted that there are various information related to the TBS set, various types of error correction coding, and there are many corresponding relationships between them, and the above description is only an example, and all the ways of determining error correction coding by using the information related to the TBS set belong to the scope of the present invention.
The second method comprises the following steps: the network side device 10 determines error correction coding information corresponding to the TBS set according to the current application scenario;
the network side device 10 may determine different TBS sets according to a current application scenario, where the different TBS sets correspond to different error correction coding information, for example, an LDPC code is selected for error correction coding in an eMBB (Enhanced Mobile Broadband) scenario, in this case, the network side device 10 may select one TBS set or multiple TBS sets to correspond to the LDPC code according to actual needs, so that data received by the terminal 20 on the selected TBS set or multiple TBS sets or transmitted data is error correction coded by the LDPC code.
In mtc (Massive Machine Type Communications, Massive Low power consumption connections) and URLLC (Ultra-Reliable and Low Latency high reliability Communications, Low Latency high reliability Communications), a network side device 10 may select one TBS set or multiple TBS sets to correspond to a Turbo code according to actual needs, so that data received or transmitted by the terminal 20 on the selected TBS set or multiple TBS sets is error-corrected and encoded using the Turbo code.
It should be noted that, in the eMBB scenario, data transmission with a large data packet and high throughput is mainly performed, so that an LDPC code with better performance in the high throughput scenario is selected, and in the URLIC scenario and the mtc scenario, data transmission with a small data packet is mainly performed, so that a Turbo code with better flexibility is selected.
It should be noted that the TBS set may be set as a plurality of explicit TBS sets, that is, error correction coding information corresponds to an explicit TBS set, or may be set as one TBS set, but includes a plurality of implicit TBS sets, that is, error correction coding information corresponds to an implicit TBS set, where the implicit TBS set may be divided by a certain TBS threshold value or by a preset implicit TBS set corresponding to a certain specific error correction coding information, and there are many TBS set setting manners, which are all applicable to the embodiments of the present invention.
After the network side device 10 determines the configuration information corresponding to the TBS set configured for the terminal 20, the network side device 10 notifies the terminal 20 of the configuration information, which may specifically be as follows:
1. the network side device 10 notifies the terminal 20 of the relevant information of the TBS set and the error correction coding information corresponding to the TBS set through dynamic signaling; for example, the network side device 10 may directly notify the employed TBS set through dynamic signaling.
2. The network side device 10 notifies the terminal 20 of the relevant information of the TBS set and the error correction coding information corresponding to the TBS set through static or semi-static signaling. For example, the network side device 10 notifies the terminal 20 of the information related to the TBS set and the determined error correction coding information through semi-static signaling by RRC.
3. The network side device 10 sends the search parameter of the TBS set to the terminal 20, and after receiving the search parameter of the TBS set, the terminal 20 determines the TBS set according to the search parameter. For example, the search parameter may be a source bit of the TBS set, and the terminal 20 determines the TBS set according to the source bit.
The terminal receives the relevant information of the TBS set and the error correction coding information corresponding to the TBS set sent by the network side equipment;
the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set according to the related information of the TBS set and the error correction coding information corresponding to the TBS set;
and the terminal adopts the determined error correction coding mode to carry out error correction coding on the data received or transmitted through the corresponding TBS set.
As shown in fig. 2, a network device in a system indicating error correction coding according to an embodiment of the present invention includes: a first determination module 200 and a first transmission module 201.
A first determining module 200, configured to determine configuration information corresponding to at least one TBS set configured for a terminal;
a first transmission module 201, configured to notify the configuration information to a terminal, so that the terminal determines a TBS set and error correction coding information corresponding to the TBS set.
The content types contained in the configuration information may be two types:
first, the configuration information includes information related to a TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
When the configuration information only contains relevant information of the TBS set, the terminal mainly determines error correction coding.
After the first determining module 200 determines the configuration information corresponding to the TBS set configured for the terminal, the first transmitting module 201 notifies the terminal of the relevant information of the TBS set, which may specifically be notified to the terminal in the following manner:
1. the first transmission module 201 notifies the terminal of the relevant information of the TBS set through dynamic signaling; for example, the first transmission module 201 may directly inform the employed TBS set through dynamic signaling.
2. The first transmission module 201 notifies the terminal of the relevant information of the TBS set through static or semi-static signaling.
3. The first transmission module 201 sends the search parameters of the TBS set to the terminal, and the terminal determines the TBS set according to the search parameters after receiving the search parameters of the TBS set.
Second, the configuration information includes information related to a TBS set and error correction coding information corresponding to the TBS set.
And when the configuration information contains the relevant information of the TBS set and the error correction coding information corresponding to the TBS set, determining that the error correction coding is mainly performed by network side equipment.
The first determining module 200 determines that there are many error correction coding information corresponding to the TBS set, which are listed as follows:
the first method is as follows: the first determining module 200 determines error correction coding information corresponding to the TBS set according to the related information of the TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
The specific determination method mainly comprises the steps of comparing relevant information of a TBS set with a corresponding threshold value, and determining error correction coding information corresponding to the TBS set according to a comparison result;
the second method comprises the following steps: the first determining module 200 determines error correction coding information corresponding to the TBS set according to a current application scenario;
the first determining module 200 may determine different TBS sets according to a current application scenario, where the different TBS sets correspond to different error correction coding information.
After the first determining module 200 determines the configuration information corresponding to the TBS set configured for the terminal, the first transmitting module 201 notifies the terminal of the configuration information, which may specifically be notified to the terminal in the following manner:
1. the first transmission module 201 notifies the terminal of the relevant information of the TBS set and the error correction coding information corresponding to the TBS set through dynamic signaling.
2. The first transmission module 201 notifies the terminal of the relevant information of the TBS set and the error correction coding information corresponding to the TBS set through static or semi-static signaling.
3. The first transmission module 201 sends the search parameters of the TBS set to the terminal, and the terminal determines the TBS set according to the search parameters after receiving the search parameters of the TBS set.
As shown in fig. 3, a terminal in a system indicating error correction coding according to an embodiment of the present invention includes: a second transmission module 300 and a second determination module 301.
A second transmission module 300, configured to receive configuration information corresponding to at least one TBS set sent by a network side device;
a second determining module 301, configured to determine a TBS set and an error correction coding scheme corresponding to the TBS set according to the configuration information.
The content types contained in the configuration information may be two types:
first, the configuration information includes information related to a TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
When the configuration information only includes the relevant information of the TBS set, it is determined that error correction coding is mainly performed by the terminal, and the specific process is as follows:
the second transmission module 300 receives the related information of the TBS set notified by the network side device;
the second determining module 301 determines a TBS set according to the related information of the TBS set;
in this case, the second determining module 301 stores the correspondence between the TBS set and the error correction coding information, and after the second determining module 301 determines the TBS set from the related information of the TBS set, the corresponding error correction coding scheme may be determined according to the existing correspondence.
Second, the configuration information includes information related to a TBS set and error correction coding information corresponding to the TBS set.
And when the configuration information contains the relevant information of the TBS set and the error correction coding information corresponding to the TBS set, determining that the error correction coding is mainly performed by network side equipment.
The second transmission module 300 receives the related information of the TBS set and the error correction coding information corresponding to the TBS set sent by the network side device;
the second determining module 301 determines a TBS set and an error correction coding scheme corresponding to the TBS set according to the related information of the TBS set and the error correction coding information corresponding to the TBS set.
As shown in fig. 4, a network device in a system indicating error correction coding according to an embodiment of the present invention includes: bus 400, processor 401, transceiver 402, bus interface 403, memory 404, and antenna 405.
A processor 401 for reading the program in the memory 404 and executing the following processes:
determining configuration information corresponding to at least one TBS set configured for a terminal;
notifying the terminal of the configuration information via the transceiver 402; and the terminal determines a TBS set and error correction coding information corresponding to the TBS set, and performs error correction coding on the data received through the corresponding TBS set by adopting the determined error correction coding information.
A transceiver 402 for receiving and transmitting data under the control of the processor 401.
The content types contained in the configuration information may be two types:
first, the configuration information includes information related to a TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
When the configuration information only contains relevant information of the TBS set, the terminal mainly determines error correction coding.
After the processor 401 determines configuration information corresponding to a TBS set configured for a terminal, the transceiver 402 notifies the terminal of relevant information of the TBS set, which may specifically be notified to the terminal in the following manner:
1. the transceiver 402 informs the terminal about the TBS set through dynamic signaling.
2. The transceiver 402 informs the terminal about the TBS set through static or semi-static signaling.
3. The transceiver 402 sends the search parameters of the TBS set to the terminal, and the terminal determines the TBS set according to the search parameters after receiving the search parameters of the TBS set.
Second, the configuration information includes information related to a TBS set and error correction coding information corresponding to the TBS set.
And when the configuration information contains the relevant information of the TBS set and the error correction coding information corresponding to the TBS set, determining that the error correction coding is mainly performed by network side equipment.
The processor 401 determines that there are many error correction coding information corresponding to the TBS set, which are listed as follows:
the first method is as follows: the processor 401 determines error correction coding information corresponding to the TBS set according to the related information of the TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
The specific determination method is mainly to compare the relevant information of the TBS set with the corresponding threshold, and determine the error correction coding information corresponding to the TBS set according to the comparison result.
The second method comprises the following steps: the processor 401 determines error correction coding information corresponding to the TBS set according to the current application scenario;
after the processor 401 determines the configuration information corresponding to the TBS set configured for the terminal, the transceiver 402 may notify the terminal of the relevant information of the TBS set and the error correction coding information corresponding to the TBS set, specifically, the terminal may be notified in the following manner:
1. the transceiver 402 notifies the terminal of the information related to the TBS set and the error correction coding information corresponding to the TBS set through dynamic signaling. 2. The transceiver 402 notifies the terminal of the information related to the TBS set and the error correction coding information corresponding to the TBS set through static or semi-static signaling.
3. The transceiver 402 sends the search parameters of the TBS set to the terminal, and the terminal determines the TBS set according to the search parameters after receiving the search parameters of the TBS set.
In fig. 4, a bus architecture (represented by bus 400), bus 400 may include any number of interconnected buses and bridges, bus 400 linking together various circuits including one or more processors, represented by processor 401, and memory, represented by memory 404. The bus 400 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 403 provides an interface between the bus 400 and the transceiver 402. The transceiver 402 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. Data processed by processor 401 is transmitted over a wireless medium via antenna 405, and further, antenna 405 receives data and transmits data to processor 401.
Alternatively, the processor 401 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a CPLD (Complex Programmable Logic Device).
As shown in fig. 5, a terminal in a system indicating error correction coding according to an embodiment of the present invention includes: bus 500, processor 501, transceiver 502, bus interface 503, memory 504, user interface 505
The processor 501 is configured to read the program in the memory 504, and execute the following processes:
determining a TBS set and an error correction coding mode corresponding to the TBS set according to the configuration information;
receiving configuration information corresponding to at least one TBS set sent by a network side device through a transceiver 502; and determining a TBS set and error correction coding information corresponding to the TBS set according to the configuration information. A transceiver 502 for receiving and transmitting data under the control of the processor 501.
The content types contained in the configuration information may be two types:
first, the configuration information includes information related to a TBS set.
Wherein, the related information of the TBS set includes, but is not limited to, part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
When the configuration information only includes the relevant information of the TBS set, it is determined that error correction coding is mainly performed by the terminal, and the specific process is as follows:
the transceiver 502 receives the relevant information of the TBS set notified by the network side device;
the processor 501 determines an error correction coding method corresponding to the TBS set determined by the relevant information of the TBS set according to the correspondence between the TBS set and the error correction coding information.
In this case, the processor 501 stores the correspondence between the TBS set and the error correction coding information, and after the processor 501 determines the TBS set from the information related to the TBS set, the corresponding error correction coding information can be determined according to the existing correspondence.
Second, the configuration information includes information related to a TBS set and error correction coding information corresponding to the TBS set.
And when the configuration information contains the relevant information of the TBS set and the error correction coding information corresponding to the TBS set, determining that the error correction coding is mainly performed by network side equipment.
The transceiver 502 receives the relevant information of the TBS set and the error correction coding information corresponding to the TBS set sent by the network side device;
the processor 501 determines a TBS set and an error correction coding scheme corresponding to the TBS set according to the information related to the TBS set and the error correction coding information corresponding to the TBS set.
In fig. 5, a bus architecture (represented by bus 500), bus 500 may include any number of interconnected buses and bridges, bus 500 linking together various circuits including one or more processors, represented by general purpose processor 501, and memory, represented by memory 504. The bus 500 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 503 provides an interface between the bus 500 and the transceiver 502. The transceiver 502 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. For example: the transceiver 502 receives external data from other devices. The transceiver 502 is used for transmitting data processed by the processor 501 to other devices. Depending on the nature of the computing system, a user interface 505, such as a keypad, display, speaker, microphone, joystick, may also be provided.
The processor 501 is responsible for managing the bus 500 and general processing, such as running a general-purpose operating system as described above. And memory 504 may be used to store data used by processor 501 in performing operations.
Alternatively, the processor 501 may be a CPU, ASIC, FPGA or CPLD.
Based on the same inventive concept, the embodiment of the present disclosure also provides a method for indicating error correction coding, because the principle of the method for solving the problem is similar to the system for indicating error correction coding in the embodiment of the present disclosure, the implementation of the method can refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 6, an embodiment of the present invention provides a method for indicating error correction coding, including:
601, a network side device determines configuration information corresponding to at least one TBS set configured for a terminal;
The configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
If the configuration information comprises related information of a TBS set and error correction coding information corresponding to the TBS set;
the network side equipment determines the error correction coding information corresponding to the TBS set according to the following modes:
the network side equipment determines error correction coding information corresponding to the TBS set according to the related information of the TBS set; or
And the network side equipment determines error correction coding information corresponding to the TBS set according to the current application scene.
And the network side equipment compares the relevant information of the TBS set with a corresponding threshold value, and determines the error correction coding information corresponding to the TBS set according to the comparison result.
Wherein the related information of the TBS set includes part or all of the following information:
the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal level information corresponding to the TBS set.
Based on the same inventive concept, the embodiment of the present disclosure also provides a method for determining error correction coding, because the principle of the method for solving the problem is similar to the system for indicating error correction coding in the embodiment of the present disclosure, the implementation of the method can refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 7, an embodiment of the present invention provides a method for determining error correction coding, including:
The configuration information includes related information of a TBS set and error correction coding information corresponding to the TBS set; or
The configuration information includes information related to a TBS set.
If the configuration information comprises relevant information of the TBS set;
the terminal determines a TBS set according to the related information of the TBS set;
and the terminal determines an error correction coding mode corresponding to the TBS set determined by the related information of the TBS set according to the corresponding relation between the TBS set and the error correction coding information.
As shown in fig. 8, an embodiment of the present invention is directed to a process flow diagram for error correction coding, comprising the steps of:
step 801, a network side device configures at least one TBS set for a terminal;
step 802, the network side device determines error correction coding information corresponding to the TBS set according to the relevant information of the TBS set;
step 803, the network side device sends the relevant information of the TBS set and the error correction coding information corresponding to the TBS set to the terminal;
step 804, the terminal receives the related information of the TBS set and the error correction coding information corresponding to the TBS set;
step 805, the terminal determines a TBS set and an error correction coding scheme corresponding to the TBS set.
The present application is described above with reference to block diagrams and/or flowchart illustrations of methods, apparatus (systems) and/or computer program products according to embodiments of the application. It will be understood that one block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, and/or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer and/or other programmable data processing apparatus, create means for implementing the functions/acts specified in the block diagrams and/or flowchart block or blocks.
Accordingly, the subject application may also be embodied in hardware and/or in software (including firmware, resident software, micro-code, etc.). Furthermore, the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code embodied in the medium for use by or in connection with an instruction execution system. In the context of this application, a computer-usable or computer-readable medium may be any medium that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for indicating error correction coding, the method comprising:
the method comprises the steps that network side equipment determines configuration information corresponding to at least one TBS set configured for a terminal; the configuration information comprises related information of a TBS set and error correction coding information corresponding to the TBS set; or the configuration information comprises information related to a TBS set; the related information of the TBS set includes part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal grade information corresponding to the TBS set;
the network side device notifies the configuration information to a terminal, so that the terminal determines a TBS set and a type of error correction coding corresponding to the TBS set, where the type of error correction coding at least includes: turbo codes, low density parity check codes, and polar codes.
2. The method of claim 1, wherein the configuration information comprises information related to a TBS set and error correction coding information corresponding to the TBS set;
the network side equipment determines the error correction coding information corresponding to the TBS set according to the following modes:
the network side equipment determines error correction coding information corresponding to the TBS set according to the related information of the TBS set; or
And the network side equipment determines error correction coding information corresponding to the TBS set according to the current application scene.
3. The method of claim 2, wherein the determining, by the network-side device, error correction coding information corresponding to the TBS set according to the information related to the TBS set comprises:
and the network side equipment compares the relevant information of the TBS set with a corresponding threshold value, and determines error correction coding information corresponding to the TBS set according to a comparison result.
4. A method of determining error correction coding, the method comprising:
a terminal receives configuration information corresponding to at least one TBS set sent by network side equipment; the configuration information comprises related information of a TBS set and error correction coding information corresponding to the TBS set; or the configuration information comprises information related to a TBS set; the related information of the TBS set includes part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal grade information corresponding to the TBS set;
the terminal determines a TBS set and a type of error correction coding corresponding to the TBS set according to the configuration information, where the type of error correction coding at least includes: turbo codes, low density parity check codes, and polar codes.
5. The method of claim 4, wherein the configuration information comprises information related to a TBS set;
the terminal determines a TBS set and an error correction coding mode corresponding to the TBS set according to the configuration information, and the method comprises the following steps:
the terminal determines a TBS set according to the related information of the TBS set;
and the terminal determines an error correction coding mode corresponding to the TBS set determined by the related information of the TBS set according to the corresponding relation between the TBS set and the error correction coding information.
6. A network side device for indicating error correction coding, the network side device comprising:
a first determining module, configured to determine configuration information corresponding to at least one TBS set configured for a terminal; the configuration information comprises related information of a TBS set and error correction coding information corresponding to the TBS set; or the configuration information comprises information related to a TBS set; the related information of the TBS set includes part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal grade information corresponding to the TBS set;
a first transmission module, configured to notify the configuration information to a terminal, so that the terminal determines a TBS set and a type of error correction coding corresponding to the TBS set, where the type of error correction coding at least includes: turbo codes, low density parity check codes, and polar codes.
7. The network-side device of claim 6, wherein the configuration information comprises information related to a TBS set and error correction coding information corresponding to the TBS set;
the first determining module is specifically configured to determine error correction coding information corresponding to the TBS set according to the following manner:
determining error correction coding information corresponding to the TBS set according to the related information of the TBS set; or
And determining error correction coding information corresponding to the TBS set according to the current application scene.
8. The network-side device of claim 7, wherein the first determining module is specifically configured to:
and comparing the related information of the TBS set with a corresponding threshold value, and determining error correction coding information corresponding to the TBS set according to a comparison result.
9. A terminal for determining error correction coding, the terminal comprising:
a second transmission module, configured to receive configuration information corresponding to at least one TBS set sent by a network side device; the configuration information comprises related information of a TBS set and error correction coding information corresponding to the TBS set; or the configuration information comprises information related to a TBS set; the related information of the TBS set includes part or all of the following information: the code rate of the error correction coding, the code length of the error correction coding, the information bit length of the error correction coding and the terminal grade information corresponding to the TBS set;
a second determining module, configured to determine, according to the configuration information, a TBS set and a type of error correction coding corresponding to the TBS set, where the type of error correction coding at least includes: turbo codes, low density parity check codes, and polar codes.
10. The terminal of claim 9, wherein the configuration information comprises information related to a TBS set;
the second determining module is specifically configured to:
determining a TBS set according to the related information of the TBS set;
and determining an error correction coding mode corresponding to the TBS set determined by the related information of the TBS set according to the corresponding relation between the TBS set and the error correction coding information.
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| US7814392B2 (en) * | 2003-06-20 | 2010-10-12 | Intel Corporation | System, apparatus and methods of dynamically determined error correction codes in communication systems |
| CN101296009B (en) * | 2008-06-27 | 2012-05-16 | 中兴通讯股份有限公司 | Downlink self-adapting method |
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