Splitting an information block into sub-blocks

Patent metadata

Field	Value
Publication number	US-11564128-B2
Application number	US-201817266453-A
Country	US
Kind code	B2
Filing date	Aug 6, 2018
Priority date	Aug 6, 2018
Publication date	Jan 24, 2023
Grant date	Jan 24, 2023

Abstract

Embodiments of the present invention provide information transmitting and receiving methods, a user equipment, and a base station. The information transmitting method performed by the user equipment includes: receiving indication information, the indication information indicating sub-block sizes of a plurality of sub-blocks obtained by splitting an information block to be transmitted; splitting the information block to be transmitted into the plurality of sub-blocks according to the indication information; processing respective sub-blocks to generate transmission data, and transmitting the transmission data.

First claim

What is claimed is:

1. An information transmitting method performed by a user equipment, the method comprising:
receiving indication information, the indication information indicating sub-block sizes of a plurality of sub-blocks obtained by splitting an information block to be transmitted;
splitting the information block to be transmitted into the plurality of sub-blocks according to the indication information;
processing respective sub-blocks to generate transmission data, and transmitting the transmission data,
wherein, the indication information includes a modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index in a modulation and coding scheme table; and
the splitting the information block to be transmitted into the plurality of sub-blocks according to the indication information includes: obtaining indexes of sub-block sizes corresponding to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index according to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index, and determining sub-block sizes of the respective sub-blocks according to the indexes of sub-block sizes.

2. The method of claim 1 , wherein,
an information block size of the information block to be transmitted is equal to a sum of sub-block sizes of the respective sub-blocks; or
a sum of the information block size of the information block to be transmitted and a transmission additional bit length of the information block to be transmitted is equal to a sum of sub-block sizes of the respective sub-blocks and transmission additional bit lengths of the respective sub-blocks.

3. The method of claim 1 , wherein,
the indication information includes size partition ratios corresponding to the respective sub-blocks.

4. The method of claim 1 , wherein the processing respective sub-blocks comprises:
modulating the respective sub-blocks by using a first type of modulation manner, respectively.

5. A user equipment comprising:
a receiving unit configured to receive indication information, the indication information indicating sub-block sizes of a plurality of sub-blocks obtained by splitting an information block to be transmitted;
a splitting unit configured to split the information block to be transmitted into the plurality of sub-blocks according to the indication information;
a transmitting unit configured to process respective sub-blocks to generate transmission data, and transmitting the transmission data,
wherein, the indication information includes a modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index in a modulation and coding scheme table; and
the splitting unit obtains indexes of sub-block sizes corresponding to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index according to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index, and determines sub-block sizes of the respective sub-blocks according to the indexes of sub-block sizes.

6. The user equipment of claim 5 , wherein:
a sum of an information block size of the information block to be transmitted and a transmission additional bit length of the information block to be transmitted is equal to a sum of sub-block sizes of the respective sub-blocks and transmission additional bit lengths of the respective sub-blocks; or
an information block size of the information block to be transmitted is equal to a sum of sub-block sizes of the respective sub-blocks.

7. The user equipment of claim 5 , wherein,
the indication information includes size partition ratios corresponding to the respective sub-blocks.

8. The user equipment of claim 5 , wherein,
the transmitting unit modulates the respective sub-blocks by using a first type of modulation manner, respectively.

9. The user equipment of claim 5 , wherein the modulation and coding scheme table is:
a second modulation and coding scheme table obtained by changing parameters corresponding to one or more modulation and coding scheme indexes in a first modulation and coding scheme table;
a third modulation and coding scheme table obtained by adding one or more modulation and coding scheme indexes and parameters corresponding to the one or more modulation and coding scheme indexes to the first modulation and coding scheme table; or
the modulation and coding scheme table is at least one fourth modulation and coding scheme table separated from the first modulation and coding scheme table and obtained by constructing based on the modulation and coding scheme indexes and parameters corresponding to the one or more modulation and coding scheme indexes, the first modulation and coding scheme table and the at least one fourth modulation and coding scheme tables corresponding to different channel conditions and/or channel quality feedback conditions, respectively.

10. The user equipment of claim 5 , wherein,
the transmitting unit converts the respective sub-blocks into a single data sequence; and
modulates the single data sequence by using a second type of modulation manner.

11. The user equipment of claim 10 , wherein,
the parameters corresponding to the modulation and coding scheme index include constellation mapping information; and
the transmitting unit modulates the single data sequence by using the constellation mapping information.

12. The user equipment of claim 11 , wherein,
the constellation mapping information includes information of one or more initial constellations and/or adjustment factors corresponding to the initial constellations.

13. The user equipment of claim 12 , wherein,
the adjustment factors include power ratios and/or rotation angles corresponding to the initial constellations.

14. The user equipment of claim 13 , wherein,
the transmitting unit generates a synthetic constellation by using the information of the initial constellations, the power ratios and/or the rotation angles corresponding to the initial constellations, and maps the single data sequence by using the synthetic constellation.

15. The user equipment of claim 5 , wherein,
the indication information includes indication information used to indicate constellation mapping information in a constellation mapping information table.

16. A base station comprising:
a transmitting unit configured to transmit indication information, the indication information indicating sub-block sizes of a plurality of sub-blocks obtained by splitting an information block to be transmitted by a user equipment;
a receiving unit configured to receive transmission data of the user equipment, the transmission data being generated by the user equipment splitting the information block to be transmitted into the plurality of sub-blocks according to the indication information and processing respective sub-blocks,
wherein, the indication information includes a modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index in a modulation and coding scheme table; and
the receiving unit obtains indexes of sub-block sizes corresponding to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index according to the modulation and coding scheme index and/or parameters corresponding to the modulation and coding scheme index, and determines sub-block sizes of the respective sub-blocks according to the indexes of sub-block sizes.

Assignees

• Ntt Docomo Inc

Inventors

• Liu Wenjia
• Wang Runxin
• Hou Xiaolin

Classifications

• H04L1/0003

  by switching between different modulation schemes · CPC title

• H04W28/06 Primary

  Optimizing {the usage of the radio link}, e.g. header compression, information sizing {, discarding information (system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365)} · CPC title

• H04L1/0009

  by adapting the channel coding (H04L1/1812 takes precedence) · CPC title

• H04L1/0016

  involving special memory structures, e.g. look-up tables · CPC title

• H04W28/065 Primary

  using assembly or disassembly of packets · CPC title