Communication method and communications device

Patent metadata

Field	Value
Publication number	US-12004095-B2
Application number	US-202016875388-A
Country	US
Kind code	B2
Filing date	May 15, 2020
Priority date	Nov 17, 2017
Publication date	Jun 4, 2024
Grant date	Jun 4, 2024

Abstract

This application provides a communication method and a communications device. The method includes: determining configuration information of a plurality of synchronization signal blocks located at different frequency domain positions on one carrier, where the configuration information indicates configuration parameters of the plurality of synchronization signal blocks, the configuration parameter comprises configuration pattern indication information, and the configuration pattern indication information indicates synchronization signal blocks actually sent; and sending the configuration information to a terminal device.

First claim

What is claimed is:

1. A method, performed by a terminal device or a chip for the terminal device, comprising:
receiving configuration information from a network device; wherein the configuration information comprises a plurality of configuration parameters of a plurality of synchronization signal blocks, the plurality of synchronization signal blocks comprising different synchronization signal block bursts located at different frequency domain positions, each configuration parameter of the plurality of configuration parameters comprises respective transmission pattern information, each respective transmission pattern information indicates actually transmitted synchronization signal blocks in a synchronization signal block burst, and wherein each respective transmission pattern information is a bitmap; and
determining the actually transmitted synchronization signal blocks based on the configuration information; and
wherein, for each respective transmission pattern information, the bitmap of the respective transmission pattern information includes a plurality of bits, and each bit indicates whether there is a synchronization signal block at a position corresponding to the bit; and
wherein each configuration parameter of the plurality of configuration parameters further comprises a period for a synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

2. The method according to claim 1 , wherein the configuration information is received through radio resource control signaling.

3. The method according to claim 1 , wherein each configuration parameter of the plurality of configuration parameters further comprises:
an absolute value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter; or
an offset value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks corresponding to the respective configuration parameter relative to a specific parameter.

4. The method according to claim 1 , wherein each configuration parameter of the plurality of configuration parameters further comprises time domain position information of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

5. An apparatus, comprising:
a storage medium including executable instructions; and
a processor; wherein the executable instructions, when executed by the processor, cause the apparatus to:
receive configuration information from a network device, wherein the configuration information comprises a plurality of configuration parameters of a plurality of synchronization signal blocks, the plurality of synchronization signal blocks comprising different synchronization signal block bursts located at different frequency domain positions, each configuration parameter of the plurality of configuration parameters comprises respective transmission pattern information, each respective transmission pattern information indicates actually transmitted synchronization signal blocks in a synchronization signal block burst, and wherein each respective transmission pattern information is a bitmap; and
determining the actually transmitted synchronization signal blocks based on the configuration information; and
wherein, for each respective transmission pattern information, the bitmap of the respective transmission pattern information includes a plurality of bits, each bit of the plurality of bits indicates whether there is a synchronization signal block at a position corresponding to the bit, and each configuration parameter of the plurality of configuration parameters further comprises a period for a synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

6. The apparatus according to claim 5 , wherein the configuration information is received through radio resource control signaling.

7. The apparatus according to claim 5 , wherein each configuration parameter of the plurality of configuration parameters further comprises:
an absolute value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter; or
an offset value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter relative to a specific parameter.

8. The apparatus according to claim 5 , wherein each configuration parameter of the plurality of configuration parameters further comprises time domain position information of a synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

9. An apparatus, comprising:
a storage medium including executable instructions; and
a processor;
wherein the executable instructions, when executed by the processor, cause the apparatus to:
determine configuration information of a plurality of synchronization signal blocks, wherein the plurality of synchronization signal blocks comprising different synchronization signal block bursts located at different frequency domain positions, the configuration information comprises a plurality of configuration parameters of the plurality of synchronization signal blocks, each configuration parameter of the plurality of configuration parameters comprises respective transmission pattern information, and each respective transmission pattern information indicates actually transmitted synchronization signal blocks in a synchronization signal block burst, and wherein each respective transmission pattern information is a bitmap; and
send the configuration information and the actually transmitted synchronization signal blocks to a terminal device; and
wherein, for each respective transmission pattern information, the bitmap of the respective transmission pattern information includes a plurality of bits, and each bit indicates whether there is a synchronization signal block at a position corresponding to the bit, and each configuration parameter of the plurality of configuration parameters further comprises a period of a synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

10. The apparatus according to claim 9 , wherein the configuration information is sent through radio resource control signaling.

11. The apparatus according to claim 9 , wherein each configuration parameter of the plurality of configuration parameters further comprises:
an absolute value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter; or
an offset value of a frequency domain position of the synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter relative to a specific parameter.

12. The apparatus according to claim 9 , wherein each configuration parameter of the plurality of configuration parameters further comprises time domain position information of a synchronization signal block of the plurality of synchronization signal blocks that corresponds to the respective configuration parameter.

13. The method according to claim 1 , further comprising:
performing rate matching according t

Assignees

• Huawei Tech Co Ltd

Inventors

• Jia Qiong
• Zhu Jun
• Wu Ji
• Liu Jin
• Luo Jun

Classifications

• H04W56/001 Primary

  Synchronization between nodes · CPC title

• H04L1/1614

  using bitmaps · CPC title

• H04L27/2673

  characterised by synchronisation parameters · CPC title

• H04W72/0453

  Resources in frequency domain, e.g. a carrier in FDMA · CPC title

• H04W76/27

  Transitions between radio resource control [RRC] states · CPC title