Method and apparatus for determining initial bandwidth part BWP, and storage medium

Patent metadata

Field	Value
Publication number	US-12414057-B2
Application number	US-202217870499-A
Country	US
Kind code	B2
Filing date	Jul 21, 2022
Priority date	Jan 22, 2020
Publication date	Sep 9, 2025
Grant date	Sep 9, 2025

Abstract

The present disclosure relates to methods and apparatus for determining an initial bandwidth part. One example method includes determining a frequency resource of a first initial BWP, where the frequency resource of the first initial BWP is included in a frequency resource of a second initial BWP, the frequency resource of the first initial BWP corresponds to a first-type terminal device, the frequency resource of the second initial BWP corresponds to a second-type terminal device, and the terminal devices of two types have different capabilities.

First claim

What is claimed is:

1. A communication method, wherein the method is applicable to a first-type terminal device or a chip of the first-type terminal device, the first-type terminal device is a new radio (NR) reduced capability terminal device, and the method comprises:
receiving a synchronization signal block (SSB) from a network device;
receiving a system information block (SIB 1 ) from the network device, wherein the SIB 1 configures a frequency resource of a first initial bandwidth part (BWP);
determining the frequency resource of the first initial BWP corresponding to the first-type terminal device, wherein the frequency resource of the first initial BWP does not overlap a frequency resource of the SSB; and
receiving signaling or data from the network device based on the frequency resource of the first initial BWP;
wherein the frequency resource of the SSB overlaps a second initial BWP corresponding to a second-type terminal device, the first-type terminal device and the second-type terminal device have different capabilities, and the second-type terminal device is not an NR reduced capability terminal device.

2. The method according to claim 1 , wherein the first-type terminal device and the second-type terminal device have different capabilities comprises at least one of the following:
the first-type terminal device and the second-type terminal device have different bandwidth capabilities;
the first-type terminal device and the second-type terminal device have different quantities of transmit and receive antennas; or
the first-type terminal device and the second-type terminal device have different maximum uplink transmit powers.

3. The method according to claim 1 , wherein the first initial BWP comprises at least one of:
system information or control information for scheduling transmission of the system information;
paging information or control information for scheduling transmission of the paging information; and
random access response information.

4. The method according to claim 1 , wherein the first initial BWP is an initial BWP of the first-type terminal device in radio resource control (RRC) idle state or RRC inactive state.

5. A communication method, wherein the method is applicable to a network device or a chip of the network device, and the method comprises:
transmitting a synchronization signal block (SSB);
transmitting a system information block (SIB 1 ), wherein the SIB 1 configures a frequency resource of a first initial bandwidth part (BWP) corresponding to a first-type terminal device, and wherein the frequency resource of the first initial BWP does not overlap a frequency resource of the SSB; and
transmitting signaling or data to the first-type terminal device based on the frequency resource of the first initial BWP, wherein the first-type terminal device is a new radio (NR) reduced capability terminal device;
wherein the frequency resource of the SSB overlaps a second initial BWP corresponding to a second-type terminal device, the first-type terminal device and the second-type terminal device have different capabilities, and the second-type terminal device is not an NR reduced capability terminal device.

6. The method according to claim 5 , wherein that the first-type terminal device and the second-type terminal device have different capabilities comprises at least one of the following:
the first-type terminal device and the second-type terminal device have different bandwidth capabilities;
the first-type terminal device and the second-type terminal device have different quantities of transmit and receive antennas; or
the first-type terminal device and the second-type terminal device have different maximum uplink transmit powers.

7. The method according to claim 5 , wherein the first initial BWP comprises at least one of:
system information or control information for scheduling transmission of the system information;
paging information or control information for scheduling transmission of the paging information; and
random access response information.

8. The method according to claim 5 , wherein the first initial BWP is an initial BWP of the first-type terminal device in radio resource control (RRC) idle state or RRC inactive state.

9. An apparatus, wherein the apparatus is a new radio (NR) reduced capability terminal device or a chip of the NR reduced capability terminal device, the apparatus comprising:
one or more processors; and
one or more memories coupled to the one or more processors and storing programming instructions for execution by the one or more processors to cause the apparatus to perform operations comprising:
receiving a synchronization signal block (SSB) from a network device;
receiving a system information block (SIB 1 ) from the network device, wherein the SIB 1 configures a frequency resource of a first initial bandwidth part (BWP);
determining the frequency resource of the first initial BWP corresponding to the apparatus, wherein the frequency resource of the first initial BWP does not overlap a frequency resource of the SSB; and
receiving signaling or data from the network device based on the frequency resource of the first initial BWP;
wherein the frequency resource of the SSB overlaps a second initial BWP corresponding to a second apparatus, the apparatus and the second apparatus have different capabilities, and the second apparatus is not an NR reduced capability terminal device.

10. The apparatus according to claim 9 , wherein the apparatus and the second apparatus have different capabilities comprises at least one of the following:
the apparatus and the second apparatus have different bandwidth capabilities;
the apparatus and the second apparatus have different quantities of transmit and receive antennas; or
the apparatus and the second apparatus have different maximum uplink transmit powers.

11. The apparatus according to claim 9 , wherein the first initial BWP comprises at least one of:
system information or control information for scheduling transmission of the system information;
paging information or control information for scheduling transmission of the paging information; and
random access response information.

12. The apparatus according to claim 9 , wherein the first initial BWP is an initial BWP of the apparatus in radio resource control (RRC) idle state or RRC inactive state.

13. An apparatus, comprising:
one or more processors; and
one or more memories coupled to the one or more processors and storing programming instructions for execution by the one or more processors to cause the apparatus to perform operations comprising:
transmitting a synchronization signal block (SSB);
transmitting a system information block (SIB 1 ), wherein the SIB 1 configures a frequency resource of a first initial bandwidth part (BWP) corresponding to a first-type terminal device, and wherein the frequency resource of the first initial BWP does not overlap a frequency resource of the SSB; and
transmitting signaling or data to the first-type terminal device based on the frequency resource of the first initial BWP, wherein the first-type terminal device is a new radio (NR) reduced capability terminal device;
wherein the frequency resource of the SSB overlaps a second initial BWP corresponding to a second-type terminal device, the first-type terminal device and the second-type terminal device have different capabilities, and the second-type terminal device is not an NR reduced capability terminal device.

14. The apparatus according to claim 13 , wherein the first-type terminal device and the second-type terminal device have differen

Assignees

• Huawei Tech Co Ltd

Inventors

• Zheng Juan
• Li Chaojun
• Hou Hailong
• Jin Zhe

Classifications

• H04W72/51 Primary

  based on terminal or device properties · CPC title

• H04W72/0453 Primary

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

• H04W68/005

  Transmission of information for alerting of incoming communication · CPC title

• H04W52/367

  Power values between minimum and maximum limits, e.g. dynamic range · CPC title

• H04L5/0053

  Allocation of signalling, i.e. of overhead other than pilot signals · CPC title