IP Library › Granted Patent US 12,414,057
Granted Patent B2
US 12,414,057 · App. 17/870,499 · Granted Sep 9, 2025

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

Inventors: Juan Zheng (Beijing, CN); Chaojun Li (Beijing, CN); Hailong Hou (Beijing, CN); Zhe Jin (Beijing, CN)
Assignee: Huawei Technologies Co., Ltd.
H04W56/001H04W52/367H04W68/005H04W72/0453H04W72/51
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,414,057
App. No.
17/870,499
Granted
Sep 9, 2025
Kind
B2
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.

Claims (62)

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 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.

15. The apparatus according to claim 13 , 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.

16. The apparatus according to claim 13 , 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.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 16, 2025
From: ZHENG, JUAN; LI, CHAOJUN; HOU, HAILONG; JIN, ZHE
To: HUAWEI TECHNOLOGIES CO., LTD.
Reel/Frame 071145/0332 →
Continuity (2)
Continuation PCTCN2020073794 · Jan 22, 2020
Related Publication 20220361122A1 · Nov 10, 2022
References Cited (33)
US 12089256B2 · Jiang · 2024 [cited by examiner]
US 20190254073A1 · Sheng · 2019 [cited by examiner]
US 20190261425A1 · Park et al. · 2019 [cited by applicant]
US 20190313412A1 · Baldemair et al. · 2019 [cited by applicant]
US 20190313437A1 · Jung · 2019 [cited by examiner]
US 20190320455A1 · Chen · 2019 [cited by examiner]
US 20200008131A1 · Chakraborty · 2020 [cited by examiner]
US 20200045707A1 · Hwang · 2020 [cited by examiner]
US 20200221308A1 · Liao · 2020 [cited by examiner]
US 20200288508A1 · Shi · 2020 [cited by examiner]
US 20230031875A1 · Dai · 2023 [cited by examiner]
CN 108990161A · 2018 [cited by applicant]
CN 110115008A · 2019 [cited by applicant]
CN 110324897A · 2019 [cited by applicant]
CN 110351843A · 2019 [cited by applicant]
CN 110475361A · 2019 [cited by applicant]
EP 4017178A1 · 2022 [cited by applicant]
WO 2019050323A1 · 2019 [cited by applicant]
WO 2019066533A1 · 2019 [cited by applicant]
WO 2019190229A1 · 2019 [cited by applicant]
WO 2020009144A1 · 2020 [cited by applicant]
Ericsson, “NR for Industrial Sensors (draft SID),” 3GPP TSG RAN Meeting #83, RP-190432, Shenzhen, China, Mar. 18-21, 2019, 4 pages. [cited by applicant]
Huawei, HiSilicon, “Key points on NR Light SID, ” 3GPP TSG RAN Meeting #86, RP-192788, Sitges, Spain, Dec. 9-12, 2019, 3 pages. [cited by applicant]
MediaTek Inc., “Summary of Bandwidth Part Remaining Issues,” 3GPP TSG RAN WG1 Meeting #94, R1-1809929, Gothenburg, Sweden, Aug. 20-24, 2018, 22 pages. [cited by applicant]
Nokia, Nokia Shanghai Bell, “On wideband operation in NR-U,” 3GPP TSG RAN WG1 Meeting #96bis, R1-1904194, Xi'an, China, Apr. 8-12, 2019, 15 pages. [cited by applicant]
PCT International Search Report and Written Opinion issued in International Application No. PCT/CN2020/073794 on Oct. 27, 2020, 17 pages (with English translation). [cited by applicant]
Vivo, “Motivation for NR diverse UE types in Rel-17,” 3GPP TSG RAN Meeting #84, RP-191305, Newport Beach, USA, Jun. 3-6, 2019, 3 pages. [cited by applicant]
NTT Docomo, Inc., “Remaining issues on RMSI,” 3GPP TSG RAN WG1 Meeting #93, R1-1807051, Busan, Korea, May 21-25, 2018, 5 pages. [cited by applicant]
Extended European Search Report in European AppIn No. 20916203.1, dated Mar. 3, 2023, 13 pages. [cited by applicant]
Ericsson, “New SID on support of reduced-capability NR-Light devices,” 3GPP TSG RAN #86, RP-193146, Sitges, Spain, Dec. 9-12, 2019, 7 pages. [cited by applicant]
Huawei et al., “Discussion on cell definition,” 3GPP TSG RAN WG2 #101, R2-1801820, Athens, Greece, Feb. 26-Mar. 2, 2018, 4 pages. [cited by applicant]
Office Action in Japanese Appln. No. 2022-544266, mailed on Jul. 25, 2023, 9 pages (with English translation). [cited by applicant]
Office Action in Indian Appln. No. 202237043965, dated Feb. 16, 2023, 6 pages (with English translation). [cited by applicant]