IP Library › Granted Patent US 12,432,719
Granted Patent B2
US 12,432,719 · App. 17/476,607 · Granted Sep 30, 2025

Uplink transmission method, uplink scheduling method, apparatuses thereof and system

Inventors: Qinyan Jiang (Beijing, CN); Guoyu Zhang (Beijing, CN); Meiyi Jia (Beijing, CN)
Assignee: FUJITSU LIMITED
H04W72/1268H04W72/044
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Quick Facts
Patent No.
US 12,432,719
App. No.
17/476,607
Granted
Sep 30, 2025
Kind
B2
Abstract

An uplink transmission method, an uplink scheduling method, apparatuses thereof and a system. The uplink transmission method includes: a terminal equipment performs channel detection on two or more bandwidth units of a carrier; and transmits uplink transmission on at least one bandwidth unit according to a result of the channel detection by the terminal equipment, the at least one bandwidth unit being detected as being idle. The terminal equipment may perform channel detection on two or more bandwidth units of a carrier, and determine whether the bandwidth units are busy or idle.

Claims (31)

1. An uplink transmission apparatus, configured in a terminal equipment, the apparatus including:

a memory that stores a plurality of instructions,

a receiver coupled to the memory and configured to receive first indication information indicating an uplink resource, and receive second indication information indicating the terminal equipment to transmit an uplink transmission when all bandwidth units of an uplink bandwidth part (UL BWP) are detected as being idle;

processor circuitry coupled to the memory and configured to perform channel detection on all bandwidth units of an uplink bandwidth part (UL BWP) including the uplink resource; and

a transmitter coupled to the memory and configured to transmit an uplink transmission on the uplink resource in the UL BWP when all bandwidth units of the UL BWP are detected as being idle,

wherein after a first bandwidth unit is selected, by the terminal equipment, from the bandwidth units in the UL BWP, channel detection based on random back-off is performed on the first bandwidth unit.

2. The apparatus according to claim 1 , wherein that the transmitter transmits the uplink transmission includes:

the transmitter selects at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle, and transmits the uplink transmission on the selected at least one bandwidth unit.

3. The apparatus according to claim 2 , wherein the transmitter autonomously selects the at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle, and/or the transmitter selects the at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle according to an indication of a network device.

4. The apparatus according to claim 3 , wherein,

the receiver further receives third indication information transmitted by the network device, the third indication information being related to how the transmitter selects the at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle.

5. The apparatus according to claim 4 , wherein,

the transmitter randomly selects the at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle according to the third indication information; or

the transmitter selects the at least one bandwidth unit including a second bandwidth unit from all bandwidth units of the UL BWP detected as being idle according to the third indication information; or

the transmitter, according to the third indication information, groups and/or orders all bandwidth units of the UL BWP detected as being idle, and selects the at least one bandwidth unit according to grouping and/or order.

6. The apparatus according to claim 5 , wherein the second bandwidth unit is selected by the terminal equipment and/or indicated by the network device.

7. The apparatus according to claim 2 , wherein the at least one bandwidth unit includes one bandwidth unit, or the at least one bandwidth unit includes two or more bandwidth units which are consecutive or inconsecutive in frequency domain.

8. The apparatus according to claim 1 , wherein that the transmitter transmits the uplink transmission includes:

the transmitter switches a transmission bandwidth or does not switch a transmission bandwidth before transmitting the uplink transmission.

9. The apparatus according to claim 1 , wherein

the transmitter further transmits fifth indication information to a network device, the fifth indication information directly or indirectly indicating a capability of the terminal equipment, the capability directly or indirectly characterizing whether the terminal equipment supports switching the transmission bandwidth within a time range after the channel detection, and/or whether the terminal equipment supports simultaneous transmitting the uplink transmission on inconsecutive bandwidth units in all bandwidth units of the UL BWP.

10. The apparatus according to claim 1 , wherein,

the second indication information being related to how the terminal equipment judges whether to transmit the uplink transmission.

11. An uplink scheduling apparatus, configured in a network device, the apparatus including:

a transmitter configured to transmit first indication information and second indication information to a terminal equipment, the first indication information indicating an uplink resource, the second indication information indicating the terminal equipment to transmit an uplink transmission only when all bandwidth units of an uplink bandwidth part (UL BWP) are detected as being idle, and

the terminal equipment performs channel detection on all bandwidth units of an UL BWP including the uplink resource, and the terminal equipment transmits an uplink transmission on the uplink resource in the UL BWP when all bandwidth units of the UL BWP are detected as being idle,

wherein after a first bandwidth unit is selected, by the terminal equipment, from the bandwidth units in the UL BWP, channel detection based on random back-off is performed on the first bandwidth unit.

12. The apparatus according to claim 11 , wherein,

the second indication information being related to how the terminal equipment judges whether to transmit the uplink transmission.

13. The apparatus according to claim 11 , wherein,

the transmitter further transmits third indication information to the terminal equipment, the third indication information being related to how the terminal equipment selects at least one bandwidth unit from all bandwidth units of the UL BWP detected as being idle.

Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE THE APPLICATION NUMBER 19345640 TO CHANGE IT TO 19346640 AND TO CORRECT THE APPLICATION 19317078 TO CHANGE IT TO 19319078. PREVIOUSLY RECORDED ON REEL 73477 FRAME 351. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNMENT. Recorded Jan 20, 2026
From: FUJITSU LIMITED
To: 1FINITY INC.
Reel/Frame 075265/0471 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 3, 2025
From: FUJITSU LIMITED
To: 1FINITY INC.
Reel/Frame 073477/0351 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 16, 2021
From: JIANG, QINYAN; ZHANG, GUOYU; JIA, MEIYI
To: FUJITSU LIMITED
Reel/Frame 057499/0063 →
Continuity (2)
Continuation PCTCN2019080680 · Mar 29, 2019
Related Publication 20220007396A1 · Jan 6, 2022
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