IP Library › Granted Patent US 12,213,112
Granted Patent B2
US 12,213,112 · App. 17/857,175 · Granted Jan 28, 2025

Method, device and system for uplink transmission and downlink reception in wireless communication system

Inventors: Kyungjun Choi (Seoul, KR); Minseok Noh (Seoul, KR); Jinsam Kwak (Gyeonggi-do, KR)
Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
H04W72/0446H04L5/0048H04W72/21H04W72/23H04W74/0833
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Quick Facts
Patent No.
US 12,213,112
App. No.
17/857,175
Granted
Jan 28, 2025
Kind
B2
Abstract

A transmission and reception method of a radio signal by a terminal in a wireless communication system is disclosed. The method may comprise the steps of: determining whether or not transmission of an uplink radio signal or reception of a downlink radio signal allocated to a terminal is possible on a slot configured to comprise at least one of one or more downlink symbols for downlink transmission, one or more flexible symbols and one or more uplink symbols for uplink transmission; and controlling the transmission of the uplink radio signal or the reception of the downlink radio signal on the basis of the determination.

Claims (39)

1. A terminal configured to operate in wireless communication system, the terminal comprising:

a communication module; and

a processor,

wherein the processor is configured to:

determine whether a resource for an uplink transmission is valid or invalid when the resource for the uplink transmission is configured on flexible symbols,

wherein the resource for the uplink transmission is determined to be valid or invalid depending on whether a condition is satisfied,

wherein the condition comprises:

a number of symbols between a last symbol of a synchronization signal/physical broadcast channel (SS/PBCH) and a start symbol of the resource for the uplink transmission after the last symbol of the SS/PBCH is equal to or greater than a number of a gap symbol(s) when the last symbol of the SS/PBCH is within the flexible symbols, and

a number of symbols between a last symbol of a downlink symbols and the start symbol of the resource for the uplink transmission after the last symbol of the downlink symbol is equal to or greater than the number of the gap symbol(s), and

perform the uplink transmission on the resource for the uplink transmission when the resource of the uplink transmission is valid.

2. The terminal of claim 1 ,

wherein the resource of the uplink transmission is determined as invalid when the condition is not satisfied.

3. The terminal of claim 1 ,

wherein the resource of the uplink transmission is determined as valid when the condition is satisfied.

4. The terminal of claim 1 ,

wherein the gap symbol(s) is identified through a configuration between a base station and the terminal.

5. The terminal of claim 1 , wherein the processor is further configured to:

receive radio resource control (RRC) configuration information including a configuration related to the gap symbol(s),

wherein the number of the gap symbol(s) corresponds to a time interval required for a downlink reception to an uplink transmission.

6. The terminal of claim 1 ,

wherein the uplink transmission is a physical random access channel (PRACH) transmission.

7. A method for performing an uplink transmission by a terminal configured to operate in a wireless communication system, the method comprising:

determining whether a resource for the uplink transmission is valid or invalid when the resource for the uplink transmission is configured on flexible symbols,

wherein the resource for the uplink transmission is determined to be valid or invalid depending on whether a condition is satisfied,

wherein the condition comprises:

a number of symbols between a last symbol of a synchronization signal/physical broadcast channel (SS/PBCH) and a start symbol of the resource for the uplink transmission after the last symbol of the SS/PBCH is equal to or greater than a number of a gap symbol(s) when the last symbol of the SS/PBCH is within the flexible symbols, and

a number of symbols between a last symbol of a downlink symbols and the start symbol of the resource for the uplink transmission after the last symbol of the downlink symbol is equal to or greater than the number of the gap symbol(s); and

performing the uplink transmission on the resource for the uplink transmission when the resource of the uplink transmission is valid.

8. The method of claim 7 ,

wherein the resource of the uplink transmission is determined as invalid when the condition is not satisfied.

9. The method of claim 7 ,

wherein the resource of the uplink transmission is determined as valid when the condition is satisfied.

10. The method of claim 7 ,

wherein the gap symbol(s) is identified through a configuration between a base station and the terminal.

11. The method of claim 7 , further comprising:

receiving radio resource control (RRC) configuration information including a configuration between the base station and the terminal related to the gap symbol(s),

wherein the number of the gap symbol(s) corresponds to a time interval required for a downlink reception to an uplink transmission.

12. The method of claim 7 ,

wherein the uplink transmission is a physical random access channel (PRACH) transmission.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 26, 2022
From: CHOI, KYUNGJUN; NOH, MINSEOK; KWAK, JINSAM
To: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
Reel/Frame 060615/0250 →
Priority Claims (4)
KR 10-2017-0115928 · Sep 11, 2017 · national
KR 10-2018-0004545 · Jan 12, 2018 · national
KR 10-2018-0024872 · Feb 28, 2018 · national
KR 10-2018-0093529 · Aug 10, 2018 · national
Continuity (3)
Continuation 16814856 · Mar 10, 2020
Continuation PCTKR2018010647 · Sep 11, 2018
Related Publication 20220346093A1 · Oct 27, 2022
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Cited By (1)
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