METHOD AND APPARATUS FOR TERMINAL TO TRANSMIT AND RECEIVE SIGNAL USING SIDELINKS BETWEEN DEVICES

• US 20170367087A1
• Filed: 12/07/2015
• Published: 12/21/2017
• Est. Priority Date: 12/05/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: SEO, Hanbyul
• Granted Patent: US 10,455,587 B2
• Time in Patent Office: Days
• CPC Class Codes: H04W 4/90 Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
• CPC Class Codes: H04W 52/36 with a discrete range or set of values, e.g. step size, ramping or offsets
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 72/56 based on priority criteria
• CPC Class Codes: H04W 76/14 Direct-mode setup

Abstract

Disclosed is a method for a terminal to transmit and receive a signal in a wireless communication system using sidelinks. Specifically, the method comprises the steps of: determining a first transmission resource for transmitting a first sidelink signal; and determining a second transmission resource for transmitting an uplink signal, wherein if the first transmission resource and the second transmission resource overlap in a time domain, the first sidelink signal is transmitted with a priority over the uplink signal.

Claims

1. A method for transmitting a signal via a sidelink by a User Equipment (UE) in a wireless communication system, the method comprising:

determining a first transmission resource for transmission of a first sidelink signal; and

determining a second transmission resource for transmission of an uplink signal,

wherein if the first transmission resource overlaps with the second transmission resource in a time area, the first sidelink signal is transmitted with priority over the uplink signal.

2. The method according to claim 1, wherein if the first transmission resource and the second transmission resource are identical in a frequency area, only the first sidelink signal is transmitted.

3. The method according to claim 1, wherein if the first transmission resource and the second transmission resource are different in a frequency area, only the first sidelink signal is transmitted only in the overlapped time area.

4. The method according to claim 1, wherein the first sidelink signal is triggered aperiodically by a predetermined event.

5. The method according to claim 1, wherein the first sidelink signal is transmitted periodically.

6. The method according to claim 1, wherein the priority is valid within a preset time period.

7. The method according to claim 1, wherein the uplink signal is transmitted with priority over the first sidelink signal at a time outside the time period.

8. The method according to claim 1, further comprising determining a third transmission resource for transmission of a second sidelink signal,

wherein if the first transmission resource overlaps with the third transmission resource in a time area, the first sidelink signal is transmitted with priority over the second sidelink signal.

9. The method according to claim 8, wherein the second sidelink signal is transmitted on one of a sidelink discovery channel, a sidelink control channel, and a sidelink data channel.

10. The method according to claim 1, further comprising, upon generation of the first sidelink signal, transmitting an indicator indicating transmission of the first sidelink signal to a serving cell.

11. A method for receiving a signal via a sidelink by a User Equipment (UE) in a wireless communication system, the method comprising:

determining a first transmission resource for reception of a first sidelink signal; and

determining a second transmission resource for reception of an uplink signal,

wherein if the first transmission resource overlaps with the second transmission resource in a time area, the first sidelink signal is received with priority over the uplink signal.

12. A User Equipment (UE) for transmitting a signal via a sidelink in a wireless communication system, the UE comprising:

a transceiver for transmitting and receiving sidelink signals; and

a processor for determining a first transmission resource for transmission of a first sidelink signal, and determining a second transmission resource for transmission of an uplink signal,

wherein if the first transmission resource overlaps with the second transmission resource in a time area, the first sidelink signal is transmitted with priority over the uplink signal.

13. A User Equipment (UE) for receiving a signal via a sidelink in a wireless communication system, the UE comprising:

a transceiver for transmitting and receiving sidelink signals; and

a processor for determining a first reception resource for transmission of a first sidelink signal, and determining a second reception resource for transmission of an uplink signal,

wherein if the first transmission resource overlaps with the second transmission resource in a time area, the first sidelink signal is received with priority over the uplink signal.