Method and apparatus for transmitting power headroom information in a communication system

Patent metadata

Field	Value
Publication number	US-12150069-B2
Application number	US-202318457176-A
Country	US
Kind code	B2
Filing date	Aug 28, 2023
Priority date	May 4, 2017
Publication date	Nov 19, 2024
Grant date	Nov 19, 2024

Abstract

The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. In addition, a method of a terminal in a wireless communication system, includes: receiving system information including first uplink waveform information for an initial access; transmitting a radio resource control (RRC) connection request message based on the first uplink waveform information; receiving an RRC connection response message including second uplink waveform information for uplink data transmission; and transmitting data based on the second uplink waveform.

First claim

What is claimed is:

1. A method performed by a terminal in a communication system, the method comprising:
receiving, from a base station, a radio resource control (RRC) message including a power headroom report (PHR) configuration, the PHR configuration including information associated with reporting of power headrooms for multiple transmission and reception points (TRPs); and
transmitting, to the base station, a PHR including the power headrooms for the multiple TRPs based on the information,
wherein the multiple TRPs are associated with a cell.

2. The method of claim 1 , wherein the PHR configuration indicates at least one of a PHR including a single power headroom, a PHR for multiple beams, or a PHR for the multiple TRPs.

3. The method of claim 1 , wherein the PHR is triggered in case that at least one pathloss for the multiple TRPs is changed more than a threshold value, and
wherein the RRC message includes the threshold value.

4. The method of claim 1 , wherein the PHR configuration includes a number of the power headrooms.

5. The method of claim 1 , wherein each of the power headrooms corresponds to each of the multiple TRPs.

6. A method performed by a base station in a communication system, the method comprising:
transmitting, to a terminal, a radio resource control (RRC) message including a power headroom report (PHR) configuration, the PHR configuration including information associated with reporting of power headrooms for multiple transmission and reception points (TRPs); and
receiving, from the terminal, a PHR,
wherein the PHR includes the power headrooms for the multiple TRPs based on the information, and
wherein the multiple TRPs are associated with a cell.

7. The method of claim 6 , wherein the PHR configuration indicates at least one of a PHR including a single power headroom, a PHR for multiple beams, or a PHR for the multiple TRPs.

8. The method of claim 6 , wherein the PHR is triggered in case that at least one pathloss for the multiple TRPs is changed more than a threshold value, and
wherein the RRC message includes the threshold value.

9. The method of claim 6 , wherein the PHR configuration includes a number of the power headrooms.

10. The method of claim 6 , wherein each of the power headrooms corresponds to each of the multiple TRPs.

11. A terminal in a communication system, the terminal comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
receive, from a base station, a radio resource control (RRC) message including a power headroom report (PHR) configuration, the PHR configuration including information associated with reporting of power headrooms for multiple transmission and reception points (TRPs), and
transmit, to the base station, a PHR including the power headrooms for the multiple TRPs based on the information,

wherein the multiple TRPs are associated with a cell.

12. The terminal of claim 11 , wherein the PHR configuration indicates at least one of a PHR including a single power headroom, a PHR for multiple beams, or a PHR for the multiple TRPs.

13. The terminal of claim 11 , wherein the PHR is triggered in case that at least one pathloss for the multiple TRPs is changed more than a threshold value, and
wherein the RRC message includes the threshold value.

14. The terminal of claim 11 , wherein the PHR configuration includes a number of the power headrooms.

15. The terminal of claim 11 , wherein each of the power headrooms corresponds to each of the multiple TRPs.

16. A base station in a communication system, the base station comprising:
a transceiver; and
a controller coupled with the transceiver and configured to:
transmit, to a terminal, a radio resource control (RRC) message including a power headroom report (PHR) configuration, the PHR configuration including information associated with reporting of power headrooms for multiple transmission and reception points (TRPs), and
receive, from the terminal, a PHR,

wherein the PHR includes the power headrooms for the multiple TRPs based on the information, and
wherein the multiple TRPs are associated with a cell.

17. The base station of claim 16 , wherein the PHR configuration indicates at least one of a PHR including a single power headroom, a PHR for multiple beams, or a PHR for the multiple TRPs.

18. The base station of claim 16 , wherein the PHR is triggered in case that at least one pathloss for the multiple TRPs is changed more than a threshold value, and
wherein the RRC message includes the threshold value.

19. The base station of claim 16 , wherein the PHR configuration includes a number of the power headrooms.

20. The base station of claim 16 , wherein each of the power headrooms corresponds to each of the multiple TRPs.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Ryoo Sunheui
• Jung Jungsoo
• Kang Hyunjeong
• Ryu Hyunseok
• Park Seunghoon

Classifications

• H04W72/20

  Control channels or signalling for resource management · CPC title

• H04L27/0008

  arrangements for allowing a transmitter or receiver to use more than one type of modulation (negotiating modulation type for two-way transmission paths H04L5/1453) · CPC title

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H04W76/18

  Management of setup rejection or failure · CPC title

• H04L27/2646

  using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length · CPC title