METHOD AND DEVICE FOR PERFORMING SCHEDULING BY USING ALTERNATIVE SIGNALS IN WIRELESS COMMUNICATION SYSTEM

• US 20200137676A1
• Filed: 10/28/2019
• Published: 04/30/2020
• Est. Priority Date: 10/26/2018
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: YOON, Sejong, JEONG, Seongah, KIM, Hyunchul, YANG, Yi, KANG, Moonseok, LEE, Jonghyo, JANG, Jonghoon, CHOI, Sehwan
• Granted Patent: US 11,153,810 B2
• Time in Patent Office: Days
• CPC Class Codes: G01S 13/0209 Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
• CPC Class Codes: G01S 13/343 using sawtooth modulation
• CPC Class Codes: G01S 13/765 with exchange of information between interrogator and responder
• CPC Class Codes: G01S 13/87 Combinations of radar systems, e.g. primary radar and secondary radar
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 4/40 for vehicles, e.g. vehicle-to-pedestrians [V2P]
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00
• CPC Class Codes: H04W 48/10 using broadcasted information
• CPC Class Codes: H04W 48/14 using user query or user detection
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination
• CPC Class Codes: H04W 74/0833 Random access procedures, e.g. with 4-step access
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals

Abstract

Provided is a method of operating a controller, a method of operating a controlee, a controller, and a controlee. The method of operating a controller that performs a ranging with a controlee using ultra wideband (UWB) communication in a wireless communication system, the method including: transmitting, to the controlee, a first ranging control message (RCM) comprising information of a first ranging interval for a second RCM; changing a ranging interval for the second RCM from the first ranging interval to a second ranging interval; transmitting, to the controlee, an interval update message for the second RCM comprising information for the changed ranging interval based on the first ranging interval; and transmitting, to the controlee, the second RCM based on the changed ranging interval.

Claims

1. A method of operating a controller that performs a ranging with a controlee using ultra wideband (UWB) communication in a wireless communication system, the method comprising:

transmitting, to the controlee, a first ranging control message (RCM) comprising information of a first ranging interval for a second RCM;

changing a ranging interval for the second RCM from the first ranging interval to a second ranging interval;

transmitting, to the controlee, an interval update message for the second RCM comprising information for the changed ranging interval based on the first ranging interval; and

transmitting, to the controlee, the second RCM based on the changed ranging interval.

2. The method of the claim 1, further comprising:

in case that the controlee receives the interval update message from the controller, receiving, from the controlee, a response message for the interval update message.

3. The method of the claim 2, further comprising:

in case that the controller receives the response message, stopping the transmitting of the update message.

4. The method of the claim 2, further comprising:

transmitting, to the controlee, the interval update message repeatedly until the controller receives the response message.

5. The method of the claim 1, in case that the controlee fails to receive the first RCM and the interval update message, wherein a channel to receive the second RCM is listened by the controlee.

16. A non-transitory computer-readable recording medium having recorded thereon instruction executable by at least one processor to perform the method of claim 1.

6. A method of operating a controlee that performs a ranging with a controller using ultra wideband (UWB) communication in a wireless communication system, the method comprising:

receiving, from the controller, a first ranging control message (RCM) comprising information of a first ranging interval for a second RCM;

receiving, from the controller, based on the first ranging interval, an interval update message for the second RCM comprising information for a second ranging interval, wherein a ranging interval for the second RCM is changed from the first ranging interval to the second ranging interval; and

receiving, from the controller, the second RCM based on the second ranging interval.

7. The method of claim 6, further comprising:

in case that the controlee receives the interval update message from the controller, transmitting, to the controller, a response message for the interval update message.

8. The method of claim 7, in case that the controller receives the response message, wherein a transmitting of the updated message is stopped.

9. The method of claim 7,

receiving, from the controller, the interval update message repeatedly until the controller receives the response message.

10. The method of claim 6, further comprising:

in case that the controlee fails to receive the first RCM and the interval update message, listening a channel to receive the second RCM.

17. A non-transitory computer-readable recording medium having recorded thereon instruction executable by at least one processor to perform the method of claim 6.

11. A controller that performs a ranging with a controlee using ultra wideband (UWB) communication in a wireless communication system, the controller comprising:

a transceiver;

a memory; and

a processor configured to;

transmit, to the controlee, a first ranging control message (RCM) comprising information of a first ranging interval for a second RCM,

change a ranging interval for the second RCM from the first ranging interval to a second ranging interval,

transmit, to the controlee, an interval update message for the second RCM comprising information for the changed ranging interval based on the first ranging interval, and

transmit, to the controlee, the second RCM based on the changed ranging interval.

12. The controller of the claim 11, wherein the processor is further configured to:

in case that the controlee receives the interval update message from the controller, receive, from the controlee, a response message for the interval update message.

13. The controller of the claim 12, wherein the processor is further configured to:

in case that the controller receives the response message, stop the transmitting of the update message.

14. The controller of the claim 12, wherein the processor is further configured to:

transmit, to the controlee, the interval update message repeatedly until the controller receives the response message.

15. The controller of the claim 11, in case that the controlee fails to receive the first RCM and the interval update message, wherein a channel to receive the second RCM is listened by the controlee.