Apparatus and method for controlling transmission and reception in a wireless communication system

Patent metadata

Field	Value
Publication number	US-10721600-B2
Application number	US-201615364887-A
Country	US
Kind code	B2
Filing date	Nov 30, 2016
Priority date	Dec 2, 2015
Publication date	Jul 21, 2020
Grant date	Jul 21, 2020

Abstract

A 5 th generation (5G) or pre-5G communication system for supporting a higher data transfer rate than a 4 th generation (4G) communication system such as long term evolution (LTE) is provided. An electronic device may include a processor and a communication interface operatively coupled to the processor for transmitting and receiving a message. The processor can transmit a first message to a first electronic device using a proximity communication for communication with a second electronic device, and the first message can include information enabling the first electronic device to communicate with the second electronic device on behalf of the electronic device.

First claim

What is claimed is:

1. A method performed by a first electronic device in a wireless environment, the method comprising:
receiving, from a base station, information indicating resources allocated to the first electronic device;
in case that a battery level of the first electronic device is not greater than a predetermined level, transmitting, to an assisting electronic device by using a proximity communication path, a first message including:
resource information for indicating the resources allocated to the first electronic device and authorizing the assisting electronic device to monitor at least one device-to-device (D2D) signal transmitted on the indicated resources,
filtering information for indicating an identifier of the first electronic device and authorizing the assisting electronic device to identify at least one D2D signal associated with the indicated identifier,
information for indicating at least one specific device including a second electronic device, and
information for authorizing the assisting electronic device to perform decoding operations; and

receiving, from the assisting electronic device by using the proximity communication path, a second message including data of the second electronic device in response to the first message,
wherein the first message is used to receive, by the assisting electronic device, a D2D signal of the second electronic device,
wherein the data of the second electronic device in the second message is obtained by the assisting electronic device based on a decoding of the D2D signal of the second electronic device in the assisting electronic device, and
wherein the decoding operations include:
a radio frequency (RF) processing for receiving the D2D signal to obtain an RF signal,
a baseband processing for the RF signal to obtain a baseband signal, and
a decoding for the baseband signal to obtain the data.

2. The method of claim 1 ,
wherein the first message further includes information for indicating a modulation and coding scheme (MCS) level,
wherein the resource information includes frequency information and time information that indicate the resources, and
wherein the assisting electronic device is a wearable device including a receive radio frequency (RF) chain capable of receiving the D2D signal of the second electronic device on a cellular network.

3. The method of claim 1 , further comprising:
identifying a number of total component carriers (CCs) for a carrier aggregation (CA) associated with downlink signals of the base station;
if a number of first CCs available to the first electronic device is not smaller than the identified number of total CCs, communicating with the base station without using the assisting electronic device; and
if the number of the first CCs is smaller than the identified number of total CCs, transmitting, to the assisting electronic device, a control message including:
information indicating that an additional CC is available, and
information indicating resources in the additional CC for the CA.

4. The method of claim 1 , further comprising:
determining whether the first electronic device is located on a designated region of a cell-edge of the base station or not; and
if the first electronic device is located on the designated region, determining whether the battery level of the first electronic device is greater than the predetermined level or not.

5. A method performed by an assisting electronic device in a wireless environment, the method comprising:
receiving, from a first electronic device, a first message by using a proximity communication path, wherein the first message includes:
resource information for indicating resources allocated to the first electronic device by a base station and authorizing the assisting electronic device to monitor at least one device-to-device (D2D) signal transmitted on the indicated resources,
filtering information for indicating an identifier of the first electronic device and authorizing the assisting electronic device to identify at least one D2D signal associated with the indicated identifier,
information for indicating at least one specific device including a second electronic device, and
information for authorizing the assisting electronic device to perform decoding operations;

receiving, from the second electronic device, a D2D signal of the second electronic device based on the received first message;
obtaining data of the second electronic device by decoding the D2D signal of the second electronic device; and
transmitting, to the first electronic device, a second message including the data of the second electronic device by using the proximity communication path in response to the first message,
wherein the first message is transmitted in case that a battery level of the first electronic device is not greater than a predetermined level, and
wherein the decoding operations include:
a radio frequency (RF) processing for receiving the D2D signal to obtain an RF signal,
a baseband processing for the RF signal to obtain a baseband signal, and
a decoding for the baseband signal to obtain the data.

6. The method of claim 5 ,
wherein the first message further includes information for indicating a modulation and coding scheme (MCS) level,
wherein the resource information includes frequency information and time information that indicate the resources, and
wherein the assisting electronic device is a wearable device including a receive radio frequency (RF) chain capable of receiving the D2D signal of the second electronic device on a cellular network.

7. The method of claim 5 , further comprising:
receiving, from the first electronic device, a control message including:
information indicating that an additional component carrier (CC) is available, and

information indicating resources in the additional CC for a carrier aggregation (CA),
wherein the control message is transmitted in case that a number of first CCs available to the first electronic device is smaller than a number of total CCs for the CA associated with downlink signals of the base station.

8. The method of claim 5 , wherein the first message is transmitted in case that the battery level of the first electronic device is not greater than the predetermined level and the first electronic device is located on a designated region of a cell-edge of the base station.

9. A first electronic device in a wireless environment, the first electronic device comprising:
at least one processor; and
at least one transceiver operatively coupled to the at least one processor,
wherein the at least one processor is configured to:
receive, from a base station, resource information indicating resources allocated to the first electronic device,
in case that a battery level of the first electronic device is not greater than a predetermined level, transmit, to an assisting electronic device by using a proximity communication path, a first message including:
resource information for indicating the resources allocated to the first electronic device and authorizing the assisting electronic device to monitor at least one device-to-device (D2D) signal transmitted on the indicated resources,
filtering information for indicating an identifier of the first electronic device and authorizing the assisting electronic device to identify at least one D2D signal associated with the indicated identifier,
information for indicating at least one specific device including a second electronic device, and
information for authorizing the assisting electronic device to perform decoding operations, and

receive, from the assisting electronic device by using the proximity communication path, a second message including data of the

Assignees

• Samsung Electronics Co Ltd

Inventors

• Agiwal Anil
• Chang Youngbin
• Kim Kyungkyu

Classifications

• Y02D30/70

  in wireless communication networks · CPC title

• H04W4/023

  using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds · CPC title

• H04W40/02

  Communication route or path selection, e.g. power-based or shortest path routing · CPC title

• H04W4/12 Primary

  Messaging; Mailboxes; Announcements · CPC title

• Y02D70/144

  Cross-Sectional Technologies · mapped topic