Communication method and apparatus for device-to-device (D2D)

Patent metadata

Field	Value
Publication number	US-9572048-B2
Application number	US-201414341365-A
Country	US
Kind code	B2
Filing date	Jul 25, 2014
Priority date	Aug 8, 2013
Publication date	Feb 14, 2017
Grant date	Feb 14, 2017

Abstract

Provided are a communication method and apparatus for device-to-device (D2D). More particularly, the communication method for D2D includes configuring a network topology using at least one cooperating base station to communicate among devices included in multiple heterogeneous cells, creating an association between multiple device pairs and at least one base station based on configuring the network topology, and determining a cooperation context for communication among the multiple device pairs is provided. The communication apparatus carries out such a method.

First claim

What is claimed is:

1. A communication method of master base station for device-to-device (D2D) in a multi-hop network including multiple heterogeneous cells, comprising:
configuring a network topology using at least one cooperating base station to communicate between devices included in the multiple heterogeneous cells;
selecting multiple device pairs, each including a transmission device and a reception device, to communicate with one another from among the devices included in the multiple heterogeneous cells; and
selecting at least one cooperating base station to communicate between the multiple device pairs;
collecting information including at least one of a change of service quality required by the transmission device and the reception device, a change of service quality provided by at least one cooperating base station, and a change of a channel state in the network;
switching the network topology based on the collected information;
changing the at least one cooperating base station to include another base station based on the collected information;
creating an association between multiple device pairs and at least one cooperating base station based on configuring the network topology; and
determining a cooperation context for communication between the multiple device pairs,
wherein the master base station dynamically coordinates a configuration of the cooperating base station to provide for their cooperation to aid in communication among the devices.

2. The communication method of claim 1 , wherein the creating of the association comprises:
transmitting, to the multiple device pairs, information on the at least one cooperating base station; and
transmitting information on the multiple device pairs to the at least one cooperating base station.

3. The communication method of claim 1 , wherein the determining of the cooperation context comprises:
collecting channel information from the multiple device pairs;
determining a coefficient for controlling interference in communication between the multiple device pairs using the channel information ; and
determining a cooperation context including at least one of allocation information and scheduling information of wireless resources based on the coefficient for controlling the interference.

4. The communication method of claim 3 , further comprising:
transmitting the cooperation context to the multiple device pairs and the at least one cooperating base station.

5. The communication method of claim 3 , further comprising:
receiving data for the reception device from the transmission device;
processing the received data using the coefficient for controlling the interference; and
transmitting the processed data to the reception device.

6. The communication method of claim 1 , further comprising:
determining a cooperation context for the switched network topology.

7. The communication method of claim 1 , wherein the multiple heterogeneous cells comprise at least one of a macro-cell, a micro-cell, a distributed antenna system (DAS), a wireless fidelity (Wi-Fi) access zone, and a cloud-cell.

8. A non-transitory computer-readable storage medium storing a program for device-to-device (D2D) in a multi-hop network including multiple heterogeneous cells, the program comprising instructions for causing a computer to carry out the method of claim 1 .

9. The communication apparatus of claim 8 , wherein the one or more processors are configured to select multiple device pairs, each including a transmission device and a reception device, to communicate with one another from among the devices included in the multiple heterogeneous cells, and select at least one cooperating base station to communicate between the multiple device pairs.

10. The communication apparatus of claim 8 , wherein the one or more processors are configured to:
collect channel information from the multiple device pairs;
determine a coefficient for controlling interference in communication between the multiple device pairs using the channel information; and
determine a cooperation context including at least one of allocation information and scheduling information of wireless resources based on the coefficient for controlling the interference.

11. The communication apparatus of claim 9 , further comprising:
a receiver configured to receive data for the reception device from the transmission device;
and
a transmitter configured to transmit the processed data to the reception device;
wherein the one or more processor are further configured to process the data using the coefficient for controlling the interference.

12. The communication apparatus of claim 9 , wherein the one or more processor are configured to:
collect information including at least one of a change of a service quality required by the transmission device and the reception device, a change of a service quality provided by the at least one cooperating base station, and a change of a channel state of the network; and
switch the network topology based on the collected information,
determine a cooperation context for the switched network topology.

13. A communication method of device for device-to-device (D2D) in a multi-hop network including multiple heterogeneous cells, comprising:
selecting multiple device pairs, each including a transmission device and a reception device, to communicate with one another from among devices included in the multiple heterogeneous cells; and
selecting at least one cooperating base station to communicate between the multiple device pairs
collecting information including at least one of a change of service quality required by the transmission device and the reception device, a change of service quality provided by at least one cooperating base station, and a change of a channel state in the network;
switching a network topology based on the collected information;
changing the at least one cooperating base station to include another base station based on the collected information;
receiving, by the reception device included in the multiple heterogeneous cells, data transmitted from the transmission device included in the multiple heterogeneous cells, wherein the data transmitted from the transmission device corresponds to data processed in a master base station for communication between the transmission device and the reception device through the multi-hop network including multiple heterogeneous cells,

wherein the master base station dynamically coordinates a configuration of the cooperating base station to provide for their cooperation to aid in communication among the devices.

14. The communication method of claim 13 , wherein the multiple heterogeneous cells comprise at least one of a macro-cell, a micro-cell, a distributed antenna system (DAS), a wireless fidelity (Wi-Fi) access zone, and a cloud-cell.

15. The communication method of claim 13 , wherein the master base station is configured to configure a network topology using at least one cooperating base station for communication between the transmission device and the reception device.

16. The communication method of claim 15 , wherein the master base station is configured to create an association between the transmission device and the reception device, and the at least one cooperating base station based on configuring the network topology.

17. The communication method of claim 13 , wherein the master base station is configured to create a cooperation context for communication between the transmission device and the reception device.

18. The communication m

Assignees

• Samsung Electronics Co Ltd

Inventors

• Noh Won Jong
• Shin Won Jae
• Lim Jong Bu
• Jang Kyung Hun

Classifications

• H04W40/24

  Connectivity information management, e.g. connectivity discovery or connectivity update · CPC title

• H04W24/02 Primary

  Arrangements for optimising operational condition · CPC title

• H04W84/18 Primary

  Self-organising networks, e.g. ad-hoc networks or sensor networks · CPC title

• H04W4/70

  Services for machine-to-machine communication [M2M] or machine type communication [MTC] · CPC title

• H04W92/18

  between terminal devices · CPC title