D2d communication control method and control apparatus

Patent metadata

Field	Value
Publication number	US-2016352484-A1
Application number	US-201615166252-A
Country	US
Kind code	A1
Filing date	May 26, 2016
Priority date	May 29, 2015
Publication date	Dec 1, 2016
Grant date	—

Abstract

Device to device (D2D) communication control is provided. A method comprises: determining a pilot channel resource used to send at least one directional pilot signal associated with directional D2D communication; and determining a transmit control strategy associated with the directional D2D communication at least according to a received state of the pilot signal on the determined pilot channel resource. A more appropriate D2D communication transmit control strategy can be determined according to a directional pilot signal related to directional D2D communication, thereby providing a basis for more effectively conducting the D2D communication.

First claim

What is claimed is:

1 . A method, comprising:
determining, by a system comprising a processor, a pilot channel resource used to send at least one directional pilot signal associated with a directional device to device (D2D) communication; and determining a transmit control strategy associated with the directional D2D communication at least according to a received state of the at least one directional pilot signal on the pilot channel resource.

2 . The method of claim 1 , wherein the transmit control strategy comprises: a transmit power control strategy associated with the directional D2D communication, and
wherein the determining the transmit control strategy comprises: determining an interference on the pilot channel resource caused by a signal associated with the directional D2D communication; and determining the transmit power control strategy at least according to the interference.

3 . The method of claim 2 , wherein the received state is a first received state, wherein the transmit control strategy comprises: at least one target transmit direction associated with the directional D2D communication, and
wherein the determining the transmit control strategy comprises: determining the at least one target transmit direction at least according to the interference and a second received state of the at least one directional pilot signal received by a receiver device involved in the directional D2D communication.

4 . The method of claim 2 , wherein the received state is a first received state, wherein the transmit control strategy comprises: a resource allocation associated with the directional D2D communication, and
wherein the determining the transmit control strategy comprises: determining the resource allocation associated with the directional D2D communication at least according to the interference and a second received state of the at least one directional pilot signal received by the receiver device involved in the directional D2D communication.

5 . The method of claim 2 , wherein the received state is a first received state, wherein the determining the interference comprises:
determining a second received state of a pilot signal received by a serving cell base station device involved in the directional D2D communication on the pilot channel resource; and determining the interference at least according to the second received state.

6 . The method of claim 2 , wherein the received state is a first received state, wherein the determining the interference comprises:
determining a second received state of a pilot signal received by a neighboring cell base station device involved in the directional D2D communication on the pilot channel resource; and determining the interference at least according to the second received state.

7 . The method of claim 2 , wherein the received state is a first received state, wherein the determining the interference comprises:
determining a second received state of a first pilot signal received by a serving cell base station device involved in the directional D2D communication on the pilot channel resource, and a third received state of a second pilot signal received by a neighboring cell base station device involved in the directional D2D communication on the pilot channel resource; and determining the interference at least according to the second received state and the third received state.

8 . The method of claim 5 , wherein the first received state comprises: a first received strength of the at least one directional pilot signal on the pilot channel resource, and
wherein the determining the interference comprises: determining the interference at least according to the first received strength and at least one preset strength threshold.

9 . The method of claim 5 , wherein the first received state comprises: a first received strength of the at least one directional pilot signal on the pilot channel resource and a second received strength of a pilot signal unrelated to the directional D2D communication, and
wherein the determining the interference comprises: determining the interference at least according to the first received strength and the second received strength.

10 . The method of claim 1 , wherein the determining the pilot channel resource comprises:
allocating the pilot channel resource used to send at least one directional pilot signal associated with the directional D2D communication, and wherein the method further comprises: sending information associated with the pilot channel resource.

11 . The method of claim 10 , wherein the sending the information associated with the pilot channel resource comprises:
sending the information associated with the pilot channel resource to at least a sender device involved in the directional D2D communication.

12 . The method of claim 10 , wherein the sending the information associated with the pilot channel resource comprises:
sending the information associated with the pilot channel resource to at least one neighboring cell base station device involved in the directional D2D communication.

13 . The method of claim 10 , wherein the sending the information associated with the pilot channel resource comprises:
sending the information associated with the pilot channel resource to at least one user equipment, in a cellular network of at least one network device involved in the directional D2D communication.

14 . The method of claim 1 , further comprising:
sending information associated with the transmit control strategy.

15 . The method of claim 1 , wherein the determining the pilot channel resource comprises:
receiving information associated with the pilot channel resource.

16 . The method of claim 15 , further comprising:
sending the at least one directional pilot signal at least on the pilot channel resource.

17 . The method of claim 1 , wherein the determining the transmit control strategy associated with the directional D2D communication comprises:
receiving information associated with the transmit control strategy.

18 . The method of claim 17 , further comprising:
transmitting a data signal associated with the directional D2D communication at least according to the transmit control strategy.

19 . An apparatus, comprising:
a memory that stores executable modules; and a processor, coupled to the memory, that executes or facilitates execution of the executable modules, the executable modules comprising: a first determination module configured to determine a pilot channel resource used to send a directional pilot signal associated with a directional device to device (D2D) communication; and a second determination module configured to determine a transmit control strategy associated with the directional D2D communication at least according to a first received state of the directional pilot signal on the pilot channel resource.

20 . The apparatus of claim 19 , wherein the transmit control strategy comprises: a transmit power control strategy associated with the directional D2D communication, and
wherein the second determination module comprises: a first determination unit configured to determine an interference on the pilot channel resource caused by a signal associated with the directional D2D communication; and a second determination unit configured to determine the transmit power control strategy at least according to the interference.

21 . The apparatus of claim 20 , wherein the transmit control strategy comprises

Assignees

• Beijing Zhigu Ruituo Tech Co Ltd

Inventors

• Wei Na
• Huang Weicai

Classifications

• H04W72/51

  based on terminal or device properties · CPC title

• H04W16/28

  using beam steering · CPC title

• H04L5/0091

  Signalling for the administration of the divided path, e.g. signalling of configuration information · CPC title

• H04L5/0069

  Allocation based on distance or geographical location · CPC title

• H04L5/0032

  Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation · CPC title