D2D communication method, user equipment and base station

A technology of user equipment and communication methods, which is applied in wireless communication, connection management, electrical components, etc., and can solve problems such as multi-hop data transmission scenarios that are not considered

Inactive Publication Date: 2015-12-30
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the 3GPP protocol has not considered the multi-hop data transmission scenario based on D2D. In this scenario, both the base station allocation mode and the self-selected resource allocation mode have their unavoidable disadvantages.

Method used

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  • D2D communication method, user equipment and base station
  • D2D communication method, user equipment and base station
  • D2D communication method, user equipment and base station

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Embodiment Construction

[0067] Embodiments of the present invention provide a D2D communication method, user equipment and base station for XX. The details are described below respectively.

[0068] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0069] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distin...

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Abstract

The embodiment of the invention discloses a D2D communication method, user equipment and a base station which are used for realizing resource allocation of D2D distributed networks and efficient utilization of channels. The method of the invention includes the step that the UE acquires a D2D distributed network data transmission request and time frequency-domain resources for channel measurement, and then, measures channels where the time frequency-domain resources are located to determine whether the channels are idle, and establishes D2D connections if the channels are idle. According to the D2D communication method of the invention, a D2D distributed network-based resource allocation process is provided, and D2D distributed network-based resource allocation under a D2D multi-hop data transmission condition can be realized.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a D2D communication method, user equipment and base station. Background technique [0002] Device to Device (Device to Device, D2D) communication technology refers to direct communication between user equipment (UE, UserEquipment) by multiplexing the spectrum resources of the cell, instead of sending the signal to the base station by the source terminal as in traditional communication services , and then forwarded by the base station to the destination terminal. Therefore, D2D communication can utilize spectrum resources more efficiently and improve the capacity of cellular network. [0003] D2D multi-hop data transmission is based on the D2D distributed network, and the relay technology is introduced into the D2D communication system. A specific D2D UE in the D2D distributed network has multiple D2D connections. In this way, network capacity can be further increas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/08H04W76/02
CPCH04W72/0453H04W72/0446H04W72/542H04W76/10H04W72/54
Inventor 张晨璐
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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