Service processing method and service processing device based on D2D (Device-to-Device) relay communication

A technology of business processing and relay communication, applied in the field of communication, can solve the problem of no remote device and relay device connection management mechanism, and achieve the effect of avoiding the ping-pong effect

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Problems solved by technology

The existing technology has realized the connection management of the UE within the coverage of the cell, that is, the relay device can establish a radio resource control (RRC, RadioResourceControl) connection and a non-access stratum (NAS, NonAccessStratum) connection with the base station to perform base station and relay connection management between remote devices and relay devices, currently there is no connection management mechanism between remote devices and relay devices in the prior art

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  • Service processing method and service processing device based on D2D (Device-to-Device) relay communication

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] D2D communication is a technology that allows terminals to communicate directly through the wireless resources of multiplexed cells under the control of the network. Service (ProSe, ProximitybasedServices) communication, the PC5 interface is different from the Uu interface between the normal UE and the base station. The connection concept is not the wireless bearer connection of the Uu interface but the broadcast-type connectionless physica...

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Abstract

The embodiment of the invention discloses a service processing method and a service processing device based on D2D (Device-to-Device) relay communication. The service processing method comprises the following steps: keeping connection with first relay equipment when return link weakening indication information of the first relay equipment is received; and releasing connection with the first relay equipment if second relay equipment is searched after the return link weakening indication information has been received for a preset time T, and establishing connection with the searched second relay equipment. By means of the technical scheme provided by the embodiment of the invention, remote equipment is only connected with the second relay equipment after waiting for the preset time T, so that ping-pong effects of the remote equipment while relaying is switched are avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a service processing method and device based on D2D relay communication. Background technique [0002] In the LTE-A research project proposed by the 3GPP organization, it is necessary to provide new technologies on the basis of LTE to meet the requirements of IMT-Advanced and provide higher data rates and system capacity. Therefore, device-to-device (D2D, Device-to-Device) communication is introduced to improve spectrum utilization. D2D communication improves spectrum utilization by sharing wireless resources with normal cell users under the control of cell base stations. [0003] The 3GPP organization has introduced a partial coverage D2D communication technology, that is, two or more user equipment (UE, UserEquipment) for D2D communication, some are located within the coverage area of ​​the cell, some are located outside the coverage area of ​​the cell, and some ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/22H04W76/02
CPCH04W76/14H04W40/22H04W36/03H04B7/155H04W36/08
Inventor 雷艺学张云飞郑倩
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