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Power control method embedded into D2D cellular network and based on full-duplex relay

A power control and cellular network technology, applied in power management, wireless communication, electrical components, etc., can solve problems that do not consider power control and interference management

Inactive Publication Date: 2015-01-14
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the half-duplex relay is used, the source information transmission and the relay data transmission are carried out in different time slots, and there will be no mutual interference. Therefore, the above documents do not consider issues such as power control and interference management.

Method used

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  • Power control method embedded into D2D cellular network and based on full-duplex relay
  • Power control method embedded into D2D cellular network and based on full-duplex relay
  • Power control method embedded into D2D cellular network and based on full-duplex relay

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Embodiment Construction

[0060] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0061] Such as figure 1 As shown, the power control method based on full-duplex relay in the embedded D2D cellular network of the present invention includes a base station B that adopts a point-to-multipoint topology cellular network to transmit and a cellular network receiving terminal C as a cellular communication relay The D2D transmitter R and the D2D receiver E constitute a cellular communication network embedded in D2D communication controlled by the receiver C, the transmitter R, and the receiver E, controlled by the base station B. The transmitter R is respectively equipped with A transmit antenna and a receive antenna for co-channel transmission and reception of information;

[0062] Such as figure 2 As shown, the steps of the power control method are as follows:

[0063] a. After the base station B sends a request to establish a communication ...

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Abstract

The invention discloses a power control method embedded into a D2D cellular network and based on a time domain half-duplex relay, and belongs to the technical field of wireless communications. The method relates to a base station B using a point-to-multipoint topological structure cellular network for transmitting, a cellular network receiving terminal C, a D2D transmitting terminal R used as a cellular communication relay and a D2D receiving terminal E; the D2D transmitting terminal is used as a cellular communication relay between the base station B and the receiving terminal C, cellular communication and D2D communication are subjected to combined power control, the full-duplex wireless relay technology is used for achieving orthogonal communication channel frequency spectrum multiplex of the cellular communication and the D2D communication, the minimum data throughout requirement of the cellular communication is met, meanwhile, the throughout of the D2D communication is maximized, hence, the overall performance of the system and the individual performance of users can be considered at the same time, and good balance can be achieved between the system layer and the user layer.

Description

technical field [0001] The invention relates to a full-duplex relay power control method, and is especially suitable for a full-duplex relay-based power control method in a D2D-embedded cellular network used in the technical field of wireless communication. Background technique [0002] With the continuous increase of broadband mobile multimedia traffic, improving the user capacity, coverage and service quality of the cellular network has become an important issue to be solved in wireless mobile communication. D2D communication technology is a brand-new wireless communication technology that the mobile communication standardization organization 3GPP-LTE has paid attention to and studied in recent years. D2D communication means that, on the premise of not affecting the data transmission of other cellular users and D2D users, user terminals with a geographically close location can establish a direct communication link for data transmission without transiting through the base s...

Claims

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Application Information

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IPC IPC(8): H04W52/06
CPCH04W52/241H04W52/346H04W52/46
Inventor 张国鹏刘鹏
Owner CHINA UNIV OF MINING & TECH
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