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Method and device for controlling relay gain in bidirectional full duplex amplifying and forwarding

A technology of amplification, forwarding and control methods, which is applied in the direction of duplex signal operation, advanced technology, sustainable communication technology, etc., and can solve problems such as optimal network performance

Active Publication Date: 2016-01-13
BEIJING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

[0004] However, in the prior art, there is no discussion on the relay gain control of the two-way full-duplex relay, and the design criterion is that the transmit power of the relay can meet its maximum power constraint, and the network performance cannot always be optimized. Improve end-to-end performance

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  • Method and device for controlling relay gain in bidirectional full duplex amplifying and forwarding

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Embodiment Construction

[0076] 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, not all, embodiments of the present invention. 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.

[0077]Embodiments of the present invention provide a method and device for controlling the relay gain of two-way full-duplex amplification and forwarding, which is applied to the relay node located between the first source node and the second source node, and the method is controlled according to different design objectives The relay gain of the relay node includes: the first source node is the master node, the second source node is the slave node, and the tran...

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Abstract

Embodiments of the invention disclose a method and a device for controlling a relay gain in bidirectional full duplex amplifying and forwarding, which are applied to a relay node located between a first source node and a second source node. The method is used for controlling the relay gain of the relay node according to different design targets and comprises the following steps: the first source node is a master node, the second source node is a slave node, and a transmission rate of the first source node needs to be maximized; the transmission rate of the first source node is not equal to the transmission rate of the second source node, and the transmission rate of the source node with a low transmission rate needs to be maximized; and the sum of the transmission rates of the first source node and the second source node needs to be maximized. By adopting the method and the device disclosed by the embodiments of the invention, the end-to-end performance of a bidirectional full duplex system can be improved, and the power consumption of the relay can be reduced.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and device for controlling relay gain of bidirectional full-duplex amplification and forwarding. Background technique [0002] In recent years, because full-duplex (full-duplex, FD) allows communication nodes to send and receive information at the same time on the same frequency, it has great potential to double the spectral efficiency. At the same time, due to the development of device technology and signal processing technology, the same frequency The full-duplex technology has gradually become a research hotspot. [0003] At present, the research on full-duplex is mainly aimed at unidirectional duplex, and the design criterion is that the transmit power of the relay can meet its maximum power constraint. The research points out that when the relay gain is increased, the increase rate of the residual self-interference channel information is faster than that of th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W52/04H04W52/24H04W52/46H04L5/14
CPCH04L5/14H04W52/0203H04W52/04H04W52/241H04W52/46Y02D30/50Y02D30/70
Inventor 李勇李娜彭木根王文博
Owner BEIJING UNIV OF POSTS & TELECOMM
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