Communication relay terminal and combined optimization method for relay selection and power distribution of communication relay terminal
A communication relay and terminal technology, applied in the field of communication, can solve problems affecting system performance and implementation complexity, and achieve the effect of low power
Inactive Publication Date: 2014-07-09
FUDAN UNIV
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Problems solved by technology
In a relay network, there are usually multiple relay nodes between two end nodes, and choosing a different number of relays will affect system performance and implementation complexity
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[0039] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail. In the drawings of the specification, elements having similar structures or functions will be denoted by the same element symbols. The drawings are only for the convenience of illustrating various embodiments of the present invention, and are not intended to describe the present invention exhaustively, nor limit the scope of the present invention.
[0040] like figure 1 and 2 As shown, a communication relay terminal 100 includes a signal transmitter (not shown in the figure) for the first node 210 and the second node 220 to send signals and a signal receiver (not shown in the figure) for receiving signals not shown), also includes a channel evaluator 110, used to evaluate the channel information between the first node 210 and all relay nodes and between the second node 220 and all relay ...
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The invention belongs to the technical field of communication, and particularly relates to a communication relay terminal and a combined optimization method for relay selection and power distribution of the communication relay terminal. The relay terminal comprises a channel evaluation device, a parameter setting device, a relay selector and a power distributor, wherein the parameter setting device is used for setting service quality parameters needed by a first node and a second node; the relay selector is used for selecting an optimal relay mode; and the power distributor is used for computing related optimization sending power values, and sending the optimization sending power values to the first node, the second and an optimal relay node respectively. The communication relay terminal builds a combined optimization method for relay selection of a bothway relay network adopting simulative network coding and power distribution, and can make the total power of the relay network to be the smallest on the premise of satisfying certain quality.
Description
technical field [0001] The present invention belongs to the technical field of communication, and in particular relates to a communication relay terminal and a joint optimization method for relay selection and power allocation of a two-way relay network using analog network coding, in particular to a communication relay terminal and its A method to minimize the total power of the network. Background technique [0002] The two-way relay communication network utilizes the broadcast characteristics of wireless channels, and with the help of relay forwarding, it can greatly increase the transmission rate, reduce the bit error rate, reduce complexity, expand coverage, and especially improve spectrum utilization. So the relay wireless communication network has become an important topic in the field of wireless communication. The two-way relay network using analog network coding has attracted great attention because of its simple and easy to implement transmission protocol and goo...
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IPC IPC(8): H04W52/34H04W52/46H04B7/14
CPCY02B60/50
Inventor 龚渝钧朱宇
Owner FUDAN UNIV