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Denoising forwarding both-way trunk time slot assignment method

A technology of two-way relay and time slot allocation, applied in radio transmission systems, electrical components, transmission systems, etc., can solve the problem of system spectrum resource waste, achieve system throughput advantages, maximize, and achieve system throughput. Effect

Active Publication Date: 2017-12-29
NANTONG UNIVERSITY
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  • Claims
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AI Technical Summary

Problems solved by technology

If the traditional average time slot allocation method is used, it will cause waste of system spectrum resources

Method used

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  • Denoising forwarding both-way trunk time slot assignment method
  • Denoising forwarding both-way trunk time slot assignment method
  • Denoising forwarding both-way trunk time slot assignment method

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Embodiment Construction

[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0040] refer to figure 1 As shown, a denoising and forwarding two-way relay time slot allocation method is applied in a three-point wireless communication system consisting of a pair of source nodes and a relay node. The system includes a source node A and a source node B. In the present invention, the source node A and the source node B serve as the source end of the information and also serve as the destination end of each other. The method is applicable to a single communication process consisting of a pair of source nodes and a relay node on the same frequency band. For a multi-pair source node and multiple relay node communication system, a pair of source nodes can be selected to communicate with a relay node under the premise of some optimal selection strategies. The optimal selection strategy may be a relay selection strategy, which may be a relay th...

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Abstract

The present invention relates to a denoising forwarding both-way trunk time slot assignment method, belonging to the wireless communication technology field. The method comprises: performing channel estimation of source nodes and a trunk node, and obtaining channel state information between the source nodes A and B and the trunk node; determining lengths of a first time slot and a second time slot by a system according to network real-time link quality, and realizing maximization of throughput of the system; and dividing the whole transmission process of information into two time slots for completion. In the two-way trunk network transmission time slots, the denoising forwarding both-way trunk time slot assignment method comprehensively considers channel state information of each time slot and sending power of each node to perform optimal design of receiving time slot and sending time slot of the trunk node so as to obtain a maximum network throughput.

Description

technical field [0001] The invention relates to a method for allocating time slots of a denoising and forwarding bidirectional relay, and belongs to the technical field of wireless communication. Background technique [0002] In recent years, collaborative relay networks have attracted extensive attention from scholars at home and abroad. In the relay network, the relay node forwards the data sent by the source node to realize a virtual multi-antenna technology, which can effectively improve the data transmission rate and expand the coverage of the communication network. The relay network can be divided into two types: one-way relay network and two-way relay network. The two-way relay network is a technical means that can effectively improve the spectrum efficiency by designing simultaneous reception or simultaneous transmission between two source nodes. . According to the different processing methods of the relay node to the source node signal, the traditional two-way rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/08H04B7/155H04W72/54
CPCH04B7/15592H04W72/0446H04W72/54
Inventor 高锐锋包志华吉晓东张士兵
Owner NANTONG UNIVERSITY
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