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A method for allocating time slots in denoising and forwarding two-way relays

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

Active Publication Date: 2020-04-07
NANTONG UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A method for allocating time slots in denoising and forwarding two-way relays
  • A method for allocating time slots in denoising and forwarding two-way relays
  • A method for allocating time slots in denoising and forwarding two-way relays

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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 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. The method includes: firstly, the source node and the relay node perform channel estimation to obtain channel state information between source nodes A, B and the relay node; the system determines the first time slot and the second time slot according to the real-time link quality of the network. The length of the slot realizes the maximization of system throughput; the whole transmission process of information is divided into two time slots to complete, and in the two-way relay network transmission time slot, the present invention comprehensively considers the channel state information of each time slot in the network, The transmission power of each node is optimized to design the receiving time slot and sending time slot of the relay node to obtain the 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 Patents(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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