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Node cooperation motivational method of wireless heterogeneous network on basis of non-cooperative game

A wireless heterogeneous network, non-cooperative game technology, applied in wireless communication, network planning, network traffic/resource management, etc., to achieve the effect of improving performance, increasing data rate, and reducing the probability of communication interruption

Active Publication Date: 2014-07-09
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, especially for the cooperative incentive problem of the heterogeneous network relay, and propose a wireless heterogeneous network node cooperative incentive method based on non-cooperative game

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  • Node cooperation motivational method of wireless heterogeneous network on basis of non-cooperative game
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  • Node cooperation motivational method of wireless heterogeneous network on basis of non-cooperative game

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Embodiment Construction

[0043] The non-cooperative game-based node cooperation incentive method for a wireless heterogeneous network proposed by the present invention will be further specifically described below in conjunction with the accompanying drawings.

[0044] Introduce the ad-hoc mode without backbone infrastructure into the wireless cellular network with infrastructure, and use the space multiplexing characteristics of the point-to-point communication mode of the ad-hoc network to improve network performance, reduce power consumption, and expand coverage. Only a single base station is considered situation, such as figure 1 shown.

[0045] according to figure 1 The system model shown, given a simple 3-node cooperative relay model as figure 2 As shown, the node S is the source, and the node D is the destination node, that is, for any node i, there is a destination node d(i), and the destination node d(i)=D (when i=S). Since node j (j=R but j≠i) may have better channel conditions to d(i) th...

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Abstract

The invention provides a node cooperation motivational method of a wireless heterogeneous network on the basis of a non-cooperative game. According to the method, in terms of selfishness of nodes in a honeycomb ad-hoc heterogeneous fusion network, a utility model for a node game is built, three game factors including a participant, a game strategy and a utility function are comprehensively taken into consideration, and a node cooperation motivational mechanism based on the non-cooperative game is put forward. By means of mathematics deduction, existence of Nash equilibrium of the non-cooperative game is proved, and a theoretic optimal solution of the optimization model can be obtained. The node cooperation motivational method of the heterogeneous network is simple and easy to achieve, and has good application prospects.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a non-cooperative game-based node cooperation incentive method for a wireless heterogeneous network. Background technique [0002] In recent years, wireless mobile communication technology has made great progress. Wireless heterogeneous network (Wireless Heterogeneous Network) is an aggregate formed by the integration of multiple technologies, multiple networks, and multiple services. WHN can greatly improve the performance of a single network , while supporting traditional services, it also creates conditions for the introduction of new services; and it can provide higher data transmission rates, wider signal coverage, and support higher-speed mobility for future mobile communication systems. Among them, the research on collaborative incentives among nodes in heterogeneous networks is a very challenging topic, which has received more and more attention. [0003] ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/10H04W16/26
Inventor 张晖张莹辉杨龙祥朱洪波
Owner NANJING UNIV OF POSTS & TELECOMM
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