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Wireless relay network dynamic motivation mechanism design method based on contract theory

A technology of wireless relay network and design method, applied in the field of dynamic incentive mechanism design of wireless relay network based on contract theory, can solve problems such as lack of flexibility of static contract mechanism, and achieve the effect of avoiding additional costs and multi-estimating benefits

Inactive Publication Date: 2017-12-26
HUBEI UNIV OF TECH
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Problems solved by technology

However, in the actual distributed cooperative communication, the computing resources and power of each mobile relay node change with time, and the static contract mechanism is inelastic in the wireless relay network

Method used

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  • Wireless relay network dynamic motivation mechanism design method based on contract theory
  • Wireless relay network dynamic motivation mechanism design method based on contract theory
  • Wireless relay network dynamic motivation mechanism design method based on contract theory

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Embodiment Construction

[0041] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the examples. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0042] The environment of the embodiment of the present invention is a wireless relay network. Wherein, a relay node (Relay Node, RN) is an employee, and a source node (Source Node, SN) is an employer, which can provide relay services. As an active contracting party, SN provides RN with a dynamic contract consisting of a series of contract terms. The contract terms include its remuneration and the provided relay forwarding time.

[0043] The specific process is as follows:

[0044] (1) SN learns θ 1 value;

[0045] (2) RN provides a long-term contract {π i1 (q i1 ); i2 (q i...

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Abstract

The invention belongs to the technical field of the wireless cooperative communication system, and specifically relates to a wireless relay network dynamic motivation mechanism design method based on contract theory. For a selfishness demand and an information asymmetric feature of a mobile relay node in the wireless relay network, the invention provides a dynamic motivation mechanism design method based on the contract theory. In consideration of the computing resource and a power changing feature of the mobile relay node, a two-stage dynamic contract motivation model is researched on the basis of establishing a mobile relay node model and a source node model, the mobile relay node is motivated to participate the long-term energy transaction by screening the real cost information of the mobile relay node in the premise of satisfying the compatible constraint and participation constraint of the mobile relay node, thereby avoiding the additional cost produced by renegotiating or selecting another transaction object, and the source node can acquire the maximum expected utility.

Description

technical field [0001] The invention belongs to the technical field of wireless cooperative communication systems, and in particular relates to a method for designing a dynamic incentive mechanism of a wireless relay network based on contract theory. Background technique [0002] With the development of smart phones that can support multi-mode wireless access at the same time, it is more possible to carry out collaborative communication and management at the smart phone level. The ways of collaborative communication include but are not limited to cellular networks, Wi-Fi and Bluetooth. However, the distributed cooperative communication mechanism is still challenging, and its design and algorithm complexity still need to be reduced. First, there may be serious problems with mobile node signaling overhead, which increases the operating cost of wireless relay networks. Second, mobile nodes are limited by computing resources and power consumption, such as CPU or battery. In ad...

Claims

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Application Information

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IPC IPC(8): H04W24/06H04W40/22G06F17/50
CPCG06F30/18G06F30/20H04W24/06H04W40/22Y02D30/70
Inventor 赵楠刘睿陈洋范孟林樊鹏飞田超
Owner HUBEI UNIV OF TECH
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