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Dynamic frequency spectrum allocation method and computer program for multi-channel anti-sybil attack

A technology of dynamic spectrum and allocation method, applied in computing, wireless communication, data processing applications, etc., can solve the problem that bidders cannot provide flexibility in time dimension, do not take into account the prevention of Sybil attacks and other related properties, cannot prevent Sybil attacks, etc. question

Active Publication Date: 2021-07-30
XIDIAN UNIV
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Problems solved by technology

[0003] To sum up, the problems in the existing technology are: the existing auction-based wireless spectrum allocation mechanism does not take into account the prevention of Sybil attacks and other related properties, and there are many defects; and it cannot provide bidders with flexibility in the time dimension
That is, existing algorithms cannot prevent Sybil attacks and consider the flexibility of the time dimension of the spectrum

Method used

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] The existing auction-based wireless spectrum allocation mechanism does not take into account the prevention of Sybil attacks and other related properties; it cannot provide bidders with flexibility in the time dimension. The present invention integrates the auction model in economics, and designs an online dynamic spectrum auction mechanism that can meet secondary users' flexible demands on channels and bid against Sybil attacks; through this mechanism, secondary users can submit their different Demand and the corresponding estimation function are used to bid for the spectrum, which prevents the Sybil attack of illeg...

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Abstract

The invention belongs to the technical field of dynamic resource division, and discloses a multi-channel anti-Sybil attack dynamic frequency spectrum allocation method and a computer program; it defends against the Sybil attack and dynamically corresponds to a flexible real valuation to quote an anti-strategy manipulation spectrum auction model , discuss the bidding relationship between sub-users in the model, and carry out spectrum auction by designing a specific bidding strategy; adopt auction theory and mechanism to prevent Sybil attacks, and carry out online spectrum auction through bidding strategy. The spectrum allocation method of the present invention can not only realize individual rationality and authenticity, but also resist Sybil attacks, and dynamically allocate channels online, which improves spectrum efficiency and reusability; according to the evaluation results, the present invention can prevent bidders from manipulating the auction, and Achieve good spectrum reallocation performance. The method proposed by the invention is easy to implement and easy to expand, and is closer to practical application than the proposed spectrum auction method.

Description

technical field [0001] The invention belongs to the technical field of dynamic resource division, and in particular relates to a dynamic spectrum allocation method and a computer program for multi-channel anti-Sybil attack. Background technique [0002] Currently, the existing technology commonly used in the industry is this: The radio spectrum is a critical but scarce resource for wireless communication. With the emergence of software-defined radios (SDR, software-definedradios) and wireless devices, the problem of spectrum shortage is becoming more and more serious, and has become a bottleneck for the rapid development of the wireless communication industry. In traditional static spectrum allocation mechanisms, long-term spectrum licenses are issued to wireless devices, resulting in low spectrum utilization due to traffic fluctuations. To improve spectrum utility, dynamic spectrum access mechanisms have been proposed to reallocate spectrum resources, where spectrum owners...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/122H04W72/04G06Q30/08
CPCH04W12/08H04W72/0453G06Q30/08H04W72/52H04W72/51
Inventor 董学文康乔李光夏王永智卢笛张涛
Owner XIDIAN UNIV
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