Distributed cognition wireless network spectrum allocation method based on coalition games

A cognitive wireless network and spectrum allocation technology, applied in the field of distributed cognitive radio network and on-demand spectrum allocation, can solve the problem of not considering the fairness of secondary users in spectrum allocation, not considering the difference of channel quality, and violating cognition Network owner and user communication problems, to achieve the effect of improving satisfaction and enthusiasm, increasing the probability of obtaining idle frequency bands, and improving service quality

Active Publication Date: 2013-08-21
XIDIAN UNIV
View PDF6 Cites 27 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this patent application are: firstly, the clusters in the method model are static and cannot be dynamically adjusted according to the state changes of secondary users
The shortcomings of this patent application are: firstly, only the needs and bids of the secondary users are considered, but the credibility of the secondary users is not considered. The original intention of affecting primary u

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Distributed cognition wireless network spectrum allocation method based on coalition games
  • Distributed cognition wireless network spectrum allocation method based on coalition games
  • Distributed cognition wireless network spectrum allocation method based on coalition games

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0059] The present invention will be further described below in conjunction with the accompanying drawings.

[0060] The application scenario of the present invention is a cognitive wireless network. Secondary users in the network are located in the same geographical location. Distributed networking is adopted. There is no base station. Secondary users apply for the use of idle frequency bands according to their respective needs. After being allocated to idle frequency bands, the data communication.

[0061] Refer to attached figure 1 , the concrete steps of the present invention are described as follows:

[0062] Step 1, detect idle spectrum.

[0063] The initial value of the trust value of the secondary user participating in spectrum allocation for the first time is set to 0.5, and the initial value of the participation value of the secondary user is set to 0.

[0064] The trust value of the secondary user indicates the credibility of its behavior, which is a standard to ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a distributed cognition wireless network spectrum allocation method based on coalition games. The problem that in the prior art, a cognition wireless network cannot fully use a totalization and whole and partial concept to allocate free frequency ranges is mainly solved. The method comprise the steps of detecting free frequency ranges, computing secondary user utility values, establishing stable coalition, selecting a coalition manager, merging data, refreshing secondary user trust values, allocating the free frequency ranges and refreshing the secondary user trust values. The method is fully combined with the advantages of the cognition wireless network, the trust values, participation values and requirement values are used to represent the utility values of a secondary user comprehensively, the secondary user satisfaction degree of the free frequency ranges and network service quality are improved, the secondary user is divided into the coalition to allocate spectrum resources, using ratio of the free frequency ranges and fairness of spectrum allocating are improved, and by refreshing the secondary user trust values, negative influence on a network from a vicious secondary user is lowered.

Description

technical field [0001] The invention belongs to the field of communication technology, and further relates to a method for allocating spectrum on demand based on alliance game in a distributed cognitive radio network in the field of cognitive wireless networks. According to the demand value, participation value, trust value of the secondary user and the physical attributes of the authorized frequency band, the present invention can dynamically adjust the probability of the secondary user obtaining the frequency spectrum in combination with the engineering optimization method and the alliance game method, so as to realize the spectrum resources of the cognitive wireless network Allocation and use are more flexible, efficient and fair. Background technique [0002] In recent years, due to the limitation of spectrum resources and most of the spectrum has been allocated to licensed users, today's spectrum resources are scarce. In fact, a large number of studies have shown that ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04W16/10
Inventor 裴庆祺李子李钊
Owner XIDIAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap