基于次用户优先级的频谱共享动态博弈算法

doi:10.13229/j.cnki.jdxbgxb20180998

摘要/Abstract

摘要：

针对包含多个主用户的主服务和包含多个次用户的次服务在频谱市场中的频谱共享问题，提出了一种认知频谱共享动态博弈算法。引入优先级机制，优先满足次服务中关键任务用户和高实时性业务用户的频谱需求；考虑主服务的收益和次服务的满意度，得到满足稀缺资源分配属性的频谱价格；利用非合作博弈建模次用户间的竞争过程，保证次用户的效用最大化。对静态博弈、动态博弈、动态博弈稳定性的仿真分析证明了该算法在频谱共享中的合理性和有效性。

关键词: 通信技术, 认知无线电, 频谱共享, 非合作博弈, 优先级

Abstract:

A dynamic game algorithm for cognitive spectrum sharing is proposed, to solve the spectrum sharing problem in the spectrum market, in which there exist multiple primary users and secondary users that belong to primary service and secondary service respectively. The Priority strategy is introduced to meet the spectrum requirements of mission-critical users and high real-time service users of secondary service. The spectrum price satisfying allocation attribute of scarce resources is obtained by considering the revenue of primary service and the satisfaction of secondary service. The non-cooperative game is used to model the competition process between secondary users to maximize the utilities of secondary users. The simulation results of static game, dynamic game and dynamic game stability show that the algorithm is reasonable and effective in spectrum sharing.

Key words: communication technology, cognitive radio, spectrum sharing, non-cooperative game, priority

中图分类号:

TN929.5

李翠然,于永生,谢健骊. 基于次用户优先级的频谱共享动态博弈算法[J]. 吉林大学学报(工学版), 2020, 50(1): 315-323.

Cui-ran LI,Yong-sheng YU,Jian-li XIE. Dynamic game algorithm for spectrum sharing based on priority of secondary users[J]. Journal of Jilin University(Engineering and Technology Edition), 2020, 50(1): 315-323.

图/表 9

图1

表1

Saaty标度"

$a i j$	i:j重要程度	$a i j$	i:j重要程度
1	同等重要	7	强烈重要
3	稍微重要	9	极端重要
5	明显重要

表1

图2

图3

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图5

图6

图7

图8

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