性能选择的下垫式认知无线电功率分配

doi:10.13229/j.cnki.jdxbgxb.20230006

摘要/Abstract

摘要：

针对Underlay认知无线电网络中各用户的不同目标需求，提出根据用户实际需求灵活调整目标的功率分配方案。提出双目标调整因子对用户功耗和服务质量的性能指标进行配置，构建性能选择目标函数，有效解决传统的功率分配算法下仅考虑单方面性能提高的情况。为验证方案的有效性，对不同调整因子下的用户功率和信干噪比进行仿真分析。实验表明：通过调整目标因子可以实现在低功耗和高服务质量之间进行选择，满足同一场景下各用户的不同需求。

关键词: 认知无线电, 功率分配, 调整因子

Abstract:

Aiming at the different target requirements of each user in the Underlay cognitive radio network， a power allocation scheme that flexibly adjusts the target according to its actual needs is proposed. A dual-objective adjustment factor is proposed to configure the performance indicators of user power consumption and quality of service （QoS）， and a performance selection objective function is constructed to effectively solve the problem of only considering unilateral performance improvement under the traditional power allocation algorithm. In order to verify the effectiveness of the scheme， the user power and signal to noise ratio under different adjustment factors are simulated and analyzed. Experiments show that by adjusting the target factor， low power consumption and high quality of service can be selected to meet the different needs of users in the same scenario.

Key words: cognitive radio, power allocation, adjustment factors

中图分类号:

TN 929.5

周明月,李以峰. 性能选择的下垫式认知无线电功率分配[J]. 吉林大学学报(工学版), 2024, 54(11): 3372-3378.

Ming-yue ZHOU,Yi-feng LI. Power allocation for a performance-selected underlay cognitive radio[J]. Journal of Jilin University(Engineering and Technology Edition), 2024, 54(11): 3372-3378.

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