| 基于多用户QoS的中继系统功率分配算法 |
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| 引用本文： | 严靖琳,唐伦,陈前斌,陈波. 基于多用户QoS的中继系统功率分配算法[J]. 计算机应用, 2011, 31(3): 606-608. DOI: 10.3724/SP.J.1087.2011.00606 |
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| 作者姓名： | 严靖琳 唐伦 陈前斌 陈波 |
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| 作者单位： | 1. 重庆邮电大学 移动通信重点实验室2. 中国人民银行 重庆营业管理部 |
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| 基金项目： | 国家自然科学基金资助项目，重庆市自然科学基金重点资助项目，重庆市教委科学技术研究项目 |
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| 摘 要： | 研究了非再生中继满足不同用户速率需求的公平性功率分配问题。提出了基于用户期望速率比例公平性功率分配算法，由于源端无法预先接收用户期望速率信息，该算法在实际操作中存在一定的不可操作性。进一步提出了预均分公平性功率分配算法，可弥补基于用户期望速率比例公平性功率分配算法的不足。仿真结果表明，两种算法都实现了保证用户服务质量(QoS)的最优功率分配以最小化用户速率与期望速率差值，节约网络资源的优化目标。
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| 关 键 词： | 公平性 功率分配 启发式算法 中继 |
| 收稿时间： | 2010-08-13 |
| 修稿时间： | 2010-11-04 |
Power allocation algorithm with QoS-requirements in multi-user relay networks |
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| YAN Jing-lin,TANG Lun,CHEN Qian-bin,CHEN Bo. Power allocation algorithm with QoS-requirements in multi-user relay networks[J]. Journal of Computer Applications, 2011, 31(3): 606-608. DOI: 10.3724/SP.J.1087.2011.00606 |
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| Authors: | YAN Jing-lin TANG Lun CHEN Qian-bin CHEN Bo |
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| Affiliation: | 1. Key Laboratory of Mobile Communication, Chongqing University of Posts and Telecommunications, Chongqing 400065, China2. Chongqing Branch, People's Bank of China, Chongqing 400065, China |
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| Abstract: | To study the fairness-optimization problem with different user-rate in non-regenerative relay network, a power allocation algorithm based on user-required rate proportional fairness was proposed. Because the source could not receive the messages of the user's hope rate, a pre-average allocation fairness algorithm was proposed to overcome the disadvantage of the prior algorithm. The simulation results show that the two algorithms realize goal of minimizing the difference between user-rate and required rate and save the resource in network with assuring the users' requirement of Quality of Service (QoS). |
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| Keywords: | fairness power allocation heuristic algorithm relay |
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