| 宽带无线多播轮询VoIP业务上行调度机制 |
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| 引用本文： | 张瀚峰,杨斌,吴伟陵.宽带无线多播轮询VoIP业务上行调度机制[J].北京邮电大学学报,2007,29(2):28-31. |
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| 作者姓名： | 张瀚峰 杨斌 吴伟陵 |
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| 作者单位： | 北京邮电大学,信息工程学院,北京,100876 |
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| 基金项目： | 国家自然科学基金，北京市科技计划 |
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| 摘 要： | 基于宽带无线通信WiMax系统，运用多播轮询技术和 IP语音(VoIP)业务的静默特性，提出了支持VoIP业务的有效的上行调度服务机制和算法。通过理论和仿真分析，在不影响VoIP业务时延特性条件下，新算法能提高系统吞吐量和容纳更多的语音用户。
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| 关 键 词： | 宽带无线通信系统 上行调度服务 多播轮询 IP语音业务 |
| 文章编号： | 1007-5321（2007）02-0028-04 |
| 收稿时间： | 2006-04-02 |
| 修稿时间： | 2006年4月2日 |
An Efficient Uplink Scheduling Algorithm Based on Multi-Polling for VoIP Service in BWA System |
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| ZHANG Han-feng,YANG Bin,WU Wei-ling.An Efficient Uplink Scheduling Algorithm Based on Multi-Polling for VoIP Service in BWA System[J].Journal of Beijing University of Posts and Telecommunications,2007,29(2):28-31. |
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| Authors: | ZHANG Han-feng YANG Bin WU Wei-ling |
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| Affiliation: | (School of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China)
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| Abstract: | Making full of multi-polling technique and the silence characteristic of voice over IP(VoIP)service,a new efficient uplink scheduling algorithm is proposed based on broadband wireless access system.After analysis of theory and simulation,the proposed algorithm is found to have superior performance in view of throughput and capacity on the condition with no influence in the access delay of VoIP service. |
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| Keywords: | broadband wireless access system uplink scheduling service multi-polling voice over IP services |
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