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多载波蜂窝移动通信系统中的多业务切换算法 被引量：1

Multi-service handoff algorithm used in multi-carrier wireless cellular communication system
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摘要 提出一种用于多载波蜂窝移动通信系统的子信道合并切换算法。采用多维Markov链对子信道合并切换算法进行系统建模分析,得到了呼叫阻塞率、切换阻塞率等关键系统性能参数的解析结果。与切换保护信道算法相比,子信道合并切换算法在对其他类型呼叫性能影响很小的前提下,改善了对带宽要求较高的业务的切换性能。该算法还可以与其他资源预留切换算法相结合,改善其性能。 A novel handoff algorithm named sub-channel combination （SCHC） handoff algorithm used in multi-carrier cellular mobile communication system was proposed. Multi-dimensional Markov chain was used to analyze the performances of SCHC handoff algorithm. Analytical results of the key parameters such as handoff blocking probability were analytically obtained. The analysis shows that the proposed scheme of sub-channel combination improves the handoff performance as compared with the guard channel algorithm. The handoff blocking probability for the bandwidth consuming service is decreased while the other communication quality remains unchanged during the handoff. The sub-channel combination scheme can also work with the other resource reservation handoff schemes to improve their performances.
作者 李剑 胡波
机构地区 复旦大学电子工程系
出处 《通信学报》 EI CSCD 北大核心 2007年第3期85-92,共8页 Journal on Communications
关键词 蜂窝式移动通信系统 多业务切换 多维Markov链 多载波通信 cellular mobile communication system multi-service handoff multi-dimensional Markov chain multi-cartier communication
分类号 TN929.53 [电子电信—通信与信息系统]
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参考文献13

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同被引文献11

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通信学报
2007年 第3期

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