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WiMAX系统基于CID的压缩机制研究

Research on CID based compression mechanism for WiMAX
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摘要 分析了WiMAX系统分段MAC PDU报头及子头格式,提出了一种利用分段MAC PDU头保留位和子头保留位对CID进行编码的压缩算法,实现对分类之后冗余信息的有效压缩,给出了详细的算法流程,并对无线信道模型和CID映射表进行了量化分析。仿真结果表明,提出的压缩机制达到了满意的压缩效果。 The format of sub-MAC PDU's header and sub-header was analyzed in WiMAX system. And a compression algorithm was proposed, which encoding CID using reserved bits of the sub-MAC PDU's header and sub-header, thus redundant information was compressed efficiently after information classification. Algorithm flow was introduced in details, radio channel and CID mapping table were analyzed quantitatively. The simulation results show that the proposed compression mechanism achieves satisfactory compression effect.
出处 《通信学报》 EI CSCD 北大核心 2011年第12期131-135,共5页 Journal on Communications
基金 国家科技重大专项基金资助项目(2011ZX03002-004-02) 国家自然科学基金资助项目(60671037) 科技部国际合作基金资助项目(2009DFA12120)~~
关键词 WIMAX 报头 保留位 CID 压缩 WiMAX header reserved bit CID compression
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