| 802.16e系统周期测距的软件设计和实现 |
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| 引用本文： | 谢显中,肖博仁.802.16e系统周期测距的软件设计和实现[J].重庆邮电学院学报(自然科学版),2011(2). |
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| 作者姓名： | 谢显中 肖博仁 |
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| 作者单位： | 重庆邮电大学个人通信研究所; |
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| 基金项目： | 国家自然科学基金(60872037); 航天“十一五”预研项目(E2007-08)~~ |
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| 摘 要： | 测距作为WiMAX上行链路调整时间偏置、功率信息和载波频率的一种方法,在系统接入和通信过程中起着重要作用。深入研究了基于ARM处理器的802.16e系统正交频分多址(orthogonal frequency division multiple ac-cess,OFDMA)物理层的周期测距的软件设计与实现,给出了802.16e系统OFDMA物理层的周期测距算法和流程、周期测距码的发射和检测原理以及周期测距模块的C语言设计。在搭建的测试平台上进行链路测试,结果表明此方案是可行的。
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| 关 键 词： | 802.16e 网络接入与初始化 周期测距 正交频分多址(OFDMA) ARM 系统测试 |
Software design and implementation for periodic ranging of 802.16e |
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| XIE Xian-zhong,XIAO Bo-ren.Software design and implementation for periodic ranging of 802.16e[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2011(2). |
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| Authors: | XIE Xian-zhong XIAO Bo-ren |
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| Institution: | XIE Xian-zhong,XIAO Bo-ren(Institute of Personal Communication,Chongqing University of Posts and Telecommunications,Chongqing 400065,P.R.China) |
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| Abstract: | One of the ways to adjust time offset,power information and carrier frequency of WiMAX uplink is ranging,which playes an important role in the process of system access and communication.This paper thoroughly studies the software design and implementation for periodic ranging of orthogonal frequency division multiple access(OFDMA)physical layer of 802.16e based on Advanced RISC Machines(ARM)processor.It gives periodic ranging algorithm and process,the principle of periodic ranging code transmission and detec... |
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| Keywords: | 802 16e network entry and initialization periodic ranging orthogonal frequency division multiple access(OFDMA) ARM system test |
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