IEEE 802.16e上行测距研究

计算机科学 ›› 2013, Vol. 40 ›› Issue (Z6): 228-231.

IEEE 802.16e上行测距研究

吕海坤,黎海涛

北京工业大学电子信息与控制工程学院北京100124;北京工业大学电子信息与控制工程学院北京100124

出版日期:2018-11-16 发布日期:2018-11-16
基金资助:
本文受北京市自然科学基金项目(4112012),北京市教委科技成果转化项目资助

Research on Uplink Ranging Technique in IEEE 802.16e Network

LV Hai-kun and LI Hai-tao

Online:2018-11-16 Published:2018-11-16

摘要/Abstract

摘要： IEEE802.16e/ WiMAX无线网络中,由于每个用户端与基站的距离各不相同,需要采用有效的测距机制对用户信号进行上行同步和功率控制。首先分析了IEEE802.16e的测距原理,包括测距码的产生、发送与检测算法等；然后,给出了上行基站测距处理的各个功能单元,如测距码、功率检测和时延估计的设计流程；最后,在IEEE802.16e基站系统中完成了上行测距处理的实现,测试结果表明给出的测距方案可行。

关键词: 测距,差分相乘,功率检测,时延估计

Abstract: Efficient ranging technique is utilized to achieve the uplink time slot synchronization and power control in WiMAX/IEEE802.16e network．The principle of ranging which is involved in the generation,transmission and detection of ranging codes is analyzed firstly．Then,the key techniques of uplink ranging processing which includes the power detection and time delay estimation is investigated．Finally,the DSP implementation of ranging processing is given in detail,the test results show that the proposed ranging scheme is feasible.

Key words: Ranging,Differentially multiplying,Power detection,Time delay estimation

吕海坤,黎海涛. IEEE 802.16e上行测距研究[J]. 计算机科学, 2013, 40(Z6): 228-231. https://doi.org/

LV Hai-kun and LI Hai-tao. Research on Uplink Ranging Technique in IEEE 802.16e Network[J]. Computer Science, 2013, 40(Z6): 228-231. https://doi.org/

参考文献

[1] IEEE Standard for Local and metropolitan area networks Part 16:Air Interface for Broadband Wireless Access Systems[S]．May 2009,29
[2] Mahmoud H A,Arslan H,Ozdemir M K.Initial Ranging for WiMAX(802.16e)OFDMA[C]∥Military Communications Conference,MILCOM 2006．IEEE,Washington DC,2006:1-7
[3] Lin Yung-chuan,Su Szu-lin,Wang Hsin-chih．A Low Complexity Method of Initial Ranging for IEEE802.16e OFDMA Systems[C]∥Advanced Communication Technology,ICACT 2009．11th International Conference,Gangwon-Do,South Korea,2009:1137-1141
[4] Lee D H,Morikawa H．Performance Analysis of Ranging Pro-cess in IEEE802.16e OFDMA Systems[C]∥Wireless and Mobile Computing,Networking and Communications．WiMOB 2007．Third IEEE International Conference,White Plains,NY,2007:16
[5] 李焕华．正交频分复用系统的测距技术研究[D].广州:华南理工大学,2010

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