Performance Analysis of Time-Hopping Pulse Width Modulation for Ultra-Wideband Impulse Radio

被引：0
|
作者：
Wang, Feng [1 ]
Xu, Chengqi [1 ]
Ji, Xuande [2 ]
Zhang, Yan [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing, Peoples R China
[2] Luoyang Inst Sci & Technol, Dept Automat, Luoyang, Peoples R China
来源：
2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31 | 2008年
关键词：
Ultra-wideband (UWB); pulse width modulation (PWM); pulse position modulation (PPM); bit error rate (BER);
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The Ultra Wide-Band (UWB) technology is going to become one of main technologies in short-range high-rate wireless communications due to its unique characteristics. This paper presents a new modulation scheme-pulse width modulation (PWM) for UWB communication systems and describes the signal model modulated by this modulation scheme based on the time-hopping (TH) multiple access mode. Its bit error rate (BER) performance is analyzed in presence of multipath channel and a comparison is made between TH-PWM and time-hopping pulse position (TH-PPM) systems. BER performances for these two systems are simulated respectively in the four typical dense multipath channel CM1-CM4 recommended by IEEE 802.15.3a. The theoretical and simulation results prove that PWM is a viable modulation scheme with better BER performance for UWB communication systems. Despite the theoretical analysis and simulation are based on the time-hopping multiple access, PWM modulation scheme can also be applied to other multiple access methods of UWB communication system.
引用
收藏
页码：1151 / +
页数：2
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