ANALYTICAL PERFORMANCE EVALUATION OF TIME-HOPPING PULSE POSITION AMPLITUDE MODULATION IR-UWB SYSTEMS UNDER MULTI USER INTERFERENCE

被引：0
|
作者：
Herceg, Marijan [1 ]
Grbic, Ratko [1 ]
Svedek, Tomislav [1 ]
机构：
[1] JJ Strossmayer Univ Osijek, Fac Elect Engn, HR-31000 Osijek, Croatia
来源：
TEHNICKI VJESNIK-TECHNICAL GAZETTE | 2011年 / 18卷 / 03期
关键词：
characteristic function; multi-user interference; Pulse Position Amplitude Modulation; symbol error rate; ultra-wideband;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the characteristic function (CF) method is used to derive symbol error rate (SER) expression for time-hopping impulse radio ultra-wideband (TH-IR-UWB) systems with Pulse Position Amplitude Modulation (PPAM) scheme in the presence of multi-user interference (MUI). The derived expression is validated with Monte-Carlo simulation and compared with orthogonal Pulse Position Modulation (PPM). Moreover, the analytical results are compared with Gaussian approximation (GA) of MUI which is shown to be inaccurate for medium and large signal-to-noise ratio (SNR). It is also shown that PPAM scheme outperforms PPM scheme for all SNR. At the end the influence of different system parameters on the PPAM performance is analyzed.
引用
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页码：321 / 326
页数：6
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