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Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) approach using UWB signals with short duration of pulses provide unique advantages in short-range high data rate wireless applications which include easy penetration through obstacles, high precision ranging and low processing power. A perfect reconstruction using discrete wavelet packet transmultiplexer in MB-OFDM transceiver counters...
In this paper, studies are performed and techniques are proposed for interference mitigation in Transmitted Reference ultra wideband (TR-UWB) system. The best method for suppressing and reducing the mutual interference is without modifying interfering systems. The coexistence of multisystem is given by: (a) Interference reduction from UWB systems to other narrowband (single and multiple) and wideband...
For high data rate ultra wideband communication system, performance study RAKE-MMSE time domain equalization (both LE and DFE) is attempted in these paper. We focus our attention on the effects of the number of RAKE fingers and equalizer taps on the error performance. The proposed receiver combats inter-symbol interference by taking advantage of the RAKE and equalizer structure. The receiver performance...
Study on RAKE-MMSE time domain equalizers are attempted for high data rate ultra wideband communication system. We have taken into account of impact of all the parameters such as the effect of the number of Rake fingers and equalizer taps on the error performance. The proposed receiver combats inter-symbol interference by taking advantage of the Rake and equalizer structure. A semi analytical approach...
For high data rate ultra wideband communication system, performance comparison of Rake, MMSE and Rake-MMSE receivers is attempted in this paper. The effect of the number of Rake fingers and equalizer taps on the error performance by combating ISI are the major focus of our research. The bit error rate performances are investigated using semi analytical approach and Monte-Carlo simulation on IEEE 802...
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