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• W2986333254 abstract "In wireless systems, the multipath components (MPCs) are propagated through direct line of sight (LOS) and indirect non line of sight (NLOS). Multipath occurs due to reflection, diffraction, and scattering of transmitted signal. MPCs are considered one of the main problems in wireless communication system especially in ultra-wideband UWB system because these MPCs have a different amplitudes, phases, and delays with respect to the transmitted signals and cause signal distortions and fading that degrade the quality of the received signal and lead to poor performance in wireless communication systems. However multipath phenomena is used to enhance system performance by using a dedicated wireless receiver such as wireless rake receiver to resolve the MPCs and reduce multipath fading effects to improve system performance. The combiner is a main part of rake receiver and used to capture most of the energy of the received signal. Using this combiner, the system can achieve better performances that lead to maximize the average signal to noise ratio (SNR) to recover the transmitted signal with lower bit error rate (BER). This technique is suitable for UWB wireless devices that are commonly used for high-speed data rate through short-range indoor wireless communication. In this paper, a new combiner was proposed to enhance the combining performance of UWB wireless rake receiver named adaptive partial-hybrid (AP-H) combiner. For comparison, the two conventional combiners: selective combiner and partial combiner were designed. The simulation results were obtained by using MATLAB software; these results show higher system performance when using the proposed AP-H combiner than other conventional combiners. For this work, UWB signal was used with binary phase shift keying-Time Hopping (BPSK-TH) multiple access modulation scheme." @default.
• W2986333254 created "2019-11-22" @default.
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• W2986333254 date "2019-06-05" @default.
• W2986333254 modified "2023-10-12" @default.
• W2986333254 title "Implementation of New Combiner for Indoor UWB Wireless Rake Receiver" @default.
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• W2986333254 doi "https://doi.org/10.1088/1757-899x/518/5/052012" @default.
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