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- W2546806731 abstract "In this paper, we analyze the Multiband orthogonal frequency-division multiplexing (OFDM) system for high-rate wireless personal area networks (WPANs) based on ultra-wideband (UWB) transmission and with the help of Zigbee transceiver. We also propose system performance through the application of Turbo and Repeat-Accumulate (RA) codes. Our methodology consists of (c) simulation results for the Multiband OFDM standard proposal as well as our proposed extensions, and (d) the consideration of the influence of practical, imperfect channel estimation on the performance. We find that the current Multiband OFDM standard sufficiently exploits the frequency selectivity of the UWB channel. Reduced-complexity clustered bit-loading algorithm improves the system power efficiency by over 6 dB at a data rate of 480 Mbps. Also in this paper we have tried to improve Error rate performance of Zigbee Personal Area Network (PAN) using multiple transmitters on existing system with OQPSK modulation in AWGN channel environment. From the simulation results we have found that our proposed multiple transmitters scheme (MISO) gives quite better results on low SNR values comparatively with the existing Single Input Single Output (SISO) approach." @default.
- W2546806731 created "2016-11-11" @default.
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- W2546806731 date "2015-01-01" @default.
- W2546806731 modified "2023-09-27" @default.
- W2546806731 title "TECHNOLOGY PERFORMANCE EVALUATION OF MULTIBAND OFDM FOR UWB AND ZIGBEE COMMUNICATIONS" @default.
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