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- W2068973458 abstract "Ultra-wide-band (UWB) is a promising short-range indoor wireless communication technology for large communication capacity, high transmission rate, low power consumption, etc. Multi-band orthogonal frequency-division multiplexing ultra-wide-band (MB-OFDM UWB) system can achieve much higher anti-noise capability and flexibility. However, the transmission power of UWB systems is strictly restricted for avoiding the interference with other wireless communication systems existing in the same frequency spectrum range. It is necessary that adequately utilizes channel estimation to allocate bit and power effectively. According to the change of channel gain, UWB systems modify the allocation factor to optimize the performance of systems and reduce power allocation remainder. Simulation shows modified bit-power allocation algorithm can enhance power allocation efficiency. Furthermore, it is found that the power remainder of modified allocation factor algorithm is less influenced by the bit error rate." @default.
- W2068973458 created "2016-06-24" @default.
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- W2068973458 date "2013-09-01" @default.
- W2068973458 modified "2023-09-27" @default.
- W2068973458 title "Bit and Power Allocation Algorithm for OFDM UWB Systems" @default.
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- W2068973458 doi "https://doi.org/10.4028/www.scientific.net/amr.760-762.472" @default.
- W2068973458 hasPublicationYear "2013" @default.
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