Bit and power allocation algorithm for OFDM UWB systems

doi:10.4028/www.scientific.net/AMR.760-762.472

LZUFE-KMS

	Bit and power allocation algorithm for OFDM UWB systems
	Li, Hai Yan
	2013
会议名称	2nd International Conference on Opto-Electronics Engineering and Materials Research, OEMR 2013
会议录名称	Advanced Materials Research
卷号	760-762
页码	472-477
会议日期	2013-10-19 - 2013-10-20
会议地点	Zhengzhou, Henan, China
出版者	Trans Tech Publications Ltd, Kreuzstrasse 10, Zurich-Durnten, CH-8635, Switzerland
摘要	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. © (2013) Trans Tech Publications, Switzerland.
关键词	Algorithms Bit error rate Communication systems Electronics engineering Information technology Orthogonal frequency division multiplexing Wireless telecommunication systems Bit and power allocation algorithms Bit-power allocation Communication capacity High transmission rate Indoor wireless communications Performance of systems UWB Wireless communication system
DOI	10.4028/www.scientific.net/AMR.760-762.472
收录类别	EI
语种	英语
EI入藏号	20134416937799
文献类型	会议论文
条目标识符	http://ir.lzufe.edu.cn/handle/39EH0E1M/9773
专题	兰州财经大学
作者单位	School of Information Engineering, Lanzhou University of Finance and Economics, Lanzhou, 730020, China
推荐引用方式 GB/T 7714	Li, Hai Yan. Bit and power allocation algorithm for OFDM UWB systems[C]:Trans Tech Publications Ltd, Kreuzstrasse 10, Zurich-Durnten, CH-8635, Switzerland,2013:472-477.