Performance analysis of ultra-wideband based wireless sensor networks in indoor office LOS environment
WU Xuan-li1,2, LUO Chao2, YANG Xiao-zong1, SUN Lu-kuan2, CAO Yang2
1.School of Computer Science and Technology, Harbin Institute of Technology, Harbin 150001, China;2.School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China
Abstract:
By analyzing the indoor office LOS channel model defined by IEEE 802.15.4a standard and deducing the variance for intra-symbol interference (IASI), inter-symbol interference (ISI) and multiuser interference (MUI), performance analysis model for ultra-wideband (UWB) based wireless sensor networks (WSN) is proposed, and the bit error rate (BER) formulation is also obtained. The comparison of performance analysis model with and without intra-symbol interference shows that the intra-symbol interference cannot be neglected and such interference will significantly decrease the system performance. In order to verify the proposed performance analysis model and BER formulation, the semi-definite programming (SDP) algorithm is used to obtain the pulses complying with the spectrum requirement of China and IEEE 802.15.4a standard, and by using such pulses, simulations and theoretical analysis are compared, the comparison results show the validity of the proposed performance analysis model and BER formulation.
Key words: ultra-wideband IEEE 802.15.4a BER performance analysis semi-definite programming
DOI：10.11916/j.issn.1005-9113.2012.05.016
Clc Number:TN914.3
Fund:
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Performance analysis of ultra-wideband based wireless sensor networks in indoor office LOS environme
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Performance analysis ultra-wideband based wireless sensor networks
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