Title :
Characterization of MB-OFDM-Based Ultrawideband Systems for Body-Centric Wireless Communications
Author :
Abbasi, Qammer H. ; Alomainy, Akram ; Hao, Yang
Author_Institution :
Sch. of Electron. Eng. & Comput. Sci., Univ. of London, London, UK
fDate :
7/3/1905 12:00:00 AM
Abstract :
This letter aims to investigate the optimum locations for ultrawideband (UWB) nodes placement on the body for reliable and power-efficient body-centric wireless communications. System-level modeling is analytically and numerically performed on the basis of multiband orthogonal frequency division multiplexed (MB-OFDM) system. System performance is evaluated for different parts of the body based on real-time measurements. Results and analyses, based on signal-to-noise ratio (SNR) and bit error rate (BER), demonstrated that BER is less than or equal to 0.1% for 96.43% of lower-body locations (for on-body communications) and 83.68% of the human trunk ones (for off-body communications), respectively, with low power requirements.
Keywords :
OFDM modulation; body area networks; error statistics; ultra wideband communication; BER; MB-OFDM-based ultrawideband systems; UWB nodes; multiband orthogonal frequency division multiplexed system; off-body communications; power-efficient body-centric wireless communications; signal-to-noise; ultrawideband nodes; wireless body area network; Antenna measurements; Bit error rate; Legged locomotion; OFDM; Receivers; Ultra wideband technology; Wireless communication; Body-centric wireless communication; off-body; on-body; ultrawideband (UWB);
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2011.2178586
