Characterization of MB-OFDM-Based Ultrawideband Systems for Body-Centric Wireless Communications

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.

[1]  Yang Hao,et al.  System-level modelling of optimal ultra wideband body-centric wireless network , 2009, 2009 Asia Pacific Microwave Conference.

[2]  K. J. Ray Liu,et al.  Ultra-wideband communications systems , 2007 .

[3]  Yang Hao,et al.  Transient Characteristics of Wearable Antennas and Radio Propagation Channels for Ultrawideband Body-Centric Wireless Communications , 2009, IEEE Transactions on Antennas and Propagation.

[4]  John C. Batchelor,et al.  Antennas and Propagation for Body-Centric Wireless Communications , 2012 .

[5]  W. Pam Siriwongpairat,et al.  Ultra-Wideband Communications Systems: Multiband OFDM Approach , 2007 .

[6]  Yue Ping Zhang,et al.  Performance of UWB Impulse Radio With Planar Monopoles Over On-Human-Body Propagation Channel for Wireless Body Area Networks , 2007, IEEE Transactions on Antennas and Propagation.

[7]  Mohsen Guizani,et al.  Wireless Communications Systems and Networks , 2006 .

[8]  Qiong Wang,et al.  Performance of On-Body Chest-to-Waist UWB Communication Link , 2009 .

[9]  M.P. Wylie-Green,et al.  Multi-band OFDM UWB solution for IEEE 802.15.3a WPANs , 2005, IEEE/Sarnoff Symposium on Advances in Wired and Wireless Communication, 2005..

[10]  Akram Alomainy,et al.  UWB on-body radio propagation and system modelling for wireless body-centric networks , 2006 .

[11]  Yang Hao,et al.  On-Body Radio Channel Characterization and System-Level Modeling for Multiband OFDM Ultra-Wideband Body-Centric Wireless Network , 2010, IEEE Transactions on Microwave Theory and Techniques.