Title :
Indoor radio channel characterization and modeling for a 5.2-GHz bodyworn receiver
Author :
Ziri-Castro, K.I. ; Scanlon, W.G. ; Evans, N.E.
Author_Institution :
Sch. of Electr. & Electron. Eng., Queen´´s Univ., Belfast, UK
Abstract :
Wireless local area network applications may include the use of bodyworn or handportable terminals. For the first time, this paper compares measurements and simulations of a narrowband 5.2-GHz radio channel incorporating a fixed transmitter and a mobile bodyworn receiver. Two indoor environments were considered, an 18-m long corridor and a 42-m/sup 2/ office. The modeling technique was a site-specific ray-tracing simulator incorporating the radiation pattern of the bodyworn receiver. In the corridor, the measured body-shadowing effect was 5.4 dB, while it was 15.7 dB in the office. First- and second-order small-scale fading statistics for the measured and simulated results are presented and compared with theoretical Rayleigh and lognormal distributions. The root mean square error in the cumulative distributions for the simulated results was less than 0.74% for line-of-sight conditions and less than 1.4% for nonline-of-sight conditions.
Keywords :
fading channels; indoor radio; microwave propagation; microwave receivers; mobile radio; ray tracing; wireless LAN; 15.7 dB; 18 m; 5.2 GHz; 5.4 dB; FDTD; Rayleigh distributions; body-shadowing effect; bodyworn antennas; fixed transmitter; handportable terminals; indoor radio channel characterization; line-of-sight conditions; lognormal distributions; microwave bodyworn receiver; mobile bodyworn receiver; narrowband radio channel; nonline-of-sight conditions; radio propagation; receiver radiation pattern; site-specific ray-tracing simulation; small-scale fading statistics; wireless local area networks;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2004.836119