Title :
Wireless Channel Model of UWB for Underground Tunnels in Coal Mine
Author :
Sun, Yanjing ; Peng, Li ; Liu, Xue
Author_Institution :
Sch. of Inf. & Electr. Eng., China Univ. of Min. & Technol., Xuzhou, China
Abstract :
In this paper, the radio propagation of ultra wide band (UWB) in coal mine tunnels is analyzed according to channel path loss. The transmitted pulse and modulated method of UWB system are selected in allusion to its propagation characteristic. We present the method of improving time-variant finite impulse responding filter model to a trapped delay line channel model with specific center frequency and multipath resolution. The Improvement for a typical UWB pulse has been done, and the statistic characteristics of the modified channel model have been analyzed. The simulation results show that the multipath delay characteristics of the improved channel model well match the measured results of coal mine tunnels.
Keywords :
coal; delay lines; filtering theory; radiowave propagation; tunnels; ultra wideband communication; underground communication; wireless channels; UWB pulse; UWB system; center frequency; channel path loss; coal mine tunnels; modified channel model; multipath delay characteristics; multipath resolution; radio propagation; time-variant finite impulse responding filter model; trapped delay line channel model; ultrawideband system; underground tunnels; wireless channel model; Algorithm design and analysis; Attenuation; Electromagnetic modeling; Electromagnetic propagation; Frequency; Polarization; Rough surfaces; Surface roughness; Ultra wideband communication; Wireless communication;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2009. WiCom '09. 5th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-3692-7
Electronic_ISBN :
978-1-4244-3693-4
DOI :
10.1109/WICOM.2009.5302877
