Title :
First arrival detection for positioning in mobile channels
Author :
E, René Játiva ; Vidal, Josep
Author_Institution :
Dept. of Signal Theor. & Commun., Univ. Politecnica de Catalunya (UPC), Spain
Abstract :
The objective of this paper is to determine the potentialities of an optimal detection scheme within the framework of subscriber location. The use of a generalized likelihood ratio test (GLRT) for detecting the first arriving path from the estimated channel observations in a multipath environment in severe NLOS conditions is described, and a high-resolution estimation algorithm for the time of arrival (TOA) is presented. Finally, the scheme performance is evaluated for different configurations.
Keywords :
channel estimation; maximum likelihood detection; maximum likelihood estimation; mobile radio; multipath channels; optimisation; GLRT; TOA; channel observation estimation; first arrival detection; generalized likelihood ratio test; high-resolution estimation algorithm; mobile channels; multipath environment; optimal detection; performance evaluation; positioning; severe NLOS conditions; subscriber location; time of arrival; Attenuation; Channel estimation; Detectors; Fading; Mobile communication; Multiaccess communication; Multipath channels; Performance evaluation; Testing; Time of arrival estimation;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on
Print_ISBN :
0-7803-7589-0
DOI :
10.1109/PIMRC.2002.1045437
