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Joint signal parameter estimation of wideband frequency hopped transmissions using 2D antenna arrays

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4 Author(s)
Liu, Xiangqian ; Dept. of Elec. & Comp. Eng., Louisville Univ., KY, USA ; Zang Li ; Sidiropoulos, N.D. ; Swami, A.

The paper proposes a blind method for joint estimation of hop timing, hop frequency, and 2D direction-of-arrival (azimuth and elevation angles) of multiple wideband frequency hopped transmissions. Based on the principle of dynamic programming and trilinear decomposition of data collected from a multiple invariance sensor array, the method does not require knowledge of the actual hop patterns, and it remains operational even with multiple (unknown) hop rates, frequency offsets, and asynchronism. Simulation results illustrating the performance of the method are also presented.

Published in:

Signal Processing Advances in Wireless Communications, 2003. SPAWC 2003. 4th IEEE Workshop on

Date of Conference:

15-18 June 2003