Title :
Cooperative feature-based TDOA estimation with multipath diversity
Author :
Lu, H. ; Nikookar, H.
Author_Institution :
Delft Univ. of Technol., Delft, Netherlands
Abstract :
In this paper, we investigate the Zero-Padding (ZP) Orthogonal Frequency Division Multiplexing (OFDM) technique to estimate Time Difference of Arrival (TDOA) in positioning applications. Statistical features of OFDM blocks (symbols) are adopted in this paper to achieve a bandwidth efficient transmission and a low computational burden for the TDOA estimation. We propose a multipath diversity scheme based on the virtual cooperative agents, which improves the transmission performance and enhances the block feature detection. We show in this paper that multipath diversity benefits the feature-based TDOA estimation as well.
Keywords :
OFDM modulation; cooperative communication; direction-of-arrival estimation; diversity reception; feature extraction; statistical analysis; time-of-arrival estimation; OFDM blocks; OFDM technique; bandwidth efficient transmission; block feature detection; cooperative feature-based TDOA estimation; multipath diversity scheme; statistical features; time-difference-of-arrival estimation; virtual cooperative agents; zero-padding orthogonal frequency division multiplexing technique; Base stations; Correlation; Estimation; Peak to average power ratio; Receivers; Relays; OFDM; TDOA; block features; cooperative communications; multipath diversity;
Conference_Titel :
Communications and Vehicular Technology in the Benelux (SCVT), 2012 IEEE 19th Symposium on
Conference_Location :
Eindhoven
Print_ISBN :
978-1-4673-2114-3
Electronic_ISBN :
978-1-4673-2113-6
DOI :
10.1109/SCVT.2012.6399391
