DocumentCode :
469385
Title :
Synchronization-Free Data Detection for UWB Communications
Author :
Lottici, Vincenzo ; Zhi Tian ; Leus, Geert
Author_Institution :
Univ. of Pisa, Pisa
fYear :
2007
fDate :
15-15 Nov. 2007
Firstpage :
1
Lastpage :
5
Abstract :
The dense multipath scattering typical of ultra-wideband (UWB) wireless channels provides very large multipath diversity, but from the other side makes the receiver design a demanding task as far as channel estimation and timing recovery are concerned. The contribution of this paper is to derive a novel receiver structure based on the multiple symbols differential detection (MSDD) framework with particular emphasis on bypassing costly channel estimation and relaxing the stringent requirements imposed on timing recovery. The computational complexity of the proposed detection scheme, that becomes quite impractical as the data block size increases, is then circumvented by resorting to an efficient implementation based on the sphere decoding (SD) algorithm. Simulation results carried out in typical multipath propagation scenarios verify that appealing detection performance is achieved at affordable receiver complexity.
Keywords :
channel estimation; computational complexity; decoding; electromagnetic wave scattering; multipath channels; synchronisation; ultra wideband communication; wireless channels; UWB communication; channel estimation; computational complexity; dense multipath scattering; multiple symbols differential detection; receiver structure; sphere decoding algorithm; synchronization-free data detection; timing recovery; ultra-wideband wireless channel; Channel estimation; Computational complexity; Data engineering; Decoding; Energy capture; Intersymbol interference; Multipath channels; RAKE receivers; Timing; Ultra wideband communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Communications and Vehicular Technology in the Benelux, 2007 14th IEEE Symposium on
Conference_Location :
Delft
Print_ISBN :
978-1-4244-1369-0
Electronic_ISBN :
978-1-4244-1370-6
Type :
conf
DOI :
10.1109/SCVT.2007.4436232
Filename :
4436232
Link To Document :
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