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|Title:||Performance of DS-UWB multiple-access systems with diversity reception in dense multipath environments|
Direct sequence (DS)
|Source:||Tan, S.-S., Nallanathan, A., Kannan, B. (2006-07). Performance of DS-UWB multiple-access systems with diversity reception in dense multipath environments. IEEE Transactions on Vehicular Technology 55 (4) : 1269-1280. ScholarBank@NUS Repository. https://doi.org/10.1109/TVT.2006.877694|
|Abstract:||Ultrawideband (UWB) technology is characterized by transmitting extremely short duration radio impulses. To improve its multiple-access capability, the UWB technology can be combined with traditional spread-spectrum techniques. This paper demonstrates the influence of spatial and temporal diversities on the performance of direct-sequence (DS) UWB multiple-access systems in dense multipath environments. Numerical results show that the bit error rate performance of the DS-UWB system can be improved significantly by increasing the number of antenna array elements and/or by adding more multipaths coherently at the receiver. Furthermore, this paper studies the impact of array geometry on system performance and shows that a rectangular array can capture more energy and thus can offer better performance than a uniform linear array. © 2006 IEEE.|
|Source Title:||IEEE Transactions on Vehicular Technology|
|Appears in Collections:||Staff Publications|
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