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Effects of spreading bandwidth on the performance of UWB RAKE

Cassioli, D; Win, M Z; Vatalaro, F and Molisch, Andreas LU (2003) IEEE International Conference on Communications, 2003. ICC '03. In IEEE International Conference on Communications, 2003. ICC '03. p.3545-3549
Abstract
We consider an ultra-wide bandwidth system using reduced-complexity RAKE receivers, which are based on either selective (called SRake) or partial (called PRake) combining of a subset of the available resolved multipath components. We investigate the influence of the spreading bandwidth on the system performance using the two considered types of RAKE receivers. We show that, for a fix number of RAKE fingers and a fix transmit power, there is an optimum bandwidth. This optimal bandwidth increases with the number of RAKE fingers, and is higher for an SRake than for a Prake. We also investigate the effects of the fading statistics (Rayleigh or Nakagami) on the optimal spreading bandwidth. We find that the optimal spreading bandwidth is... (More)
We consider an ultra-wide bandwidth system using reduced-complexity RAKE receivers, which are based on either selective (called SRake) or partial (called PRake) combining of a subset of the available resolved multipath components. We investigate the influence of the spreading bandwidth on the system performance using the two considered types of RAKE receivers. We show that, for a fix number of RAKE fingers and a fix transmit power, there is an optimum bandwidth. This optimal bandwidth increases with the number of RAKE fingers, and is higher for an SRake than for a Prake. We also investigate the effects of the fading statistics (Rayleigh or Nakagami) on the optimal spreading bandwidth. We find that the optimal spreading bandwidth is approximately the same for both types of fading, but that the actual performance of an SRake can be better or worse in Rayleigh fading (compared to Nakagami), depending on the spreading bandwidth and the number of fingers. (Less)
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
in
IEEE International Conference on Communications, 2003. ICC '03.
pages
3545 - 3549
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
conference name
IEEE International Conference on Communications, 2003. ICC '03.
external identifiers
  • Scopus:0037634432
ISBN
0-7803-7802-4
DOI
10.1109/ICC.2003.1204113
language
English
LU publication?
yes
id
fbdb86ec-c694-4681-9062-d3bc4c3ccae7 (old id 600545)
date added to LUP
2007-11-29 11:49:20
date last changed
2016-10-13 04:44:10
@misc{fbdb86ec-c694-4681-9062-d3bc4c3ccae7,
  abstract     = {We consider an ultra-wide bandwidth system using reduced-complexity RAKE receivers, which are based on either selective (called SRake) or partial (called PRake) combining of a subset of the available resolved multipath components. We investigate the influence of the spreading bandwidth on the system performance using the two considered types of RAKE receivers. We show that, for a fix number of RAKE fingers and a fix transmit power, there is an optimum bandwidth. This optimal bandwidth increases with the number of RAKE fingers, and is higher for an SRake than for a Prake. We also investigate the effects of the fading statistics (Rayleigh or Nakagami) on the optimal spreading bandwidth. We find that the optimal spreading bandwidth is approximately the same for both types of fading, but that the actual performance of an SRake can be better or worse in Rayleigh fading (compared to Nakagami), depending on the spreading bandwidth and the number of fingers.},
  author       = {Cassioli, D and Win, M Z and Vatalaro, F and Molisch, Andreas},
  isbn         = {0-7803-7802-4},
  language     = {eng},
  pages        = {3545--3549},
  publisher    = {ARRAY(0xb89bae8)},
  series       = {IEEE International Conference on Communications, 2003. ICC '03.},
  title        = {Effects of spreading bandwidth on the performance of UWB RAKE},
  url          = {http://dx.doi.org/10.1109/ICC.2003.1204113},
  year         = {2003},
}