On the Optimal Chip Rate of Adaptive Power and Rate DS/CDMA Communication Systems in Nakagami Fading Channels
Summary :
We investigate the optimal chip rate of power or rate adapted direct-sequence code division multiple access (DS/CDMA) communication systems in Nakagami fading channels. We find that the optimal chip rate that maximizes the spectral efficiency depends upon both the channel parameters, such as multipath intensity profile (MIP) and line-of-sight (LOS) component, and the adaptation scheme itself. With the rate adaptation, the optimal chip rate is less than 1/Tm irrespective of the channel parameters, where Tm is multipath delay spread. This indicates that with the rate adaptation, correlation receiver achieves higher spectral efficiency than RAKE receiver. With the power adaptation, however, the optimal chip rate and the corresponding number of tabs in RAKE receiver are sensitive to MIP and LOS component.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E88-B No.9 pp.3798-3801
- Publication Date
- 2005/09/01
- Publicized
- Online ISSN
- DOI
- 10.1093/ietcom/e88-b.9.3798
- Type of Manuscript
- LETTER
- Category
- Wireless Communication Technologies
Authors
Keyword
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Ye Hoon LEE, Dong Ho KIM, Hong Jik KIM, "On the Optimal Chip Rate of Adaptive Power and Rate DS/CDMA Communication Systems in Nakagami Fading Channels" in IEICE TRANSACTIONS on Communications,
vol. E88-B, no. 9, pp. 3798-3801, September 2005, doi: 10.1093/ietcom/e88-b.9.3798.
Abstract: We investigate the optimal chip rate of power or rate adapted direct-sequence code division multiple access (DS/CDMA) communication systems in Nakagami fading channels. We find that the optimal chip rate that maximizes the spectral efficiency depends upon both the channel parameters, such as multipath intensity profile (MIP) and line-of-sight (LOS) component, and the adaptation scheme itself. With the rate adaptation, the optimal chip rate is less than 1/Tm irrespective of the channel parameters, where Tm is multipath delay spread. This indicates that with the rate adaptation, correlation receiver achieves higher spectral efficiency than RAKE receiver. With the power adaptation, however, the optimal chip rate and the corresponding number of tabs in RAKE receiver are sensitive to MIP and LOS component.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e88-b.9.3798/_p
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@ARTICLE{e88-b_9_3798,
author={Ye Hoon LEE, Dong Ho KIM, Hong Jik KIM, },
journal={IEICE TRANSACTIONS on Communications},
title={On the Optimal Chip Rate of Adaptive Power and Rate DS/CDMA Communication Systems in Nakagami Fading Channels},
year={2005},
volume={E88-B},
number={9},
pages={3798-3801},
abstract={We investigate the optimal chip rate of power or rate adapted direct-sequence code division multiple access (DS/CDMA) communication systems in Nakagami fading channels. We find that the optimal chip rate that maximizes the spectral efficiency depends upon both the channel parameters, such as multipath intensity profile (MIP) and line-of-sight (LOS) component, and the adaptation scheme itself. With the rate adaptation, the optimal chip rate is less than 1/Tm irrespective of the channel parameters, where Tm is multipath delay spread. This indicates that with the rate adaptation, correlation receiver achieves higher spectral efficiency than RAKE receiver. With the power adaptation, however, the optimal chip rate and the corresponding number of tabs in RAKE receiver are sensitive to MIP and LOS component.},
keywords={},
doi={10.1093/ietcom/e88-b.9.3798},
ISSN={},
month={September},}
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TY - JOUR
TI - On the Optimal Chip Rate of Adaptive Power and Rate DS/CDMA Communication Systems in Nakagami Fading Channels
T2 - IEICE TRANSACTIONS on Communications
SP - 3798
EP - 3801
AU - Ye Hoon LEE
AU - Dong Ho KIM
AU - Hong Jik KIM
PY - 2005
DO - 10.1093/ietcom/e88-b.9.3798
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E88-B
IS - 9
JA - IEICE TRANSACTIONS on Communications
Y1 - September 2005
AB - We investigate the optimal chip rate of power or rate adapted direct-sequence code division multiple access (DS/CDMA) communication systems in Nakagami fading channels. We find that the optimal chip rate that maximizes the spectral efficiency depends upon both the channel parameters, such as multipath intensity profile (MIP) and line-of-sight (LOS) component, and the adaptation scheme itself. With the rate adaptation, the optimal chip rate is less than 1/Tm irrespective of the channel parameters, where Tm is multipath delay spread. This indicates that with the rate adaptation, correlation receiver achieves higher spectral efficiency than RAKE receiver. With the power adaptation, however, the optimal chip rate and the corresponding number of tabs in RAKE receiver are sensitive to MIP and LOS component.
ER -
English
