article · 2007
Adaptive Channel Equalizer for WCDMA Downlink
Kari Hooli, Matti Latva-aho, Markku Juntti
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Abstract
The main 3rd generation cellular communications standard is based on wideband code-division multiple-access (WCDMA). For WCDMA downlink, receivers based on channel equalization at chip level have been proposed to ensure adequate performance even with a high number of active users. These receivers equalize the channel prior to the despreading, thus restoring the orthogonality of users and resulting multiple access interference (MAI) suppression. In this paper, ideas of generalized side-lobe canceler (GSC) and minimum output energy (MOE) are applied to the adaptation of downlink channel equalizer. The performance of the adaptation scheme is compared to the performance of conventional Rake receiver as well as to the performance of equalizer adapted with Griffiths' algorithm. Numerical results show significant performance gain over Rake receiver and some performance gain over the Griffiths ' algorithm in a fading channel.
Cite this paper
Hooli, K., Latva-aho, M., & Juntti, M. (2007). Adaptive Channel Equalizer for WCDMA Downlink.
Hooli, Kari, et al. “Adaptive Channel Equalizer for WCDMA Downlink.” 2007.
Hooli, Kari, Matti Latva-aho, and Markku Juntti. 2007. “Adaptive Channel Equalizer for WCDMA Downlink.”
Hooli, K., Latva-aho, M. and Juntti, M. (2007) ‘Adaptive Channel Equalizer for WCDMA Downlink’.
@article{hooli2007adaptive,
title = {{Adaptive Channel Equalizer for WCDMA Downlink}},
author = {Hooli, Kari and Latva-aho, Matti and Juntti, Markku},
year = {2007}
}Made from the index record. Check names, capitalisation and page numbers against the paper. Need another style? AI for Research has over 10,000.