Abstract
Single-carrier (SC) wireless communication systems generally require knowledge of the channel and the variance of the additive noise process to equalize a received message. Obtaining this information can be straightforward in stationary environments; however, these parameters constantly change in mobile environments. In this paper, we propose novel algorithms for estimating and tracking the channel and noise variance in SC systems by exploiting a unique word (UW) extension. These UW-based algorithms benefit from low complexity and lend themselves to SC systems employing frequency-domain equalization at the receiver
Translated title of the contribution | Channel and noise variance estimation and tracking algorithms for unique-word based single-carrier systems |
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Original language | English |
Article number | Issue 6 |
Pages (from-to) | 1488 - 1496 |
Number of pages | 9 |
Journal | IEEE Transactions on Wireless Communications |
Volume | 5 |
Issue number | 6 |
DOIs | |
Publication status | Published - Jun 2006 |
Bibliographical note
Publisher: Institute of Electrical and Electronics Engineers (IEEE)Rose publication type: Journal article
Sponsorship: The authors would like to thank the anonymous reviewers for their insightful comments. The authors would also like
to acknowledge their colleagues at the University of Bristol and at Toshiba Research Europe Ltd., Telecommunications Research Laboratory for participating in many useful discussions regarding this work
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Keywords
- frequency-domain equalization (FDE)
- unique word (UW)
- channel estimation and tracking