Equalizers in mobile communications: Tutorial 38
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Equalizers in mobile communications: Tutorial 38Date
2012-06Citation
M. Rupp and J. A. Garcia-Naya, "Equalizers in mobile communications: Tutorial 38," in IEEE Instrumentation & Measurement Magazine, vol. 15, no. 3, pp. 32-42, June 2012, doi: 10.1109/MIM.2012.6204872.
Abstract
[Abstract]: Modern cellular wireless systems would not be possible without high-performance equalizers. Signal impairments introduced by the wireless channel can only be compensated for by using such equalizers. This tutorial serves as an introduction to the challenging design of equalizers. By introducing a general framework based on the Bezout Theorem, we show that the most sophisticated equalizer concepts can be derived, thus allowing finite length solutions to be found. Based on a canonical receiver structure, we also show how equalizers improve the Signal-to-Interference and Noise Rat io (SINR) under different sources of interference such as temporal, spatial, code and multiuser. We furthermore address the challenges of adaptive equalizers as they are currently typical solutions for low-cost devices. Although research on equalizers has been performed for many decades, we finish the tutorial with some open issues that are still keeping the field alive.
Keywords
Wireless communication
Tutorials
Decision feedback equalizers
Wireless sensor networks
Interference
Equalizers
Signal to noise ratio
Tutorials
Decision feedback equalizers
Wireless sensor networks
Interference
Equalizers
Signal to noise ratio
Description
This version of the article has been accepted for publication, after peer review. The Version of Record is available online at: https://doi.org/10.1109/MIM.2012.6204872.
Editor version
Rights
© 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Todos os dereitos reservados. All rights reserved.
ISSN
1094-6969
1941-0123
1941-0123