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Channel Impulse Response Tap Prediction for Time-Varying Wireless Channels

Channel Impulse Response Tap Prediction for Time-Varying Wireless Channels
Channel Impulse Response Tap Prediction for Time-Varying Wireless Channels
Abstract—In this paper, we perform a comparative study of both the achievable performance and the associated computational complexity of two major time-domain prediction strategies proposed for employment in wireless mobile communication systems. Specifically, we investigate the intrinsic design tradeoffs of the so-called stationary robust predictor and the adaptive Recursive-Least-Squares (RLS) predictor. We demonstrate that the RLS predictor outperforms its robust counterpart at a cost of slightly higher computational complexity, and hence, the RLS predictor constitutes a better alternative for employment in wireless transceivers. Index Terms—Channel prediction of time-varying channels, minimum mean square error (MMSE) channel prediction, orthogonal-frequencydivision-multiplexing (OFDM), recursive least squares.
0018-9545
2767-2769
Akhtman, Jos
6f612df7-9c17-4351-8340-5171fd174330
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Akhtman, Jos
6f612df7-9c17-4351-8340-5171fd174330
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Akhtman, Jos and Hanzo, Lajos (2007) Channel Impulse Response Tap Prediction for Time-Varying Wireless Channels. IEEE Transactions on Vehicular Technology, 56 (5), 2767-2769.

Record type: Article

Abstract

Abstract—In this paper, we perform a comparative study of both the achievable performance and the associated computational complexity of two major time-domain prediction strategies proposed for employment in wireless mobile communication systems. Specifically, we investigate the intrinsic design tradeoffs of the so-called stationary robust predictor and the adaptive Recursive-Least-Squares (RLS) predictor. We demonstrate that the RLS predictor outperforms its robust counterpart at a cost of slightly higher computational complexity, and hence, the RLS predictor constitutes a better alternative for employment in wireless transceivers. Index Terms—Channel prediction of time-varying channels, minimum mean square error (MMSE) channel prediction, orthogonal-frequencydivision-multiplexing (OFDM), recursive least squares.

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Published date: September 2007
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 264390
URI: http://eprints.soton.ac.uk/id/eprint/264390
ISSN: 0018-9545
PURE UUID: aca83e08-6331-4603-b95e-1f6e90e19644
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 06 Aug 2007
Last modified: 10 Dec 2019 01:58

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