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A Hybrid Equalizer/Rake Receiver for the Wideband Cdma Downlink in Large Delay Spread Channels : Volume 6, Issue 6 (26/05/2008)

By Buchacher, C.

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Book Id: WPLBN0003986635
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: A Hybrid Equalizer/Rake Receiver for the Wideband Cdma Downlink in Large Delay Spread Channels : Volume 6, Issue 6 (26/05/2008)  
Author: Buchacher, C.
Volume: Vol. 6, Issue 6
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2008
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

APA MLA Chicago

Huemer, M., Paul, S., Zimmermann, M., & Buchacher, C. (2008). A Hybrid Equalizer/Rake Receiver for the Wideband Cdma Downlink in Large Delay Spread Channels : Volume 6, Issue 6 (26/05/2008). Retrieved from http://www.ebooklibrary.org/


Description
Description: Infineon Technologies, Am Campeon 1–12, 85579 Neubiberg, Germany. Signals transmitted over a multi-path propagation channel exhibit Inter-Path Interference (IPI) and fading. The receiver has to employ measures to mitigate these effects or it will incur severe performance degradation. A classic approach in Code Division Multiple Access (CDMA) communications is the Rake receiver. Alternatively, a Linear Minimum Mean Square Error (LMMSE) equalizer can further improve performance. This paper compares performance and computational complexity of these two algorithms. A hybrid solution will be introduced in order to decrease computational complexity while retaining most of the interference suppression capabilities of the LMMSE equalizer.

Summary
A hybrid equalizer/Rake receiver for the Wideband CDMA Downlink in large delay spread channels

Excerpt
3rd~Generation Partnership Project: Technical Specification 25.101: User equipment (UE) radio transmission and reception (FDD), Release~5, 2002.; Burke, J P., Zeidler, J. R., and Rao, B. D.: CINR difference analysis of optimal combining versus maximal ratio combining, IEEE Transactions on Wireless Communications, 4(1), 1–5, Jan., 2005, postprint available at: http://repositories.cdlib.org/postprints/596.; Haykin, S.: Adaptive Filter Theory, Prentice Hall, 3rd~Edition, 1996.

 

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