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Impact of MMSE equalization on adaptive modulation and coding in HSDPA

Touheed, H, Quddus, AU and Tafazolli, R (2009) Impact of MMSE equalization on adaptive modulation and coding in HSDPA

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High Speed Downlink Packet Access (HSDPA) is the front-line technology within the 3rd Generation Partnership Project (3GPP) and represents mid term evolution of the standard. This paper presents simple equalizer structures based on Minimum Mean Square Error criterion that are suitable for Adaptive Modulation and Coding (AMC), which is one of the key features of HSDPA. Performance of equalizer structures in AMC has been shown to provide significant gain over Rake receiver, in terms of HSDPA throughput, by enabling the use of higher CQI (Channel Quality Indicator) indices whilst showing stability against changing input signal statistics caused by AMC. LMMSE equalizer has been found to roughly double the HSDPA throughput in a variety of radio channels with relatively small increase in complexity. © 2009 IEEE.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions : Surrey research (other units)
Authors :
Touheed, H
Date : 1 December 2009
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:58
Last Modified : 23 Jan 2020 17:27

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