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| Combined Chip Equalization Interference Weighted Cancellation Receiver for HSDPA |
| Wu Qi-hui①②; Zhao Chun-ming① |
| ①Dept. of Radio Engineering, Southeast University,Nanjing 210096, China;②Institute of Communications Engineering of PLA University of Science and Technology, Nanjing 210007, China |
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Abstract WCDMA needs to extend its downlink data rate to lOMbps or more because of the growing demand of the Internet and multimedia services. High Speed Downlink Packet Access (HSDPA) has been proposed to offer such high data rates in WCDMA technology within current 5MHz bandwidth. In order to enhance the performance of HSDPA, a novel receiver combined LMMSE chip equalizer and Interference Weighted Canceller (LMMSE-IWC) is presented. Theoretical analysis and computer simulations show that the performance of LMMSE-IWC is superior to conventional Rake, LMMSE chip equalizer.
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Received: 21 May 2004
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2005, Vol. 27 
