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Constrained MMSE receivers for CDMA systems in frequency-selective fading channels
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- Authors
- Seung-Chul Hong, Jinho Choi, Young-Ho Jung, Seong Rag Kim, Yong H. Lee
- Issue Date
- 2004-09
- Citation
- IEEE Transactions on Wireless Communications, v.3, no.5, pp.1393-1398
- ISSN
- 1536-1276
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- A constrained minimum mean square error (CMMSE)-RAKE receiver for multipath fading channels is developed by extending the CMMSE receiver for flat fading channels. Based on the observation that interpath interference causes a bias of the channel estimator in [8], a receiver that can remove such a bias is proposed, plus a closed-form expression of the bit-error rate of the receiver is derived. Computer simulation is used to demonstrate that the proposed receiver can outperform existing RAKE receivers.
- KSP Keywords
- Bit-error-rate(BER), CDMA systems, Channel Estimator, Closed-form expressions, Computer simulation(MC and MD), Flat fading channels, Frequency Selective Fading Channels, MMSE receivers, Minimum Mean Square Error(MMSE), Multipath fading channel, RAKE receiver