[PDF] Top 20 An iterative frequency-domain decision feedback receiver for CDMA systems

... In this section, we present a set of performance results con- cerning the proposed receiver structure. We consider the down- link transmission within a DS-CDMA system with spreading factor K = 16 and M = 64 ... See full document

... reason, an MMSE (Minimum Mean-Squared Error) FDE equalizer is usually preferable [2], ...However, an MMSE FDE does not perform an ideal channel ...MC-CDMA systems we are not able to ... See full document

... is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...with ... See full document

... MC-CDMA systems, with frequency-domain spreading, and DS- CDMA systems, by considering the use of IB- DFE techniques in space diversity receivers, as an alternative to ... See full document

... with Frequency-Domain Equalization). We propose an iterative frequency-domain receiver merging IB-DFE (Iterative Block Decision-Feedback Equalizer) ... See full document

... broadband systems, since the channel becomes severely ...with Frequency- Domain Equalization) is recognized as a promising technique for the uplink transmission since the ... See full document

... wireless systems since they combine the flexibility and ca- pacity of CDMA schemes with the possibility of efficient frequency-domain receiver implementations, making them ap- propriate ... See full document

... wireless systems with BS cooperation architectures with the employment of SC-FDE modulation ...using iterative frequency-domain receivers based on the iterative block decision ... See full document

... codes, an FDE (Frequency-Domain Equalizer) is required before the despreading operation ...under an MMSE criterion (Minimum Mean-Squared Error) ...the iterative receiver proposed ... See full document

... MC-CDMA systems (MultiCarrier - Coded Division Multiple ...since an efficient, low-cost power amplification is desirable at the MT (Mobile ...a frequency-domain filtering so as to ... See full document

... the receiver for SC-FDE schemes is a linear FDE, however, it is well-known that nonlinear equalizers outperform linear ones [9] [20] ...the Decision Feedback Equalizer (DFE), is a popular choice ... See full document

... This receiver is a direct extension of the conventional minimum mean squared error (MMSE) detector and has been studied for use in 3GPP LTE systems ...and feedback filters are implemented in the ... See full document

... Block Decision Feedback Equalisation) ap- proach proposed for CP-assisted SC schemes [8], with both the feedforward and the feedback parts implemented in the frequency domain (a similar ... See full document

... optimum receiver with FTN signaling was too ...with Frequency-Domain Equalization (FDE) such as Orthogonal Frequency Division Multiplexing (OFDM) [2] and Single-Carrier with FDE (SC-FDE) [7] ... See full document

... with frequency-domain equalization (FDE) combined with iterative (turbo) FDE schemes has excellent performance in severely time- dispersive channels, making it a promising candidate for future ... See full document

... at receiver and its accuracy affects the overall performance of system and it is essential to improve the channel estimation for more reliable ...in frequency selective fading ...made iterative to ... See full document

... block decision feedback equalization (IB-DFE) approach was proposed for CP-assisted single carrier (SC) schemes [20], which can be regarded as a DFE where both the feedforward and the feedback parts ... See full document

... communication systems in order to deal with the limited spectrum resources, dispersion of the channel and interference between ...wireless systems employ either orthogonal frequency division ... See full document

... DS-CDMA systems with iterative estimation and cancelation of nonlinear distortion ...linear frequency-domain equalizer (FDE) was employed before the iterative estimation and ... See full document

... of an interference channel for a given user is one half the rate of its interference-free capacity in the high transmit power regime, for any number of users ...[18]. An explicit formulation of the ... See full document