Title :
Single-Carrier Hybrid ARQ Using Joint Iterative Tx/Rx MMSE-FDE & ISI Cancellation
Author :
Takeda, Kazuki ; Adachi, Fumiyuki
Author_Institution :
Dept. of Electr. & Commun. Eng., Tohoku Univ., Sendai, Japan
Abstract :
Recently, we proposed a joint iterative transmit/receive (Tx/Rx) minimum mean square error (MMSE) frequency-domain equalization (FDE) & inter-symbol interference (ISI) cancellation (ISIC) for single-carrier (SC) block transmissions. In this paper, we extend the previously proposed joint iterative Tx/Rx MMSE-FDE & ISIC to the SC hybrid automatic repeat request (HARQ) packet access to exploit the retransmission of the same packet for improving the throughput. We optimize the set of Tx/Rx MMSE-FDE weights by taking into account the packet retransmission/combining as well as ISIC. We show by computer simulation that the proposed scheme significantly improves the packet error rate (PER) and throughput performances in a severe frequency-selective fading channel.
Keywords :
automatic repeat request; equalisers; fading channels; frequency-domain analysis; interference suppression; intersymbol interference; iterative methods; least mean squares methods; HARQ packet access; ISI cancellation; computer simulation; frequency selective fading channel; hybrid automatic repeat request packet access; intersymbol interference cancellation; iterative Tx-Rx MMSE-FDE; minimum mean square error frequency-domain equalization; packet error rate; single-carrier block transmissions; single-carrier hybrid ARQ; Computer simulation; Frequency domain analysis; Joints; Phase shift keying; Receivers; Throughput; Transmitters;
Conference_Titel :
Vehicular Technology Conference Fall (VTC 2010-Fall), 2010 IEEE 72nd
Conference_Location :
Ottawa, ON
Print_ISBN :
978-1-4244-3573-9
Electronic_ISBN :
1090-3038
DOI :
10.1109/VETECF.2010.5594183
