Hybrid ARQ Scheme with Intercarrier Interference Mitigation for OFDM Systems

Author

Juang, Rong-Terng ; Lin, Kun-Yi ; Ting, Pangan ; Lin, Hsin-Piao ; Lin, Ding-Bing

Author_Institution

Ind. Technol. Res. Inst., Hsinchu

fYear

2008

fDate

12-14 Oct. 2008

Firstpage

365

Lastpage

366

Abstract

Based on the principle of spread spectrum systems, this paper presents a hybrid automatic-repeat-request (HARQ) scheme with the mitigation of intercarrier interference (ICI) by orthogonally encoding transmitted signals on subcarriers for orthogonal frequency division multiplexing (OFDM) systems. The proposed scheme not only increases the signal-to-noise ratio (SNR) but also reduces the ICI. Simulations demonstrates that it outperforms the conventional Chase Combining HARQ in terms of uncoded bit error rate (BER) with nearly no complexity increase.

Keywords

OFDM modulation; automatic repeat request; error statistics; intercarrier interference; interference suppression; modulation coding; spread spectrum communication; BER; OFDM system; automatic-repeat-request; encoding; hybrid ARQ scheme; intercarrier interference mitigation; orthogonal frequency division multiplexing; spread spectrum system; uncoded bit error rate; Automatic repeat request; Bit error rate; Computer networks; Costs; Decoding; Interference; Mobile computing; Negative feedback; OFDM; Signal to noise ratio; HARQ; ICI Cancellation; OFDM;

fLanguage

English

Publisher

ieee

Conference_Titel

Networking and Communications, 2008. WIMOB '08. IEEE International Conference on Wireless and Mobile Computing,

Conference_Location

Avignon

Print_ISBN

978-0-7695-3393-3

Electronic_ISBN

978-0-7695-3393-3

Type

conf

DOI

10.1109/WiMob.2008.44

Filename

4654265