A BICM Approach to Type-II Hybrid ARQ

Author

Roberson, Jeremy ; Ding, Zhi

Author_Institution

Dept. of Electr. & Comput. Eng., California Univ., Davis, CA

Volume

4

fYear

2006

fDate

14-19 May 2006

Abstract

We propose a low complexity H-ARQ utilizing bit interleaved coded modulation (BICM). Our aim is to improve the reliability and bandwidth efficiency of wireless communications using high rate H-ARQ enabled by the proposed BICM option. This type-II hybrid ARQ generates incremental redundancy and diversity by varying the bit-to-symbol mapping during retransmission without relying on FEC design. The joint detection at the receiver through maximum likelihood demapping before error correction is simple and effective. Using identical the interleaver and convolutional FEC encoder, this scheme is inexpensive and is largely independent of the outer code selection

Keywords

automatic repeat request; bandwidth allocation; error correction codes; forward error correction; interleaved codes; maximum likelihood estimation; modulation coding; BICM approach; bandwidth efficiency; bit interleaved coded modulation; bit-to-symbol mapping; convolutional FEC encoder; error correction; interleaver encoder; maximum likelihood demapping; type-II hybrid ARQ; wireless communications reliability; Automatic repeat request; Bandwidth; Error correction; Forward error correction; Hybrid power systems; Interleaved codes; Maximum likelihood detection; Modulation coding; Redundancy; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech and Signal Processing, 2006. ICASSP 2006 Proceedings. 2006 IEEE International Conference on

Conference_Location

Toulouse

ISSN

1520-6149

Print_ISBN

1-4244-0469-X

Type

conf

DOI

10.1109/ICASSP.2006.1660958

Filename

1660958