Multilevel trellis coded 16QAM with partially overlapped signal sets

Author

Hong, Sung-lwon ; You, Young-Hwan ; Kim, Jong-Heon ; Kang, Chang-Eon

Author_Institution

Dept. of Electron. Eng., Yonsei Univ., Seoul, South Korea

Volume

3

fYear

1996

fDate

15-18 Oct 1996

Firstpage

1083

Abstract

Multilevel trellis coded 16QAM with partially overlapped signal sets is introduced. It is shown with this scheme that one can achieve an asymptotic coding gain of 4.26 dB over QPSK with a bandwidth efficiency of 2.5 bit/sec/Hz. This result is due to the fact that multilevel trellis coding technique is more appropriate for utilizing the increased Euclidean distance of partially overlapped signal sets than its counterpart, TCM scheme. We explain this coding scheme in terms of performance, complexity, and set partitioning of partially overlapped 16QAM signals, and compare it with trellis coded 8PSK, 16QAM

Keywords

quadrature amplitude modulation; trellis coded modulation; Euclidean distance; QPSK; asymptotic coding gain; bandwidth efficiency; complexity; multilevel trellis coded 16QAM; multilevel trellis coding; partially overlapped signal sets; performance; set partitioning; trellis coded 8PSK; AWGN; Constellation diagram; Convolutional codes; Decoding; Euclidean distance; Gain; Interference; Modulation coding; Quadrature phase shift keying; Signal processing;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 1996. PIMRC'96., Seventh IEEE International Symposium on

Conference_Location

Taipei

Print_ISBN

0-7803-3692-5

Type

conf

DOI

10.1109/PIMRC.1996.568449

Filename

568449