A study on time domain spreading for OFCDM

Author

MATSUMOTO, Atsushi ; Miyoshi, Kenichi ; Uesugi, Mitsuru ; Kato, Osamu

Author_Institution

Matsuthita Commun. Kanazawa R&D Labs. Co. Ltd., Ishikawa, Japan

Volume

2

fYear

2002

fDate

27-30 Oct. 2002

Firstpage

725

Abstract

The paper presents computer simulation results on spreading in both the time and frequency domain for OFDM-CDMA. The results show that the most suitable layout on which spreading chips are mapped is different for some conditions (e.g. number of multiplexing codes, propagation condition, etc). For example, in the case of employing a number of multiplexing codes, spreading only in the time domain outperforms other layouts. On the other hand, in case of half multiplexing codes, spreading in both the time and frequency domain outperforms the others.

Keywords

OFDM modulation; cellular radio; code division multiple access; code division multiplexing; spread spectrum communication; time-domain analysis; CDMA; OFDM; frequency domain; multiplexing codes; next generation cellular systems; propagation condition; time domain spreading; Computer simulation; Fading; Frequency domain analysis; Interference constraints; Laboratories; Modulation coding; Multiaccess communication; OFDM modulation; Research and development; Telecommunication traffic;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Personal Multimedia Communications, 2002. The 5th International Symposium on

ISSN

1347-6890

Print_ISBN

0-7803-7442-8

Type

conf

DOI

10.1109/WPMC.2002.1088270

Filename

1088270