Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system

N. Oda, H. Harada, Iwao Sasase, Y. Hase

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper proposes adaptive multi-code CDM transmission scheme for multipath fading environment to achieve high code utilization efficiency. In proposed system, we apply a new parallel transmission scheme using cyclic codes generated from a modified M-sequence which inserted the guard chips before and after a M-sequence. Moreover with radio channel estimation results obtained from downlink by this multi-code CDM transmission scheme, the number of guard chips is varied adaptively on the uplink. In micro cellular system, the performances of proposal system are evaluated by computer simulation. As a result, it is essential for high quality broadband mobile communication to apply adaptive transmission scheme to new multi-code CDM transmission system.

Original languageEnglish
Title of host publicationIEEE International Conference on Personal Wireless Communications
PublisherIEEE
Pages338-343
Number of pages6
Publication statusPublished - 1997
EventProceedings of the 1997 IEEE International Conference on Personal Wireless Communications - Mumbai, India
Duration: 1997 Dec 171997 Dec 19

Other

OtherProceedings of the 1997 IEEE International Conference on Personal Wireless Communications
CityMumbai, India
Period97/12/1797/12/19

Fingerprint

Code division multiple access
Multipath fading
Channel estimation
Communication
Computer simulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Oda, N., Harada, H., Sasase, I., & Hase, Y. (1997). Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system. In IEEE International Conference on Personal Wireless Communications (pp. 338-343). IEEE.

Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system. / Oda, N.; Harada, H.; Sasase, Iwao; Hase, Y.

IEEE International Conference on Personal Wireless Communications. IEEE, 1997. p. 338-343.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oda, N, Harada, H, Sasase, I & Hase, Y 1997, Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system. in IEEE International Conference on Personal Wireless Communications. IEEE, pp. 338-343, Proceedings of the 1997 IEEE International Conference on Personal Wireless Communications, Mumbai, India, 97/12/17.
Oda N, Harada H, Sasase I, Hase Y. Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system. In IEEE International Conference on Personal Wireless Communications. IEEE. 1997. p. 338-343
Oda, N. ; Harada, H. ; Sasase, Iwao ; Hase, Y. / Performance analysis of a multi-code CDM transmission scheme based on cyclic extended spread code as a extension of 3rd generation CDMA system. IEEE International Conference on Personal Wireless Communications. IEEE, 1997. pp. 338-343
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