TTFR-based double time-encoded optical CDMA systems transmitting pulse-sequence with multiple power-levels

Takaya Miyazawa, Iwao Sasase

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

Abstract

In this paper, we propose a mitigation technique of multiple access interference(MAI) for tunable-transmitter / fixed-receiver(TTFR)-based double time-encoded optical code-division multiple-access(CDMA) systems. The proposed system assigns distinct power-levels to each weight of second code-sequence and transmits the pulse-sequence with multiple power-levels. Double optical hard-limiters(DOHLs) with high-level thresholds can effectively eliminate low-power MAI as long as the intensity of incoming optical pulse is lower than the threshold value. By means of theoretical analysis, we show that the proposed system can achieve lower bit error probabilities than the conventional system transmitting the pulse-sequence with only one power-level.

Original languageEnglish
Title of host publicationIEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference
DOIs
Publication statusPublished - 2006 Dec 1
EventIEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference - San Francisco, CA, United States
Duration: 2006 Nov 272006 Dec 1

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Other

OtherIEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference
CountryUnited States
CitySan Francisco, CA
Period06/11/2706/12/1

ASJC Scopus subject areas

  • Engineering(all)

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