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

Takaya Miyazawa, Iwao Sasase

研究成果: Conference contribution

抄録

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.

本文言語English
ホスト出版物のタイトルIEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference
DOI
出版ステータスPublished - 2006
イベントIEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference - San Francisco, CA, United States
継続期間: 2006 11 272006 12 1

出版物シリーズ

名前GLOBECOM - IEEE Global Telecommunications Conference

Other

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

ASJC Scopus subject areas

  • 工学(全般)

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