Optical Access Architecture Designs Based on WDM-Direct toward New Generation Networks
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概要
- 論文の詳細を見る
We present our proposed designs of optical access architecture based on WDM technology toward new-generation networks for two types of topologies: Single-star (SS) and passive-double-star (PDS). We adopt the concept of WDM-direct which links multiple wavelengths to each optical network unit (ONU). Our proposed architecture based on WDM-direct can achieve more than 10Gbps access per ONU. Moreover, our architecture can provide not only conventional bandwidth-shared services but also bandwidth-guaranteed services requiring more than 10Gbps bandwidth by establishing end-to-end lightpaths directly to each ONU, and thus meet high requirements of QoS in new-generation networks. Firstly, we show our proposed designs of SS-type architecture, and experimentally demonstrate the system. We confirm that the optical line terminal (OLT) successfully switches between packet/lightpath data transmissions for each ONU. In addition, we measure and evaluate optical power loss in upstream/downstream transmissions between the OLT and ONUs. Secondly, we show our proposed designs of PDS-type architecture, and theoretically analyze and evaluate the bit-rate capacity of the system.
- （社）電子情報通信学会の論文
- 2010-02-01
著者
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MIYAZAWA Takaya
National Institute of Information and Communications Technology (NICT)
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HARAI Hiroaki
National Institute of Information and Communications Technology (NICT)
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Harai Hiroaki
National Inst. Of Information And Communications Technol.
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Miyazawa Takaya
National Inst. Of Information And Communications Technol. (nict) Koganei‐shi Jpn
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