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首页> 外文期刊>Optical Engineering >The demonstration of 10 Gbit/s time division multiplexing and 2.5 Gchip/s quasi-synchronous electrical code division multiplexing access passive optical network prototype system
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The demonstration of 10 Gbit/s time division multiplexing and 2.5 Gchip/s quasi-synchronous electrical code division multiplexing access passive optical network prototype system

机译：The demonstration of 10 Gbit/s time division multiplexing and 2.5 Gchip/s quasi-synchronous electrical code division multiplexing access passive optical network prototype system

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摘要

The authors propose a novel architecture of passive optical network (PON), which consists of time division multiplexing (TDM) based downstream (10 Gbit/s) and quasi-synchronization (Q-S) electrical code division multiplexing access (ECDMA) based upstream (2.5 Gchip/s), and realize the prototype of this TDM-ECDMA PON. The high speed (2.5 Gchip/s) all digital en/decoding of upstream have been achieved by field-programmable gate array in this prototype. The frames error rate (FER) free transmission of Q-S ECDMA based upstream is demonstrated after 20 km fiber link. Then receiver sensitivity of optical line terminal in upstream transmission can be improved approx6 dB by coding gain compared with traditional 2.5 Gbit/s TDM PON.

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