Electrical code divided multiplexing orthogonal frequency division multiplexing-based 60-GHz radio-over-fiber system with extended wireless transmission and optical beating interference noise mitigation in upstream link

被引：3
|
作者：
Zhang, Lijia [1 ,2 ]
Liu, Bo [1 ,2 ]
Xin, Xiangjun [1 ,2 ]
Wang, Yongjun [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
来源：
OPTICAL ENGINEERING | 2014年 / 53卷 / 11期
关键词：
radio over fiber; orthogonal frequency division multiplexing; code gain;
D O I：
10.1117/1.OE.53.11.116103
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper proposes an electrical code divided multiplexing orthogonal frequency division multiplexing (ECDM-OFDM) modulation-based radio-over-fiber (ROF) system at the 60-GHz band. Compared with conventional OFDM ROF system, it can increase the distance of wireless links as well as suppressing the optical beating interference noise in the upstream link. The 4.68 Gb/s ECDM-OFDM signal at 60 GHz with a 25-km fiber and 8-m air transmission is experimentally demonstrated. The wireless distance of the ECDM-OFDM signal has been extended 3 m with the same transmitted power. For the upstream signal, no significant receiver power penalties are observed after transmission. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License.
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页数：5
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