FIBER OPTIC ANALOG DIGITAL HYBRID SIGNAL TRANSMISSION EMPLOYING FREQUENCY-MODULATION

被引：9

作者：

SATO, KI

AOYAGI, S

KITAMI, T

机构：

[1] NTT, Yokosuka Electrical, Communication Lab, Yokosuka, Jpn, NTT, Yokosuka Electrical Communication Lab, Yokosuka, Jpn

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 1985年 / 33卷 / 05期

关键词：

DIGITAL COMMUNICATION SYSTEMS - FIBER OPTICS - FREQUENCY MODULATION - TELECOMMUNICATION LINKS; MICROWAVE - TELEVISION SYSTEMS; CABLE;

D O I：

10.1109/TCOM.1985.1096326

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Investigations are carried out on the SNR performance in fiber-optic FM transmission systems which use multimode fibers and 1. 3- mu m laser diodes. Both laser diode noise and modal noise are quantitatively evaluated in systems with and without a superimposed pulse modulation scheme. Based on these investigations, parameters for analog-digital hybrid signal transmission systems employing FM are determined. The hybrid signal consists of audio, video, and 2 Mb/s digital data. The results obtained in transmission experiments satisfied the design objectives and confirmed the technical feasibility of analog-digital hybrid transmission employing FM. The results make the fiber-optic FM transmission system with a 1. 3- mu m LD an attractive alternative in subscriber systems and in video transmission systems for microwave IF links and CATV trunks.

引用

页码：433 / 441

页数：9

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