EFFECT OF LINE CODING ON HETERODYNE FSK OPTICAL-SYSTEMS WITH NONUNIFORM LASER FM RESPONSE

被引：1
|
作者：
MAJUMDER, SP
GANGOPADHYAY, R
PRATI, G
机构：
[1] INDIAN INST TECHNOL,DEPT E & ECE,KHARAGPUR 721302,W BENGAL,INDIA
[2] UNIV PARMA,FAC ENGN,I-43100 PARMA,ITALY
来源：
IEE PROCEEDINGS-OPTOELECTRONICS | 1994年 / 141卷 / 03期
关键词：
LINE CODING; HETERODYNE FSK OPTICAL SYSTEMS; LASER RESPONSE;
D O I：
10.1049/ip-opt:19941139
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：
A simple analytical approach for evaluating the system performance due to the combined effects of receiver noise, laser phase noise and laser nonuniform FM response in wide-deviation heterodyne optical FSK system with envelope detection is presented. With this approach, the relative effectiveness of several linecoding schemes, namely alternate mark inversion (AMI), Manchester coding (MC) and delay modulation (DM), in counteracting the pattern-dependent performance degradation due to nonflat FM response has been quantitatively assessed. Theoretical results and simulations show that performance of linecoded systems are within 0.7 dB at bit error probability of 10(-9) from the random NRZ-FSK system with flat FM response.
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页码：200 / 208
页数：9
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