Performance assessment of short-reach multi-level pulse-amplitude modulation transmission exploiting least-mean-square equalisation

被引：0

作者：

Khaliq, Muhammad Shoaib ^{[1
]}

Cantono, Mattia ^{[1
]}

Straullu, Stefano ^{[2
]}

Curri, Vittorio ^{[1
]}

机构：

[1] Politecn Torino, Dept Elect & Telecommun, Turin, Italy

[2] Ist Super Mario Boella, Turin, Italy

来源：

IET OPTOELECTRONICS | 2017年 / 11卷 / 04期

关键词：

pulse amplitude modulation; least mean squares methods; optical fibre communication; optical transmitters; optical receivers; FIR filters; forward error correction; error statistics; performance assessment; short-reach multilevel pulse-amplitude modulation transmission; least-mean-square equalisation; standard single mode fibre; modulation formats; symbol rate; forward error-correction overhead; bit error rate threshold; digital signal processing; training-driven finite impulse response filter equaliser; sensitivity impairments; limited Tx; Rx electrical bandwidth; FIR equaliser; bit rate 25 Gbit; s; size; 2; km; 1.3; MU-M; POWER DISSIPATION; FORMATS; PAM; SYSTEMS; OFDM; DMT;

D O I：

10.1049/iet-opt.2016.0148

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：

The authors study the performance of pulse-amplitude modulation, with 2, 4 and 8 levels per symbol, for short reach applications with propagation over up to 2km of standard single mode fibre. They consider the three modulation formats operated both at the same bit-rate of 25 Gbps and at same symbol rate of 25Gbaud, supposing 3.125% forward error-correction overhead and bit error rate threshold of 10(-4). They analyse transmitters (Tx) and receivers (Rx) based on digital signal processing, including a training-driven finite impulse response (FIR) filter equaliser set through the least-mean-square algorithm. They analyse the sensitivity impairments induced by a limited Tx/Rx electrical bandwidth and evaluate the minimum number of taps - and consequent latency - needed by the FIR equaliser to obtain sensitivity benefits.

引用

页码：134 / 140

页数：7

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