The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
본 연구에서는 광학적으로 사전 증폭된 수신기 시스템에 대한 4레벨 펄스 진폭 변조(PAMXNUMX) 신호의 기호 레벨 할당을 수치적으로 조사합니다. 강도 균등화, 진폭 균등화, 수치 최적화의 세 가지 레벨 할당 방식을 검토합니다. 다양한 시스템 조건에서 이러한 레벨 할당 방식에 대한 수신기 감도를 포괄적으로 비교하기 위해 수치 시뮬레이션이 수행되었습니다. 결과는 레벨 할당 간의 우열이 증폭된 자발 방출광의 대역폭, 변조 대역폭 및 신호 소광비(ER)의 시스템 조건에 크게 의존한다는 것을 보여줍니다. 이러한 종속성의 기본 메커니즘도 논의됩니다.
Hiroki KAWAHARA
Osaka University
Koji IGARASHI
Osaka University
Kyo INOUE
Osaka University
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
부
Hiroki KAWAHARA, Koji IGARASHI, Kyo INOUE, "Level Allocation of Four-Level Pulse-Amplitude Modulation Signal in Optically Pre-Amplified Receiver Systems" in IEICE TRANSACTIONS on Communications,
vol. E106-B, no. 8, pp. 652-659, August 2023, doi: 10.1587/transcom.2022EBP3162.
Abstract: This study numerically investigates the symbol-level allocation of four-level pulse-amplitude modulation (PAM4) signals for optically pre-amplified receiver systems. Three level-allocation schemes are examined: intensity-equispaced, amplitude-equispaced, and numerically optimized. Numerical simulations are conducted to comprehensively compare the receiver sensitivities for these level-allocation schemes under various system conditions. The results show that the superiority or inferiority between the level allocations is significantly dependent on the system conditions of the bandwidth of amplified spontaneous emission light, modulation bandwidth, and signal extinction ratio (ER). The mechanisms underlying these dependencies are also discussed.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2022EBP3162/_p
부
@ARTICLE{e106-b_8_652,
author={Hiroki KAWAHARA, Koji IGARASHI, Kyo INOUE, },
journal={IEICE TRANSACTIONS on Communications},
title={Level Allocation of Four-Level Pulse-Amplitude Modulation Signal in Optically Pre-Amplified Receiver Systems},
year={2023},
volume={E106-B},
number={8},
pages={652-659},
abstract={This study numerically investigates the symbol-level allocation of four-level pulse-amplitude modulation (PAM4) signals for optically pre-amplified receiver systems. Three level-allocation schemes are examined: intensity-equispaced, amplitude-equispaced, and numerically optimized. Numerical simulations are conducted to comprehensively compare the receiver sensitivities for these level-allocation schemes under various system conditions. The results show that the superiority or inferiority between the level allocations is significantly dependent on the system conditions of the bandwidth of amplified spontaneous emission light, modulation bandwidth, and signal extinction ratio (ER). The mechanisms underlying these dependencies are also discussed.},
keywords={},
doi={10.1587/transcom.2022EBP3162},
ISSN={1745-1345},
month={August},}
부
TY - JOUR
TI - Level Allocation of Four-Level Pulse-Amplitude Modulation Signal in Optically Pre-Amplified Receiver Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 652
EP - 659
AU - Hiroki KAWAHARA
AU - Koji IGARASHI
AU - Kyo INOUE
PY - 2023
DO - 10.1587/transcom.2022EBP3162
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E106-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2023
AB - This study numerically investigates the symbol-level allocation of four-level pulse-amplitude modulation (PAM4) signals for optically pre-amplified receiver systems. Three level-allocation schemes are examined: intensity-equispaced, amplitude-equispaced, and numerically optimized. Numerical simulations are conducted to comprehensively compare the receiver sensitivities for these level-allocation schemes under various system conditions. The results show that the superiority or inferiority between the level allocations is significantly dependent on the system conditions of the bandwidth of amplified spontaneous emission light, modulation bandwidth, and signal extinction ratio (ER). The mechanisms underlying these dependencies are also discussed.
ER -