Phase Noise Self-Cancellation Scheme Based on Orthogonal Polarization for OFDM System

被引：0
|
作者：
Nie, Yao [1 ]
Feng, Chunyan [1 ]
Liu, Fangfang [1 ]
Guo, Caili [1 ]
Zhao, Wen [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Beijing Lab Adv Informat Networks, Beijing Key Lab Network Syst Architecture & Conve, Beijing 100876, Peoples R China
来源：
KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS | 2017年 / 11卷 / 09期
基金：
美国国家科学基金会;
关键词：
orthogonal polarization; phase noise; self-cancellation; PDL; OFDM; SUPPRESSION; DIVERSITY;
D O I：
10.3837/tiis.2017.09.009
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In orthogonal frequency-division multiplexing (OFDM) systems, phase noise introduced by the local oscillators can cause bit error rate (BER) performance degradation. To solve the phase noise problem, a novel orthogonal-polarization-based phase noise self-cancellation (OP-PNSC) scheme is proposed. First, the efficiency of canceling the phase noise of the OP-PNSC scheme in the AWGN channel is investigated. Then, the OP-PNSC scheme in the polarization-dependent loss (PDL) channel is investigated due to power imbalance caused by PDL, and a PDL pre-compensated OP-PNSC (PPC-OP-PNSC) scheme is proposed to mitigate the power imbalance caused by PDL. In addition, the performance of the PPC-OP-PNSC scheme is investigated, where the signal-to-interference-plus-noise ratio (SINR) and spectral efficiency (SE) performances are analyzed. Finally, a comparison between the OP-PNSC and polarization diversity scheme is discussed. The numerical results show that the BER and SINR performances of the OP-PNSC scheme outperform the case with the phase noise compensation and phase noise self-cancellation scheme.
引用
收藏
页码：4334 / 4356
页数：23
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