Design and performance investigation of LDPC-coded upstream transmission systems in IM/DD OFDM-PONs
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- 作者：Xiaoxue Gonga ; Lei Guoa ; guolei@cse.neu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jingjing Wua ; Zhaolong Ningb
- 关键词：IM/DD OFDM-PONs ; Upstream transmission system ; Interference mitigation ; LDPC codes
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：1 December 2016
- 年：2016
- 卷：380
- 期：Complete
- 页码：154-160
- 全文大小：1518 K
文摘
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A novel Radio Frequency (RF) upconversion scheme is proposed by us, which doubles the spectrum efficiency compared to the traditional approach.
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A general mathematical model is derived to analyze the detrimental factors influencing upstream transmission performance, once our RF upconversion scheme has been invoked.
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LDPC codes are introduced within the multipoint-to-point upstream transmission system in IM/DD OFDM-PONs for the first time, in order to mitigate detrimental factors above.