Full-duplex WiFi analog signal transmission with digital downlink in a radio-over-fiber system employing RSOA-based WDM-PON architecture

Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI:10.1109/MWP.2014.6994481

Zhihui Cao, A. Nguyen, L. Rusch

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引用次数: 5

Abstract

We experimentally demonstrate, for the first time, bidirectional analog WiFi signal transmission in a digital wavelength division multiplexed passive optical network (WDM-PON) system. Our solution is compatible with a single optical feeder fiber and customer premises units employing reflective semiconductor optical amplifiers (RSOAs). The downlink optical carrier is modulated which both baseband 1 Gb/s On-Off-Keying (OOK) data and a WiFi signal in the 2.4 GHz band. The optical signal is split, with part going to reception and part reflected by the RSOA and modulated with an uplink WiFi signal. The uplink WiFi signal is in the 2.4 GHz band (no frequency translation), although the RSOA 3 dB response is limited to 1.2 GHz. At the bit-error-rate (BER) threshold of 2×10-3 before forward error correction (FEC), we achieve the transmission link up to 20 km (64-QAM), 30 km (16-QAM), and 40 km (QPSK). In all cases, the 1 Gb/s digital downlink signal is error-free.

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采用基于rsoa的WDM-PON体系结构的光纤无线电系统中数字下行的全双工WiFi模拟信号传输

我们首次通过实验证明了在数字波分多路无源光网络(WDM-PON)系统中双向模拟WiFi信号传输。我们的解决方案与单个光纤馈线光纤和采用反射半导体光放大器(rsoa)的客户端单元兼容。下行光载波由基带1gb /s的开-关键(OOK)数据和2.4 GHz频段的WiFi信号调制。光信号被分割，一部分去接收，一部分被RSOA反射，用上行WiFi信号调制。上行WiFi信号在2.4 GHz频段(没有频率转换)，尽管RSOA 3db响应被限制在1.2 GHz。在前向纠错(FEC)前的误码率(BER)阈值2×10-3下，我们实现了高达20 km (64-QAM)， 30 km (16-QAM)和40 km (QPSK)的传输链路。在所有情况下，1gb /s的数字下行信号是无差错的。

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Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on

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