Abstract
A novel multidirectional low cost coordinated multi-point radio over fiber communication system architecture based on photonic decuple frequency and optical delay interference is proposed and deduced theoretically. At the switching center station, the multi-order photonic millimeter wave is generated by a double arm Mach-Zehnder optoelectronic modulator, and the characteristics of the multi-order photonic millimeter wave are analyzed and verified. At the base station (BS), two photonic millimeter signals are demodulated by an optical delay interferometer. The one photonic millimeter signal is used for generating fifth order upper spectrum band and fifth order lower spectrum band via an optical filter, and then the electronic millimeter signal with 30 GHz is generated by photonic decuple frequency technique. The other photonic millimeter signal is separated into two optical signals via an optical splitter, which are used for generating the third order lower spectrum band signal and the third order upper spectrum band signal respectively. After transmitting 30 km in a SSMF, the clear eye diagram and the good bit error rate are obtained for downlink signal, uplink signal and BS to BS link signal. Thanks to the photonic decuple frequency technique, the cost of the local oscillator with ultra-high frequency is greatly reduced at the BS. Because of no laser optical source, the complexity of the BS is simplified. Owing to the coordinated multi-point technique, ultra-high speed transmitting between the mobile station and the BS can become a reality on the edge of the cell.
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Li, G., Liu, H. A novel CoMP-ROF communication network system based on photonic decuple frequency and optical delay interference. Opt Quant Electron 48, 406 (2016). https://doi.org/10.1007/s11082-016-0673-0
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DOI: https://doi.org/10.1007/s11082-016-0673-0