Archive > Volume 11 Issue 6 > 2015,11(6):444-448. DOI:10.1007/s11801-015-5194-8 CSTR:[cstr] Prev Next
Multi-service small-cell cloud wired/wireless access network based on tunable optical frequency comb
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Abstract:
In this paper, we demonstrate a novel multi-service wired/wireless integrated access architecture of cloud radio access network (C-RAN) based on radio-over-fiber passive optical network (RoF-PON) system, which utilizes scalable multiple-frequency millimeter-wave (MF-MMW) generation based on tunable optical frequency comb (TOFC). In the baseband unit (BBU) pool, the generated optical comb lines are modulated into wired, RoF and WiFi/WiMAX signals, respectively. The multi-frequency RoF signals are generated by beating the optical comb line pairs in the small cell. The WiFi/WiMAX signals are demodulated after passing through the band pass filter (BPF) and band stop filter (BSF), respectively, whereas the wired signal can be received directly. The feasibility and scalability of the proposed multi-service wired/wireless integrated C-RAN are confirmed by the simulations.
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This work has been supported by the National Natural Science Foundation of China (No.61301156).
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