[1] Chen L, Halabi F, Giddings R P et al. Subcarrier index-power modulated-optical OFDM with dual superposition multiplexing for directly modulated DFB-based IMDD PON systems[J]. IEEE Photonics Journal, 10, 7908113(2018).
[2] Zhao G M. Study on performance optimization of RoF-PON system based on OFDM[D](2020).
[3] Zhao G M, Zhang C L, Zhang C X. Simulation of RoF with OFDM-PON hybrid transmission system based on RSOA re-modulation[J]. Study on Optical Communications, 25-29, 45(2019).
[4] Yao J P. Microwave photonics[J]. Journal of Lightwave Technology, 27, 314-335(2009).
[5] Abbas H S, Gregory M A. The next generation of passive optical networks: a review[J]. Journal of Network and Computer Applications, 67, 53-74(2016).
[6] Luo S Y, Xu Y, Li Z X et al. Progress in key technologies of physical layer in next generation optical access networks[J]. Journal of Applied Sciences, 38, 612-629(2020).
[7] Chang G K, Cheng L. The benefits of convergence[J]. Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences, 374, 20140442(2016).
[8] Zhang L, Hu X F, Cao P et al. Simultaneous generation of independent wired and 60-GHz wireless signals in an integrated WDM-PON-RoF system based on frequency-sextupling and OCS-DPSK modulation[J]. Optics Express, 20, 14648-14655(2012).
[9] Ait Ahmed B, Aghzout O, Chakkour M et al. Transmission performance analysis of WDM radio over fiber technology for next generation long-haul optical networks[J]. International Journal of Optics, 2019, 5087624(2019).
[10] Xiong C, Li Y, Long N Y. Simulation of WDM-ROF-PON selective access link system based on hybrid modulation of MZM and OFM[J]. Journal of Intelligent & Fuzzy Systems, 40, 6305-6313(2021).
[11] Zhou Q, He J L, Shen S Y et al. Symmetric long-reach 16-QAM transmission using lite coherent receiver for next-generation optical access network[C](2019).
[12] Liu B, Xin X J, Zhang L J et al. Broad convergence of 32QAM-OFDM ROF and WDM-OFDM-PON system using an integrated modulator for bidirectional access networks[C], JThA26(2010).
[13] Zhang R J, Ma J X. Full-duplex link with a unified optical OFDM signal for wired and millimeter-wave wireless accesses based on direct detection[J]. Optical Switching and Networking, 25, 33-39(2017).
[14] Zhang R J, Ma J X. Full-duplex hybrid PON/RoF link with 10-Gbit/s 4-QAM signal for alternative wired and 40-GHz band wireless access based on optical frequency multiplication[J]. Optik, 138, 55-63(2017).
[15] Choudhury P K. Enhanced noise tolerance for 10 Gb/s Bi-directional cross-wavelength reuse colorless WDM-PON by using spectrally shaped OFDM signals[J]. Optical Fiber Technology, 42, 6-10(2018).
[16] Liu A L. Research on key technologies for high-speed broadband radio-over-fiber access network based on FTTx[D](2018).
[17] Browning C, Farhang A, Saljoghei A et al. 5G wireless and wired convergence in a passive optical network using UF-OFDM and GFDM[C], 386-392(2017).
[18] Li W P, Kong M, Shi J T et al. Multiple radio frequency operation based on a modulator in a radio-over-fiber system[J]. Chinese Journal of Lasers, 47, 1106002(2020).
[19] Xie C M. Research on optical wireless access system based on ROF-PON[J]. Mobile Communications, 39, 58-61(2015).
[20] Wu B L. Investigation of transmission methods and photonic microwave signal processing technologies in radio-over-fiber system[D](2017).
[21] Zhang R J. The key technologies for the broadband wired and wireless alternative access based on the fusion of the passive optical network and radio over fiber[D](2017).
[22] Chen H Y, Chi Y C, Lin C Y et al. Four-wave-mixing suppression of master-to-slave injection-locked two-wavelength FPLD pair for MMW-PON[J]. Journal of Lightwave Technology, 34, 4810-4818(2016).
[24] Chen G. Some key techniques and their applications to microwave photonic signal processing for radio-over-fiber systems[D](2021).
[25] Elmagzoub M A, Shaikh A, Alghamdi A et al. A review on MIMO wireless signals over fibre for next generation fibre wireless (FiWi) broadband networks[J]. Electronics, 9, 2014(2020).
[26] Nesset D. NG-PON2 technology and standards[J]. Journal of Lightwave Technology, 33, 1136-1143(2015).
[27] Obite F, Jaja E T, Ijeomah G et al. The evolution of ethernet passive optical network (EPON) and future trends[J]. Optik, 167, 103-120(2018).
[28] Cikan N N, Aksoy M. A review of self-seeded RSOA based on WDM PON[J]. Canadian Journal of Electrical and Computer Engineering, 42, 2-9(2019).
[29] Mandal G C, Mukherjee R, Das B et al. Bidirectional and simultaneous transmission of baseband and wireless signals over RSOA based WDM radio-over-fiber passive optical network using incoherent light injection technique[J]. AEU-International Journal of Electronics and Communications, 80, 193-198(2017).
[30] Souza A M, Celino D R, Duarte U R et al. Analog radio-over-fiber fronthaul by a WDM-PON employing double RSOA self-seeding and carrier-reuse techniques[J]. Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 17, 552-566(2018).
[31] Mandal P, Mallick K, Dutta B et al. Mitigation of Rayleigh backscattering in RoF-WDM-PON employing self coherent detection and bi-directional cross wavelength technique[J]. Optical and Quantum Electronics, 53, 77(2021).
[32] Li X, Zhang C L, Wang H. 16QAM/OFDM-RoF system based on probabilistic shaping[J]. Laser & Optoelectronics Progress, 58, 096008(2021).
[33] Liang L H, Song Y X, Lin R J. Demonstration of coherent orthogonal frequency division multiplexing passive optical network system based on optical frequency comb and injection locking local laser[J]. Acta Optica Sinica, 39, 0906004(2019).
[34] Ding Q G, Zhang L J, Wang X J et al. Tunable multiwavelength optical comb enabled RoF-OFDM-PON with wavelength multiplex[J]. Microwave and Optical Technology Letters, 63, 2208-2213(2021).
