References
- P. Parida and S. S. Das. Power allocation in OFDM based NOMA systems: A DC programming approach, in Proc. IEEE Globecom Workshops (Austin, TX, USA), 2014, pp. 1026-1031.
- D. Tse and P. Viswanath, Fundamentals of Wireless Communications (1st ed), Cambridge University Press, Cambridge, UK, 2004.
- A. Zafar et al. On multiple users scheduling using superposition coding over rayleigh fading channels, IEEE Commun. Lett. 17 (2013), no. 4, 733-736. https://doi.org/10.1109/LCOMM.2013.021213.122465
- A. Benjebbour et al., Concept and practical considerations of non-orthogonal multiple access (NOMA) for future radio access, in Proc. Int. Symp. Intell. Signal Process. Commun. Syst. (Okinawa, Japan), 2013, pp. 770-774.
- Y. Saito et al., Non-orthogonal multiple access (NOMA) for cellular future radio access, in Proc. IEEE 77th Veh. Technol. Conf. (Dresden, Germany), 2013, pp. 1-5.
- H. Nikopour and H. Baligh, Sparse code multiple access, in Proc. IEEE Int. Symp. Pers. Indoor Mobile Radio Commun. (London, UK), 2013, pp. 332-336.
- S. Chen et al., Pattern division multiple access-a novel non-orthogonal multiple access for fifth-generation radio networks, IEEE Trans. Veh. Technol. 66 (2017), no. 4, 3185-3196. https://doi.org/10.1109/TVT.2016.2596438
- M. Al-Imari et al. Performance evaluation of low density spreading multiple access, in Proc. 8th Int, Wireless Commun. Mobile Comput. Conf. (Limassol, Cyprus), 2012, pp. 383-388.
- D. Fang et al., Lattice partition multiple access: a new method of downlink non-orthogonal multiuser transmissions, in Proc. IEEE Global Commun. Conf. (Washington, DC, USA), 2016, pp. 1-6.
- L. Dai et al., Non-orthogonal multiple access for 5G: solutions, challenges, opportunities, and future research trends, IEEE Commun. Mag. 53 (2015), no. 9, 74-81. https://doi.org/10.1109/MCOM.2015.7263349
- Z. Ding et al., A survey on non-orthogonal multiple access for 5G networks: research challenges and future trends, IEEE J. Sel. Areas Commun. 35 (2017), no. 10, 2181-2195. https://doi.org/10.1109/JSAC.2017.2725519
- Q. Li et al., Index modulated OFDM spread spectrum, IEEE Trans. Wireless Commun. 17 (2018), no. 4, 2360-2374. https://doi.org/10.1109/twc.2018.2793238
- T. Zeng et al., Investigation on evolving single-carrier NOMA into multi-carrier NOMA in 5G, IEEE Access 6 (2018), 48268-48288. https://doi.org/10.1109/access.2018.2868093
- W. Cai et al., Subcarrier and power allocation scheme for downlink OFDM-NOMA systems, IET Signal Proc. 11 (2017), no. 1, 51-58. https://doi.org/10.1049/iet-spr.2016.0188
- T. A. Ayman and H. Arslan, NOMA for multinumerology OFDM systems, Wireless Commun. Mobile Comput. 2018 (2018), 1-9.
- Y. Saito et al., System-level performance evaluation of downlink non-orthogonal multiple access (NOMA), in Proc. IEEE Annu. Int. Symp. Personal, Indoor, Mobile Radio Commun. (London, UK), 2013, pp. 1-6.
- Y. Sun et al. Optimal joint power and subcarrier allocation for MC-NOMA systems, in Proc. IEEE Global Commun. Conf. Washington, DC, USA, 2016, pp. 1-6.
- Y. Sun et al., Optimal joint power and subcarrier allocation for full duplex MC-NOMA systems, IEEE Trans. Commun. 65 (2017), no. 3, 1077-1091. https://doi.org/10.1109/TCOMM.2017.2650992
- Z. Ding, M. Peng, and H. V. Poor, Cooperative non-orthogonal multiple access in 5G systems, IEEE Commun. Lett. 18 (2015), no. 8, 1462-1465.
- L. Lv et al., Application of non-orthogonal multiple access in cooperative spectrum-sharing networks over nakagami-m fading channels, IEEE Trans. Veh. Technol. 66 (2017), no. 6, 5506-5511. https://doi.org/10.1109/TVT.2016.2627559
- D. T. Thai and P. Popovski, Coordinated direct and relay transmission with interference cancelation in wireless systems, IEEE Commun. Lett. 15 (2011), no. 4, 416-418. https://doi.org/10.1109/LCOMM.2011.022411.102593
- D. T. Thai and M. Berbineau. Coordinated Direct and Relay Schemes for Two-Hop Communication in VANETS, 2014, Available from: https://arxiv.org/abs/1403.0173 [last accessed September 2019].
- J. B. Kim et al., System-level performance evaluation for non-orthogonal multiple access in coordinated direct and relay transmission, in Proc. Int. Conf. Inf. Commun. Technol. Converg. (Jeju Island, Korea), 2017, pp. 1296-1298.
- J. B. Kim and I. H. Lee, Non-orthogonal multiple access in coordinated direct and relay transmission, IEEE Commun. Lett. 19 (2015), no. 11, 2037-2040. https://doi.org/10.1109/LCOMM.2015.2474856
- M. F. Kader and S. Y. Shin, Coordinated direct and relay transmission using uplink NOMA, IEEE Wireless Commun. Lett. 7 (2018), no. 3, 400-403. https://doi.org/10.1109/LWC.2017.2779778
- L. Zheng et al., On the performance of NOMA based coordinated direct and relay transmission using dynamic scheme, IET Commun. 12 (2018), no. 18, 2231-2242. https://doi.org/10.1049/iet-com.2018.5042
- N. T. Do et al., A BNBF user selection scheme for NOMA-based cooperative relaying systems with swipt, IEEE Commun. Lett. 21 (2017), no. 3, 664-667. https://doi.org/10.1109/LCOMM.2016.2631606
- K. A. Shah and I. Koo, A novel physical layer security scheme in OFDM-based cognitive radio networks, IEEE Access 6 (2018), 29486-29498. https://doi.org/10.1109/access.2018.2842826
- H. Khun, The Hungarian method for the assignment problems, Naval Res. Logistics Quarterly 62 (1995), no. 1-2, 83-97.
- S. Haykin, Cognitive radio: brain-empowered wireless communications, IEEE J. Sel. Areas Commun. 23 (2015), no. 2, 202-220.
- S. Zhang et al., Novel spectrum sensing and access in cognitive radio networks, Sci. China Inf. Sci. 61 (2018), no. 8, 089302. https://doi.org/10.1007/s11432-017-9282-2
- Y. Liu et al., Nonorthogonal multiple access in large-scale underlay cognitive radio networks, IEEE Trans. Veh. Technol. 65 (2016), no. 12, 152-157.
- N. Zabetian et al., Rate optimization in NOMA cognitive radio networks, in Proc. Int. Symp. Telecommun. (Tehran, Iran), 2016, pp. 62-65.
- S. Arzykulov et al., Outage performance of underlay CR-NOMA networks with detect-and-forward relaying, in Proc. IEEE Global Commun. Conf. (Abu Dhabi, UAE), 2018, pp. 1-6.
- G. Im and J. H. Lee, Outage probability for cooperative NOMA systems with imperfect SIC in cognitive radio networks, IEEE Commun. Lett. 23 (2019), no. 4, 692-695. https://doi.org/10.1109/lcomm.2019.2903040
- Y. Li, Z. Chen, and Y. Gong, Optimal power allocation for coordinated transmission in cognitive radio networks, in Proc. IEEE Veh. Technol. Conf. (Glasgow, UK), 2015, pp. 1-5.
- M. F. Kader. A power-domain NOMA inspired overlay spectrum sharing scheme, 2018, Available from: https://engrxiv.org/vy3na/ [last accessed September 2019].
- M. F. Kader and S. Y. Shin. Cooperative spectrum sharing with space time bock Ccoding and non-orthogonal multiple access, in Proc. Int. Conf. Ubiquitous Future Netw. (Vienna, Austria), 2016, pp. 490-494.
- W. Xu et al., Joint sensing duration adaptation, user matching, and power allocation for cognitive OFDM-NOMA systems, IEEE Trans. Wireless Commun. 17 (2018), no. 2, 1269-1282. https://doi.org/10.1109/TWC.2017.2777476
- Y. Sun, D. W. K. Ng, and R. Schober. Resource allocation for MCNOMA systems with cognitive relaying, in Proc. IEEE Globecom Workshops (Singapore), 2017, pp. 1-7.
- C. Li and X. Li. Throughput maximization for multi-carrier non-orthogonal multiple access systems with coordinated direct and relay transmission, in Proc. IEEE Int. Conf. Commun. (Kansas City, MO, USA), 2018, pp. 1-6.
- M. Pischella and J. C. Belfiore, Weighted sum throughput maximization in multicell OFDMA networks, IEEE Trans. Veh. Technol. 59 (2010), no. 2, 896-905. https://doi.org/10.1109/TVT.2009.2036268
- G. De Angelis, G. Baruffa, and S. Cacopardi, Gnss/cellular hybrid positioning system for mobile users in urban scenarios, IEEE Trans. Intell. Transp. Syst. 14 (2013), no. 1, 313-321. https://doi.org/10.1109/TITS.2012.2215855
- K. Kyamakya and K. Jobmann, Location management in cellular networks: classification of the most important paradigms, realistic simulation framework, and relative performance analysis, IEEE Trans. Veh. Technol. 54 (2005), no. 2, 687-708. https://doi.org/10.1109/TVT.2004.842459
- S. Boyd, Convex optimization (7th ed.), Cambridge University Press, Cambridge, UK, 2009.
- S. Boyd. Lecture on class ee364b of Stanford University, 2017, Available from: http://www.stanford.edu/class/ee364b/lectures.html [last accessed September 2019].
- A. Benjebbour et al., System-level performance of downlink NOMA for future LTE enhancements, in Proc. IEEE Globecom Workshops (Atlanta, GA, USA), 2013, pp. 66-70.
- Z. Yang et al., The impact of power allocation on cooperative non-orthogonal multiple access networks with SWIPT, IEEE Trans. Wireless Commun. 16 (2017), no. 7, 4332-4343. https://doi.org/10.1109/TWC.2017.2697380
- Y. Yuan et al., Energy efficiency optimization in full-duplex user-aided cooperative SWIPT NOMA systems, IEEE Trans. Commun. 65 (2019), no. 6, 2641-2656. https://doi.org/10.1109/TCOMM.2017.2677942