New Power Minimization Techniques in Hybrid Distributed Antenna Systems With Orthogonal and Non-Orthogonal Multiple Access

Kilzi, Antoine; Farah, Joumana; Nour, Charbel Abdel; Douillard, Catherine

doi:10.1109/tgcn.2019.2916325

Cited by 8 publications

(7 citation statements)

References 18 publications

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“…In this paper, we study the combination of NOMA with HD-D2D and FD-D2D systems using mutual SIC. We introduced the concept of mutual SIC in our previous works [26][27][28] where we showed that the signals of two or more users multiplexed in NOMA, and powered by distributed antennas, can be decoded and removed at the level of every user in the NOMA cluster. In a D2D cellular scenario, this translates into removing the interference of the D2D devices at the level of the BS, and the interference of CU users at the level of D2D pairs.…”

Section: B Contributionsmentioning

confidence: 99%

Optimal Resource Allocation for Full-Duplex IoT Systems Underlaying Cellular Networks with Mutual SIC NOMA

Kilzi¹,

Farah²,

Nour³

et al. 2021

Preprint

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Device-to-device (D2D) and non-orthogonal multiple access (NOMA) are promising technologies to meet the challenges of the next generations of mobile communications in terms of network density and diversity for internet of things (IoT) services. This paper tackles the problem of maximizing the D2D sum-throughput in an IoT system underlaying a cellular network, through optimal channel and power allocation. NOMA is used to manage the interference between cellular users and full-duplex (FD) IoT devices. To this aim, mutual successive interference cancellation (SIC) conditions are identified to allow simultaneously the removal of the D2D devices interference at the level of the base station and the removal of the cellular users (CU) interference at the level of D2D devices. To optimally solve the joint channel and power allocation (PA) problem, a time-efficient solution of the PA problem in the FD context is elaborated. By means of graphical representation, the complex non-convex PA problem is efficiently solved in constant time complexity. This enables the global optimal resolution by successively solving the separate PA and channel assignment problems. The performance of the proposed strategy is compared against the classical state-ofthe-art FD and HD scenarios, where SIC is not applied between CUs and IoT devices. The results show that important gains can be achieved by applying mutual SIC NOMA in the IoT-cellular context, in either HD or FD scenarios.

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Section: B Contributionsmentioning

confidence: 99%

Optimal Resource Allocation for Full-Duplex IoT Systems Underlaying Cellular Networks with Mutual SIC NOMA

Kilzi¹,

Farah²,

Nour³

et al. 2021

Preprint

Self Cite

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“…In [18] [19], resource allocation is studied in NOMA-DAS for the context of mixed-traffic users. In [14], subband and power allocation in NOMA-DAS was tackled for the minimization of the downlink cell power under fixed user rates, and the study was then adapted to incorporate hybrid RRH-specific power constraints in [20]. It was shown that, under specific SIC and PMC contraints, when the signals multiplexed on the same subband are sent from different RRHs, paired users can all cancel their respective interference, leading to the so-called "mutual SIC" (or "dual SIC" for the case of 2 users per subband).…”

Section: Introductionmentioning

confidence: 99%

Efficient Combinations of NOMA With Distributed Antenna Systems Based on Channel Measurements for Mitigating Jamming Attacks

Farah

Simon

Laly

et al. 2021

IEEE Systems Journal

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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“…Finally, user-antenna association for non-CoMP users is based on the sole criterion of maximal RSS or channel gain. In a previous work, we studied the use of NOMA in a DAS network, and exploited the combination of NOMA with DAS to tackle the downlink power minimization problem under fixed user rates [25], and also under RRH-specific transmit power constraints [26]. We showed that, under some channel and transmit power conditions, when multiplexed signals are sent from different RRHs, paired users can both cancel the interference of each other, hence the name mutual SIC.…”

Section: Introductionmentioning

confidence: 99%

Mutual Successive Interference Cancellation Strategies in NOMA for Enhancing the Spectral Efficiency of CoMP Systems

Kilzi

Farah

Nour

et al. 2020

IEEE Trans. Commun.

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The densification of mobile networks should enable the fifth generation (5G) mobile networks to cope with the ever increasing demand for higher rate traffic, reduced latency, and improved reliability. The large scale deployment of small cells and distributed antenna systems in heterogeneous environments will require more elaborate interference mitigating techniques to increase spectral efficiency and to help unlock the expected performance leaps from the new network topologies. Coordinated multi-point (CoMP) is the most advanced framework for interference management enabling the cooperation between base stations to mitigate inter-cell interference and boost cell-edge user performance. In this paper, we study the combination of CoMP with mutual SIC, an interference cancellation technique based on power-domain non-orthogonal multiple access (NOMA) that enables multiplexed users to simultaneously cancel their corresponding interfering signals. A highly efficient intercell interference cancellation scheme is then devised, that can encompass several deployment configurations and coordination techniques. The obtained results prove the superiority of this approach compared to conventional NOMA-CoMP systems.

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New Power Minimization Techniques in Hybrid Distributed Antenna Systems With Orthogonal and Non-Orthogonal Multiple Access

Cited by 8 publications

References 18 publications

Optimal Resource Allocation for Full-Duplex IoT Systems Underlaying Cellular Networks with Mutual SIC NOMA

Optimal Resource Allocation for Full-Duplex IoT Systems Underlaying Cellular Networks with Mutual SIC NOMA

Efficient Combinations of NOMA With Distributed Antenna Systems Based on Channel Measurements for Mitigating Jamming Attacks

Mutual Successive Interference Cancellation Strategies in NOMA for Enhancing the Spectral Efficiency of CoMP Systems

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