2020
DOI: 10.1109/tcomm.2020.3016742
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Resource Allocation in Intelligent Reflecting Surface Assisted NOMA Systems

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Cited by 224 publications
(112 citation statements)
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“…existing research work on IRS has covered a broad range of topics such as, but not limited to, power and energy optimization [1], [8], [13], [33], physical layer security [7], resource allocation with non orthogonal multiple access (NOMA) [9], full duplex cognitive radio [5], and symbol-level precoding [11]. The integration of IRS and simultaneous wireless information and power transfer (SWIPT) is considered in [4].…”
Section: A Related Workmentioning
confidence: 99%
“…existing research work on IRS has covered a broad range of topics such as, but not limited to, power and energy optimization [1], [8], [13], [33], physical layer security [7], resource allocation with non orthogonal multiple access (NOMA) [9], full duplex cognitive radio [5], and symbol-level precoding [11]. The integration of IRS and simultaneous wireless information and power transfer (SWIPT) is considered in [4].…”
Section: A Related Workmentioning
confidence: 99%
“…to work with other emerging techniques such as deep learning [17], cognitive radio (CR) network [18], wireless powered communication network (WPCN) [19], full-duplex (FD) communication [20], non-orthogonal multiple access (NOMA) [21], and directional modulation (DM) [22], respectively. Summarizing the literature, the manifold optimization [10], the majorizationminimization (MM) method [13], and the semi-definite programming (SDP) with Gaussian randomization (GR) [18] are commonly used to optimize the RC.…”
Section: Introductionmentioning
confidence: 99%
“…Second, how to optimize the IRS reflection coefficients (including both reflection amplitudes and phase shifts in general) to unveil the full benefit offered by IRS is another challenging problem, due to their involved difficult-to-handle uni-modular constraints and intricate coupling in passive beamforming optimization. In the literature, various algorithms have been proposed to optimize the IRS reflection phase shifts (continuous or discrete), based on the instantaneous CSI (I-CSI) [6]- [12], [26]- [29]. In [30], the authors further investigated the effect of IRS amplitude control on the passive beamforming performance, and showed that under imperfect CSI, additional performance gains can be achieved by jointly controlling the reflection amplitudes as compared to the case with full reflection and phase-shift control only.…”
Section: Introductionmentioning
confidence: 99%