On Secure NOMA Systems With Transmit Antenna Selection Schemes
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Access"
DOI: 10.1109/access.2017.2737330
Abstract: This paper investigates the secrecy performance of a two-user downlink non-orthogonal multiple access systems. Both single-input and single-output and multiple-input and single-output systems with different transmit antenna selection (TAS) strategies are considered. Depending on whether… read more here.
Keywords: selection schemes; noma systems; transmit antenna; secure noma ... See more keywords
An Enhanced Tabu Search Based Receiver for Full-Spreading NOMA Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2950901
Abstract: Full-spreading non-orthogonal multiple access (FS-NOMA) is one category of the candidate technologies designed to support massive connectivity in wireless communication systems. Before it can handle the massive volume of user connections, it is important for… read more here.
Keywords: tabu search; full spreading; noma systems; based receiver ... See more keywords
Contract-Based Incentive Mechanism for Cooperative NOMA Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2018.2882387
Abstract: In the emerging cooperative non-orthogonal multiple access (NOMA) systems, an important design issue is to incentivize mobile relays (MRs) to participate in the cooperative process and achieve a win–win situation to both the base station… read more here.
Keywords: contract based; noma systems; contract; noma ... See more keywords
Random Access Games With Cost of Waiting for Uplink NOMA Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2019.2918175
Abstract: In power domain non-orthogonal multiple access (NOMA) used for uplink random access (RA) systems, users need to control transmit power such that the received power at the base station can be one of the predetermined… read more here.
Keywords: random access; access; access games; games cost ... See more keywords
Channel Assignment for Hybrid NOMA Systems With Deep Reinforcement Learning
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2021.3058922
Abstract: The Hybrid Non-Orthogonal Multiple Access (NOMA) is a promising candidate for multiple access techniques of future wireless communication, which integrates orthogonal multiple access and traditional NOMA. The performance of hybrid NOMA systems depends on resource… read more here.
Keywords: reinforcement learning; noma systems; hybrid noma; channel assignment ... See more keywords
Adaptive User Pairing for NOMA Systems With Imperfect SIC
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2021.3074036
Abstract: Non-orthogonal multiple access (NOMA) has been recognized as a key driving technology for the fifth generation (5G) and beyond 5G cellular networks. For a practical downlink NOMA system with imperfect successive interference cancellation (SIC), we… read more here.
Keywords: user pairing; imperfect sic; noma systems; adaptive user ... See more keywords
QoS Guaranteed Power Minimization and Beamforming for IRS-Assisted NOMA Systems
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3189272
Abstract: In this letter, to solve the problem of large interference among users and reduce the transmit power consumption of base station while guaranteeing target quality of service (QoS) in downlink intelligent reflecting surface (IRS) assisted… read more here.
Keywords: qos guaranteed; power minimization; noma systems; power ... See more keywords
Short-Packet Communications for UAV-Based NOMA Systems Under Imperfect CSI and SIC
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Cognitive Communications and Networking"
DOI: 10.1109/tccn.2022.3225118
Abstract: This paper studies the performance of unmanned aerial vehicle (UAV)-aided short-packet non-orthogonal multiple access (NOMA) systems under imperfect channel state information (ipCSI) and successive interference cancellation (ipSIC). Closed-form expressions for the average block-error rate (BLER),… read more here.
Keywords: communications uav; packet communications; systems imperfect; noma systems ... See more keywords
Improving the Performance of Cell-Edge Users in NOMA Systems Using Cooperative Relaying
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2018.2796611
Abstract: In this paper, we study the performance improvement methods for a cell-edge user of two-user non-orthogonal multiple access (NOMA) systems in downlink scenarios. To this end, we propose two cooperative relaying schemes, namely ON/OFF-full-duplex relaying… read more here.
Keywords: cooperative relaying; noma systems; edge user; performance ... See more keywords
Hardware Impaired Ambient Backscatter NOMA Systems: Reliability and Security
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2021.3050503
Abstract: Non-orthogonal multiple access (NOMA) and ambient backscatter communication have been envisioned as two promising technologies for the Internet-of-things due to their high spectral efficiency and energy efficiency. Motivated by this fact, we consider an ambient… read more here.
Keywords: ambient backscatter; security; backscatter noma; noma systems ... See more keywords
Learning-Assisted Optimization for Energy-Efficient Scheduling in Deadline-Aware NOMA Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Green Communications and Networking"
DOI: 10.1109/tgcn.2019.2902838
Abstract: In this paper, we study a class of minimum-energy scheduling problems in non-orthogonal multiple access (NOMA) systems. NOMA is adopted to enable efficient channel utilization and interference mitigation, such that base stations can consume minimal… read more here.
Keywords: optimization; time; noma systems; assisted optimization ... See more keywords