Results 1 to 10 of about 16,146,716 (284)

CSNOMA: Carrier Sense Non-Orthogonal Multiple Access [PDF]

open access: yesSensors, 2020
In this paper, we investigate the possibility of the cross-layer design of a distributed random access scheme with considering physical (PHY) and multiple access control (MAC) layers, which utilizes the interference cancellation technique. In this regard,
Dong Min Kim, Seong-Lyun Kim
doaj   +2 more sources

Massive MIMO, Non-Orthogonal Multiple Access and Interleave Division Multiple Access

open access: yesIEEE Access, 2017
This paper provides an overview on the rationales in incorporating massive multiple-input multiple-output (MIMO), non-orthogonal multiple access (NOMA), and interleave division multiple access (IDMA) in a unified framework.
Chongbin Xu   +4 more
doaj   +2 more sources

Multiple Access in Aerial Networks: From Orthogonal and Non-Orthogonal to Rate-Splitting

open access: yesIEEE Open Journal of Vehicular Technology, 2020
Recently, interest on the utilization of unmanned aerial vehicles (UAVs) has aroused. Specifically, UAVs can be used in cellular networks as aerial users for delivery, surveillance, rescue search, or as an aerial base station (aBS) for communication with
Wael Jaafar   +4 more
doaj   +3 more sources

Non-Orthogonal Multiple Access for Ubiquitous Wireless Sensor Networks [PDF]

open access: yesSensors, 2018
Ubiquitous wireless sensor networks (UWSNs) have become a critical technology for enabling smart cities and other ubiquitous monitoring applications. Their deployment, however, can be seriously hampered by the spectrum available to the sheer number of ...
Asim Anwar, Boon-Chong Seet, Zhiguo Ding
doaj   +2 more sources

Cooperative Non-Orthogonal Multiple Access for Beyond 5G Networks

open access: yesIEEE Open Journal of the Communications Society, 2021
In the beyond 5G networks, extraordinary demands for data rates and capacity are to be met. A possible candidate to address these challenges is Non-Orthogonal Multiple Access (NOMA) technique, which leads to higher diversity gains and massive ...
Abbas Ahmed   +3 more
doaj   +1 more source

Non orthogonal multiple access with wind energy harvesting

open access: yesAlexandria Engineering Journal, 2023
In this paper, we derive the performance of wireless communications using wind energy harvesting. We study the single-user and multi-user scenarios using Non Orthogonal and Orthogonal Multiple Access (NOMA and OMA).
Raed Alhamad, Hatem Boujemaa
doaj   +1 more source

Uplink non-orthogonal multiple access in heterogeneous networks: A review of recent advances and open research challenges

open access: yesInternational Journal of Distributed Sensor Networks, 2022
Fifth-generation wireless communications provide several benefits, including high throughput, lower latency, massive connectivity, considerable improvement in the number of users, higher base station capacity, and achieved quality of service.
Bilal Ur Rehman   +6 more
doaj   +1 more source

Investigating High Performance Implementations of Sparse Code Multiple Access (SCMA) Codebook Design

open access: yesJISR on Computing, 2022
- The number of mobile devices, IoT devices, and their applications is increasing day by day in recent years and further going to increase in coming years.
Halar Mustafa
doaj   +1 more source

High Reliable Uplink Transmission Methods in GEO–LEO Heterogeneous Satellite Network

open access: yesApplied Sciences, 2023
As a significant component of non-terrestrial networks, satellite communication has gradually evolved into a heterogeneous topology where the network nodes are classified as low Earth orbit (LEO) and geostationary Earth orbit (GEO) nodes. Considering the
Guoyan Li   +4 more
doaj   +1 more source

Analysis of an LSTM-based NOMA Detector Over Time Selective Nakagami-m Fading Channel Conditions

open access: yesJournal of Telecommunications and Information Technology, 2022
This work examines the efficacy of deep learning (DL) based non-orthogonal multiple access (NOMA) receivers in vehicular communications (VC). Analytical formulations for the outage probability (OP), symbol error rate (SER), and ergodic sum rate for the ...
Ravi Shankar   +5 more
doaj   +1 more source

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