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1,323 Results Found

  • Article
  • Open Access
5 Citations
3,031 Views
14 Pages

Flexible, Brain-Inspired Communication in Massive Wireless Networks

  • Bartosz Bossy,
  • Pawel Kryszkiewicz and
  • Hanna Bogucka

12 March 2020

In this paper, a new perspective of using flexible, brain-inspired, analog and digital wireless transmission in massive future networks, is presented. Inspired by the nervous impulses transmission mechanisms in the human brain which is highly energy...

  • Article
  • Open Access
33 Citations
7,519 Views
26 Pages

Performance Analysis of Massive MIMO-OFDM System Incorporated with Various Transforms for Image Communication in 5G Systems

  • Lavish Kansal,
  • Salah Berra,
  • Mohamed Mounir,
  • Rajan Miglani,
  • Rui Dinis and
  • Khaled Rabie

17 February 2022

Modern-day applications of fifth-generation (5G) and sixth-generation (6G) systems require fast, efficient, and robust transmission of multimedia information over wireless communication medium for both mobile and fixed users. The hybrid amalgamation...

  • Article
  • Open Access
3 Citations
2,707 Views
16 Pages

21 December 2020

Frequent location updates of individual Internet of Things (IoT) devices can cause several problems (e.g., signaling overhead in networks and energy depletion of IoT devices) in massive machine type communication (mMTC) systems. To alleviate these pr...

  • Article
  • Open Access
3,117 Views
12 Pages

In massive machine-type communications (mMTC) scenarios, grant-free non-orthogonal multiple access becomes crucial due to the small transmission latency, limited signaling overhead and the ability to support massive connectivity. In a multi-user dete...

  • Article
  • Open Access
2 Citations
3,522 Views
18 Pages

Filtering Methods for Efficient Dynamic Access Control in 5G Massive Machine-Type Communication Scenarios

  • Israel Leyva-Mayorga,
  • Miguel A. Rodriguez-Hernandez,
  • Vicent Pla and
  • Jorge Martinez-Bauset

One of the three main use cases of the fifth generation of mobile networks (5G) is massive machine-type communications (mMTC). The latter refers to the highly synchronized accesses to the cellular base stations from a great number of wireless devices...

  • Article
  • Open Access
4 Citations
2,448 Views
24 Pages

With the increasing demand for high data rates, low delay, and extended battery life, managing massive machine-type communication (mMTC) in the beyond 5G (B5G) context is challenging. MMTC devices, which play a role in developing the Internet of Thin...

  • Article
  • Open Access
7 Citations
3,855 Views
31 Pages

10 September 2022

In the satellite multigroup multicast communication systems based on the DVB-S2X standard, due to the limitation of the DVB-S2X frame structure, user scheduling and beamforming design have become the focus of academic research. In this work, we take...

  • Article
  • Open Access
1 Citations
1,981 Views
15 Pages

Repetition with Learning Approaches in Massive Machine Type Communications

  • Li-Sheng Chen,
  • Chih-Hsiang Ho,
  • Cheng-Chang Chen,
  • Yu-Shan Liang and
  • Sy-Yen Kuo

8 November 2022

In the 5G massive machine type communication (mMTC) scenario, user equipment with poor signal quality requires numerous repetitions to compensate for the additional signal attenuation. However, an excessive number of repetitions consumes additional w...

  • Article
  • Open Access
2 Citations
2,519 Views
16 Pages

Co-Simulation of Interconnection Between Smart Power Grid and Smart Cities Platform via Massive Machine-Type Communication

  • Luiz H. N. Rodrigues,
  • Carlos F. M. Almeida,
  • Nelson Kagan,
  • Luiz H. L. Rosa and
  • Milana L. dos Santos

1 March 2025

With the advent of Industry 5.0, the electrical sector has been endowed with intelligent devices that are propelling high penetration of distributed energy microgeneration, VPP, smart buildings, and smart plants and imposing new challenges on the sec...

  • Article
  • Open Access
8 Citations
4,484 Views
31 Pages

Is Satellite Ahead of Terrestrial in Deploying NOMA for Massive Machine-Type Communications?

  • Antonio Arcidiacono,
  • Daniele Finocchiaro,
  • Riccardo De Gaudenzi,
  • Oscar del Rio-Herrero,
  • Stefano Cioni,
  • Marco Andrenacci and
  • Riccardo Andreotti

23 June 2021

Non-orthogonal multiple access (NOMA) technologies are considered key technologies for terrestrial 5G massive machine-type communications (mMTC) applications. It is less known that NOMA techniques were pioneered about ten years ago in the satellite d...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,319 Views
21 Pages

Intelligent Random Access for Massive-Machine Type Communications in Sliced Mobile Networks

  • Bei Yang,
  • Fengsheng Wei,
  • Xiaoming She,
  • Zheng Jiang,
  • Jianchi Zhu,
  • Peng Chen and
  • Jianxiu Wang

With the emerging Internet of Things paradigm, massive Machine-Type Communication (mMTC) has been identified as one of the prominent services that enables a broad range of applications with various Quality of Service (QoS) requirements for 5G-and-bey...

  • Article
  • Open Access
1 Citations
1,833 Views
20 Pages

Ambient backscatter communication (AmBC) has been regarded as an energy- and spectrum-efficient backscatter scheme for the massive Internet of Things (IoT). However, most existing AmBC systems are non-adaptive end-to-end systems, which cannot fully a...

  • Article
  • Open Access
2 Citations
4,458 Views
23 Pages

22 October 2018

In this paper, we propose a multi-dimensional sparse-coded ambient backscatter communication (MSC-AmBC) system for long-range and high-rate massive Internet of things (IoT) networks. We utilize the characteristics of the ambient sources employing ort...

  • Article
  • Open Access
7 Citations
3,624 Views
21 Pages

Multi-User Massive MIMO System with Adaptive Antenna Grouping for Beyond 5G Communication Network

  • Shakti Raj Chopra,
  • Akhil Gupta,
  • Sudeep Tanwar,
  • Calin Ovidiu Safirescu,
  • Traian Candin Mihaltan and
  • Ravi Sharma

3 October 2022

Error-correcting codes with limited errors and higher spectral efficiency are the main concern for wireless communications. In the current situation, research is increasing daily to satisfy the growing demand for users with improved QoS. Adaptive Ant...

  • Article
  • Open Access
6 Citations
3,444 Views
13 Pages

18 October 2019

Massive machine-type communication (mMTC) is investigated as one of three typical scenes of the 5th-generation (5G) network. In this paper, we propose a 5G-enabled internet of things (IoT) in which some enhanced mobile broadband devices transmit vide...

  • Article
  • Open Access
5 Citations
3,013 Views
10 Pages

4 November 2020

In this paper, we investigate a deep learning based resource allocation scheme for massive multiple-input-multiple-output (MIMO) communication systems, where a base station (BS) with a large scale antenna array communicates with a user equipment (UE)...

  • Article
  • Open Access
15 Citations
6,185 Views
25 Pages

6 July 2018

Low-power ambient backscatter communication (AmBC) relying on radio-frequency (RF) energy harvesting is an energy-efficient solution for batteryless Internet of Things (IoT). However, ambient backscatter signals are severely faded by dyadic backscatt...

  • Perspective
  • Open Access
66 Citations
13,194 Views
22 Pages

Technology Trends for Massive MIMO towards 6G

  • Yiming Huo,
  • Xingqin Lin,
  • Boya Di,
  • Hongliang Zhang,
  • Francisco Javier Lorca Hernando,
  • Ahmet Serdar Tan,
  • Shahid Mumtaz,
  • Özlem Tuğfe Demir and
  • Kun Chen-Hu

30 June 2023

At the dawn of the next-generation wireless systems and networks, massive multiple-input multiple-output (MIMO) in combination with leading-edge technologies, methodologies, and architectures are poised to be a cornerstone technology. Capitalizing on...

  • Article
  • Open Access
18 Citations
8,282 Views
17 Pages

Performance Evaluation of Analog Beamforming with Hardware Impairments for mmW Massive MIMO Communication in an Urban Scenario

  • Sonia Gimenez,
  • Sandra Roger,
  • Paolo Baracca,
  • David Martín-Sacristán,
  • Jose F. Monserrat,
  • Volker Braun and
  • Hardy Halbauer

22 September 2016

The use of massive multiple-input multiple-output (MIMO) techniques for communication at millimeter-Wave (mmW) frequency bands has become a key enabler to meet the data rate demands of the upcoming fifth generation (5G) cellular systems. In particula...

  • Article
  • Open Access
86 Citations
10,550 Views
18 Pages

Visible light communications (VLC) is an emerging and promising concept that is capable of solving the major challenges of 5G and Internet of Things (IoT) communication systems. Moreover, due to the usage of light-emitting diodes (LEDs) in almost eve...

  • Article
  • Open Access
851 Views
17 Pages

2 September 2025

With the advancement of mobile communications, technologies based on high-element-count antenna systems—such as massive Multiple Input Multiple Output (massive MIMO)—are playing an increasingly important role in enhancing network capacity...

  • Article
  • Open Access
8 Citations
4,555 Views
13 Pages

18 September 2020

As the core technology of 5G mobile communication systems, massive multi-input multi-output (MIMO) can dramatically enhance the energy efficiency (EE), as well as the spectral efficiency (SE), which meets the requirements of new applications. Meanwhi...

  • Article
  • Open Access
2 Citations
2,879 Views
20 Pages

A Throughput and Energy Efficiency Scheme for Unlicensed Massive Machine Type Communications

  • Iran Ramezanipour,
  • Hirley Alves,
  • Pedro H. J. Nardelli and
  • Ari Pouttu

21 April 2020

In this paper, the throughput and energy efficiency of an unlicensed machine type communications network is studied. If an outage event happens in the network, there is a possibility for packet retransmission in order to obtain a lower error probabil...

  • Review
  • Open Access
59 Citations
8,879 Views
38 Pages

5 September 2022

The traditional multiple input multiple output (MIMO) systems cannot provide very high Spectral Efficiency (SE), Energy Efficiency (EE), and link reliability, which are critical to guaranteeing the desired Quality of Experience (QoE) in 5G and beyond...

  • Feature Paper
  • Review
  • Open Access
99 Citations
13,610 Views
16 Pages

Physical Layer Key Generation in 5G and Beyond Wireless Communications: Challenges and Opportunities

  • Guyue Li,
  • Chen Sun,
  • Junqing Zhang,
  • Eduard Jorswieck,
  • Bin Xiao and
  • Aiqun Hu

15 May 2019

The fifth generation (5G) and beyond wireless communications will transform many exciting applications and trigger massive data connections with private, confidential, and sensitive information. The security of wireless communications is conventional...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,160 Views
21 Pages

12 September 2023

This paper develops and optimizes a non-orthogonal and noncoherent multi-user massive single-input multiple-output (SIMO) framework, with the objective of enabling scalable ultra-reliable low-latency communications (sURLLC) in Beyond-5G (B5G)/6G wire...

  • Review
  • Open Access
1 Citations
3,704 Views
25 Pages

Opportunistic Large Array Propagation Models: A Comprehensive Survey

  • Farhan Nawaz,
  • Hemant Kumar,
  • Syed Ali Hassan and
  • Haejoon Jung

19 June 2021

Enabled by the fifth-generation (5G) and beyond 5G communications, large-scale deployments of Internet-of-Things (IoT) networks are expected in various application fields to handle massive machine-type communication (mMTC) services. Device-to-device...

  • Review
  • Open Access
42 Citations
6,857 Views
30 Pages

27 February 2023

To build intelligent model learning in conventional architecture, the local data are required to be transmitted toward the cloud server, which causes heavy backhaul congestion, leakage of personalization, and insufficient use of network resources. To...

  • Article
  • Open Access
24 Citations
4,854 Views
15 Pages

28 March 2020

Massive multiple-input multiple-output (M-MIMO) is a substantial pillar in fifth generation (5G) mobile communication systems. Although the maximum likelihood (ML) detector attains the optimum performance, it has an exponential complexity. Linear det...

  • Article
  • Open Access
23 Citations
6,319 Views
16 Pages

9 January 2017

Massive multiple-input multiple-output (massive-MIMO) is foreseen as a potential technology for future 5G cellular communication networks due to its substantial benefits in terms of increased spectral and energy efficiency. These advantages of massiv...

  • Article
  • Open Access
20 Citations
10,779 Views
15 Pages

OFDM with Index Modulation for Asynchronous mMTC Networks

  • Seda Doğan,
  • Armed Tusha and
  • Hüseyin Arslan

21 April 2018

One of the critical missions for next-generation wireless communication systems is to fulfill the high demand for massive Machine-Type Communications (mMTC). In mMTC systems, a sporadic transmission is performed between machine users and base station...

  • Article
  • Open Access
1 Citations
2,085 Views
28 Pages

24 October 2023

Unmanned aerial vehicles (UAVs) can support low-cost, highly mobile communications while making it possible to establish dedicated terrestrial networks. To overcome the pointing error (PE) and beam misalignment of millimeter-wave large-scale multiple...

  • Article
  • Open Access
8 Citations
4,701 Views
13 Pages

9 October 2020

sMOOCs (social massive open online courses) have revealed themselves as a remarkable opportunity to foster the culture of participation and open knowledge and sustainability. Due to their communicative potential, they make it possible for participant...

  • Article
  • Open Access
7 Citations
2,501 Views
15 Pages

24 October 2023

We propose a deep learning-based cross-layer power allocation method for asymmetric cell-free massive MIMO video communication systems. The proposed cross-layer approach considers physical layer channel state information (CSI) and the application lay...

  • Article
  • Open Access
2 Citations
1,274 Views
18 Pages

This paper investigates the secure communication in the reconfigurable intelligent surface (RIS)-aided cell-free massive multiple-input multiple-output (CF-mMIMO) system in the presence of an eavesdropper (Eve). Since the RIS can only reflect the inc...

  • Article
  • Open Access
1,148 Views
17 Pages

Terahertz (THz) communication is regarded as a promising technology for future 6G networks because of its advances in providing a bandwidth that is orders of magnitude wider than current wireless networks. However, the large bandwidth and the large n...

  • Article
  • Open Access
1 Citations
941 Views
17 Pages

Swarm-based unmanned aerial vehicle (UAV) systems offer enhanced spatial coverage, collaborative intelligence, and mission scalability for various applications, including environmental monitoring and emergency response. However, their onboard process...

  • Article
  • Open Access
12 Citations
5,320 Views
16 Pages

An Efficient Precoding Algorithm for mmWave Massive MIMO Systems

  • Imran Khan,
  • Shagufta Henna,
  • Nasreen Anjum,
  • Aduwati Sali,
  • Jonathan Rodrigues,
  • Yousaf Khan,
  • Muhammad Irfan Khattak and
  • Farhan Altaf

2 September 2019

Symmetrical precoding and algorithms play a vital role in the field of wireless communications and cellular networks. This paper proposed a low-complexity hybrid precoding algorithm for mmWave massive multiple-input multiple-output (MIMO) systems. Th...

  • Article
  • Open Access
11 Citations
4,465 Views
15 Pages

Terahertz (THz) band communications are considered a crucial technology to support future applications, such as ultra-high bit rate wireless local area networks, in the next generation of wireless communication systems. In this work, we consider an u...

  • Review
  • Open Access
37 Citations
13,949 Views
30 Pages

We describe self-organizing network (SON) concepts and architectures and their potential to play a central role in 5G deployment and next-generation networks. Our focus is on the basic SON use case applied to radio access networks (RAN), which is sel...

  • Article
  • Open Access
2,260 Views
20 Pages

23 February 2024

Industry 4.0, with its focus on flexibility and customizability, is pushing in the direction of wireless communication in future smart factories, in particular, massive multiple-input-multiple-output (MIMO) and its future evolution of large intellige...

  • Article
  • Open Access
4 Citations
2,107 Views
16 Pages

Sensing and Secure NOMA-Assisted mMTC Wireless Networks

  • Urvashi Chaudhary,
  • Mohammad Furqan Ali,
  • Samikkannu Rajkumar and
  • Dushantha Nalin K. Jayakody

Throughout this study, a novel network model for massive machine-type communications (mMTC) is proposed using a compressive sensing (CS) algorithm and a non-orthogonal multiple access (NOMA) scheme. Further, physical-layer security (PLS) is applied i...

  • Article
  • Open Access
38 Citations
10,187 Views
13 Pages

Hybrid Beamforming in Massive MIMO for Next-Generation Communication Technology

  • Shahid Hamid,
  • Shakti Raj Chopra,
  • Akhil Gupta,
  • Sudeep Tanwar,
  • Bogdan Cristian Florea,
  • Dragos Daniel Taralunga,
  • Osama Alfarraj and
  • Ahmed M. Shehata

21 August 2023

Hybrid beamforming is a viable method for lowering the complexity and expense of massive multiple-input multiple-output systems while achieving high data rates on track with digital beamforming. To this end, the purpose of the research reported in th...

  • Review
  • Open Access
147 Citations
28,241 Views
29 Pages

15 March 2024

In the rapidly evolving landscape of wireless communication, each successive generation of networks has achieved significant technological leaps, profoundly transforming the way we connect and interact. From the analog simplicity of 1G to the digital...

  • Review
  • Open Access
11 Citations
6,663 Views
42 Pages

A Critical Review on Channel Modeling: Implementations, Challenges and Applications

  • Asad Saleem,
  • Xingqi Zhang,
  • Yan Xu,
  • Umar A. Albalawi and
  • Osama S. Younes

In recent years, the use of massive multiple-input multiple-output (MIMO) systems and higher frequency bands for next-generation urban rail transportation systems has emerged as an intriguing research topic due to its potential to significantly incre...

  • Article
  • Open Access
3 Citations
3,244 Views
16 Pages

28 March 2024

The management of transboundary water resources presents a complex challenge involving multiple stakeholders and countries. Negotiating a single rule for managing these resources can take years due to various factors, including political, socioeconom...

  • Article
  • Open Access
10 Citations
4,542 Views
19 Pages

18 January 2019

Sparse code multiple access (SCMA) is a promising code domain non-orthogonal multiple-access scheme which is able to support massive connectivity and grant-free transmission in future satellite-based Internet of Things (IoT) communication networks. T...

  • Article
  • Open Access
3 Citations
2,476 Views
25 Pages

Guaranteeing QoS for NOMA-Enabled URLLC Based on κμ Shadowed Fading Model

  • Jie Zeng,
  • Yuxin Song,
  • Teng Wu,
  • Tiejun Lv and
  • Shidong Zhou

14 July 2022

Sixth-generation (6G) wireless communication scenarios are complex and diverse. Small-scale fading is a key part of wireless channels and its impact on performance in scenarios with time sensitivity and 6G ultrareliable and low latency communications...

  • Editorial
  • Open Access
1,550 Views
2 Pages

1 June 2022

The growing need to interconnect sensors and devices anytime, anywhere is stimulating the design and development of innovative solutions for efficiently supporting a wide variety of applications: from simple low-duty cycle sensors for which energy ef...

  • Article
  • Open Access
15 Citations
6,706 Views
20 Pages

25 April 2019

Single-sideband (SSB) modulation through Hilbert transformation has successfully transmitted data using only half the bandwidth of the traditional scheme for the same amount of contained information. Toward this end, the four single-sideband (4-SSB)...

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