Results 21 to 30 of about 1,022 (162)

Sparse Code Multiple Access: Potentials and Challenges

IEEE Open Journal of the Communications Society, 2021
The massive connectivity is among other unprecedented requirements which are expected to be satisfied in order to follow the perpetual increase of connected devices in the era of Internet of Things.
Manel Rebhi, Kais Hassan, Kosai Raoof, Pascal Charge   +3 more
doaj   +1 more source

Enabling transmission status detection in grant‐free power domain non‐orthogonal multiple access for massive Internet of Things

Transactions on Emerging Telecommunications Technologies, Volume 33, Issue 9, September 2022., 2022
This article proposes an efficient method to detect transmission status in grant‐free non‐orthogonal multiple access, which is identified as a potential technology to support the massive Internet of Things communication. The simulation results, along with detailed mathematical analysis, demonstrate that the proposed method achieves high performance ...
Muhammad Basit Shahab, Sarah J. Johnson, Mahyar Shirvanimoghaddam, Mischa Dohler   +3 more
wiley   +1 more source

[Retracted] Design of Remote Monitoring Iot System Based on 5G and New Optical Fiber Intelligent Structure

Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022
In recent years, with the progress and development of social science and technology, remote monitoring of Internet of Things systems has attracted more and more attention. The remote monitoring system is mainly a network system with convenient layout, simple maintenance, and high security performance built on the basis of the wireless network, which ...
Lei Hu, Haichang Zhang
wiley   +1 more source

Interleaving based SCMA Codebook Design Using Arnold’s Cat Chaotic Map

Iraqi Journal of Information & Communication Technology, 2023
Non-orthogonal multiple access (NOMA) technology is a significant topic of the present 5G investigation. A possible NOMA approach is Sparse Code Multiple Access (SCMA), increasing next-generation communication's ability to handle multiple users. In SCMA,
Sura S. Mohamed, Hikmat N. Abdullah
doaj   +1 more source

Application Layer‐Forward Error Correction Raptor Q Codes in 5G Mobile Networks for Factory of the Future

Wireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
The future communication requirements for industrial automation will differ significantly from existing technologies. Traffic in Industry 4.0 imposes real‐time requirements, requiring ultra‐reliable communication (URC) with high reliability and minimal latency. The demand for ultra‐high reliability as high as 99.999999 percent and as low as 1 ms end‐to‐
Athirah Mohd Ramly, Rosdiadee Nordin, Nor Fadzilah Abdullah, Chi-Hua Chen   +3 more
wiley   +1 more source

Adaptive Modulation SCMA Codebook Design Based on Constellation Rotation

Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
Sparse Code Multiple Access (SCMA) is one of the competitive nonorthogonal multiple access (NOMA) techniques for the fifth‐generation (5G) communication system. The SCMA codebook design is particularly important for SCMA systems. However, according to the results of our investigation of as many literature as possible, there is no research on adaptive ...
Meiming Fu, Yumiao Shang, Qingyang Liu, Shuming Xu, Gang Xie, Guozeng Cui   +5 more
wiley   +1 more source

Low-Complexity Codebook Design for SCMA-Based Visible Light Communication

IEEE Open Journal of the Communications Society, 2022
Sparse code multiple access (SCMA), as a code-domain non-orthogonal multiple access (NOMA) scheme, has received considerable research attention for enabling massive connectivity in future wireless communication systems.
Saumya Chaturvedi, Dil Nashin Anwar, Vivek Ashok Bohara, Anand Srivastava, Zilong Liu   +4 more
doaj   +1 more source

Joint Task Partition and Resource Allocation for Multiuser Cooperative Mobile Edge Computing

Wireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
Exploiting the idle computation resources distributed at wireless devices (WDs) can enhance the mobile edge computing (MEC) computation performance. This paper studies a multiuser cooperative computing system consisting of one local user and multiple helpers, in which the user solicits multiple nearby WDs acting as helpers for cooperative computing. We
Gang Xie, Zhenzhen Wang, Yuanan Liu, Jun Cai   +3 more
wiley   +1 more source

Deep Learning‐Based Solutions for 5G Network and 5G‐Enabled Internet of Vehicles: Advances, Meta‐Data Analysis, and Future Direction

Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022
The advent of the 5G mobile network has brought a lot of benefits. However, it prompted new challenges on the 5G network cybersecurity defense system, resource management, energy, cache, and mobile network, therefore making the existing approaches obsolete to tackle the new challenges. As a result of that, research studies were conducted to investigate
Mubarak S. Almutairi, Akif Akgul
wiley   +1 more source

Equalization Network‐Aided SCMA Codec Scheme with Deep Learning

Wireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
With the rapid development of the Internet of Things, sparse code multiple access (SCMA), which aims to promote spectrum efficiency and support massive connectivity in the future beyond fifth‐ and sixth‐generation massive machine‐type communication (mMTC) scenarios, has been widely investigated.
Fang Jiang, Xing Huang, Shu-ping Jiang, Yi Wang, Yao-hua Xu, Tian-yu Yin, Junjuan Xia   +6 more
wiley   +1 more source