A review of energy efficiency and power control schemes in ultra-dense cell-free massive MIMO systems for sustainable 6G wireless communication

AL Imoize, HI Obakhena, FI Anyasi, SN Sur - Sustainability, 2022 - mdpi.com
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 …

A brief overview of energy efficiency resources in emerging wireless communication systems

AE Ibhaze, AL Imoize, O Okoyeigbo - Telecom, 2022 - mdpi.com
It is crucial to design new communication technologies to surmount the setbacks in RF
communication systems. A suitable energy-efficiency scheme helps evade needless energy …

Bit error rate analysis of NOMA-OFDM in 5G systems with non-linear HPA with memory

A Hilario-Tacuri, J Maldonado, M Revollo… - IEEE …, 2021 - ieeexplore.ieee.org
The orthogonal frequency division multiplexing (OFDM) and the non-orthogonal multiple
access (NOMA) scheme are presented as promising techniques to meet the requirement of …

Efficient PAPR reduction scheme for OFDM-NOMA systems based on DSI & precoding methods

R Sayyari, J Pourrostam, H Ahmadi - Physical Communication, 2021 - Elsevier
Abstract Orthogonal Frequency Division Multiplexing (OFDM)-based Non-Orthogonal
Multiple Access (NOMA) systems are one of the promising technologies to be implemented …

[HTML][HTML] New non-orthogonal transmission schemes for achieving highly efficient, reliable, and secure multi-user communications

JM Hamamreh, M Abewa… - RS Open Journal on …, 2020 - rs-ojict.pubpub.org
Next-generation wireless communication paradigms demand poperties such as high
reliability, low power consumption, and enhanced security. Also, the ever-increasing …

A comprehensive study of PAPR reduction techniques: design of DSLM-CT joint reduction technique for advanced waveform

A Kumar, M Gupta - Soft Computing, 2020 - Springer
One of the challenges in rollout of 5G is utilizing the radio communication which is not
accessible by today's radio system. To achieve a high data rate, it is necessary to make 5G …

A novel hybrid PAPR reduction technique for NOMA and FBMC system and its impact in power amplifiers

A Kumar - IETE journal of Research, 2022 - Taylor & Francis
Non-orthogonal multiple access (NOMA) and filter bank multi carrier (FBMC) based on multi-
carrier techniques are two best transmission schemes candidates for modern mobile …

Machine/deep learning based estimation and detection in OFDM communication systems with various channel imperfections

A Singh, S Saha - Wireless Networks, 2022 - Springer
Orthogonal frequency division multiplexing (OFDM), one of the most dominant technology
for fifth-generation (5G) wireless communication systems offers a high data rate with better …

Equalization and carrier frequency offset compensation for UWA-OFDM communication systems based on the discrete sine transform

K Ramadan, AS Fiky, MI Dessouky… - Digital Signal …, 2019 - Elsevier
Abstract The Zero Forcing (ZF) equalizer suffers from noise enhancement and high
complexity due to direct matrix inversion. On the other hand, the Minimum Mean Square …

A novel ant colony optimization algorithm for PAPR reduction of OFDM signals

M Hosseinzadeh Aghdam… - International Journal of …, 2021 - Wiley Online Library
The high peak‐to‐average power ratio (PAPR) is the main challenge of orthogonal
frequency division multiplexing (OFDM) systems. Partial transmit sequence (PTS) is a useful …