Results 31 to 40 of about 4,625,198 (299)

A Comprehensive Performance Evaluation of Universal Filtered Multi-Carrier Technique

IEEE Access, 2019
The Internet of Things (IoT) and machine-to-machine (M2M) communication will play an important role in future communications, but there is currently no ultra-reliable low-latency wireless communication theory that guides its design.
Shanlin Wei, Hui Li, Wenjie Zhang, Wei Cheng   +3 more
doaj   +1 more source

SCMA Spectral and Energy Efficiency with QoS [PDF]

GLOBECOM 2020 - 2020 IEEE Global Communications Conference, 2020
GC
Samira Jaber, Wen Chen 0001, Kunlun Wang 0001, Qingqing Wu 0001   +3 more
openaire   +2 more sources

Performance Analysis of a Full-Duplex MIMO Decode-and-Forward Relay System With Self-Energy Recycling

IEEE Access, 2020
This paper analyzes the performance of the full-duplex (FD) multiple-input-multiple-output (MIMO) decode-and-forward (DF) relay system in the presence of self-energy recycling (S-ER). Specifically, this work proposes an antenna allocation scheme for S-ER
Mohd Hamza Naim Shaikh, Vivek Ashok Bohara, Anand Srivastava   +2 more
doaj   +1 more source

Coherent Optical OFDM With Index Modulation for Long-Haul Transmission in Optical Communication Systems

IEEE Access, 2022
In this paper, it is proposed to enhance coherent optical orthogonal frequency-division multiplexing (OFDM) system by using index modulation in terms of bit error rate (BER) and spectral efficiency for different levels of the fiber nonlinearity.
Ahmet Guner
doaj   +1 more source

Comparison average spectral efficiency of MSs.

, 2022
Comparison average spectral efficiency of MSs.
Mubarak Mohammed Al Ezzi Sufyan (12557662), Waheed Ur Rehman (7300328), Abdul Rahman Al-Salehi (12557665), Qazi Ejaz Ali (7300322), Abdul Haseeb Malik (7300325), Tabinda Salam (7407254)   +5 more
core   +1 more source

Joint Processing of Pilot and Data for Massive MIMO Systems in Ricean Fading Channels

IEEE Access, 2019
Besides the pilot symbols, the received data signals also contain some extra channel state information (CSI), which can be exploited to further improve the channel estimation accuracy.
Yuanxue Xin, Pengfei Shi, Wenrui Tang, Dongming Wang, Xuewu Zhang, Xiaohu You   +5 more
doaj   +1 more source

Joint Beamforming and Phase Shifts Design for RIS-Aided Multi-User Full-Duplex Systems in Smart Cities

Sensors, 2023
Full-duplex (FD) and reconfigurable intelligent surface (RIS) are potential technologies for achieving wireless communication effectively. Therefore, in theory, the RIS-aided FD system is supposed to enhance spectral efficiency significantly for the ...
Kunbei Pan, Bin Zhou, Wei Zhang, Cheng Ju   +3 more
doaj   +1 more source

Study on Spectral Interference in the Determination of Vanadium by ICP-OES

, 2020
Vanadium is an important scarce resource and strategic metal, and often coexists with a variety of complex metals in the form of secondary mineral phases in nature.
Zhang Yi, Li Ming, Li Lan-jie, Wang Shao-na, Liu Biao, Jin Xing, Du Hao, Zhao Bei-bei   +7 more
core   +1 more source

Spectral Efficiency Considerations in 6G Networks

IEEE Open Journal of the Communications Society
As wireless connectivity continues to evolve toward 6G, the demand to efficiently deliver higher throughput, lower latency, and improved reliability increases.
Joseph Boccuzzi
doaj   +1 more source

Spectral Efficiency Improvement and Power Control Optimization of Massive MIMO Networks

IEEE Access, 2021
Higher requirements must be put forward about wireless signal transmission in harsh environments. Energy loss mitigation, channel estimation, noise interference reduction demands high quality of service in wireless communication.
Xiu Zhang, Hao Qi, Xin Zhang, Liang Han
doaj   +1 more source