Results 91 to 100 of about 12,060 (177)

Improving NOMA Multi-Carrier Systems with Intentional Frequency Offsets [PDF]

, 2019
In this letter, we investigate the possible benefits of asynchrony in the frequency domain for the non-orthogonal multiple access (NOMA) schemes. Despite the common perspective that asynchrony in transmission or reception of multi-stream signals is ...
Ganji, M, Jafarkhani, H
core  

Pseudo-random Aloha for Enhanced Collision-recovery in RFID

, 2012
In this letter we motivate the need to revisit the MAC protocol used in Gen2 RFID system in order to leverage receiver structures with Collision Recovery capabilities at the PHY layer.
Castiglione, Paolo, Ricciato, Fabio
core   +1 more source

Parallel QR decomposition in LTE-A systems

, 2010
The QR Decomposition (QRD) of communication channel matrices is a fundamental prerequisite to several detection schemes in Multiple-Input Multiple-Output (MIMO) communication systems.
Aubert, Sebastien, Chang, KyungHi, Mohaisen, Manar, Nouvel, Fabienne   +3 more
core   +1 more source

Optimal Power Distribution Control for Multicode MC-CDMA with Zero-Forcing Successive Interference Cancellation

EURASIP Journal on Advances in Signal Processing, 2005
Multicarrier CDMA (MC-CDMA) has become a promising candidate for future wireless multimedia communications for its robustness to frequency-selective fading and its flexibility for handling multiple data rates.
Ibars Christian, Bar-Ness Yeheskel, Tan Mizhou   +2 more
doaj   +1 more source

Pilot Assignment for Cell Free Massive MIMO Systems: A Successive Interference Cancellation Approach

Düzce Üniversitesi Bilim ve Teknoloji Dergisi
In the contemporary era, considerable attention has been directed towards exploring cell-free massive multiple-input multiple-output (CF-M-MIMO) systems.
Osman Dikmen
doaj   +1 more source

Ergodic capacity analysis of STAR-RIS-NOMA over Nakagami-m fading channel with imperfect-CSI, inter-cell interference and SIC

Results in Engineering
Future wireless technologies must adhere to elevated requirements by providing increased data throughput, reduced latency, and enhanced flexibility. Integration of Non-Orthogonal Multiple Access (NOMA) with Reconfigurable Intelligent Surfaces (RIS) has ...
Mahesh Babu Ammisetty, Madhu Ramarakula
doaj   +1 more source

Average BER evaluation of the uplink OFDM-based NOMA system under SIC and channel estimation error

Frontiers in Communications and Networks
The non-orthogonal multiple access (NOMA) scheme has been recognized as a promising candidate for future generation wireless communication networks that require a high data rate and spectral efficiency. In order to achieve a superior spectral efficiency,
Akinbode A. Olawole, Muyiwa B. Balogun, Funmilayo B. Offiong, Enoruwa Obayiuwana, Abimbola Fisusi   +4 more
doaj   +1 more source

Optimal Beamforming for Full-Duplex Integrated Sensing, Communication, and Computation Systems

IEEE Access
This paper investigates optimal beamforming design for full-duplex (FD) Integrated Sensing, Communication, and Computation (ISCC) systems, which are envisioned as key enablers for next-generation wireless networks.
Constant Akama, Solomon Nunoo, Kyoung-Jae Lee, John Kojo Annan   +3 more
doaj   +1 more source

Fast recursive algorithm for implementation of MIMO ZF-SIC detection

Tongxin xuebao, 2012
To reduce the complexity of the zero-forcing(ZF)detection with successive interference cancellation(SIC)in a Vertical Bell Labs layered space-time(V-BLAST)systems,a computationally efficient recursive algorithm was proposed.A fast implementation of the ...
Zuo-liang YIN, Xing-peng MAO, Qin-yu ZHANG, Nai-tong ZHANG   +3 more
doaj   +2 more sources

Safe image transmission with hybrid quantum key-genetic encryption via spatial modulation assisted NOMA. [PDF]

Sci Rep
Thennavan S, Jayapalan A.
europepmc   +1 more source