Advanced Search Results For "Jehad M. Hamamreh"
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Artificially Time-Varying Differential MIMO for Achieving Practical Physical Layer Security
Publication Type: Academic Journal
Source(s): IEEE Open Journal of the Communications Society, Vol 2, Pp 2180-2194 (2021)
Abstract: In this paper, we propose a differential multiple-input multiple-output (MIMO) scheme based on the novel concept of chaos-based time-varying unitary matrices to demonstrate—for the first time in the literature—the ability of differential encoding in ac...
OFDM With Hybrid Number and Index Modulation
Publication Type: Academic Journal
Source(s): IEEE Access, Vol 8, Pp 55042-55053 (2020)
Abstract: A novel transmission scheme is introduced for efficient data transmission by conveying additional information bits through jointly changing the index and number of active subcarriers within each orthogonal frequency division multiplexing (OFDM) subbloc...
Modulation Options for OFDM-Based Waveforms: Classification, Comparison, and Future Directions
Publication Type: Academic Journal
Source(s): IEEE Access, Vol 7, Pp 17263-17278 (2019)
Abstract: This paper provides a comparative study on the performance of different modulation options for orthogonal frequency division multiplexing (OFDM) in terms of their spectral efficiency, reliability, peak-to-average power ratio, power efficiency, out-of-b...
CP-Less OFDM With Alignment Signals for Enhancing Spectral Efficiency, Reducing Latency, and Improving PHY Security of 5G Services
Publication Type: Academic Journal
Source(s): IEEE Access, Vol 6, Pp 63649-63663 (2018)
Abstract: Although orthogonal frequency-division multiplexing (OFDM) is a widely accepted waveform in many standards and is expected to keep its dominance in future 5G systems with various types of parameterized waveforms, its performance in terms of spectral ef...
OFDM-Subcarrier Index Selection for Enhancing Security and Reliability of 5G URLLC Services
Publication Type: Academic Journal
Source(s): IEEE Access, Vol 5, Pp 25863-25875 (2017)
Abstract: An efficient physical layer security technique, referred to as OFDM with subcarrier index selection (OFDM-SIS), is proposed for safeguarding the transmission of OFDM-based waveforms against eavesdropping in 5G and beyond wireless networks. This is achi...
Adaptive OFDM-IM for Enhancing Physical Layer Security and Spectral Efficiency of Future Wireless Networks
Publication Type: Academic Journal
Source(s): Wireless Communications and Mobile Computing, Vol 2018 (2018)
Abstract: In this paper, we propose algorithms for enhancing physical layer security and spectral efficiency of Orthogonal Frequency Division Multiplexing (OFDM) with Index Modulation (IM) systems. Particularly, different activation ratios and/or Constellation M...
A novel interference signal superposition algorithm for providing secrecy to subcarrier number modulation‐based orthogonal frequency division multiplexing systems.
Publication Type: Periodical
Source(s): Transactions on Emerging Telecommunications Technologies; Jan2023, Vol. 34 Issue 1, p1-25, 25p
Adaptive OFDM-IM for Enhancing Physical Layer Security and Spectral Efficiency of Future Wireless Networks.
Publication Type: Academic Journal
Source(s): Wireless Communications & Mobile Computing. 8/15/2018, p1-16. 16p.
Abstract: In this paper, we propose algorithms for enhancing physical layer security and spectral efficiency of Orthogonal Frequency Division Multiplexing (OFDM) with Index Modulation (IM) systems. Particularly, different activation ratios and/or Constellation M...
New Physical Layer Key Generation Dimensions: Subcarrier Indices/Positions-Based Key Generation.
Publication Type: Academic Journal
Source(s): IEEE Communications Letters; Jan2021, Vol. 25 Issue 1, p59-63, 5p
Abstract: Copyright of IEEE Communications Letters is the property of IEEE and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or em...
Classifications and Applications of Physical Layer Security Techniques for Confidentiality: A Comprehensive Survey.
Publication Type: Academic Journal
Source(s): IEEE Communications Surveys & Tutorials; Q2 2019, Vol. 21 Issue 2, p1773-1828, 56p