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Toplam kayıt 115, listelenen: 31-40
Infinity shell shaped mimo antenna array for mm-wave 5g applications
(MDPI AG, 2021)
In this paper, a novel single layer Multiple Input–Multiple Output (MIMO) antenna for Fifth-Generation (5G) 28 GHz frequency band applications is proposed and investigated. The proposed MIMO antenna operates in the Ka-band, ...
OFDM with subcarrier number modulation
(IEEE-Inst Electrical Electronics Engineers Inc, 2018)
A new modulation technique, named orthogonal frequency division multiplexing (OFDM) with subcarrier number modulation, is proposed for efficient data transmission. In this scheme, the information hits are conveyed by ...
On signal space diversity: An adaptive interleaver for enhancing physical layer security in frequency selective fading channels
(Elsevier Science Bv, 2017)
Signal space diversity is a powerful technique that increases reliability of detection over fading channels. In this paper, we explore the ability of this technique to provide secure communication. We enhance the security ...
Detection, identification, and direction of arrival estimation of drone FHSS signals with uniform linear antenna array
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)
Safety, security, and privacy are three critical concerns affiliated with the use of drones in everyday life. Considering their ever-shrinking sizes and capabilities, being aware of drone activities in the vicinity becomes ...
Dual-band multiple-element MIMO antenna system for next-generation smartphones
(MDPI (Multidisipliner Digital Publishing Institute), 2022)
This work presents a cost-effective multiple-element multiple-input multiple-output (MIMO) antenna system for next-generation smartphones. The proposed antenna system is developed on a 0.8 mm thin FR-4 substrate with a ...
Extended reduced-rank joint estimation of direction of arrival with mutual coupling for coherent signals
(Wiley Blackwell, 2019)
This paper proposes an extended method for direction-of-arrival (DOA) estimation with unknown mutual coupling for coherent signals. The proposed method employs the forward/backward spatial smoothing to decorrelate the ...
A spatially adaptive antenna array for mm-wave wireless channel control with microfluidics based reconfiguration
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)
Spatially adaptive antenna array (SAA) is an electronically scanned antenna array with capability of changing its physical location. This new capability allows SAA to control the wireless channel environment to increase ...
Radar-aided communication scheduling algorithm for 5G and beyond networks
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)
Radar and communication coexistence is an upcoming technology with numerous research opportunities in the medium access control (MAC) layer, particularly in scheduling and radio resource management (RRM). More efficient ...
OFDM with hybrid number and index modulation
(IEEE - Institute of Electrical and Electronics Engineers, Inc., 2020)
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 ...
Thresholds optimization for one-bit feedback multi-user scheduling
(Institute of Electrical and Electronics Engineers Inc., 2018)
We propose a new one-bit feedback scheme with scheduling decision based on the maximum expected weighted rate. We show the concavity of the 2-user case and provide the optimal solution which achieves the maximum weighted ...