WoS Q Kategorisi "Q3" Makale Koleksiyonu İçin Listeleme
Toplam kayıt 24, listelenen: 1-20
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Adaptive OFDM-IM for enhancing physical layer security and spectral efficiency of future wireless networks
(Hindawi Limited, 2018)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 ... -
Cognitive security of wireless communication systems in the physical layer
(Wiley-Hindawi, 2017)While the wireless communication systems provide the means of connectivity nearly everywhere and all the time, communication security requires more attention. Even though current efforts provide solutions to specific ... -
Cyclic feature suppression for physical layer security
(Elsevier Sciences Bv, 2017)Cyclic prefix (CP) deploying techniques such as orthogonal frequency division multiplexing (OFDM) and single carrier frequency domain equalization (SC-FDE) offer considerable advantages in terms of equalizing time dispersive ... -
E-shaped H-slotted dual band mmwave antenna for 5G technology
(MDPI AG, 2021)The aim of this work is to propose a dual band millimeter wave (mmwave) MIMO antenna system for 5G technology. In addition, the arrangement of the antenna elements in an array should be in such a manner that without using ... -
Enhancing physical layer security in AF relay-assisted multicarrier wireless transmission
(Wiley, 2018)In this paper, we study the physical layer security problem in the dual-hop orthogonal frequency division multiplexing-based wireless communication system. First, we consider a single-user single-relay system and study 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 ... -
Fading-aligned OFDM with index modulation for mMTC services
(Elsevier B.V., 2019)5th generation (5G) of wireless networking is coming with diverse use cases, such as enhanced-Mobile BroadBand (eMBB), Ultra Reliable and Low Latency Communications (URLLC), and massive Machine Type Communications (mMTC). ... -
HMRN: heat map regression network to detect and track small objects in wide-area motion imagery
(Springer Science and Business Media Deutschland GmbH, 2023)We propose HMRN, a deep heat map regression network to detect and track small moving objects in wide-area motion imagery (WAMI) by modifying a deep multi-object tracker. Object detection in WAMI images is challenging, ... -
Hybrid light field imaging for improved spatial resolution and depth range
(Springer, 2018)Light field imaging involves capturing both angular and spatial distribution of light; it enables new capabilities, such as post-capture digital refocusing, camera aperture adjustment, perspective shift, and depth estimation. ... -
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, ... -
Inter-numerology interference in OFDM-IM systems
(Wiley, 2021)In 5G and beyond communication systems, distinct numerologies can coexist to serve diverse requirements for users and applications. However, the inter-numerology interference (INI) is a main challenge that significantly ... -
Isolation improvement in UWB-MIMO antenna system using slotted stub
(MDPI, 2020)Multiple-input multiple-output (MIMO) scheme refers to the technology where more than one antenna is used for transmitting and receiving the information packets. It enhances the channel capacity without more power. The ... -
Modified U-shaped resonator as decoupling structure in MIMO antenna
(MDPI, 2020)This paper presents an isolation enhancement of two closely packed multiple-input multiple-output (MIMO) antenna system using a modified U-shaped resonator. The modified U-shaped resonator is placed between two closely ... -
NOMA for multinumerology OFDM systems
(Wiley Hindawi, 2018)Nonorthogonal multiple access (NOMA) is a promising technique which outperforms the traditional multiple access schemes in many aspects. It uses superposition coding (SC) to share the available resources among the users ... -
A novel biasing technique for low phase noise voltage controlled oscillators
(Elsevier Sci Ltd., 2018)This paper proposes a new biasing technique for LC-based voltage controlled oscillators to improve the phase noise performance while ensuring the current variations to be within an acceptable range. The proposed technique ... -
A novel high GainWideband MIMO antenna for 5G millimeter wave applications
(MDPI, 2020)A compact tree shape planar quad element Multiple Input Multiple Output (MIMO) antenna bearing a wide bandwidth for 5G communication operating in the millimeter-wave spectrum is proposed. The radiating element of the ... -
A novel sea communication topology and IP routing algorithm by using LTE and WMN in NS-3
(Wiley, 2017)This paper proposes a new heterogeneous network topology and a routing algorithm for a marine communication system involving ships and other marine vessels from a terrestrial point on the shore. Topology involves the use ... -
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 ... -
Partially overlapping filtered multitone with reconfigurable antennas in uncoordinated networks
(Elsevier Sciences Bv, 2017)Partially overlapping tones (POT) have recently been offered as a promising solution with the aim of decreasing the interference induced on the users for uncoordinated networks. Since each user causes interference on other ... -
Primary user emulation and jamming attack detection in cognitive radio via sparse coding
(Springer, 2020)Cognitive radio is an intelligent and adaptive radio that improves the utilization of the spectrum by its opportunistic sharing. However, it is inherently vulnerable to primary user emulation and jamming attacks that degrade ...