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Toplam kayıt 64, listelenen: 31-40
Anatomical region-specific in vivo wireless communication channel characterization
(IEEE-Inst Electrical Electronics Engineers Inc, 2017)
In vivo wireless body area networks and their associated technologies are shaping the future of health-care by providing continuous health monitoring and noninvasive surgical capabilities, in addition to remote diagnostic ...
Randomized beamforming with generalized selection transmission for security enhancement in MISO wiretap channels
(IEEE-Inst Electrical Electronics Engineers Inc, 2018)
Transmit beamforming (TBF) has been proposed as an effective approach to enhance the security performance of multiple-input single-output (MISO) wiretap channels. However, this secrecy enhancement comes at some expenses, ...
Signal identification for adaptive spectrum hyperspace access in wireless communications systems
(The Institute of Electrical and Electronics Engineers (IEEE), 2014)
Technologies that will lead to adaptive, intelligent, and aware wireless communications systems are expected to offer solutions to the capacity, interference, and reliability problems of wireless networks. The spectrum ...
Joint phy/mac layer security design using arq with mrc and null-space independent papr-aware artificial noise in siso systems
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2018)
Automatic-repeat-request (ARQ) as a MAC layer mechanism and artificial noise (AN) as a physical layer mechanism along with the help of maximal ratio combining (MRC), are jointly designed to achieve secrecy. Basically, a ...
OFDM with index modulation for asynchronous mMTC networks
(MDPI, 2018)
One of the critical missions for next-generation wireless communication systems is to fulfill the high demand for massive Machine-Type Communications (mMTC). In mMTC systems, a sporadic transmission is performed between ...
Time-frequency warped waveforms
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)
The forthcoming communication systems are advancing toward improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme ...
Joint time-frequency alignment for PAPR and OOBE suppression of OFDM-based waveforms
(IEEE-Inst Electrical Electronics Engineers Inc, 2017)
Orthogonal frequency division multiplexing (OFDM) waveform has been adopted by many wireless standards due to its numerous advantages. However, OFDM symbols have two critical drawbacks: high out-of-band emission (OOBE) and ...
Guard band reduction for 5G and beyond multiple numerologies
(IEEE, 2020)
The existence of inter-numerology interference (INI) is a major drawback for the flexible multi-numerology frame structure proposed for the upcoming fifth generation New Radio (5G-NR). Insertion of a guard band (GB) between ...
Inter-numerology interference for beyond 5G
(Institute of Electrical and Electronics Engineers Inc., 2019)
Fifth generation (5G) radio access technology (RAT) is designed to flexibly serve multiple services with extremely diverse requirements. One of the steps taken toward fulfilling this vision of 5G-RAT is the introduction ...
Flexible physical layer security for joint data and pilots in future wireless networks
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)
In this work, novel physical layer security (PLS) schemes are proposed for orthogonal frequency-division multiplexing (OFDM) to secure both data and pilots in multiple-input multiple-output (MIMO) systems. The majority of ...