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Toplam kayıt 124, listelenen: 51-60
Experimental validation of a novel RLL code for visible light communication
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)
Flicker arising in visible light communication (VLC) system is typically mitigated by run-length-limited (RLL) codes. The IEEE 802.15.7 standard proposes RLL codes according to the modulation type and data rate. In this ...
Secure and reliable IoT communications using nonorthogonal signals' superposition with dual-transmission
(Institute of Electrical and Electronics Engineers Inc., 2020)
Ensuring secure communication for internet of things (IoT) has drawn much attention because of the limitation in the use of conventional cryptographic techniques owing to the unique features of IoT devices such as low ...
On the inherent physical-layer security of receive spatial modulation systems
(Institute of Electrical and Electronics Engineers Inc., 2020)
This paper investigates the physical-layer security attained by Receive Spatial Modulation (RSM) scheme against potential eavesdroppers. The impact of the involved parameters on the bit error rate (BER) at the legitimate ...
Orthogonal frequency division multiplexing with subcarrier gap modulation
(Institute of Electrical and Electronics Engineers Inc., 2020)
A new modulation scheme called orthogonal frequency division multiplexing with subcarrier gap modulation (OFDM-SGM) is proposed. The proposed scheme embeds extra information bits by exploiting the gap between the active ...
Compressed spectrum sensing using sparse recovery convergence patterns through machine learning classification
(Institute of Electrical and Electronics Engineers Inc., 2019)
Despite the well-known success of sub-Nyquist sampling in reducing the hardware and computational costs of spectrum sensing, it still has the shortcoming of requiring a pre-determined spectrum sparsity level. This paper ...
The evaluation of FFR for interference management in coordinated hybrid terrestrial-aerial network
(Institute of Electrical and Electronics Engineers Inc., 2019)
Recent works have tried to incorporate unmanned aerial vehicle (UAV) base stations in conventional networks, however, the inter-cell interference mitigation techniques for such networks have not been studied comprehensively. ...
Analysis of oxygen absorption at 60 GHz frequency band
(Institute of Electrical and Electronics Engineers Inc., 2019)
In this paper, analysis of atmospheric attenuation due to oxygen absorption of 60 GHz band signals is presented. The analysis is based on a time-domain simulation model that incorporates medium dispersion properties. For ...
Performance analysis of user scheduling in massive MIMO with fast moving users
(Institute of Electrical and Electronics Engineers Inc., 2019)
This paper analyzes the effect of fast fading Doppler channel on user scheduling algorithms. Considering a millimeter wave (mmWave) downlink massive multiple-input multiple-output (M-MIMO) system, we adopt a two-stage ...
Dictionary learning-based beamspace channel estimation in millimeter-wave massive mimo systems with a lens antenna array
(Institute of Electrical and Electronics Engineers Inc., 2019)
Recent research considers the application of a lens antenna array in order to provide efficient beam selection in beamspace massive MIMO. Achieving the advantages of this beam selection paradigm requires efficient channel ...
Selection of waveform parameters using machine learning for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2019)
Flexibility is one of the essential requirements for future cellular communications technologies. Providing customized communications solutions for each user and service type cannot be possible without the flexibility in ...