Ara
Toplam kayıt 45, listelenen: 21-30
PSK modulation/demodulation and performance evaluation in FM band using USRP
(Institute of Electrical and Electronics Engineers Inc., 2018)
Rapid changes in the wireless systems require reconfigurability. So, an efficient and highly configurable hardware is feasible for such kind of systems. Reconfigurability in fixed hardware systems increases complexity. ...
A highly linear wide-band tunable lna for military radio applications
(Istanbul University, 2018)
A wide-band tunable Low-Noise Amplifier (LNA) was designed to be used in military radios. The LNA works in the frequency range of 30-512 MHz where military walkie-talkies operate.To cover the wide range of operating ...
Low ICI symbol boundary alignment for 5g numerology design
(Institute of Electrical and Electronics Engineers Inc., 2018)
Symbol boundary alignment, with respect to waveform selection, has an important impact on the numerology design for fifth-generation mobile applications. The current symbol boundary alignment, along with orthogonal frequency ...
Rf circuit implementation of a real-time frequency spread emulator
(IEEE-Institute of Electrical and Electronics Engineers Inc, 2018)
Despite their reliability, on-site measurements are time-consuming and costly actions for the evaluation of new devices. Channel emulators are widely utilized measurement instruments to generate desired environmental channel ...
Cp-less ofdm with alignment signals for enhancing spectral efficiency, reducing latency, and improving phy security of 5g services
(Institute of Electrical and Electronics Engineers Inc., 2018)
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 ...
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 ...
Joint optimization of device to device resource and power allocation based on genetic algorithm
(IEEE-Inst Electrical Electronics Engineers Inc, 2018)
Device-to-device (D2D) communication plays an important role in the next generation of communication systems. Enabling D2D communication decreases latency and expands the coverage of a cell in cellular networks. In addition, ...
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 ...
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 ...
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 ...