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Toplam kayıt 209, listelenen: 201-209
Sparsifying dictionary learning for beamspace channel representation and estimation in millimeter-wave massive MIMO
(Institute of Electrical and Electronics Engineers Inc., 2023)
Millimeter-wave (mmWave) massive multiple-input-multiple-output (mMIMO) is reported as a key enabler in fifth-generation communication and beyond. It is customary to use a lens antenna array to transform a mmWave mMIMO ...
Predicting path loss distributions of a wireless communication system for multiple base station altitudes from satellite images
(IEEE Computer Society, 2022)
It is expected that unmanned aerial vehicles (UAVs) will play a vital role in future communication systems. Optimum positioning of UAVs, serving as base stations, can be done through extensive field measurements or ray ...
PLS-IoT enhancement against eavesdropping via spatially distributed constellation obfuscation
(Institute of Electrical and Electronics Engineers Inc., 2023)
Wireless communication has become a ubiquitous facet of modern-day life. With the advent of Internet of Things (IoT) and massive machine-type connectivity, the number of devices is expected to increase even more. However, ...
Side-edge dual-band MIMO antenna system for 5G cellular devices
(Elsevier GmbH, 2024)
An eight-element multiple-input multiple-output (MIMO) antenna system is presented for two distinct 5G allocated bands, i.e., 3.5 and 5.2 GHz. The MIMO radiating elements are printed on each side of the mobile phone chassis, ...
Dual band (28/38 GHz) antenna design for 5G mmWave communication networks
(Institute of Electrical and Electronics Engineers Inc., 2023)
The goal of the 5G millimeter-wave (mmWave) technology is to outperform the earlier wireless technology generations in terms of data throughput, latency, and connection reliability. It has the potential to revolutionize ...
An X-band class-B push-pull power amplifier on a 0.25 μm SiGe-C process
(Institute of Electrical and Electronics Engineers Inc., 2023)
This paper presents design of an X-band power amplifier (PA) with Class-B push-pull configuration in 0.25-μm SiGe-C Heterojunction Bipolar Transistor (HBT) BiCMOS process. The PA consists of input balun, driver stage, ...
Sequency index modulation: A novel index modulation for delay-sequency domain waveforms
(Institute of Electrical and Electronics Engineers Inc., 2023)
In this letter, the sequency domain is introduced as a novel resource to propose a new index modulation, which is named sequency index modulation (SeIM). In SeIM, information bits are implicitly conveyed through the indices ...
Orthogonal time frequency space multiple access using index modulation
(Institute of Electrical and Electronics Engineers Inc., 2023)
Orthogonal time frequency space (OTFS) is a recent two-dimensional modulation technique utilizing delay-Doppler domain and nominated as a promising candidate waveform for beyond 5G communication systems. By leveraging both ...
Exploiting OTFS frame structure for PAPR reduction
(Institute of Electrical and Electronics Engineers Inc., 2022)
Wireless technologies have always been the cornerstone of industrial progress. However, as industrial technologies have improved and advanced services have emerged, the demands of industry have meant that wireless technologies ...