Results 21 to 30 of about 245,884 (263)
Towards Dual-functional Radar-Communication Systems: Optimal Waveform Design [PDF]
, 2017 We focus on a dual-functional multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single transmitter communicates with downlink cellular users and detects radar targets simultaneously.
Li, Ang +5 more
core +2 more sources
A Survey of Collocated MIMO Radar
Leida xuebao, 2022 As a novel radar system, the Multiple-Input Multiple-Output (MIMO) radar with waveform diversity has demonstrated excellent performance in several aspects, including target detection, parameter estimation, radio frequency stealth, and anti-jamming ...
Zishu HE +6 more
doaj +1 more source
Radar Constant-Modulus Waveform Design with Prior Information of the Extended Target and Clutter
Sensors, 2016 Radar waveform design is of great importance for radar system performances and has drawn considerable attention recently. Constant modulus is an important waveform design consideration, both from the point of view of hardware realization and to allow for
Wenzhen Yue +3 more
doaj +1 more source
Dynamic reconfiguration technologies based on FPGA in software defined radio system [PDF]
, 2011 Partial Reconfiguration (PR) is a method for Field Programmable Gate Array (FPGA) designs which allows multiple applications to time-share a portion of an FPGA while the rest of the device continues to operate unaffected.
Ke He +3 more
core +2 more sources
Signal and System Design for Wireless Power Transfer : Prototype, Experiment and Validation [PDF]
, 2020 A new line of research on communications and signals design for Wireless Power Transfer (WPT) has recently emerged in the communication literature. Promising signal strategies to maximize the power transfer efficiency of WPT rely on (energy) beamforming,
Clerckx, Bruno +2 more
core +2 more sources
Implementation of Pulse Radar Waveform Based on Software Radio Platform
MATEC Web of Conferences, 2015 Based on the frequency and phase modulated signal, the authors design some commonly-used pulse radar baseband waveform, such as linear frequency modulated waveform, nonlinear frequency modulated waveform, Costas waveform, Barker coding waveform and multi-
Wang Dong, Dong Jian, Xiao Shunping
doaj +1 more source
Adaptive Transmit Waveform Design
, 2021 Recent research efforts in the Anti-Submarine Warfare (ASW) community have focused on developing sonar systems that adapt to their acoustic environment, referred to as "cognitive" sonars. Cognitive active sonar systems utilize principles of the perception action cycle of cognition to leverage information gathered from earlier sensing interactions with ...
openaire +2 more sources
Multi-Target Robust Waveform Design Based on Harmonic Variance and Mutual Information
Advances in Mathematical Physics, 2020 Cognitive radar is an intelligent radar system, and adaptive waveform design is one of the core problems in cognitive radar research. In the previous studies, it is assumed that the prior information of the target is known, and the definition of target ...
Bin Wang, Shuangqi Yu
doaj +1 more source
Wirelessly Powered Backscatter Communications: Waveform Design and SNR-Energy Tradeoff [PDF]
, 2017 This paper shows that wirelessly powered backscatter communications is subject to a fundamental tradeoff between the harvested energy at the tag and the reliability of the backscatter communication, measured in terms of SNR at the reader. Assuming the RF
Clerckx, Bruno +2 more
core +2 more sources
Enhanced Hybrid TIM-TDMA to Maximize the Total Throughput With Fairness Constraints
IEEE Open Journal of the Communications SocietyThis paper addresses the problem of topological interference management (TIM) in ad hoc networks operating under a frequency-flat Rayleigh fading channel in single-input single-output (SISO). Assuming that the nodes have access to the statistical channel
David Jia +3 more
doaj +1 more source