Chaos based frequency modulation for joint monostatic and bistatic radar-communication systems

CS Pappu, AN Beal, BC Flores - Remote Sensing, 2021 - mdpi.com
In this article, we propose the utilization of chaos-based frequency modulated (CBFM)
waveforms for joint monostatic and bistatic radar-communication systems. Short-duration …

[HTML][HTML] Measuring received signal strength of UWB chaotic radio pulses for ranging and positioning

EV Efremova, LV Kuzmin, VV Itskov - Electronics, 2023 - mdpi.com
The use of ultra-wideband (UWB) signals for local positioning is very attractive for practice,
because such signals have the potential to provide centimeter precision. In this paper, we …

Quasi-FM waveform using chaotic oscillator for joint radar and communication systems

CS Pappu, TL Carroll - Chaos, Solitons & Fractals, 2021 - Elsevier
The authors propose a novel signal design for generating wideband quasi-Frequency
Modulated (FM) waveforms using chaotic systems. The receiver is based on a self …

Integrated radar-communication systems based on chaotic shape-forming filter

HP Ren, YY Cao, C Bai - TENCON 2022-2022 IEEE Region 10 …, 2022 - ieeexplore.ieee.org
The integrated design scheme of radar-communication systems based on chaotic shape-
forming filter is proposed in this paper. At the communication receiver, the proposed method …

A low-cost modified energy detection-based spectrum sensing algorithm with GNU radio for cognitive radio

D Baker, AN Beal, L Joiner, TM Syed - SoutheastCon 2023, 2023 - ieeexplore.ieee.org
Spectral efficiency persists as an issue with the increasing demand for interconnectivity and
applications involving IoT. In this work, we present a low cost, modified energy detection …

[HTML][HTML] Extracting communication, ranging and test waveforms with regularized timing from the chaotic Lorenz system

AN Beal - Signals, 2023 - mdpi.com
We present an algorithm for extracting basis functions from the chaotic Lorenz system along
with timing and bit-sequence statistics. Previous work focused on modifying Lorenz …

Drastically reduced sensor hardware for solvable chaos‐based sonar

TM Syed, CS Pappu, AN Beal - Electronics Letters, 2022 - Wiley Online Library
An acoustic ranging demonstration is presented in a reflective environment using solvable
chaos with novel and practical hardware advances. Previously, solvable chaos was …

Synchronizing solvable chaotic oscillators

TM Syed, DR Oh, AN Beal - SoutheastCon 2021, 2021 - ieeexplore.ieee.org
We present the synchronization of two chaotic systems. These systems consist of solvable
chaotic oscillator circuits operating at 10kHz with similar parameters. Although many chaotic …

Chaotic pulse-sha** filter based on root-raised-cosine division

X Tian, Z Wang, Q Huang - Entropy, 2023 - mdpi.com
Chaotic baseband wireless communication system (CBWCS) suffers bit error rate (BER)
degradation due to their intrinsic intersymbol interference (ISI). To this end, an ISI-free …

Solvable chaos as a tool for evaluating wideband delay cells in matched filters

TM Syed, AN Beal, L Joiner - 2020 27th IEEE International …, 2020 - ieeexplore.ieee.org
We show the development of a wideband delay guided by the closed-form, analytic solution
of a solvable chaotic oscillator. This delay serves as a crucial component in the design of a …