Joint design of transmit waveforms for object tracking in coexisting multimodal sensing systems

Research output: Contribution to journalArticle

Abstract

We examine a multiple object tracking problem by jointly optimizing the transmit waveforms used in a multimodal system. Coexisting sensors in this system were assumed to share the same spectrum. Depending on the application, a system can include radars tracking multiple targets or multiuser wireless communications and a radar tracking both multiple messages and a target. The proposed spectral coexistence approach was based on designing all transmit waveforms to have the same time-varying phase function while optimizing desirable performance metrics. Considering the scenario of tracking a target with a pulse–Doppler radar and multiple user messages, two signaling schemes were proposed after selecting the waveform parameters to first minimize multiple access interference. The first scheme is based on system interference minimization, whereas the second scheme explores the multiobjective optimization tradeoff between system interference and object parameter estimation error. Simulations are provided to demonstrate the performance tradeoffs due to different system requirements.

Original languageEnglish (US)
Article number1753
JournalSensors (Switzerland)
Volume19
Issue number8
DOIs
StatePublished - Apr 2 2019

Fingerprint

Radar tracking
Radar
Multiple access interference
Multiobjective optimization
Parameter estimation
waveforms
tradeoffs
messages
interference
Communication
Sensors
multiple target tracking
tracking problem
multiple access
optimization
radar tracking
wireless communication
radar
requirements
sensors

Keywords

  • Multiobjective optimization
  • Multiple object tracking
  • Multiuser wireless communications
  • Pulse-Doppler radar
  • Spectrum sharing
  • Waveform design for active sensing

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Joint design of transmit waveforms for object tracking in coexisting multimodal sensing systems. / Kota, John S.; Papandreou-Suppappola, Antonia.

In: Sensors (Switzerland), Vol. 19, No. 8, 1753, 02.04.2019.

Research output: Contribution to journalArticle

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