Dr. Brian M. Sadler
at US Army Research Lab
SPIE Involvement:
Conference Program Committee | Author | Instructor
Publications (32)

PROCEEDINGS ARTICLE | September 7, 2016
Proc. SPIE. 9954, Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems
KEYWORDS: Transmitters, Mirrors, Light emitting diodes, Imaging systems, Cameras, Receivers, Robots, Local area networks, Wireless communications, Combined lens-mirror systems

Proc. SPIE. 9484, Compressive Sensing IV
KEYWORDS: Prisms, Image compression, Polarization, Imaging systems, Sensors, Polarizers, CCD cameras, Sensing systems, Charge-coupled devices, Compressed sensing

Proc. SPIE. 9354, Free-Space Laser Communication and Atmospheric Propagation XXVII
KEYWORDS: Mirrors, Light emitting diodes, Cameras, Telecommunications, Free space optics, Optical alignment, Wireless communications, RF communications, Free space optical communications, Channel projecting optics

Proc. SPIE. 9224, Laser Communication and Propagation through the Atmosphere and Oceans III
KEYWORDS: Light emitting diodes, Ultraviolet radiation, Receivers, Ultraviolet light emitting diodes, Telecommunications, Turbulence, Scintillation, Non-line-of-sight propagation, Atmospheric propagation, UV optics

Proc. SPIE. 9114, Advanced Photon Counting Techniques VIII
KEYWORDS: Transmitters, Photodetectors, Photon counting, Sensors, Ultraviolet radiation, Receivers, Time correlated photon counting, Telecommunications, Non-line-of-sight propagation, Atmospheric modeling

PROCEEDINGS ARTICLE | September 25, 2013
Proc. SPIE. 8874, Laser Communication and Propagation through the Atmosphere and Oceans II
KEYWORDS: Signal to noise ratio, Photon counting, Scattering, Signal attenuation, Ultraviolet radiation, Interference (communication), Receivers, Telecommunications, Mie scattering, Global Positioning System

Showing 5 of 32 publications
Conference Committee Involvement (7)
Defense Transformation and Net-Centric Systems 2009
14 April 2009 | Orlando, Florida, United States
Defense Transformation and Net-Centric Systems 2008
18 March 2008 | Orlando, Florida, United States
Defense Transformation and Net-Centric Systems 2007
9 April 2007 | Orlando, Florida, United States
Defense Transformation and Network-Centric Systems
17 April 2006 | Orlando (Kissimmee), Florida, United States
Defense Transformation and Network-Centric Systems
29 March 2005 | Orlando, Florida, United States
Showing 5 of 7 published special sections
Course Instructor
SC712: Energy-Constrained Sensor Networks, Aeroacoustics, and Distributed Signal Processing
This course presents the rich interplay between sensing, signal processing, and communications in energy-constrained sensor networks. The communications load in the network is highly dependent on the distributed signal processing strategy that is used for detection and estimation tasks. Decoupled design of the signal processing algorithms and communication network protocols may be drastically inefficient from the perspectives of minimizing communications bandwidth and node energy consumption. A cross-layer design approach that spans sensing, signal processing, and communications is the key to energy-constrained network design. The first half of the course presents a broad view of many aspects of communications and network topology, including a DoD perspective on current and future applications. Topics include duty cycling for energy savings, network architecture and capacity, network synchronization, node geolocation, and the interaction of the physical, MAC, and higher layers for energy saving communications. The second half of the course is focused on the specific application of an aeroacoustic sensor network used for detection, localization, classification, and tracking of acoustic sources such as vehicles. Topics include the basics of acoustic propagation, source detection, angle-of-arrival estimation, Doppler processing, and source localization. The theory is illustrated with many experimental examples. The network performance is strongly impacted by aeroacoustic propagation, and we present distributed signal processing schemes that maintain nearly globally optimal performance with significantly reduced communications load.
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