Abstract: System for adaptive routing in time division multiple access-based wideband mobile adhoc network employs an enhanced OLSR-based routing protocol designed for TDMA-based mobile adhoc network to spread the link quality information and calculates adaptive routing paths based on the link quality. The system employs a signal-to-noise ratio calculation, demodulation and decoding block, link quality estimator, FIFO, link quality broadcast, network layer link state broadcast, link state table, adaptive routing, path calculation block and routing table blocks to achieve the desired results.

Abstract: The invention relates to a dual polarized wideband array antenna using orthogonal feeding technique to have a low profile and a cosecant squared beam. The array antenna includes three main parts: the element antennas, the orthogonal feeding structure and the feeding network. The spatially orthogonal feeding structure is a transition between the microstrip lines on element antennas and the striplines on the feeding network. The top layer of the feeding network operates as a ground plane for the array antenna. Due to the disparities between the stripline lengths, the phase parameters of element antennas are optimized to create a cosecant squared radiation pattern.

Abstract: Radar signal detection and parameter estimation is central in passive surveillance systems, providing inputs for many information processing modules in order to detect, localize, indentify and intercept hostile targets. The proposed method for detecting radar signals and estimating their intra-pulse parameters in time-varying noisy environments consists of several stages: magnitude-squared envelopes calculation, adaptive noise floor estimation, detection statistics calculation, rising edge detection, time of arrival estimation, falling edge detection, time of departure estimation, pulse width estimation, amplitude estimation and center frequency and bandwidth estimation. Estimated intra-pulse parameters are wrapped into pulse descriptor words (PDWs) for information processing tasks, where each PDW consists of time of arrival, time of departure, pulse width, pulse amplitude, center frequency, signal bandwidth, noise floor level and additional useful information.

Abstract: A system and method for live video streaming over tactical wireless networks based on distortion estimation using multilayer perceptron neural network (MLP). The system and method can adaptively adjust the parameters of transport and application layers according to wireless network conditions, based on video distortion estimation using MLP neural network. The system includes a video motion and detail estimation block, a redundancy and video bitrate optimizer, a MLP neural network-based video distortion estimator, and video transport blocks, a packet error rate (PER) and bandwidth measurement block.

Abstract: A system and method for live video streaming over tactical wireless networks based on distortion estimation using multilayer perceptron neural network (MLP). The system and method can adaptively adjust the parameters of transport and application layers according to wireless network conditions, based on video distortion estimation using MLP neural network. The system includes a video motion and detail estimation block, a redundancy and video bitrate optimizer, a MLP neural network-based video distortion estimator, and video transport blocks, a packet error rate (PER) and bandwidth measurement block.

Abstract: The invention relates to a dual polarized wideband array antenna using orthogonal feeding technique to have a low profile and a cosecant squared beam. The array antenna includes three main parts: the element antennas, the orthogonal feeding structure and the feeding network. The spatially orthogonal feeding structure is a transition between the microstrip lines on element antennas and the striplines on the feeding network. The top layer of the feeding network operates as a ground plane for the array antenna. Due to the disparities between the stripline lengths, the phase parameters of element antennas are optimized to create a cosecant squared radiation pattern.

Abstract: The invention relates to a low profile antenna, operating over a wide range of frequencies. The dual-polarized wideband antenna consists of: radiating elements, ground plane, metallic walls, coaxial cables, split-ring slots. The antenna is fed by coaxial cables at feed points, which are surrounded by split-ring slots. The antenna can be utilized as an element in an array to provide particular radiation pattern.

Abstract: The invention relates to a low profile antenna, operating over a wide range of frequencies. The dual-polarized wideband antenna consists of: radiating elements, ground plane, metallic walls, coaxial cables, split-ring slots. The antenna is fed by coaxial cables at feed points, which are surrounded by split-ring slots. The antenna can be utilized as an element in an array to provide particular radiation pattern.