Soft-decision error control for H.F. data transmission

Simulation of Frequency Selective Rayleigh Faded Hf Channel for Data Transmission Using Decision Feed Back Equalizer

Communication using the High Frequency (HF) band has been a primary means of beyond line of sight communication. Despite the advent of several other kinds of transmitting media it continues to be used extensively owing to the fact that it is economical and flexible. The use of a channel simulator for evaluating the performance of a data transmission system offers several advantages. The HF chan...

Error control for wireless progressive video transmission

We present and compare several video transmission systems with various feedback and coding strategies for wireless real-time transmission. A channel coding system based on high-memory convolutional codes (CCs) is deployed which aims on delaying the first error within a progressively coded data frame as far as possible. A low-rate feedback channel is introduced to communicate the number of error...

Soft-decision Forward Error Correction for Coherent Super-channels

Statistical Analysis of Two-lane Roundabout Data for Traffic Control Decision-Making in an Urban Area

Researches using existing statistics and data collected from the area of study help officials at decision-making, to improve the region's problems, like the problem of the high rate of accidents in the region, despite the low volume of daily service. The uses of roundabouts in many parts of the world have many advantages over intersections, amongst them are increased safety and capacity and red...

Digitally Driven Antenna for HF Transmission Report

searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggesstions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Hi...