Dedicated short range communications (DSRC) for intelligent transport system
07 Aug 2006-pp 1-5
TL;DR: In an effort to develop a complete DSRC system for ITS application, the authors have studied a lot of experimental facts which they are exploiting for the design and a fixed wireless connectivity at Ku band is explored for road side base station to master switching center connectivity.
Abstract: In an effort to develop a complete DSRC system for ITS application, the authors have studied a lot of experimental facts which they are exploiting for the design. The wireless technology has been chosen properly which is capable of tackling the severe interferences present in the open road. For road to car communication, a combined digital technology like spread spectrum along with diversity reception will help a lot in this regard. Accordingly, the choice is for FHSS based space diversity system which will utilize carrier frequency around 5.8 GHz ISM band with available bandwidth of 80 MHz and no license. For efficient design, the radio channel is characterized on which the design is based. To have the full DSRC system, a fixed wireless connectivity at Ku band is also explored for road side base station to master switching center connectivity.
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21 Sep 2000
TL;DR: In this article, the authors describe the UltraWideband (UWB) Radars and differences from Common Narrowband Radars, including the compression of wideband returns from Overspread Targets.
Abstract: Preface Main Features of Ultra-Wideband (UWB) Radars and Differences from Common Narrowband Radars, Igor I. Immoreev Improved Signal Detection in UWB Radars, Igor I. Immoreev High-Resolution Ultra-Wideband Radars, Nasser J. Mohamed Ultra-Wideband Radar Receivers, James D. Taylor Compression of Wideband Returns from Overspread Targets, Benjamin C. Flores and Roberto Vasquez, Jr. The Micropower Impulse Radar, James D. Taylor and Thomas E. McEwan Ultra-Wideband Technology for Intelligent Transportation Systems, Robert B. James and Jeffrey B. Mendola Design, Performance, and Applications of a Coherent Ultra-Wideband Random Noise Radar, Ram M. Narayanan, Yi Xu, Paul D. Haffmeyer, and John O. Curtis New Power Semiconductor Devices for Generation of Nano- and Subnanosecond Pulses, Alexei F. Kardo-Sysoev Fourier Series Based Waveform Generation and Signal Processing in Ultra-Wideband Radar, Gurnam S. Gill High Resolution Step-Frequency Radar, Gurnam S. Gill The CARABAS II VHF Synthetic Aperature Radar, Lars Ulander, Hans Hellsten, and James D. Taylor Ultra-Wideband Radar Capability Demonstrations, James D. Taylor Bistatic Radar Polarimetry Theory, Anne-Laure Germond, Eric Pottier, and Joseph Saillard
422 citations
19 May 1991
TL;DR: A breadboard CDMA digital cellular system was developed by QUALCOMM and demonstrated in San Diego in November 1989 and in February 1990, an extensive technical field trial was carried out in midtown Manhattan with NYNEX Mobile.
Abstract: A breadboard CDMA digital cellular system was developed by QUALCOMM and demonstrated in San Diego in November 1989. In February 1990, an extensive technical field trial was carried out in midtown Manhattan with NYNEX Mobile. For the purposes of carrying out the CDMA trials and demonstrations, a total of three cell-site and two mobile prototype units were built. In each case, the demonstration system utilized two actual cell sites and one mobile and included A/B comparisons with the commercial analog system. The fundamental features of CDMA, such as power control and soft handoff, were tested and proven in a variety of field conditions. The authors describe the CDMA signal and waveform design, the CDMA system design, CDMA power control, and additional features of CDMA. >
372 citations
"Dedicated short range communication..." refers background in this paper
...W-CDMA, CDMA2000, MC-CDMA and MIMO CDMA [3],[4] are the different versions of same technology....
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TL;DR: This book discusses DIGITAL COMMUNICATION SYSTEMS, the philosophy and design of which are at the heart of the modern digital communications system, and its applications, as well as other topics.
Abstract: DIGITAL COMMUNICATION ADVANTAGES AND DISADVANTAGES TOTALECER. INTRODUCTION TO DIGITAL COMMUNICATIONS DIGITAL. INTRODUCTION TO EECS II DIGITAL COMMUNICATION SYSTEMS. PRINCIPLES OF DIGITAL COMMUNICATION SHARIF UNIVERSITY OF. SIMON S HAYKIN DIGITAL COMMUNICATION SYSTEMS WILEY 2013. DIGITAL COMMUNICATION SYSTEMS. DIGITAL COMMUNICATION SYSTEMS NPTEL. DIGITAL COMMUNICATION SYSTEM MODULATION BANDWIDTH. DIGITAL COMMUNICATION SYSTEMS FREE EBOOKS DOWNLOAD. COMMUNICATION SYSTEMS ANALOG VS DIGITAL WIKIBOOKS OPEN. DIGITAL COMMUNICATION SYSTEMS WILEY COM. COMMUNICATION SYSTEMS II. DIGITAL COMMUNICATION DEFINITION OF DIGITAL. MODERN DIGITAL AND ANALOG COMMUNICATION THE AMAZON COM. DIGITAL COMMUNICATION SYSTEMS MCQ SERIES. DIGITAL COMMUNICATIONS FUNDAMENTALS AND APPLICATIONS. DIGITAL COMMUNICATION SYSTEMS 1ST EDITION AMAZON COM. DIGITAL COMMUNICATIONS SYSTEMS MASTER’S DEGREE. DIGITAL COMMUNICATION SYSTEM SLIDESHARE. DIGITAL COMMUNICATION SYSTEMS GOOGLE BOOKS. ANALOG AND DIGITAL COMMUNICATION SYSTEMS BY MARTIN S RODEN. WILEY DIGITAL COMMUNICATION SYSTEMS 1ST EDITION SIMON. DIGITAL COMMUNICATION SYSTEM MANAGEMENT STUDY GUIDE. DIGITAL MODULATION IN COMMUNICATIONS SYSTEMS – AN INTRODUCTION. DATA TRANSMISSION WIKIPEDIA. DIGITAL COMMUNICATION SYSTEMS EBOOK BY SIMON HAYKIN. DESIGN OF A DIGITAL COMMUNICATION SYSTEM SIGNAL PROCESSING. DIGITAL COMMUNICATIONS J S CHITODE GOOGLE BOOKS. INTRODUCTIONTOCOMMUNICATIONSYSTEMS UC SANTA BARBARA. INTRODUCTION TO DIGITAL COMMUNICATION MIT OPENCOURSEWARE. INTRODUCTION TO DIGITAL COMMUNICATIONS SYSTEM. DCSL DIGITAL COMMUNICATION SYSTEMS LIMITED. TYPES OF DIGITAL COMMUNICATION TECHWALLA COM. TELECOMMUNICATION WIKIPEDIA. DIGITAL COMMUNICATION SYSTEMS UNIVERSITY OF OTTAWA. DIGITAL COMMUNICATION BY SIMON HAYKIN PDF 4ED TOTALECER. FUNDAMENTALS OF DIGITAL COMMUNICATIONS SYSTEMS 1 1. COMMUNICATION SYSTEMS ADVANTAGES OF DIGITAL TRANSMISSION. 3 INTRODUCTION TO DIGITAL COMMUNICATION SYSTEMS YOUTUBE. DIGITAL COMMUNICATION SYSTEMS SLIDESHARE. THEORY AND DESIGN OF DIGITAL COMMUNICATION SYSTEMS. ELEMENTS OF A DIGITAL COMMUNICATION SYSTEM. DIGITAL COMMUNICATION SYSTEMS UOTECHNOLOGY EDU IQ. ELEMENTS OF DIGITAL COMMUNICATION SYSTEMS. DIGITAL AND ANALOG COMMUNICATION SYSTEMS. DIGITAL AMP ANALOG COMMUNICATION SYSTEMS 8TH EDITION PDF. DIGITAL COMMUNICATION SYSTEM QUESTIONS AND ANSWERS. DIGITAL COMMUNICATIONS TRAINING SYSTEMS LAB VOLT. DIGITAL COMMUNICATION TUTORIAL. EE2EE2 4 COMMUNICATION SYSTEMS4 COMMUNICATION SYSTEMS
82 citations
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TL;DR: In this article, a prototype of the ultrawideband (UWB) radar has been developed by Russian UWB group researchers at the Moscow Aviation Institute at "analog and digital radio systems" department (www.uwbgroup.ru).
Abstract: Here, we present a description of a block scheme, characteristics, specific features of design and results of testing for a prototype of the ultrawideband (UWB) radar, which has been developed by Russian UWB group researchers at Moscow Aviation Institute at "analog and digital radio systems" department (www.uwbgroup.ru). The prototype was designed within a research work, which we are conducting on the state order from one of Russian federation state institutions. The UWB radar is intended for detection of moving targets at a distance of several kilometers. The radar design is divided into two stages. In the first stage, we have produced a radar prototype, which incorporates a low power narrow-pulse generator (NPG). During laboratory test, the prototype has afforded the detection of moving targets at the distance of up to one hundred meters. Thereby, the validity of technical solutions used for the whole radar's and radar unit's design was confirmed. In the second stage, we plan to conduct field tests of the radar prototype equipped with a high power NPG.
40 citations
"Dedicated short range communication..." refers background in this paper
...DSRC is different from other mobile communications systems, and has the feature that, within a limited area, it can transmit large volumes of data accurately and reliably [2]....
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