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Inter-vehicle Communication Systems Improvement. Having Safety and Speed Synchronized, Requires The Best Possible Error Correction in Communication Systems
В наличии
Местонахождение: Алматы | Состояние экземпляра: новый |
Бумажная
версия
версия
Автор: Najmeh Khosroshahi
ISBN: 9783659393983
Год издания: 2014
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 100
Издательство: LAP LAMBERT Academic Publishing
Цена: 31889 тг
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Аннотация: The main goal of intelligent transportation systems (ITS) is to improve traffic efficiency and mobile safety. The Dedicated Short Range Communication system (DSRC) standard based inter-vehicle communications system plays a key role in ITS [1]. In October 1999, the Federal Communications Commission (FCC) allocated the frequency spectrum between 5.850 and 5.925 GHz for DSRC,which will enable vehicles to communicate with the road infrastructure,and allows for a large number of ITS applications. This provides an opportunity for automakers, government agencies, and related commercial entities to improve highway safety. However, inter-vehicle communications must operate effectively within transmit power limits and under received signal strength ?uctuations and Doppler spread. Conventionally, Convolutional coding was employed for forward error correction (FEC);however,in this book, we consider DSRC performance using Low Density Parity Check (LDPC) codes and Quasi-Cyclic (QC)-LDPC codes under different channel conditions. Results show that a QC-LDPC code provide an attractive trade off between performance and complexity, and should be considered as an alternative for DSRC systems.
Ключевые слова: LDPC, FEC, DSRC, Inter-Vehicles Communications, Information Theory, Error Correction Coding