Low Density Parity Check (LDPC) codes for Dedicated Short Range Communications (DSRC) systems

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Khosroshahi_Najmeh_MAS_2011.pdf (1.68 MB)

Date

2011-08-03

Authors

Khosroshahi, Najmeh

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Abstract

In this effort, we consider the performance of a dedicated short range communication (DSRC) system for inter-vehicle communications (IVC). The DSRC standard employs convolutional codes for forward error correction (FEC). The performance of the DSRC system is evaluated in three different channels with convolutional codes, regular low density parity check (LDPC) codes and quasi-cyclic (QC) LDPC codes. In addition, we compare the complexity of these codes. It is shown that LDPC and QC-LDPC codes provide a significant improvement in performance compared to convolutional codes.

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Keywords

Distance Graph, DSRC, DSRC Channel Model, DSRC Physical Layer, DSRC Spectrum, IEEE 802.11a Physical Layer, LDPC, OFDM, Orthogonal Frequency Division Multiplexing, Quasi-Cyclic LDPC, Sum Product Algorithm, Tanner Graph, Viterbi Algorithm, WAVE, Wireless Access Vehicular Environment

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http://hdl.handle.net/1828/3436

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ETD (Electronic Theses and Dissertations)
Theses (Electrical and Computer Engineering)
 
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