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In this paper, we consider a relay network consisting of a source, a relay, and a destination. The source transmits a message to the destination using hybrid automatic repeat request (HARQ) with incremental redundancy (IR). The relay overhears the transmitted messages over the different HARQ rounds and tries to decode the data packet. In case of successful(More)
In this paper, we study the performance of hybrid automatic repeat request (HARQ) with incremental redundancy over double Rayleigh channels, a common model for the fading amplitude of vehicle-to-vehicle communication systems. We investigate the performance of HARQ from an information theoretic perspective. Analytical expressions are derived for the -outage(More)
In this paper, we investigate the performance of hybrid automatic repeat request (HARQ) with incremental redundancy (IR) and with code combining (CC) from an information-theoretic perspective over a point-to-point free-space optical (FSO) system. First, we introduce new closed-form expressions for the probability density function, the cumulative(More)
In most countries, the reduction in road casualties is a top priority. The intelligent transportation system (ITS) is a national program in the U.S. aiming to improve road safety. In order to deploy the ITS, vehicle-to-vehicle (V2V) communication techniques are needed. The dedicated short range communication (DSRC) standard (ASTM, 2003) is designed for V2V(More)
In this paper, we derive a new geometrical blind bend scattering model for vehicle-toinfrastructure (V2I) communications. The proposed model takes into account single-bounce and doublebounce scattering stemming from fixed scatterers located on both sides of a curved street. Starting from the geometrical blind bend model, the exact expression of the angle of(More)