Space-Time Frequency Block Codes in LTE-DSRC Hybrid Vehicular Networks

Abstract

In vehicular communication systems, Dedicated Short Range Communication (DSRC) is said to provide fast communication and high security between vehicles. Simultaneously, Long-Term Evolution (LTE) is used due to its high bandwidth, low latency, and high spectrum efficiency. The DSRC and LTE hybrid model has gained much attention as it is feasible and simpler in design and deployment. In fact, multiple-input multiple-output (MIMO) systems have been widely used in modern wireless communication systems to enhance data throughput, reliability, and coverage. This paper proposes a MIMO LTE-DSRC hybrid system using space-time frequency block codes (STFBC). This paper focuses on the physical layer performance of the LTE-DSRC hybrid uplink structure. The DSRC Orthogonal Frequency Division Multiplexing (OFDM) transmitter and LTE Single Carrier Frequency Division Multiplexing (SCFDM) receiver are used for the uplink transmission. A study on bit error rate (BER), pairwise error probability (PEP), and channel-tointerference ratio (CIR) of the 2x2 MIMO LTE-DSRC system is conducted. The numerical results show that this proposed method improves the error rate performance with a gradual increase in signal-to-noise ratio (SNR) compared to the baseline systems.

Vehicle Sensing and Localization in Vehicular Networks

“…The U.S. Federal Communications Commission (FCC) has allocated a spectrum bandwidth of 75 MHz with a frequency of 5.9 GHz for vehicular communication which is known as the Dedicated Short Range Communications (DSRCs), facilitating communication between Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) systems. Faster communication and great safety between vehicles are said to be achieved by Dedicated Short Range Communication (DSRC) (Aziz et al, 2022) In the past years, vehicular types, and layered network architecture. Section 3 introduces and reviews the in-vehicle sensor types and classifications.…”