Enhancing the Physical Layer in V2V Communication Using OFDM – MIMO Techniques

  • Al-khalil A
  • Al-sherbaz A
  • Turner S
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Abstract

Vehicular Ad hoc network (VANET) has recently been attracting the attention of researchers as a new technology in the wireless communication system. Vehicle-to-vehicle V2V communication can be considered an important way to help the drivers to satisfy requirements such as less congestion, accident warning, road exploration, etc. The propagation issues such as multipath fading significantly affect the reliability of V2V communication. The goal of this work is to enhance the performance of the physical layer PHY in V2V communication. However, the cellular phone channel has been used to evaluate the possibility of apply it in the vehicular communication V2V. The simulation results observed that the transmitted signal is affected by a multipath fading channel. In order to overcome this problem two techniques are used: Orthogonal Frequency Division Multiplexing (OFDM) technique and Multiple-Input-MultipleOutput (MIMO) diversity technique. The simulation results showed that the OFDM technique overcomes the multipath fading with high transmission power. On the other hand, MIMO diversity technique called Alamouti Space-Time Code for two transmitters and two receivers (MIMO 2x2) is used to improve the error degradation with less transmission power.

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APA

Al-khalil, A., Al-sherbaz, A., & Turner, S. J. (2013). Enhancing the Physical Layer in V2V Communication Using OFDM – MIMO Techniques. In The 14th Annual PostGraduate Symposium on The Convergence of Telecommunications, Networking and Broadcasting (PGNET 2013). Liverpool: PGNet. Retrieved from http://www.cms.livjm.ac.uk/pgnet2013/Proceedings/papers/1569763289.pdf

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