<p>In the era of the sixth-generation (6G), the effective utilization of intelligent transportation systems and autonomous vehicles depends on the exchange of large amounts of information at ultra-wide bandwidths, minimal latency, and large reliability to ensure their security and accuracy. However, deploying Millimeter Wave and Terahertz (THz) frequencies engenders a significant blockage of signals by obstacles. There is a great deal of attention given to Intelligent Reflecting Surfaces (IRSs) to tackle this issue since they can create smart radio environments by refracting signals at high speeds and modifying propagation directions in a tremendously smart and energy-efficient manner. This technology has been considerably acknowledged due to its ease of deployment and low cost as a promising technology for improving signal strength and positioning accuracy in both ground and aerial vehicular networks. This research aims to offer a comprehensive review of existing work investigations on various IRS fields in ground-based and aerial vehicular communications. Several challenges and potential perspectives of IRS-assisted 6G vehicular networks are discussed to enhance current studies and encourage additional concepts.</p>

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Enhancing the vehicular communications with intelligent reflecting surfaces: a comprehensive survey

  • Wafa Abid,
  • Moufida Hajjaj,
  • Ridha Bouallegue

摘要

In the era of the sixth-generation (6G), the effective utilization of intelligent transportation systems and autonomous vehicles depends on the exchange of large amounts of information at ultra-wide bandwidths, minimal latency, and large reliability to ensure their security and accuracy. However, deploying Millimeter Wave and Terahertz (THz) frequencies engenders a significant blockage of signals by obstacles. There is a great deal of attention given to Intelligent Reflecting Surfaces (IRSs) to tackle this issue since they can create smart radio environments by refracting signals at high speeds and modifying propagation directions in a tremendously smart and energy-efficient manner. This technology has been considerably acknowledged due to its ease of deployment and low cost as a promising technology for improving signal strength and positioning accuracy in both ground and aerial vehicular networks. This research aims to offer a comprehensive review of existing work investigations on various IRS fields in ground-based and aerial vehicular communications. Several challenges and potential perspectives of IRS-assisted 6G vehicular networks are discussed to enhance current studies and encourage additional concepts.