Optimizing Over-The-Air Virtual Reality Broadcast Transmissions with Low-Latency Feedback

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PubDate: November 2018

Teams: NOKIA Bell Labs

Writers: Athul Prasad; Andreas Maeder; Mikko A. Uusitalo

PDF: Optimizing Over-The-Air Virtual Reality Broadcast Transmissions with Low-Latency Feedback

Abstract

Virtual reality is one of the most challenging use cases in 5G due to the need for simultaneous support for high data rates, low-latency and high-reliability. In this work, we consider a radio resource efficient mechanism for the mass delivery of such content to a multitude of users with D2D augmented 5G broadcast. Based on detailed performance evaluations conducted using 5G system setting, it is shown that the optimized mechanism can provide significant gains in terms of cell-edge user throughput and resultant spectral requirements for broadcast. The performance gains are obtained due to the ability of the system to optimize the operating point, instead of targeting the worst user which has been the traditional approach for broadcast. The proposed mechanism could be an enabler for mitigating the key challenges currently foreseen for the broadcast of such immersive content.

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