High-speed mobile networking through hybrid mmWave-camera communications

The millimeter wave spectrum (mmWave) is already a forerunner for next-generation high-speed mobile networking due to its huge bandwidth availability, capable of Gbits/sec data rates. However, due to its high frequency, mmWave communication suffers from strong wireless attenuation thus limiting range, requiring line-of-sight and large bandwidth overheads for collision avoidance to handle multiple access. Camera communications or camera VLC offers potential for long range communication due to the wide field-of-view of cameras, yet, is largely limited in data rates due to the sampling rate (frame-rate) limitations in off-the-shelf camera devices. In this paper, we propose a hybrid system architecture for mmWave-Camera communications that can provide a baseline for co-existence of the two orthogonal technologies to address their fundamental challenges. While we explore its use-case and feasibility in designing high-speed wireless local area networks and vehicular networks, we also survey open research questions that emanate in this space.

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