Use multiple omni directional tx at robot and

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Use multiple omni-directional Tx at robot and distributed Rx First MIMO measurements in the robotics lab at BMW Distributed MIMO enables robust OWC link July 2017 Nikola Serafimovski (pureLiFi) Slide 27
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doc.: IEEE 802.11-17/0962r3 Submission Industrial Wireless Results MIMO measured along robots trajectory 6 Tx at robots arm point to all directions 8 Rx at the wall of manufacturing cell General observations SNR is poor in such wide-beam setup Difficult to bridge realistic distance System design will differ from high SNR scenario typical for LC Few MHz bandwidth, SC modulation Diversity-oriented MIMO Distributed MIMO Setup July 2017 Nikola Serafimovski (pureLiFi) Slide 28
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doc.: IEEE 802.11-17/0962r3 Submission Industrial Wireless Results MIMO measured along robots trajectory Fast time variance due to blocked LOS Spatial diversity creates robust OWC link Spatial diversity overcomes blocked line-of-sight (LOS) July 2017 Nikola Serafimovski (pureLiFi) Slide 29
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doc.: IEEE 802.11-17/0962r3 Submission Use-Case: Industrial and Public/Private Premises Combination of illumination and wireless “hotspot” Downlink using visible light, uplink based on infrared Dynamic rate adaptation supports user mobility Pilot installations on the island of Mainau and in the city of Stuttgart Optical overlay for Wi-Fi: LC July 2017 Nikola Serafimovski (pureLiFi) Slide 30
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doc.: IEEE 802.11-17/0962r3 Submission Industrial and Public/Private Premises Results Aggregation of both links is the best idea for mobile access Multiple user support (P2MP) works in real-time at 1 Gb/s! Further standardization is needed to enable MP2MP operation Vertical and horizontal handover, interference management Combination of Wi-Fi and LC, multi-user support July 2017 Nikola Serafimovski (pureLiFi) Slide 31
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