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Explore the innovative Wifibroadcast technology in this 42-minute conference talk from the 36C3 event. Learn how to transform standard WiFi dongles into digital broadcast transmitters capable of transmitting HD drone video with guaranteed latency over distances of tens of kilometers. Discover the necessary modifications to firmware and kernel, the implementation of forward error correction, and software diversity techniques to enhance reliability. Understand the advantages of Wifibroadcast over standard WiFi for drone video transmission, including guaranteed latency, no association requirements, multiple receiver compatibility, and true unidirectional communication. Delve into the technical details of the Wifibroadcast protocol, firmware and driver changes, and see a real-world application of HD video transmission over long distances. Gain insights into this open-source project and its potential applications in digital broadcasting and remote-controlled drone operations.
