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Recent years have witnessed a dramatic increase of user-generated video services. In such user-generated video services, crowdsourced live streaming (e.g., Periscope, Twitch) has significantly challenged today's content delivery infrastructure: today's edge networks (e.g., 4G, Wi-Fi) have limited uplink capacity support, making high-bitrate live streaming over such links fundamentally impossible....
We describe a scheduler for multiple servers shared among different packet-flows, where each packet-flow may be served by only a subset of available (preferred) servers. The scheduler allocates tokens to flows in a round-by-round manner, where token allocation to flows at the beginning of each round is weighted max-min fair. We present a packet scheduling scheme where when a server becomes free, it...
In the era of Internet of Things, WiFi fingerprinting based indoor positioning system (IPS) has been recognized as the most promising IPS for indoor location-based service. Fingerprinting-based algorithms critically rely on a fingerprint database built from machine learning methods, and extreme machine learning (ELM) is preferred for its fast training speed. However, traditional WiFi based IPS usually...
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