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In this paper, we introduce distributed caching of videos at the base stations of the Radio Access Network (RAN) to significantly improve the video capacity and user experience of mobile networks. To ensure effectiveness of the massively distributed but relatively small-sized RAN caches, unlike Internet content delivery networks (CDNs) that can store millions of videos in a relatively few large-sized...
Adaptive Bit Rate Streaming (ABR) has become a popular video delivery technique, credited to improving the quality of delivered video on wireless networks. At the same time, recent research has shown video caching in the Radio Access Network (RAN) can be a promising way to increase capacity of the network while reducing video latency and improving video quality of experience. In this work, we investigate...
We had introduced video caching techniques in the Radio Access Network (RAN) in [1] as a way to reduce the need to bring requested videos from Internet CDNs, thus reducing overall backhaul traffic, improving video quality of experience and increasing network capacity to support more simultaneous video requests. In this paper, we investigate supplementing the resulting wireless cloud with a hierarchical...
In this paper, we introduce distributed caching of videos at the base-stations of the Radio Access Network (RAN) as a way to reduce the need to bring requested videos from Internet CDNs, thereby reducing backhaul transmission, improving video quality of experience — delay and video stalling — and increasing overall network capacity to support more number of simultaneous video requests. Unlike Internet...
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