The demand for digital media services is increasing as the number of wireless subscriptions
is growing exponentially. In order to meet this growing need, mobile wireless networks have …

One of the most striking properties of the Internet is its flexibility to accommodate features it
was not conceived for. Among the most significant examples, in this survey we consider the …

We consider a basic cache network, in which a single server is connected to multiple users
via a shared bottleneck link. The server has a database of files (content). Each user has an …

This paper has the following ambitious goal: to convince the reader that content caching is
an exciting research topic for the future communication systems and networks. Caching has …

Caching is a technique to reduce peak traffic rates by prefetching popular content into
memories at the end users. Conventionally, these memories are used to deliver requested …

We consider a wireless device-to-device (D2D) network where communication is restricted
to be single-hop. Users make arbitrary requests from a finite library of files and have pre …

Replicating or caching popular content in memories distributed across the network is a
technique to reduce peak network loads. Conventionally, the main performance gain of this …

We consider a network consisting of a file server connected through a shared link to a
number of users, each equipped with a cache. Knowing the popularity distribution of the …

The delivery of video content is expected to gain huge momentum, fueled by the popularity
of user-generated clips, growth of VoD libraries, and wide-spread deployment of IPTV …

Caching is a promising solution to satisfy the ever-increasing demands for the multi-media
traffics. In caching networks, coded caching is a recently proposed technique that achieves …