2016/09/01 by Dong Liu, Binqiang Chen, Chenyang Yang +1 · 1 citation
Computer Science · Engineering · #Base station #Boosting (machine learning) #Cache #Caching and Content Delivery #Channel (broadcasting) #Computer network #Computer science #Computer security #Cooperative Communication and Network Coding #Distributed computing #Efficient energy use #Energy consumption #Enhanced Data Rates for GSM Evolution #Green IT and Sustainability #Key (lock) #Popularity #Spectral efficiency #Telecommunications #Wireless #Wireless network #cs.NI
paper · pdf · doi:10.1109/mcom.2016.7565183
Published in IEEE Communications Magazine
openalex publication_date 2016/09/01 · arxiv created 2018/10/31 · arxiv updated 2018/11/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Caching at the wireless edge is a promising way to boost spectral efficiency and reduce energy consumption of wireless systems. These improvements are rooted in the fact that popular contents are reused, asynchronously, by many users. In this article we first introduce methods to predict the popularity distributions and user preferences, and the impact of erroneous information. We then discuss the two aspects of caching systems, content placement and delivery. We expound the key differences between wired and wireless caching, and outline the differences in the system arising from where the caching takes place (e.g., at base stations or on the wireless devices themselves). Special attention is paid to the essential limitations in wireless caching, and possible trade-offs between spectral efficiency, energy efficiency, and cache size.