A Novel Coordinated Edge Caching with Request Filtration in Radio Access Network

Table 2

Model notation.

Symbol	Meaning
𝑛	Number of BSs
𝑁	Number of contents
𝑐	Storage capacity of each BS
𝑥	Shared cache size at each BS
𝛼	Zipf exponent
𝜏0	The average latency of serving requests from access BS
𝜏1	The average latency of serving requests from peer BS
𝜏2	The average latency of serving requests from original server 𝑂