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We propose a jointly optimal caching and routing framework (JOCAR) for a cooperative mobile edge caching network. This novel network architecture enables mobile edge servers/nodes (MENs) to collaborate in not only caching but also routing contents to users, in order to simultaneously minimize the total content-access delay for all mobile users and reduce the traffic on the backhaul network. To that end, we first formulate an access-delay minimization problem by jointly optimizing the contentdoi:10.1109/globecom38437.2019.9013745 dblp:conf/globecom/SaputraHND19 fatcat:3msmun26jvbc5cd25n4syqxj2i