{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T17:40:14Z","timestamp":1785606014239,"version":"3.56.0"},"reference-count":46,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"8","license":[{"start":{"date-parts":[[2021,8,1]],"date-time":"2021-08-01T00:00:00Z","timestamp":1627776000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,8,1]],"date-time":"2021-08-01T00:00:00Z","timestamp":1627776000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,8,1]],"date-time":"2021-08-01T00:00:00Z","timestamp":1627776000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2019YFB1802803"],"award-info":[{"award-number":["2019YFB1802803"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61801011"],"award-info":[{"award-number":["61801011"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61902036"],"award-info":[{"award-number":["61902036"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004826","name":"Beijing Municipal Natural Science Foundation","doi-asserted-by":"publisher","award":["L192028"],"award-info":[{"award-number":["L192028"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["50100002020129001"],"award-info":[{"award-number":["50100002020129001"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Wireless Commun."],"published-print":{"date-parts":[[2021,8]]},"DOI":"10.1109\/twc.2021.3067002","type":"journal-article","created":{"date-parts":[[2021,3,25]],"date-time":"2021-03-25T20:30:43Z","timestamp":1616704243000},"page":"5329-5342","source":"Crossref","is-referenced-by-count":57,"title":["AoI-Delay Tradeoff in Mobile Edge Caching With Freshness-Aware Content Refreshing"],"prefix":"10.1109","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0978-3414","authenticated-orcid":false,"given":"Shan","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liudi","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6807-512X","authenticated-orcid":false,"given":"Hongbin","family":"Luo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5742-8890","authenticated-orcid":false,"given":"Xiao","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0651-0071","authenticated-orcid":false,"given":"Sheng","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1109\/ISIT.2018.8437927"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/ISIT.2017.8006506"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2931538"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2960346"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/ISIT.2016.7541764"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2012.6195689"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/ISIT.2017.8006505"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/ALLERTON.2016.7852321"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2963667"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.001.1900279"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2017.1700147"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.3037144"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2019.2951169"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2014.6736753"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/TII.2019.2949347"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1007\/BF01299650"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/SAHCN.2011.5984917"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2017.2724547"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2018.2805893"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TMM.2018.2870521"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2016.2582689"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2020.2967038"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TCC.2019.2903240"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/TNET.2013.2294111"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2018.2803816"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/MNET.011.2000020"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2016.2636139"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2019.2906789"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2018.2864425"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2018.2859936"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2014.6871674"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/OJVT.2020.2965100"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/GLOBECOM38437.2019.9013913"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1145\/1298306.1298310"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2016.2549398"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2010.133"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM41043.2020.9155455"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2017.2780834"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2011.100411.100541"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2940667"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2020.3025201"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2940676"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2013.071613.122092"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2016.7510808"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2016.2520244"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/INFOCOM.2015.7218613"}],"container-title":["IEEE Transactions on Wireless Communications"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/7693\/9511548\/09387141.pdf?arnumber=9387141","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:52:09Z","timestamp":1652194329000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9387141\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,8]]},"references-count":46,"journal-issue":{"issue":"8"},"URL":"https:\/\/doi.org\/10.1109\/twc.2021.3067002","relation":{},"ISSN":["1536-1276","1558-2248"],"issn-type":[{"value":"1536-1276","type":"print"},{"value":"1558-2248","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,8]]}}}