Luís, Alícia F.S.Martins, Gonçalo M.C.Caldeira, J.M.L.P.Soares, V.N.G.J.2022-03-082022-03-082022LUÍS, Alícia F.S. [et al.] (2022) - Smart lockers: approaches, challenges and opportunities. International Journal of Engineering and Advanced Technology. 11. DOI 10.35940/ijeat.C3374.02113222249-8958http://hdl.handle.net/10400.11/7920This survey focuses on the benefits of smart lockers and their potential contribution in the last mile problem. It first introduces the related concepts. Then, categorizes existing solutions and identifies the similarities and differences. Further, their strengths and limitations are discussed. Finally, it presents key challenges in the field, and discusses envisionedfuture research directions that mustbe factored in by researchers, implementers, and manufacturers to increase the acceptance of smart lockers and to improve their security.engSmart LockersParcel DeliveryIoTSurveyTutorialSecurityjournal article10.35940/ijeat.C3374.0211322