Smart Lockers: Approaches, Challenges and Opportunities

This 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 envisioned future research directions that must be factored in by researchers, implementers, and manufacturers to increase the acceptance of smart lockers and to improve their security.