5G D2D Networks: Techniques, Challenges, and Future Prospects

Rafay Ansari, Chrysostomos Chrysostomou, Syed Ali Hassan, Mohsen Guizani, Shahid Mumtaz, Jonathan Rodriguez, Jonathan Rodrigues

Research output: Contribution to journalReview articlepeer-review

272 Citations (Scopus)


The increasing number of mobile users has given impetus to the demand for high data rate proximity services. The fifth-generation (5G) wireless systems promise to improve the existing technology according to the future demands and provide a road map for reliable and resource-efficient solutions. Device-to-device (D2D) communication has been envisioned as an allied technology of 5G wireless systems for providing services that include live data and video sharing. A D2D communication technique opens new horizons of device-centric communications, i.e., exploiting direct D2D links instead of relying solely on cellular links. Offloading traffic from traditional network-centric entities to D2D network enables low computational complexity at the base station besides increasing the network capacity. However, there are several challenges associated with D2D communication. In this paper, we present a survey of the existing methodologies related to aspects such as interference management, network discovery, proximity services, and network security in D2D networks. We conclude by introducing new dimensions with regard to D2D communication and delineate aspects that require further research.
Original languageEnglish
Pages (from-to)3970 - 3984
Number of pages15
JournalIEEE Systems Journal
Early online date15 Dec 2017
Publication statusPublished - Dec 2018
Externally publishedYes


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