期刊
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
卷 17, 期 4, 页码 1923-1940出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/COMST.2014.2375934
关键词
Device-to-device communication; LTE-A; small cells; heterogeneous networks
资金
- National Natural Science Foundation of China [61372073, 61373043, 61202394]
- Key Program of NSFC-Guangdong Union Foundation [U1135002]
Among the LTE-A communication techniques, Device-to-Device (D2D) communication which is defined to directly route data traffic between spatially closely located mobile user equipments (UEs), holds great promise in improving energy efficiency, throughput, delay, as well as spectrum efficiency. As a combination of ad-hoc and centralized communication mechanisms, D2D communication enables researchers to merge together the long-term development achievements in previously disjoint domains of ad-hoc networking and centralized networking. To help researchers to have a systematic understanding of the emerging D2D communication, we provide in this paper a comprehensive survey of available D2D related research works ranging from technical papers to experimental prototypes to standard activities, and outline some open research problems which deserve further studies.
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