Cooperative Content Download-and-Share: Motivating D2D in Cellular Networks
作者： Luoyang Fang , Rongqing Zhang , Xiang Cheng , Jiangwen Xiao , Liuqing Yang
DOI: 10.1109/LCOMM.2017.2698477
关键词:
摘要: Device-to-device (D2D) communications is regarded as a promising technology for future cellular networks, which can significantly improve both the network spectral efficiency and individual user experience. However, lack of motivation to utilize D2D links hinders deployment in networks. We study cooperative downloading problem via communications, propose scheme, termed content download-and-share (CoCoDaS), stimulate demand by simple pricing model order offload traffic burden from base station. In CoCoDaS, users with same cooperatively download large-sized file station (BS) share their downloaded segments such each other communications. Simulations verify our proposed CoCoDaS scheme terms reduction BS’s on data services utilization
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