3 papers
cs.NI2018
Distributed Cache Enabled V2X Networks: Proposals, Research Trends and Challenging Issues
Di Zhang
Nowadays, the internet of vehicles (IoV) has been evolved into the stage of vehicle to everything (V2X). However, the majority of existing work focuses on the motor-vehicles. In co…
cs.IT2015
Energy Efficient Policy for Cloud Radio Access Network
Di Zhang, Zhenyu Zhou, Keping Yu +1
Energy Efficiency (EE) is a big issue in 5th Generation Wireless Communications (5G) on condition that the number of access User Equipments (UEs) are exploding and more antennas sh…
cs.IT2015
Towards SE and EE in 5G with NOMA and Massive MIMO Technologies
Di Zhang, Zhenyu Zhou, Takuro Sato
Non-Orthogonal Multiple Access (NOMA) has been proposed to enhance the Spectrum Efficiency (SE) and cell-edge capacity. This paper considers the massive Multi-Input Multi-Output (M…