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Yonghong Chen, Lei Xun and Shibing Zhang
In order to decrease energy consumption caused by the dense deployment of pico base stations (PBSs) in heterogeneous cellular networks (HetNets), this paper first analyzes the energy efficiency (EE) of two-tier HetNets and then proposes a method to maxim...
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Ziwei Yuan, Yanping Yang, Dong Wang and Xiaoping Ma
Low-altitude cellular-enabled Unmanned Aerial Vehicles (UAVs) provide potential supplementary platforms to assist air-to-ground cooperative communication. This paper investigates a joint safety information interaction scheme for a UAV-enabled network, wh...
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Rahat Ullah, Zubair Khalid, Fargham Sandhu, Imran Khan
Pág. 313 - 325
The growing demands for mobile broadband application services along with the scarcity of the spectrum have triggered the dense utilization of frequency resources in cellular networks. The capacity demands are coped accordingly, however at the detriment o...
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Jie Yang, Ziyu Pan, Hengfei Xu and Han Hu
Heterogeneous cellular networks (HCNs) have emerged as the primary solution for explosive data traffic. However, an increase in the number of base stations (BSs) inevitably leads to an increase in energy consumption. Energy efficiency (EE) has become a f...
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Xiaomei Xue, Zhengquan Li, Yongqiang Man, Song Xing, Yang Liu, Baolong Li and Qiong Wu
In order to reduce the computational complexity of the inverse matrix in the regularized zero-forcing (RZF) precoding algorithm, this paper expands and approximates the inverse matrix based on the truncated Kapteyn series expansion and the corresponding ...
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