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DC (Dual Connectivity) and D2D (Device to Device) are two most promising methods to address huge traffic challenges in extreme dense network. In this paper, we investigate the researches and developments on DC and D2D in 3GPP (Third Generation Partnership Project). DC refers to the operation where some UE consumes radio resources provided by at least two different network points connected with non-ideal...
This paper studies optimization problem of materials procurement, storage in construction projects. With the thought of operations research, it designs objective function and constrained conditions for a materials procurement and storage optimization model. To testify the model, a specific project is studied. According to historical market data, it simulates the target cost while the factors such...
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