| 摘要(英) |
With growing mobile communications technology that machine-type communication (MTC) device have been widely used on everywhere. MTC differ from the traditional user device which is not propose on high-bandwidth networks、high throughput and low latency but on more life applications services outward to achieve concept of Internet of Things such as smart watches, smart glasses, monitoring measurement the environment, smart city, home security, remote medical care and so on. These devices have several characteristics: low cost, low power consumption, anti-latency, low data rate and a very large amount of terminal equipment.
In the current mechanism, System is unable to loading its high number of properties in a large number of access at the same time. That will inevitably impact the existing mobile network because that will cause RAN (Radio Access Network) and CN (Core Network) overloading and so on. Which lead to network congestion, high-impact and low access success rate. This research focus on the radio access network overload problems and provide of solution using D2D for collaborative data collection mechanism. Simulation results show that the proposed mechanism can improve successfully access probability and reduce the seriously collision probability when accessing the network, and solve problems of network congestion.
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| 參考文獻 |
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