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The objective of this work is the design of virtual instrument software system based on state machine. Through the introduction of the basic principles of it, state machine described in detail the working mechanism and its implementation in LabVIEW, combined with the a test system. With the development of practice, for the multi-state system, the nested state machine design-type thinking. Practice...
Transaction services such as payment or ticketing, but also security-sensitive services such as user identification or facility access control are increasingly executed in electronic format. With the concept of the SIM-based mobile wallet, this paper presents an integrative approach to electronic transaction services, combining the user experience of handling plastic cards with the convenience and...
This study comprehensively reviews two HFC MAC protocols: Data-Over-Cable Service Interface Specifications (DOCSIS) and IEEE 802.14a. DOCSIS was approved by the ITU as a standard and is supported by many vendors. However, IEEE 802.14a remains a draft due to the delayed standardization process. After briefly introducing the features of HFC networks, the basic operations and mechanisms of these two...
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