无线传感器设备硬件架构。高可用性的设计和分析

D. Selvakumar, K. Nanda, H. Pasupuleti
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引用次数: 4

摘要

无线传感器节点或终端设备或远程设备是从传感器收集信息并通过一组路由器和网关与远程位置通信的实体。可靠性、可用性、健康度的定期验证等是提高无线传感器网络系统在实际应用中的可用性的关键。以上可以通过采用各种硬件和软件设计技术、考虑因素和选项来实现,从而实现可靠和可验证的硬件/软件。本文专门讨论了高可用性的硬件设计和分析。讨论和分析了双射频、唤醒无线电、冗余可靠电源和高效的能量/电源管理、电源健康检查、动态电压和频率调节、终端设备远程编程、终端设备远程复位、系统级ESD保护、射频屏蔽、外部狗定时器和实时时钟等各个设计方面和考虑因素。我们设计的独特之处在于可靠的冗余电源和管理以及板载双射频收发器。并给出了器件的测试、表征、射频性能结果,包括EMI/EMC测试。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wireless sensor device hardware architecture — Design and analysis for high availability
Wireless sensor node or end device or mote is an entity which gathers information from the sensors and communicates to a remote location through set of routers and gateway. The reliability, availability, periodic verification of its healthiness etc. are paramount important for enhancing the usability of WSN system for practical applications. The above can be fulfilled, by adopting various hardware and software design techniques, considerations and options which enable reliable and verifiable hardware/software. This work exclusively discusses hardware design and analysis for high availability of a mote. The various design aspects and considerations such as, dual RF, wakeup radios, redundant reliable power sources and efficient energy/power management, health check of power sources, dynamic voltage and frequency scaling, remote programming of end device, remote reset of end device, system level ESD protection, RF shielding, external watch dog timer and real-time clock etc. have been discussed and analyzed. The uniqueness of our design is reliable redundant power sources and management and on-board dual RF transceivers. The testing and characterization, RF performance results of the fabricated device including EMI/EMC tests have also been presented.
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