Node Architecture
• The wireless sensor nodes are the central element in a wireless sensor network (WSN).
• It is through a node that sensing, processing, and communication take place.
• •It stores and executes the communication protocols and the data-processing algorithms
• The quality, size, and frequency of the sensed data that can be extracted from the network are influenced by the physical resources available to the node
• Therefore, the design and implementation of a wireless sensor node is a critical step.
The node consists of sensing, processing, communication, and power subsystems.
The designer has a plethora of options in deciding how to build and put together these subsystems into a unified, programmable node.
• The processor subsystem is the central element of the node and the choice of a processor determines the tradeoff between flexibility and efficiency –in terms of both energy and performance.
• There are several processors as options: microcontrollers, digital signal processors, application-specific integrated circuits, and field programmable gate arrays
Sensor node is shown in the figure 1.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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