Si1000低功耗性能与在无线传感器节点上的应用开发  

Si1000 Low Power Performance and Application Development in Wireless Sensor Network Node

作　　者：李善荣[1] 闫述[1] 

机构地区：[1]计算机科学与通信工程学院江苏大学,镇江212013

出　　处：《无线通信技术》2011年第3期32-37,共6页Wireless Communication Technology

基　　金：新疆维吾尔自治区科技援疆项目"煤田火区无线传感器监测网络开发"(201191210);中德合作项目"煤炭能源领域的环境保护"德国GTZ资助(83045640)

摘　　要：Si1000是一款集微处理器和收发模块于一体的射频芯片,和现有大多数工作在2.45GHz的收发模块相比,Si1000功耗低、传输距离远,在无线数据传输方面有着良好的应用前景。本文分析了Si1000的低功耗性能、内部结构和围绕该芯片的传感器节点构成,指出了节点射频前端电路设计中应注意的问题。以半双工通信为例,给出了应用程序的设计和实现通信的方法。实地测试表明,Si1000芯片构成的节点,在对数据传输速率要求不高的情况下,能够较好地满足节点间远距离通信的需要。Si1000 is a RF chip integrated microprocessor and transceiver module,compared with most existing transceiver module working in 2.45GHz,it has advantage of low power consumption and long distance transmission,has a good application prospect in wireless transmission.This paper analyzes the low power performance and internal structure of Si10000 as well as the sensor node structure surrounding the chip,points out the problems should be paid attention to in the design of the RF front end circuit.Take half duplex communication for example,give the method of application program design and communication.Field test shows that the node consists of Si1000 can satisfy the need of long distance communication between the nodes in the case of data rate demand is not high.

关 键 词：Si1000芯片 无线传感器网络节点 功耗 传输距离 射频前端电路 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]