Wireless Communication Fixed services: Bluetooth WiFi WIMAX RFID Mobile services: Limited Mobility (Flexi) Cellular (GSM, CDMA, 3G) Type of Wireless Technology Degree of mobility Standing Walking Driving User data rate 10 Mbps IEEE 802.16a,d 1 100 HSDPA IEEE 802.16e WLAN (IEEE 802.11x) GSM GPR...
A local area network, or some small networks, parts are time-limited, and only usable for the duration of a communication session The routers are free to move randomly, organize themselves arbitrarily The wireless topology vary rapidly and unpredictably Seminar on Wireless Ad hoc & Sensor Networks...
Introduction to Wireless Sensor Networks Soil Moisture Sensors[介绍了无线传感器网络的土壤水分传感器](PPT-37) 下载文档 收藏 打印 转格式 73阅读文档大小:3.31M37页4dddc75b上传于2015-01-03格式:PPT 土壤水分传感器 热度: 土壤水分传感器创新 热度:
4、 a large network that encompasses parts of states, multiple states, countries, and the world,Chapter One - Introduction to Communications, Standards, And Protocol,5,The Language of Computer Networks,Personal area network a network of a few meters, between wireless devices such as PDAs, laptops...
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Contains information for process-to-process communication between network applications, such as HTTP or HTTPS protocols for accessing web pages. Network Communications Protocols Enable communication between devices over networks. Involves protocols like IP, Transmission Control Protocol (TCP), HyperText Transfe...
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Wireless Networks (2) Bluetooth configuration Master Slave Paradigm – Master tells the slave what address to use what frequency they can use and when they can broadcast Wireless Networks (3) Wireless LAN – 802.11 (a) Individual mobile computers (b) A flying LAN ...