Introduction to Wireless Field Servers

Introduction to Wireless Field Servers Prepared by: Aadit Shrestha Asian Institute of Technology aadit.shrestha@ait.ac.th Wireless Field Servers Presentation Outline What are Wireless Field Servers Some details of WFS Web Map Server OGC Standards for sensors Update about Nepal Wireless Network 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Field Server II Much of the work done by (NARO) National Agriculture Reasearch Organization, Japan Field Server I not commercial – we can assemble http://model.job.affrc.go.jp/FieldServer/FieldServerEn/How_to_get.html 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Wireless Field Server is an automatic monitoring system with: CPU (Web server), AD converter, DA converter, Ethernet controller, as well as Wi-fi access CMOS/CCD camera (optional) 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers PICNIC 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers LCD Display (Optional) 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Various sensors for: Air temperature, Relative humidity, Solar radiation, Soil moisture, Infra-red sensor, CO2 density Insect Counter Many more possible 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Each Field Server is connected by Wi-Fi and serves as an AdHoc network Provides hotspots that enables residents and visitors to use the Internet by using a Wi-Fi enabled laptop Can work as wireless sensor networks and also an infrastructure for providing access to Internet, i.e. ubiquitous networking 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Real-time Monitoring Digital cameras and Web cameras can be connected, and highresolution pictures of fields are transferred through Wi-Fi broadband networks The cameras can be remotely controlled by web browser 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Power Supply for Field Server Two Options Available: AC - Connect through cable - for backbone or permanent hotspot Solar power - Work as client connection - Can work in sleep mode; wake up every 30 mins 1994-2006 Asia Pacific Networking Group All Copy Right Reserved 1994-2006 Asia Pacific Networking Group All Copy Right Reserved 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Web Map Server Web Map Server OGC – Open Geospatial Consortium - international consortium to develop interface specifications - approved specifcations are called OpenGIS specifications - http://www.opengeospatial.org/ OpenGIS Specifications support interoperable solutions that "geo-enable" the Web, wireless and location-based services, and mainstream IT One of the specifications is Web Map Service - Minnesota Map Server - http://mapserver.gis.umn.edu/ 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Web Map Server Deploy and publish Geo-spatial data through Internet 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Sensor Web Enablement (SWE) 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Sensor Web Enablement (SWE) (Mike Botts, 2006) 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Sensor Web Enablement (SWE) OGC Specifies: SensorML: for encoding sensor characteristics (geolocation, response) O&M: for encoding of sensor observations and Measurements Sensor Observation Service (SOS): specifies access to sensor information encoded in SensorML and sensor observations encoded in O&M Sensor Planning Service (SPS): specifies a service to task sensors or sensor systems Web Notification Service (WNS): provides a means for Sensor Planning Services to alert people, software, or other sensor systems of SPS results or alerts regarding phenomena of interest All make use of XML 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Picture by http://52north.org 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Wireless Field Servers Conclusion: Real-time monitoring of phenomenon Agricultural Production Control Earth Observation (GEOSS) Weather Monitoring Flood Mitigation/ Disaster Mitigation Education 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Update on Nepal Wireless Network, Myagdi 1994-2006 Asia Pacific Networking Group All Copy Right Reserved Thank You!!! 1994-2006 Asia Pacific Networking Group All Copy Right Reserved