The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The CMMB (China Multimedia Mobile Broadcasting) rural information platform provides farmers with a new, fast, and comprehensive information transmission channels. The text introduces a method of rural information platform construction based on CMMB. China's present Rural Information station and problems are given and the role of rural information platform is designed. The CMMB network coverage and...
3G is the abbreviation of 3rd Generation. Meaning the third generation mobile communicating technology. It is that the new generation of mobile communicating that being tied in wedlock multi-media between mobile communication system and internet technology. The test has discussed the research and application of distance learning based on 3G network, and has analyzed the main technology and the structure...
This paper presents the principle of GPRS (general packet radio service), realization of GPRS modem and how to embed the TCP/IP (transmission control protocol/Internet protocol) protocols. Then we describe the problems happen when the GPRS modem is online; and give some ways to solve them at last.
The traditional remote data collection has the shortcomings such as the cover scope is small and the corresponding is unreliable, and the wireless network communication has better timeless and does not have the space limitation. The remote data collection and supervisory system based on GPRS/3G (General Packet Radio Service/The 3rd generation communication) network is discussed and designed in the...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.