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.
To support high bandwidth with high mobility is the predominant objective of next-generation networks. As some networks such as UMTS (universal mobile telecommunication system) can offer a wide geographical coverage with relatively low data rate, while other networks such as WLAN (wireless local area network) can support much higher bandwidth at a local level, network selection is becoming one of...
The broadcast and multicast service will play a major role in the future wireless communication. The enhanced broadcast and multicast system (EBCMCS) is the evolution of cdma2000 EV/DO in the broadcast system, and can provide the point-to-multipoint broadcast service. In this paper, the quadrature PN spreading and de-spreading methods in the EBCMCS of cdma2000 EV-DO are investigated, and a quadrature...
Standard competition is a complex process concerning a great variety of factors, distinguish of effecting degree of which is the premise and basis to establish relative strategies. A variety of factors effecting standard competition have been studied in depth from different angles. However there is a lack of systematic analysis, and most of the studies were based on qualitative analysis, hard to tell...
The mechanism of the reverse link (RL) data rate control in a CDMA system is studied, and a new scheme is presented to enhance the efficiency, which is based not only on a probabilistic model, but also on a variable signifying the competitive ability of the mobile station (MS). This variable is related to the distribution of MS's reverse pilot transmit power, which can reflect its reverse channel...
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.