jeudi 22 juin 2017
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Titre : Design and Performance of 3G Wireless Networks and Wireless LANs

Nombre de page : 358

Auteur : MOOICHOO CHUAH and QINQING ZHANG from  Bell Laboratories, Lucent Technologies

Description :Cellular phones, especially those enabled by second-generation telecommunication systems, have had tremendous impacts on our daily lives.
In some countries such as India, the number of cellular phone subscribers has far exceeded the number of wired phone subscribers. Meanwhile, the Internet has also significantly changed our daily lives. More and more ecommerce applications have been introduced while the number of Internet users has skyrocketed over the recent five years. The mobile workforce has also tremendously increased in size. Mobile workers expect to be able to use the Internet while on the move. However, the data handling capabilities of second-generation systems are limited. Thus, third-generation (3G) cellular systems such as UMTS (Universal Mobile Telecommunication Systems) and CDMA2000 (Code-Division Multiple Access) Systems are designed to provide high bit rate data services that enable multimedia communications.

Publié dans Reseaux et Télécom