Interference and Capacity Analysis of CDMA Ad-Hoc Network Using Multibeam Smart Antennas
Ramos García, Antonio
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Mobile hosts such as a mobile computers, featuring powerful CPUs, large main memories, hundreds of megabytes of disk space, multimedia sound capabilities, and color displays, are now easily affordable and becoming quite common in every day business and personal life. At the same time, network connectivity options for use with mobile hosts have increased dramatically, including support for a growing number of Wireless networking products based on radio and infrared. The ad-hoc networks are being developed to satisfy this demand of mobile and faster services. Smart antennas offer a broad range of ways to improve wireless system performance. In general, smart antennas have the potential to provide enhanced range and reduce infrastructure costs in early deployments, enhanced link performance as the system is built-out, and increased long-term system capacity. Code Division Multiple Access (CDMA) seems to be the future wireless interface and, because of its characteristics, it could play an important role in future communications systems. Both smart antenna technology and CDMA promise to revolutionize the field of Wireless communications. This work will focus on CDMA as the access method, and due that this access technique is just interference limited, we will determine the interference levels caused in the network that can support a great number of users (network capacity) within a faster service, always taking care to guarantee the QoS necessarily to be commercially competitive in the market.