Scheduler for Downlink Scheduling in Wireless Networks

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Wireless networks have witnessed an extraordinary growth in the past few years. Various wireless technologies, such as wireless local area network (WLAN), Bluetooth, WiMAX and third generation mobile networks (3G) have been developed. These Wireless technologies offer users a variety of benefits like portability, flexibility, increased productivity and lower installation costs. Each of these technologies has its own unique applications and characteristics, its own architecture, algorithms and protocols. For example a WLAN can provide the wireless users with high bandwidth data communication in a restricted and dense area. WiMAX can provide high-speed, high bandwidth efficiency, and high capacity multimedia services for residential as well as for enterprise applications. Ad hoc networks like those enabled by Bluetooth, allow data synchronization with network systems and application sharing between devices. However any wireless technology is inherently risky. It has the same risks as the wired networks as well as new risks brought by the wireless connectivity such as attacks against air medium. Therefore, because of the diversified nature of these wireless technologies, they have their own application areas and different security concerns, requirements and solutions. We want to stress that under such heterogeneous environments, traditional wired network mechanisms have to be rethought and adapted to suit the wireless networks very nature. We outline in more details about the nature of wireless networks to show their dissimilar environments and how it is hard to maintain fundamental functional mechanisms under such unstable settings.
2009-12-31

Scheduler for Downlink Scheduling in Wireless Networks

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