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Modern day wireless networks are increasingly supporting various civilian applications that require high bandwidth for successful operation. In such cases, it is important to ensure proper maintenance of links that contribute the most to achieving the required level of service. In this paper, we devise a method to analytically characterize the importance of each link in a multichannel, multi-radio,...
This paper addresses the problem of evaluating the reliability of a single-radio, multi-channel, multi-hop dynamic spectrum access (DSA) network supporting QoS-driven network services. We define reliability as the reciprocal of the probable number of transmission attempts required to ship each unit of application data successfully under a given demand. The demand represents the flow rate (per unit...
This paper addresses the problem of spectrum-aware data-adaptive routing in multi-channel, single-radio (MC-SR) multi-hop dynamic spectrum access (DSA) networks. We develop a scalable and simple to implement data-adaptive routing scheme that routes varied amounts of data from a given source to a destination through fast routes. For a given amount of data, our routing scheme takes into account the...
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