Wenbo Wang

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As an important task of data mining, Classification has been received considerable attention in many applications, such as information retrieval, web searching, etc. The enlarging volumes of information emerging by the progress of technology and the growing individual needs of data mining, makes classifying of very large scale of data a challenging task. In(More)
The central problem in cognitive radio (CR) is how to adapt, given a wireless environment, so as to operate while meeting the constraints of a primary incumbent in a spectrum band. Adaptation for transmission of real-time multimedia lends itself to a cross-layer approach. This paper discusses a cross-layer CR scheme for real-time multimedia transmission(More)
The framework of cognitive wireless radio is expected to endow the wireless devices with the cognitionintelligence ability, with which they can efficiently learn and respond to the dynamic wireless environment. In many practical scenarios, the complexity of network dynamics makes it difficult to determine the network evolution model in advance. As a result,(More)
This paper proposes a robust, spectrum-aware routing mechanism for the multi-hop, multi-channel Cognitive Radio Networks (CRNs) that are exposed to the Routing-toward-Primary-User Attack (RPUA). With RPUA, malicious Secondary Users (SUs) attempt to block the data transmission of the normal SUs by routing packets towards the SUs around the Primary Users(More)
This paper investigates the energy-efficient power allocation for a two-tier, underlaid femtocell network. The behaviors of the Macrocell Base Station (MBS) and the Femtocell Users (FUs) are modeled hierarchically as a Stackelberg game. The MBS guarantees its own QoS requirement by charging the FUs individually according to the cross-tier interference, and(More)
In recent years, cross-layer Resource Management (RM) has been widely considered as an efficient approach for improving the network performance. However, due to the factors such as limited knowledge about the wireless environment and spontaneous characteristics of device behaviors, designing an efficient distributed RM scheme using the cross-layer paradigm(More)
Abstract This paper addresses the problem of spectrum sharing and power allocation in M2M network, in which a licensee and multiple unlicensed M2M devices coexist and operate in the licensed channel in a local area. We develop a connectivity establishment mechanism in M2M network based on the cognitive radio technology, and derive the overall average(More)