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In this paper, we discuss the framework of cognitive radio network and OFDMA technology first, and analysis the motivations for cross-layer design in cognitive radio network (CRN). Moreover, we proposed the OFDMA-based cognitive radio transceiver. Finally, a novel architecture in which the dynamic channel allocation is achieved by a cross-layer design between the PHY and MAC layers for OFDMA-based...
In this paper, we discuss the framework of ad-hoc cognitive radio network (ad-hoc CRN), the network model and the dynamic spectrum access (DSA) for ad-hoc cognitive radio network first. Moreover, the motivation for cross-layer design in ad-hoc cognitive radio network is analysis. At last, we proposed a novel architecture in which the dynamic channel allocation is achieved by a cross-layer design between...
In this paper we discuss a novel OFDM-based cognitive radio network (OFDM-based CRN) technique and motivations for cross-layer design in CRN, proposed a novel architecture in which the dynamic channel allocation is achieved by a cross-layer design between the PHY and MAC layers for OFDM-Based cognitive radio network. Simulation shows it can improve network performance.
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