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Cognitive radio (CR) techniques promise to significantly increase the available spectrum thus wireless bandwidth. With the increase of spectrum allowed for CR, it is critical and challenging to perform efficient wideband sensing. We propose an integrated sequential wideband sensing framework which concurrently exploits sequential detection and compressed sensing (CS) techniques for more accurate and...
The existing compressed sensing image reconstruction algorithms cannot combine reconstruction effect with reconstruction speed at the same time. A new image reconstruction algorithm is proposed for compressed sensing. The new algorithm retains the advantages of block-sampling compressed sensing by the image blocks segmentation. The subblocks of the image edges are extracted and then the edges structure...
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