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A reconstruction failure detection method for random demodulator based compressed sampling is proposed, which utilizes the correlation between two consecutive reconstructed supports of the sparse signal. The method is easy to realize because of its low-computational complexity. Simulations show that the proposed method can judge whether the reconstruction is successful with high accuracy and it can reduce the interference probability with primary users when the signal is not that sparse.
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Keywords:
- cognitive radio /
- spectrum sensing /
- random demodulator /
- compressed sampling
[1] Haykin S 2005 IEEE J. Select. Areas Commun. 23 201
[2] Zheng S L, Lou C Y, Yang X N 2010 Acta Phys. Sin. 59 3611 (in Chinese) [郑仕链, 楼才义, 杨小牛 2010 59 3611]
[3] Donoho D 2006 IEEE Trans. Inform. Theory 52 1289
[4] Tropp J A, Laska J N, Duarte M F, Romberg J K, Baraniuk R G 2010 IEEE Trans. Inform. Theory 56 520
[5] Mishali M, Eldar Y C 2010 IEEE J. Select. Topics in Signal Process. 4 375
[6] Fudge G L, Bland R E, Chivers M A, Ravindran S, Haupt J, Pace P E 2008 Proc. 42nd Asilomar Conf. on Signals, Systems and Computers p541
[7] Sun B, Jiang J J 2011 Acta Phys. Sin. 60 110701 (in Chinese) [孙彪, 江建军 2011 60 110701]
[8] Harms A, Bajwa W U, Calderbank R 2012 Proc. 46th Asilomar Conf. on Signals, Systems and Computers p1940
[9] Zhang Z, Li H, Yang D, Pei C 2011 Electron. Lett. 47 519
[10] Ning F L, He B J, Wei J 2013 Acta Phys. Sin. 62 174212 (in Chinese) [宁方立, 何碧静, 韦娟 2013 62 174212]
[11] Sun Y L, Tao J X 2014 Chin. Phys. B 23 078703
[12] Wang L Y, Li L, Yan B, Jiang C S, Wang H Y, Bao S L 2010 Chin. Phys. B 19 088106
[13] Tropp J, Gilber 2007 IEEE Trans. Inform. Theory 53 4655
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[1] Haykin S 2005 IEEE J. Select. Areas Commun. 23 201
[2] Zheng S L, Lou C Y, Yang X N 2010 Acta Phys. Sin. 59 3611 (in Chinese) [郑仕链, 楼才义, 杨小牛 2010 59 3611]
[3] Donoho D 2006 IEEE Trans. Inform. Theory 52 1289
[4] Tropp J A, Laska J N, Duarte M F, Romberg J K, Baraniuk R G 2010 IEEE Trans. Inform. Theory 56 520
[5] Mishali M, Eldar Y C 2010 IEEE J. Select. Topics in Signal Process. 4 375
[6] Fudge G L, Bland R E, Chivers M A, Ravindran S, Haupt J, Pace P E 2008 Proc. 42nd Asilomar Conf. on Signals, Systems and Computers p541
[7] Sun B, Jiang J J 2011 Acta Phys. Sin. 60 110701 (in Chinese) [孙彪, 江建军 2011 60 110701]
[8] Harms A, Bajwa W U, Calderbank R 2012 Proc. 46th Asilomar Conf. on Signals, Systems and Computers p1940
[9] Zhang Z, Li H, Yang D, Pei C 2011 Electron. Lett. 47 519
[10] Ning F L, He B J, Wei J 2013 Acta Phys. Sin. 62 174212 (in Chinese) [宁方立, 何碧静, 韦娟 2013 62 174212]
[11] Sun Y L, Tao J X 2014 Chin. Phys. B 23 078703
[12] Wang L Y, Li L, Yan B, Jiang C S, Wang H Y, Bao S L 2010 Chin. Phys. B 19 088106
[13] Tropp J, Gilber 2007 IEEE Trans. Inform. Theory 53 4655
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