[1] MITOLA J, MAGUIRE G Q. Cognitive radio: making software radios more personal[J]. IEEE Personal Communications, 1999, 6(4):13-18. [2] HAYKINS S. Cognitive radio: brain-empowered wireless communication[J]. IEEE Journal on Selected Areas in Communications, 2005, 23(2): 201-220. [3] HAYKIN S, THOMSON J, REED J H. Spectrum sensing for cognitive radio[J]. Proceedings of the IEEE, 2009, 97(5): 849-877. [4] GANDETTO M, REGAZZONI C. Spectrum sensing: a distributed approach for cognitive terminals[J]. IEEE Journal on Selected Areas in Communications, 2007, 25(3): 546-557. [5] GHAVAMI S, ABOLHASSANI B. Spectrum sensing and power/rate control in CDMA cognitive radio networks[J]. International Journal of Communication Systems, 2012, 25(2): 121-145. [6] LIANG Y-C, ZENG Y, PEH E C Y, et al. Sensing-throughput tradeoff for cognitive radio networks[J]. IEEE Transactions on Wireless Communications, 2008, 7(4): 1326-1337. [7] KANG X, LIANG Y-C, GRAG H K, et al. Sensing-based spectrum sharing in cognitive radio networks[J]. IEEE Transactions on Vehicular Technology, 2009, 58(8): 4649-4654. [8] PEI Y, LIANG Y-C, PEH E C Y, et al. How much time is needed for wideband spectrum sensing?[J] IEEE Transactions on Wireless Communications, 2009, 8(11): 5466-5471. [9] STOTAS S, NALLANATHAN A. Optimal sensing time spectrum sensing and power allocation in multiband cognitive radio networks[J]. IEEE Transactions on Communications, 2011, 59(1): 226-235. [10] FAN R, JIANG H, GUO Q, et al. Joint optimal cooperative sensing and resource allocation in multichannel cognitive radio networks[J]. IEEE Transactions on Vehicular Technology, 2011, 60(2): 722-729. [11] LI L, XU C, HE J. Jointly optimizing sensing time and resource allocation in multichannel cognitive radio networks[J]. International Journal of Communication Systems, 2014, 27(10): 1561-1571. [12] FAN R, JIANG H. Optimal multi-channel cooperative sensing in cognitive radio networks[J]. IEEE Transactions on Wireless Communications, 2010, 9(3): 1128-1138. [13] LI L, XU C, HE J, et al. Resource allocation in orthogonal frequency division multiple access-based cognitive radio systems with minimum rate constraints[J]. International Journal of Communication Systems, 2014, 27(8): 1147-1159. |