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He, Jianhua, Jie Xiang, Yan Zhang, Tor Skeie, and He Jianhua. "QoS Aware Admission and Power Control for Cognitive Radio Cellular Networks." Wireless Communications and Mobile Computing 9, no. 11 (2009): 1520.

He, Jianhua, et al. "QoS Aware Admission and Power Control for Cognitive Radio Cellular Networks." Wireless Communications and Mobile Computing 9.11 (2009): 1520.