Energy-Efficient Resource Allocation for OFDM-Based Cognitive Radio Networks
2013 ◽
Vol 61
(8)
◽
pp. 3181-3191
◽
2016 ◽
Vol 20
(7)
◽
pp. 1255-1261
2012 ◽
Vol 11
(11)
◽
pp. 3910-3920
◽
2016 ◽
Vol 11
(3)
◽
pp. 333-344