Power allocation for orthogonal frequency division multiplexing-based cognitive radio networks with cooperative relays
2014 ◽
Vol 12
(1)
◽
pp. 143
◽
2014 ◽
Vol 12
(1)
◽
pp. 143
◽
2013 ◽
Vol 61
(6)
◽
pp. 2212-2220
◽