Energy-efficient resource allocation in relay-aided orthogonal frequency division multiplexing cognitive radio networks with quality of service provisioning
2016 ◽
Vol 20
(7)
◽
pp. 1255-1261
2020 ◽
Vol 17
(3)
◽
pp. 1337-1348
◽
2006 ◽
Vol 24
(1)
◽
pp. 4-15
◽