Outage probability of opportunistic decode-and-forward
relaying over Nakagami-m fading channels
CHUAI Gang ,ZHANG Bao-zhi, LIU Xing-mei, GAO Li
Acta Metallurgica Sinica(English letters) . 2009, (5): 46 -49 .  DOI: 10.1016/S1005-8885(08)60267-8