Yingxian Zhang, Aijun Liu, Xiaofei Pan, Thomas M. Chen, Vol. 8, No. 7, July 28, 2014
10.3837/tiis.2014.07.003

• Secure MQAM scheme
• signal constellation hopping (SCH)
• amplitude distortion (AD) factor
• phase hopping (PH) factor
• secrecy gain

Zhangjun Fan, Kun Xu, Bangning Zhang, Xiaofei Pan, Vol. 6, No. 6, June 25, 2012
10.3837/tiis.2012.06.007

• Two-way relaying
• antenna correlation
• outage probability
• average symbol error rate
• average sum-rate