计算机科学 ›› 2015, Vol. 42 ›› Issue (9): 102-106.doi: 10.11896/j.issn.1002-137X.2015.09.021
王媛媛,刘锋,曾连荪,张友俊
WANG Yuan-yuan, LIU Feng, ZENG Lian-sun and ZHANG You-jun
摘要： 研究了两个感知网络的自由度:主网络是两用户干扰信道,次网络是点对点信道,其中次网络感知主网络的消息或者信号。考虑了3种感知情形:次网络发送端感知主网络发送端的消息；次网络接收端感知主网络接收端的信号；次网络接收端感知主网络发送端的消息。用干扰对齐和干扰中和的方法得出了相应的自由度内界,并且给出了自由度的外界,发现3种情形的自由度内外界均是紧的,发射端感知比接收端感知能获得更大的自由度。
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