maxinum restriction on sensor communication radius was
added to each sensor node; (3) in order to maintain a balanced
energy comsuption of the entire network, this paper added a
limited degree of saturation value to each sensor node. This
improved scale-free model not only has the mentioned
improvements above, but also has lots of advantages of
traditional scale-free networks, such as the good ability to resist
random attacks, so that the existing theory and analysis
methods of complex network will be more suitable for the
researches of wireless sensor network.