... test for variance changes requires uncorrelateddata. We, therefore, choose the DWT with highest P-valueamong those packets of the tree for which the null hypothesisof the Ljung-Box test for ... in Handbook of Research on Wireless Secur ity, Y. Zhang, J. Zheng, and M. Ma,Eds., Information Science Reference, Hershey, Pa, USA, 2008.[5] G. Sch¨afer, Security in Fixed and Wireless Networks: ... ofchange points, in mean and in variance. Results for MWICSSand MWSIC are for a threshold level 2 and window size128, those for MWWJ are for window size 128. In theseplots, the solid circles...