A Skorohod representation is obtained for sums of weighted i.i.d. random variables, extending the i.i.d. case. This leads to a functional law of the iterated logarithm and other invariance results. In this setting, the results are not included as special cases of previous martingale results.
Title
A Skorohod representation and an invariance principle for sums of weighted i.i.d. random variables
Fisher, E. (1992) "A Skorohod representation and an invariance principle for sums of weighted i.i.d. random variables." Rocky Mountain Journal of Mathematics 22 (1): 169-179.