S. P. Fedortsov Jean-Paul M. G. Linnartz One dimensional cellular network with "spatial-ALOHA" protocol. 886-890 1995 PIMRC https://doi.org/10.1109/PIMRC.1995.480994 conf/pimrc/1995 db/conf/pimrc/pimrc1995.html#FedortsovL95