Capacity of a Class of Modulo-Sum Relay Channels.

Marko Aleksic Peyman Razaghi Wei Yu Capacity of a Class of Modulo-Sum Relay Channels. 921-930 2009 55 IEEE Transactions on Information Theory 3 http://dx.doi.org/10.1109/TIT.2008.2011518 db/journals/tit/tit55.html#AleksicRY09