Methods and apparatuses are presented for conducting communications over a shared communication medium involving (a) sending a request from a first node, the shared communication medium organized to include (i) a request signal space including a plurality of request segments each having a different location...http://www.google.de/patents/US20080186940?utm_source=gb-gplus-sharePatent US20080186940 - ASSIGNMENT MODES FOR A SHARED COMMUNICATION MEDIUM
