A method of operating in a network in which a plurality of stations communicate over a shared medium. The method comprises transmitting a group of bits from a transmitting station to a receiving station, wherein the group of bits comprises information bits and error checking bits, and communicating additional...http://www.google.com/patents/US7281187?utm_source=gb-gplus-sharePatent US7281187 - Using error checking bits to communicated an address or other bits