In at least some embodiments, a system may comprise one or more devices configurable to communicate according to a first protocol that implements a first data packet, and one or more devices configurable to communicate according to a second protocol that implements a second data packet having a predetermined...http://www.google.com/patents/US7826341?utm_source=gb-gplus-sharePatent US7826341 - Methods and systems for implementing a pseudo-noise signaling mechanism in wireless communication
