A multi-hop wireless Ad-Hoc network according to the present invention employs a voice reservation protocol. The protocol supports voice and data communication and incorporates retransmission and acknowledgement mechanisms. A TDMA frame architecture is dynamically selected depending on voice mode operation...http://www.google.de/patents/US7103371?utm_source=gb-gplus-sharePatent US7103371 - Method and apparatus for dynamic voice reservation within wireless networks
