The invention relates to communications devices for reduced energy communications in an ad hoc network. The communication device includes a first low powered transceiver for initiating communications with other communications devices and a second transceiver for transmitting data messages to the other...http://www.google.fr/patents/US7330736?utm_source=gb-gplus-shareBrevet US7330736 - Methods and apparatus for reduced energy communication in an ad hoc network
Methods and apparatus for reduced energy communication in an ad hoc network
