Patent ID: 8103237
Filing Date: 2012-01-24
Classification: H04W

Abstract:
1. Communication procedure between a source mobile equipment which at a given time does not have mobile telephone network coverage, and a target equipment, the procedure comprises: establishing said communication between source mobile equipment and target equipment in stages through one or more intermediary equipments, for which purpose the procedure comprises: assigning a retransmitter or non-retransmitter profile to each one of said one or more intermediary equipments; the source equipment initiating a search process for intermediary equipments which are within a first range of coverage defined by radio technology communication means of said source equipment to send a message containing at least one identifier of the target equipment, one identifier of the source equipment and a content for the target equipment, assigning to said message a first expiry time T i) if said search process results in one or more first intermediary equipments within the first range of coverage within said first expiry time T ii) if said search process does not result in at least one first intermediary equipment within said first expiry time T said first intermediary equipments receive said message and if none of these intermediary equipments is the target equipment, that or those first intermediary equipments having retransmitter profile, initiates a search process for one or more second intermediary equipments which are within a second range of coverage defined by radio technology communication means of said first intermediary equipment with retransmitter profile to send said message, assigning to said message a second expiry time T i) if said search process results in at least one second intermediary equipment within the second range of coverage within said second expiry time T ii) if said search process does not result in at least one second intermediary equipment within said second expiry time T until said message is received by the target equipment.