US Patent No. 10,117,282

D2D DEVICE COMMUNICATION USING A BROADCAST TYPE MESSAGE


Patent No. 10,117,282
Issue Date October 30, 2018
Title D2d Device Communication Using A Broadcast Type Message
Inventorship Qianxi Lu, Beijing (CN)
Nadia Brahmi, Hildesheim (DE)
Qingyu Miao, Beijing (CN)
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 10,117,282

12. A method for connecting a Device-to-Device (D2D) communication device being not part of an established D2D communication network and another D2D communication device of the D2D communication network to one another via at least one intermediate D2D communication device of the D2D communication network, the method being performed by the another D2D communication device and comprising steps of:sending, to the at least one intermediate D2D communication device, a broadcast type message comprising an identifier of the another D2D communication device, wherein the broadcast type message comprises availability information associated with the another D2D communication device and indicating an availability of a cellular communication network via the D2D communication network, and
receiving, from the at least one intermediate D2D communication device, a unicast type message comprising an identifier of the another D2D communication device for connecting the D2D communication device and the another D2D communication device to one another,
wherein the broadcast type message comprises link portion information indicating a current number of link portions of a connection link in the D2D communication network between the D2D communication device and the another D2D communication device.