US 12,089,286 B2
Method and apparatus for searching and relaying discovery of devices
Sangxia Huang, Lund (SE); and Andrej Petef, Lund (SE)
Assigned to Sony Group Corporation, Tokyo (JP)
Appl. No. 17/045,349
Filed by SONY CORPORATION, Tokyo (JP)
PCT Filed Jan. 25, 2019, PCT No. PCT/US2019/015151
§ 371(c)(1), (2) Date Oct. 5, 2020,
PCT Pub. No. WO2019/194886, PCT Pub. Date Oct. 10, 2019.
Claims priority of application No. 1830114-3 (SE), filed on Apr. 5, 2018.
Prior Publication US 2021/0029528 A1, Jan. 28, 2021
Int. Cl. H04W 8/00 (2009.01); H04B 17/318 (2015.01); H04W 4/06 (2009.01); H04W 4/23 (2018.01); H04W 28/06 (2009.01); H04W 48/16 (2009.01); H04W 76/11 (2018.01)
CPC H04W 8/005 (2013.01) [H04B 17/318 (2015.01); H04W 4/06 (2013.01); H04W 4/23 (2018.02); H04W 28/06 (2013.01); H04W 48/16 (2013.01); H04W 76/11 (2018.02)] 10 Claims
OG exemplary drawing
 
1. A method of searching for broadcast devices by an observer device, comprising:
receiving respective advertising messages from one or more broadcast devices;
determining whether to initiate an extended search for additional broadcast devices based on the advertising messages received from the one or more broadcast devices; and
when the extended search is determined,
selecting a scanning device to perform the extended search from among the one or more broadcast devices from which advertising messages are received;
requesting the scanning device to perform the extended search, the extended search being a search for additional broadcast devices; and
receiving at least one message with search results from extended search performed by the scanning device, wherein the search results indicate further advertising messages received by the scanning device from the additional broadcast devices.