US 11,856,494 B2
Method and apparatus for managing subscription service in machine to machine system
Jae Seung Song, Seoul (KR); and Min Byeong Lee, Gyeonggi-do (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Motors Corporation, Seoul (KR); and Industry Academy Cooperation Foundation of Sejong University, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Motors Corporation, Seoul (KR); and Industry Academy Cooperation Foundation of Sejong University, Seoul (KR)
Filed on Jan. 10, 2022, as Appl. No. 17/572,080.
Claims priority of provisional application 63/137,975, filed on Jan. 15, 2021.
Prior Publication US 2022/0232359 A1, Jul. 21, 2022
Int. Cl. H04W 4/70 (2018.01); H04W 8/18 (2009.01)
CPC H04W 4/70 (2018.02) [H04W 8/183 (2013.01)] 11 Claims
OG exemplary drawing
 
9. A first device in a machine-to-machine (M2M) system, the first device comprising:
a transceiver; and
a processor coupled with the transceiver,
wherein the processor is configured to:
transmit, to a second device, a first message requesting a new subscription, wherein the first message includes information on a second resource to be subscribed to and information indicating use of a first resource for subscribing to the second resource,
receive, from the second device, a second message notifying that the second resource associated with the new subscription is updated, and
identify a content of the second resource,
wherein the first resource is a resource that manages subscribed resources of the first device and includes at least one of a first attribute indicating a number of subscriptions of the first device, a second attribute indicating, among resources to which the first device is subscribing, a number of resources which are updated but not yet retrieved, or a third attribute indicating access addresses of the subscribed resources, and
wherein a value of the first attribute increases in response as the new subscription is requested.