The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 2021
Filed:
Nov. 19, 2020
Pusan National University Industry-university Cooperation Foundation, Busan, KR;
Sanghwa Chung, Busan, KR;
Yuvin Ha, Gimhae-si, KR;
Abstract
Disclosed is a device for reverse slot reservation in an industrial low-power wireless network, which includes: a child device configured to send a slot demand of the child device to a parent device through an information element (IE) and a solicitation (SOLICIT) packet included in an enhanced beacon (EB) and configured to select a required number of slots and respond using a Response packet to reserve the slots when an OFFER is received; and a parent device configured to transmit an OFFER packet to a device with the highest priority or a device selected in round-robin order when there is no priority on the basis of slot demands of child devices to start reverse slot reservation and configured to select some slots from among available slots of the parent device, add the selected slots to CellList, and transmit the OFFER packet to a corresponding child device.