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:
Feb. 06, 2018
Filed:
Apr. 29, 2015
Olympus Corporation, Tokyo, JP;
Shinya Kawasaki, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
Provided is a multicast transmission terminal including: a transmission/reception unit that performs multicast transmission using a predetermined center frequency and a bandwidth, and receives acknowledgement transmitted using a center frequency different from the center frequency of the multicast transmission and a bandwidth narrower than the bandwidth of the multicast transmission; a discovery unit that transmits an inquiry packet in a broadcast manner and discovers reception terminals (destinations of the multicast transmission); an allocation unit that allocates a center frequency used when the reception terminal transmits the acknowledgement in response to the number of reception terminals discovered by the discovery unit, allocates the center frequency different from the center frequency of the multicast transmission to the reception terminal, and generates an allocation list indicating the allocation; and a notification control unit that allows the unit to transmit the allocation list in multicast manner.