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Title:
BASE STATION DEVICE, TERMINAL DEVICE, COMMUNICATION SYSTEM, AND TRANSMISSION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/138512
Kind Code:
A1
Abstract:
This base station device is a base station device (100) belonging to a communication system that uses a first frequency band requiring a license and a second frequency band not requiring a license, the base station device having: determination units (108, 151) for determining whether or not the second frequency band is used by another communication system; a determination unit (109) for determining a transmission type, indicating the duration of a transmission unit in the second frequency band, on the basis of the result determined by the determination units (108, 151); and transmission units (117, 118) for transmitting notification information that provides notification about the transmission type determined by the determination unit (109).

Inventors:
CHEN HONGYANG (JP)
WU JIANMING (JP)
SHIMOMURA TSUYOSHI (JP)
Application Number:
PCT/JP2018/000522
Publication Date:
July 18, 2019
Filing Date:
January 11, 2018
Export Citation:
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Assignee:
FUJITSU LTD (JP)
International Classes:
H04W16/14; H04W72/04; H04W72/08; H04W72/12
Domestic Patent References:
WO2017142031A12017-08-24
WO2017170809A12017-10-05
WO2015151729A12015-10-08
WO2017130801A12017-08-03
Other References:
INTEL CORPORATION: "FrameStructure for NR unlicensed operation", 3GPP TSG-RAN WG1#86B R1-1609508, 14 October 2016 (2016-10-14), XP051149547
NOKIA NETWORKS: "On DL transmission detection and UL subframe indication for LAA", 3GPP TSG-RAN R1-155602, 9 October 2015 (2015-10-09), XP051002466
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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