WIRELESS BASE STATION, USER TERMINAL AND WIRELESS COMMUNICATION SYSTEM

WIPO Patent Application WO/2016/006450

A1

In order to suppress decreases in system resource use efficiency in Licensed-Assisted Access (LLA) systems using Listen Before Talk (LBT), a wireless base station according to one embodiment of the present invention communicates with user terminals capable of using licensed bands and unlicensed bands, and is characterized by comprising an acquisition unit for acquiring information relating to the amount of available time resources as computed from the results of LBT on unlicensed bands, and a control unit for controlling communications with the user terminal on unlicensed bands based on the information relating to the amount of available time resources.

WO/2009/114621	ARRANGEMENTS FOR ASSOCIATION AND RE-ASSOCIATION IN A WIRELESS NETWORK
WO2004102926	A METHOD FOR A RADIOTELEPHONE TO SCAN FOR HIGHER PRIORITY PUBLIC LAND MOBILE NETWORK
WO/2005/051031	RADIO COMMUNICATION SYSTEM

HARADA HIROKI (JP)
TAKEDA KAZUKI (JP)
NAGATA SATOSHI (JP)
LI MINGJU (CN)
WANG JING (CN)
JIANG YU (CN)
LIU LIU (CN)
JIANG HUILING (CN)

PCT/JP2015/068211

January 14, 2016

June 24, 2015

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NTT DOCOMO INC (JP)

H04W48/18; H04W16/14; H04W24/10; H04W48/16; H04W72/08

JP2014500685A

2014-01-09

ALCATEL -LUCENT SHANGHAI BELL ET AL.: "Considerations on LBT Enhancements for Licensed-Assisted Access", 3GPP TSG RAN WG1 MEETING #78BIS RL-144083, XP050872826
ALCATEL -LUCENT ET AL.: "Review of Regulatory Requirements for Unlicensed Spectrum", 3GPP TSG-RAN #63 RP-140054, pages 1, XP050780229
NTT DOCOMO: "Inter-operator and Inter-RAT co- existence techniques for LAA using LTE", 3GPP TSG RAN WG1 MEETING #78BIS RL-144150, XP050869796
See also references of EP 3169112A4

AOKI, Hiroyoshi et al. (JP)
Hiroyoshi Aoki (JP)

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