Title:
RADIO COMMUNICATION SYSTEM, BASE STATION, COMMUNICATION TERMINAL AND RADIO COMMUNICATION SYSTEM CONTROL METHOD
Document Type and Number:
Japanese Patent JP2021114793
Kind Code:
A
Abstract:
To provide a radio communication system, a base station, a communication terminal, and a control method for the radio communication system that reliably perform communication using an unlicensed band.SOLUTION: A base station comprises: a terminal performance information control unit 156 which controls whether or not a first frequency is to be used for communication; a radio channel control unit 157 which performs communication using the first frequency and a second frequency when the first frequency is to be used for communication; and a radio channel control information creation unit 160 which notifies the communication terminal that the first frequency is to be used when the first frequency is determined to be used for communication by the terminal performance information control unit 156. The communication terminal comprises a control unit which performs communication using the first frequency and the second frequency when being notified that the first frequency is to be used.SELECTED DRAWING: Figure 3
Inventors:
OIDE TAKAYOSHI
AIKAWA SHINICHIRO
OTA YOSHIAKI
AIKAWA SHINICHIRO
OTA YOSHIAKI
Application Number:
JP2021073456A
Publication Date:
August 05, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H04W76/15; H04W16/14; H04W72/04
Domestic Patent References:
| JP2013516859A | 2013-05-13 | |||
| JP2014529276A | 2014-10-30 | |||
| JP2013005366A | 2013-01-07 |
Other References:
ETRI: "Scenarios and Requirements for LAA", 3GPP TSG-RAN WG2#89 R2-150234, JPN6019001697, 9 February 2015 (2015-02-09), ISSN: 0004977866
LG ELECTRONICS: "Protocol Aspects for LAA[online]", 3GPP TSG-RAN WG2#89 R2-150398, JPN6019001698, 9 February 2015 (2015-02-09), ISSN: 0004840989
HUAWEI (RAPPORTEUR): "TP for TR 36.889 v0.1.0 Study on licensed-assisted access using LTE[online]", 3GPP TSG-RAN WG2#89 R2-150727, JPN6019001700, 20 April 2015 (2015-04-20), ISSN: 0004977867
LG ELECTRONICS: "Protocol Aspects for LAA[online]", 3GPP TSG-RAN WG2#89 R2-150398, JPN6019001698, 9 February 2015 (2015-02-09), ISSN: 0004840989
HUAWEI (RAPPORTEUR): "TP for TR 36.889 v0.1.0 Study on licensed-assisted access using LTE[online]", 3GPP TSG-RAN WG2#89 R2-150727, JPN6019001700, 20 April 2015 (2015-04-20), ISSN: 0004977867
Attorney, Agent or Firm:
Sakai International Patent Office