Title:
WIRELESS COMMUNICATIONS SYSTEM, FIRST WIRELESS STATION, WIRELESS TERMINAL, AND COMMUNICATION CONTROL METHOD
Document Type and Number:
Japanese Patent JP2018196157
Kind Code:
A
Abstract:
To enable continuing a communication service in a secondary cell even after changing to a primary cell when the primary cell is changed during execution of carrier aggregation (for example, inter-eNB CA) of a plurality of cells operated by a different wireless station.SOLUTION: A first wireless station (1) transmits a Radio Resource Control (RRC) message to a wireless terminal (4) in a procedure changing a wireless station operating a primary cell of a wireless terminal (4) from the first wireless station (1) to a third wireless station (3), causes the wireless terminal (4) to release wireless resource setting information in a second cell (20) while maintaining bearer information including at least DRB setting information corresponding to data wireless bearer (DRB) being established in the second cell (20), and triggers that wireless resource setting in the second cell (20) is re-configured.SELECTED DRAWING: Figure 1
Inventors:
FUTAKI TAKASHI
AMINAKA HIROAKI
AMINAKA HIROAKI
Application Number:
JP2018171063A
Publication Date:
December 06, 2018
Filing Date:
September 13, 2018
Export Citation:
Assignee:
NEC CORP
International Classes:
H04W72/04; H04W36/28; H04W76/25
Domestic Patent References:
| JP2013223074A | 2013-10-28 |
Foreign References:
| WO2011137784A1 | 2011-11-10 | |||
| CN102833802A | 2012-12-19 |
Attorney, Agent or Firm:
Ken Ieiri