Title:
ハンドオーバー失敗防止方法
Document Type and Number:
Japanese Patent JP6630003
Kind Code:
B2
Abstract:
Methods for avoiding handover failure are provided. The method includes transmitting first information indicating a local network identifier and second information indicating a local sub network; receiving third information indicating a local network identifier and fourth information indicating a local sub network; determining whether the first information and the third information are different, or whether the second information and the fourth information are different; determining to perform a handover of a user equipment, UE, from the source BS to the target BS; releasing resource for a local ip access, LIPA, connection of the UE, when the first information and the third information are different, or when the second information and the fourth information are different; and transmitting, to a source mobility management entity, MME, a handover request message including a closed subscriber group, CSG, ID of the target BS.
Inventors:
Resu Su
Hong Wan
Farui Lian
Hong Wan
Farui Lian
Application Number:
JP2019000235A
Publication Date:
January 15, 2020
Filing Date:
January 04, 2019
Export Citation:
Assignee:
Samsung Electronics Company Limited
International Classes:
H04W48/16; H04W36/08; H04W80/04; H04W92/08
Other References:
Alcatel-Lucent,key issue #L4: LIPA deactivation[online], 3GPP TSG-SA WG2#86 S2-113244,インターネット,2011年 7月11日
ZTE,HO decision and LIPA bearer handling[online], 3GPP TSG-SA WG2#86 S2-113065,インターネット,2011年 7月11日
ZTE,Mobility handling in connected mode using LHN-ID[online], 3GPP TSG-SA WG2#86 S2-113064,インターネット,2011年 7月11日
CATT,Key Issue of LIPA Deactivation[online], 3GPP TSG-SA WG2#85 S2-112786,インターネット,2011年 5月16日
Huawei, Hisilicon,LHN identification using L-GW@CN address[online],3GPP TSG SA WG2 Meeting #85 TD S2-112783,2011年 5月19日
General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Netw,3GPP TS 23.401 V10.4.0 (2011-06),2011年 6月10日
ZTE,HO decision and LIPA bearer handling[online], 3GPP TSG-SA WG2#86 S2-113065,インターネット
ZTE,Mobility handling in connected mode using LHN-ID[online], 3GPP TSG-SA WG2#86 S2-113064,インターネット
CATT,Key Issue of LIPA Deactivation[online], 3GPP TSG-SA WG2#85 S2-112786,インターネット
Huawei, Hisilicon,LHN identification using L-GW@CN address[online],3GPP TSG SA WG2 Meeting #85 TD S2-112783,2011年 5月19日
General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Netw,3GPP TS 23.401 V10.4.0 (2011-06),2011年 6月10日
Attorney, Agent or Firm:
Tatsuhiko Abe
Shinya Mitsuhiro
Choi
Keiji Kiuchi
Shinya Mitsuhiro
Choi
Keiji Kiuchi