公开(公告)号：US20230117299A1

公开(公告)日：2023-04-20

申请号：US18085853

申请日：2022-12-21

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran Wijayanathan ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W68/02 ,  H04W84/04

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.

公开(公告)号：US20190313292A1

公开(公告)日：2019-10-10

申请号：US16450311

申请日：2019-06-24

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran Wijayanathan ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W68/02 ,  H04W84/04

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.

公开(公告)号：US20170251406A1

公开(公告)日：2017-08-31

申请号：US15595333

申请日：2017-05-15

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran Wijayanathan ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W84/04 ,  H04W68/02

CPC分类号： H04W36/0016 ,  H04W36/0022 ,  H04W36/0061 ,  H04W36/0085 ,  H04W68/02 ,  H04W84/042

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.

公开(公告)号：US20220394564A1

公开(公告)日：2022-12-08

申请号：US17888118

申请日：2022-08-15

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao RAYAVARAPU ,  Maiyuran WIJAYANATHAN ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W36/14 ,  H04W60/00

摘要： A method performed by user equipment (UE) includes receiving a request to access a service unavailable through a first network cell associated with the UE, and receiving a message from an access device associated with the first network cell, wherein the message identifies a plurality of second network cells providing the service.

公开(公告)号：US20170026877A1

公开(公告)日：2017-01-26

申请号：US15285358

申请日：2016-10-04

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran WIJAYANATHAN ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00

CPC分类号： H04W36/0022 ,  H04W36/0016 ,  H04W36/0061 ,  H04W36/0083 ,  H04W36/14 ,  H04W60/00 ,  H04W60/04 ,  H04W76/30 ,  H04W88/06

摘要： A method performed by user equipment (UE) includes receiving a request to access a service unavailable through a first network cell associated with the UE, and receiving a message from an access device associated with the first network cell, wherein the message identifies a plurality of second network cells providing the service.

摘要翻译： 由用户设备（UE）执行的方法包括接收访问通过与所述UE相关联的第一网络小区不可用的服务的请求，以及从与所述第一网络小区相关联的接入设备接收消息，其中，所述消息标识多个 提供服务的第二网络小区。

公开(公告)号：US20240056905A1

公开(公告)日：2024-02-15

申请号：US18496335

申请日：2023-10-27

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao RAYAVARAPU ,  Maiyuran WIJAYANATHAN ,  Stephen McCANN ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W68/02 ,  H04W84/04

CPC分类号： H04W36/0016 ,  H04W36/0022 ,  H04W36/0061 ,  H04W68/02 ,  H04W84/042 ,  H04W36/0085

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.

公开(公告)号：US20220232047A1

公开(公告)日：2022-07-21

申请号：US17715183

申请日：2022-04-07

申请人： BlackBerry Limited

发明人： Chen Ho CHIN ,  Richard C. BURBIDGE

IPC分类号： H04L65/1016 ,  H04W76/50 ,  H04W76/27 ,  H04W76/12 ,  H04W4/90

摘要： A method for initiating a Packet Switched emergency call using a user equipment (UE) is presented. The UE includes a plurality of protocol layers. The plurality of protocol layers including an IMS sublayer, a non-access stratum (NAS) layer and an access stratum (AS) layer. The method includes generating an ATTACH REQUEST using the UE. The ATTACH REQUEST has an attach type. The method includes retrieving the attach type of the ATTACH REQUEST using the NAS layer of the UE, and generating an RRC CONNECTION REQUEST. The RRC CONNECTION REQUEST includes an RRC establishment cause based upon the attach type of the attach request.

公开(公告)号：US20210352540A1

公开(公告)日：2021-11-11

申请号：US17383232

申请日：2021-07-22

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao RAYAVARAPU ,  Maiyuran Wijayanathan ,  Stephen McCANN ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00

摘要： A method performed by user equipment (UE) includes receiving a request to access a service unavailable through a first network cell associated with the UE and informing a second network cell that the UE is requesting to obtain the service unavailable through the first network cell. The request may be received from a user of the UE or may be a paging message.

公开(公告)号：US20170353891A1

公开(公告)日：2017-12-07

申请号：US15685898

申请日：2017-08-24

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran WIJAYANATHAN ,  Stephen McCANN ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W68/02 ,  H04W84/04

CPC分类号： H04W36/0016 ,  H04W36/0022 ,  H04W36/0061 ,  H04W36/0085 ,  H04W68/02 ,  H04W84/042

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.

公开(公告)号：US20160316399A1

公开(公告)日：2016-10-27

申请号：US15199017

申请日：2016-06-30

申请人： BlackBerry Limited

发明人： Richard Charles BURBIDGE ,  Takashi SUZUKI ,  David Philip HOLE ,  Johanna Lisa DWYER ,  Venkata Ratnakar Rao Rayavarapu ,  Maiyuran Wijayanathan ,  Stephen McCann ,  Andrew Mark EARNSHAW ,  Chen Ho CHIN

IPC分类号： H04W36/00 ,  H04W68/02

CPC分类号： H04W36/0016 ,  H04W36/0022 ,  H04W36/0061 ,  H04W68/02 ,  H04W84/042

摘要： In an access device associated with a first network cell, a method for enabling user equipment (UE) to obtain a service unavailable through the first network cell includes receiving a request for the UE to access the service, and identifying, in a message to the UE, a plurality of second network cells providing the service.