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公开(公告)号：US20230117299A1
公开(公告)日：2023-04-20
申请号：US18085853
申请日：2022-12-21
Applicant: BlackBerry Limited
Inventor： 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
Abstract: 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.
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公开(公告)号：US20190313292A1
公开(公告)日：2019-10-10
申请号：US16450311
申请日：2019-06-24
Applicant: BlackBerry Limited
Inventor： 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
Abstract: 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.
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公开(公告)号：US20170251406A1
公开(公告)日：2017-08-31
申请号：US15595333
申请日：2017-05-15
Applicant: BlackBerry Limited
Inventor： 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
CPC classification number: H04W36/0016 , H04W36/0022 , H04W36/0061 , H04W36/0085 , H04W68/02 , H04W84/042
Abstract: 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.
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公开(公告)号：US20220394564A1
公开(公告)日：2022-12-08
申请号：US17888118
申请日：2022-08-15
Applicant: BlackBerry Limited
Inventor： 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
Abstract: 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.
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公开(公告)号：US20170026877A1
公开(公告)日：2017-01-26
申请号：US15285358
申请日：2016-10-04
Applicant: BlackBerry Limited
Inventor： 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: H04W36/00
CPC classification number: H04W36/0022 , H04W36/0016 , H04W36/0061 , H04W36/0083 , H04W36/14 , H04W60/00 , H04W60/04 , H04W76/30 , H04W88/06
Abstract: 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.
Abstract translation: 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。
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Patent Agency Ranking
公开(公告)号：US20240056905A1
公开(公告)日：2024-02-15
申请号：US18496335
申请日：2023-10-27
Applicant: BlackBerry Limited
Inventor： 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
CPC classification number: H04W36/0016 , H04W36/0022 , H04W36/0061 , H04W68/02 , H04W84/042 , H04W36/0085
Abstract: 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.
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公开(公告)号：US20220232047A1
公开(公告)日：2022-07-21
申请号：US17715183
申请日：2022-04-07
Applicant: BlackBerry Limited
Inventor： Chen Ho CHIN , Richard C. BURBIDGE
IPC: H04L65/1016 , H04W76/50 , H04W76/27 , H04W76/12 , H04W4/90
Abstract: 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.
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公开(公告)号：US20210352540A1
公开(公告)日：2021-11-11
申请号：US17383232
申请日：2021-07-22
Applicant: BlackBerry Limited
Inventor： 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: H04W36/00
Abstract: 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.
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公开(公告)号：US20170353891A1
公开(公告)日：2017-12-07
申请号：US15685898
申请日：2017-08-24
Applicant: BlackBerry Limited
Inventor： 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
CPC classification number: H04W36/0016 , H04W36/0022 , H04W36/0061 , H04W36/0085 , H04W68/02 , H04W84/042
Abstract: 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.
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公开(公告)号：US20160316399A1
公开(公告)日：2016-10-27
申请号：US15199017
申请日：2016-06-30
Applicant: BlackBerry Limited
Inventor： 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
CPC classification number: H04W36/0016 , H04W36/0022 , H04W36/0061 , H04W68/02 , H04W84/042
Abstract: 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.
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