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公开(公告)号：US11622415B2
公开(公告)日：2023-04-04
申请号：US16838186
申请日：2020-04-02
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chi-Hsien Chen , Po-Ying Chuang , Po Kuang Lu
Abstract: A method of enhancing IP packet forwarding feature support after interworking is proposed. When a PDU session in 5GS is transferred to a PDN connection in EPS, the UE shall assume the feature is supported after inter-system change from 5GS to EPS. When a PDN connection is established in EPS, the network indicated that the feature is not supported, and the network provided 5GSM parameters for ESM/5GSM interworking for this PDN connection, then UE shall assume the feature is supported after inter-system change from EPS to 5GS, the UE shall also assume the feature is supported after inter-system change from 5GS back to EPS. The IP packet forwarding features include PS data off and local IP address in TFT.
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公开(公告)号：US20210266794A1
公开(公告)日：2021-08-26
申请号：US17316909
申请日：2021-05-11
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Po-Ying Chuang
Abstract: A method of enhanced error handling for 5G QoS operations is proposed. A PDU session defines the association between the UE and the data network that provides a PDU connectivity service. Each PDU session is identified by a PDU session ID, and may include multiple QoS flows and QoS rules. Within a PDU session, there should be one and only one default QoS rule. The default QoS rule indication (DQR) and the QoS flow identifier (QFI) of a signaled QoS rule should not be changed. Two new 5G session management (5GSM) causes are defined: a semantic error in the QoS operation (cause value #83) and a syntactic error (cause value #84) in the QoS operation. The UE should check the QoS rule provided in a PDU session modification command message for different types of QoS rule errors.
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公开(公告)号：US20200323028A1
公开(公告)日：2020-10-08
申请号：US16838186
申请日：2020-04-02
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chi-Hsien Chen , Po-Ying Chuang , Po Kuang Lu
Abstract: A method of enhancing IP packet forwarding feature support after interworking is proposed. When a PDU session in 5GS is transferred to a PDN connection in EPS, the UE shall assume the feature is supported after inter-system change from 5GS to EPS. When a PDN connection is established in EPS, the network indicated that the feature is not supported, and the network provided 5GSM parameters for ESM/5GSM interworking for this PDN connection, then UE shall assume the feature is supported after inter-system change from EPS to 5GS, the UE shall also assume the feature is supported after inter-system change from 5GS back to EPS. The IP packet forwarding features include PS data off and local IP address in TFT.
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14.发明申请公开(公告)号：US20160113054A1
公开(公告)日：2016-04-21
申请号：US14884913
申请日：2015-10-16
Applicant: MEDIATEK INC.
Inventor： Chi-Hsien Chen , Po-Ying Chuang , Chien-Chun Huang-Fu
IPC: H04W76/02
CPC classification number: H04W36/28 , H04W36/0027 , H04W76/16 , H04W76/18 , H04W76/50
Abstract: A method of maintaining maximum number of bearers when maximum number of bearers reached is proposed. An enhanced SM/ESM procedure is proposed to synchronize between UE and network and to determine a precise maximum bearer number for protecting network resource and improving user experience. The UE determines the maximum bearer number based on a cause code contained in an SM reject message and updates the number under various network scenarios including system change.
Abstract translation: 提出了当达到最大承载数时保持最大承载数的方法。 提出了增强的SM / ESM程序，以在UE和网络之间进行同步，并确定用于保护网络资源和改善用户体验的精确最大承载数。 UE基于SM拒绝消息中包含的原因码确定最大承载数，并在包括系统变化在内的各种网络场景下更新该号码。
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Patent Agency Ranking
公开(公告)号：US11026124B2
公开(公告)日：2021-06-01
申请号：US16458523
申请日：2019-07-01
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Po-Ying Chuang
Abstract: A method of enhanced error handling for 5G QoS operations is proposed. A PDU session defines the association between the UE and the data network that provides a PDU connectivity service. Each PDU session is identified by a PDU session ID, and may include multiple QoS flows and QoS rules. Within a PDU session, there should be one and only one default QoS rule. The default QoS rule indication (DQR) and the QoS flow identifier (QFI) of a signaled QoS rule should not be changed. Two new 5G session management (5GSM) causes are defined: a semantic error in the QoS operation (cause value #83) and a syntactic error (cause value #84) in the QoS operation. The UE should check the QoS rule provided in a PDU session modification command message for different types of QoS rule errors.
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公开(公告)号：US20200008106A1
公开(公告)日：2020-01-02
申请号：US16458523
申请日：2019-07-01
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Po-Ying Chuang
Abstract: A method of enhanced error handling for 5G QoS operations is proposed. A PDU session defines the association between the UE and the data network that provides a PDU connectivity service. Each PDU session is identified by a PDU session ID, and may include multiple QoS flows and QoS rules. Within a PDU session, there should be one and only one default QoS rule. The default QoS rule indication (DQR) and the QoS flow identifier (QFI) of a signaled QoS rule should not be changed. Two new 5G session management (5GSM) causes are defined: a semantic error in the QoS operation (cause value #83) and a syntactic error (cause value #84) in the QoS operation. The UE should check the QoS rule provided in a PDU session modification command message for different types of QoS rule errors.
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17.发明授权公开(公告)号：US10117279B2
公开(公告)日：2018-10-30
申请号：US14884913
申请日：2015-10-16
Applicant: MEDIATEK INC.
Inventor： Chi-Hsien Chen , Po-Ying Chuang , Chien-Chun Huang-Fu
Abstract: A method of maintaining maximum number of bearers when maximum number of bearers reached is proposed. An enhanced SM/ESM procedure is proposed to synchronize between UE and network and to determine a precise maximum bearer number for protecting network resource and improving user experience. The UE determines the maximum bearer number based on a cause code contained in an SM reject message and updates the number under various network scenarios including system change.
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公开(公告)号：US09980310B2
公开(公告)日：2018-05-22
申请号：US14884896
申请日：2015-10-16
Applicant: MEDIATEK INC.
Inventor： Po-Ying Chuang , Chi-Hsien Chen , Chien-Chun Huang-Fu
IPC: H04W76/02
CPC classification number: H04W76/18
Abstract: A method of enhanced session management procedure is proposed. A user equipment, upon receiving a rejected PDN connectivity request with a cause code, automatically alters the rejected factor to fit network restrictions based on the received cause code. The UE then retries the PDN connectivity procedure by sending a subsequent PDN connectivity request using the altered factor. By automatically altering the rejected factor and reattempting to establish an EPS bearer for data service without user interaction, possible permanent rejection can be avoided in case of user error or unawareness.
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公开(公告)号：US20160113053A1
公开(公告)日：2016-04-21
申请号：US14884896
申请日：2015-10-16
Applicant: MEDIATEK INC.
Inventor： Po-Ying Chuang , Chi-Hsien Chen , Chien-Chun Huang-Fu
IPC: H04W76/02
CPC classification number: H04W76/18
Abstract: A method of enhanced session management procedure is proposed. A user equipment, upon receiving a rejected PDN connectivity request with a cause code, automatically alters the rejected factor to fit network restrictions based on the received cause code. The UE then retries the PDN connectivity procedure by sending a subsequent PDN connectivity request using the altered factor. By automatically altering the rejected factor and reattempting to establish an EPS bearer for data service without user interaction, possible permanent rejection can be avoided in case of user error or unawareness.
Abstract translation: 提出了一种增强会话管理过程的方法。 用户设备在接收到具有原因代码的拒绝的PDN连接请求后，根据所接收到的原因代码自动地改变被拒绝的因子以适应网络限制。 然后，UE通过使用改变的因子发送后续PDN连接请求来重试PDN连接过程。 通过自动更改被拒绝的因素，并尝试在没有用户交互的情况下建立数据服务的EPS承载，在用户错误或不知情的情况下可以避免可能的永久拒绝。
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