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公开(公告)号：US20170094603A1
公开(公告)日：2017-03-30
申请号：US15273886
申请日：2016-09-23
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Yuan-Chieh Lin , Marko Niemi , Yu-Syuan Jheng
IPC: H04W52/02
CPC classification number: H04W52/0229 , H04W28/06 , H04W28/12 , H04W76/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/1262
Abstract: AT commands are used for controlling Mobile Termination (MT) functions and GSM/UMTS network services from a Terminal Equipment (TE) through Terminal Adaptor (TA). 3GPP introduces multiple backoff timers and barring to solve network congestion problem. However, a TE does not know the timer value and the barring status. In accordance with one novel aspect, a new AT command interface that can respond timer value and barring status to the TE is proposed. It reduces wasteful retries and saves power consumption of the TE. Through the new AT command interface, the TE can query backoff timer status. Via unsolicited result code (URC), the MT can detect backoff timer status change and report updated backoff timer status to the TE.
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公开(公告)号：US20170094501A1
公开(公告)日：2017-03-30
申请号：US15279087
申请日：2016-09-28
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu
Abstract: A method of timer handing upon SIM/USIM replacement is proposed. A user equipment (UE) initiates a session management (SM) or a mobility management (MM) request with a wireless network. The UE is attached to the network using a first SIM/USIM/profile. When NAS level session management (SM) or mobility management (MM) congestion control is active, the UE receives a SM/MM reject message from the network, which contains timer information. Based on the timer information, the UE starts a timer such that corresponding SM/MM request is barred. When a user replaces the first SIM/USIM/profile with a second SIM/USIM/profile while maintains power on, the UE stops the timer accordingly. As a result, the UE is able to initiate corresponding SM/MM request with the network.
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公开(公告)号：US09609507B2
公开(公告)日：2017-03-28
申请号：US14669205
申请日：2015-03-26
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , I-Kang Fu
CPC classification number: H04W8/205 , H04W60/005
Abstract: A method of supporting enhanced SIM replacement procedure is proposed. A UE detects that a first identification module running a first application is inserted. The first identification module belongs to a PLMN, and an enhanced service is provided by an operator of the PLMN via a second application. The UE sends a notification to the operator for obtaining a second identification module. The UE detects that the second identification module running the second application is inserted. The UE sends a second notification to the operator for activating the second identification module such that the UE is able to use the enhanced service provided by the operator. The device-assisted solution for SIM replacement complies with existing security/authentication model, has no standard charge, and complies with existing SIM replacement model and offers a simpler and more automatic procedure.
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公开(公告)号：US09386425B2
公开(公告)日：2016-07-05
申请号：US14221631
申请日：2014-03-21
Applicant: MEDIATEK INC.
Inventor： Chia-Hao Yu , Chia-Chun Hsu , Yih-Shen Chen , Chien-Chun Huang-Fu , Yu-Syuan Jheng , Chia-Hung Tsai
IPC: H04B7/00 , H04W4/08 , H04W4/10 , H04W36/32 , H04W72/00 , H04W36/08 , H04W76/00 , H04W4/06 , H04W74/00
CPC classification number: H04W4/08 , H04L5/0037 , H04L12/185 , H04L12/1886 , H04W4/06 , H04W4/10 , H04W24/08 , H04W36/0083 , H04W36/08 , H04W36/30 , H04W36/32 , H04W72/00 , H04W72/005 , H04W72/121 , H04W74/006 , H04W76/40
Abstract: A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. In one embodiment, the access information comprises mapping information between the TMGI and the communication group ID.
Abstract translation: 提供了一种通过LTE MBMS支持群组通信的方法。 UE首先在用于组通信的LTE网络中建立单播演进分组业务（EPS）承载。 UE属于具有通信组ID的通信组。 UE从网络接收基于多播决定的DL组通信的下行链路（DL）组播流量的接入信息。 然后，UE准备监视用于接收DL多播业务的组播多媒体广播多播服务（MBMS）承载。 组播MBMS承载与临时移动组标识符（TMGI）相关联，并且其中TMGI与通信组ID相关联。 在一个实施例中，访问信息包括TMGI和通信组ID之间的映射信息。
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公开(公告)号：US20150207827A1
公开(公告)日：2015-07-23
申请号：US14598040
申请日：2015-01-15
Applicant: MEDIATEK INC.
Inventor： Yu-Syuan Jheng , Chien-Chun Huang-Fu , Nuan-Yu Yang
CPC classification number: H04L65/1083 , H04L65/1016 , H04L65/1046 , H04L65/403 , H04L65/4038 , H04W36/0011 , H04W36/0022
Abstract: A method to manage call continuity in a network environment including a circuit-switched network and an IP multimedia subsystem (IMS) network is provided. A UE monitors one or more ongoing sessions in an IMS network, and the ongoing sessions contain at least one conference call. The UE detects a network-switching event for the UE to switch from the IMS network to a circuit-switched CS network. The UE then determines the one or more ongoing sessions within the IMS network to be released or transferred to the CS network. Finally, the UE performs a session transfer procedure for transferring the determined sessions.
Abstract translation: 提供了一种在包括电路交换网络和IP多媒体子系统（IMS）网络的网络环境中管理呼叫连续性的方法。 UE监视IMS网络中的一个或多个正在进行的会话，并且正在进行的会话包含至少一个电话会议。 UE检测用于UE从IMS网络切换到电路交换CS网络的网络切换事件。 然后，UE确定将要释放或传送到CS网络的IMS网络内的一个或多个正在进行的会话。 最后，UE执行用于传送所确定的会话的会话转移过程。
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Patent Agency Ranking
公开(公告)号：US12028710B2
公开(公告)日：2024-07-02
申请号：US17474886
申请日：2021-09-14
Applicant: MEDIATEK INC.
Inventor： Yuan-Chieh Lin , Chien-Chun Huang-Fu , Chia-Lin Lai
IPC: H04W12/08
CPC classification number: H04W12/08
Abstract: A method of enhanced handling of a Forbidden SNPN list by a UE is proposed. When the UE registers to a first SNPN using credentials supplied by a second SNPN and receives a rejection from the network, the UE adds an entry of the first SNPN into one of the forbidden SNPN lists, and also creates an association between the first SNPN and the second SNPN. As a result, the UE is refrained from registering to the first SNPN using the credentials supplied by the second SNPN as long as the first SNPN entry remains in the forbidden SNPN list. However, the UE is allowed to register to the first SNPN using credentials supplied by other SNPNs.
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公开(公告)号：US20230133792A1
公开(公告)日：2023-05-04
申请号：US17969534
申请日：2022-10-19
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chi-Hsien Chen , Yuan-Chieh Lin
Abstract: A method for handling a collision of a UE-requested PDU session establishment procedure and a network-requested PDU session modification procedure is proposed. When a PDU SESSION ESTABLISHMENT REQUEST message indicates that the UE-requested PDU session establishment request procedure is to handover an existing PDU session between 5G 3GPP access and 5G non-3GPP access, UE and NW proceed with the UE-requested PDU session establishment procedure and abort the NW-requested PDU session modification procedure. When a PDU SESSION ESTABLISHMENT REQUEST message indicates that the UE-requested PDU session establishment request procedure is to establish user plane resources for an MA PDU session, UE and NW proceed with both the UE-requested PDU session establishment procedure and the NW-requested PDU session modification procedure.
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公开(公告)号：US20230112434A1
公开(公告)日：2023-04-13
申请号：US17903283
申请日：2022-09-06
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chia-Yu Ku , Yu-Hsin Lin
Abstract: A method for route selection policy (URSP) rule matching enhancement in EPS is proposed. When an application is executed, the upper layer of a UE sends the application information to URSP entity for matching a URSP rule. The UE selects and evaluates a route selection descriptor (RSD) from a list of RSDs of a selected URSP rule to be matched with a PDN connection. If there is a “PDU session pair ID type” and/or “RSN type” route selection descriptor components in an RSD, such RSD components are intended for a redundant PDU session, which is not supported in EPS. Therefore, the UE ignores the specific RSD components and continues to evaluate the RSD with the remaining RSD components.
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公开(公告)号：US20230101436A1
公开(公告)日：2023-03-30
申请号：US17901836
申请日：2022-09-01
Applicant: MEDIATEK INC.
Inventor： Yuan-Chieh Lin , Chien-Chun Huang-Fu
Abstract: A method of determining paging restriction on downlink signals for MUSIM UEs is proposed. If a UE requests the network to support paging restriction over the first USIM, the UE can send a request message to the network, carrying a UE-preferred paging restriction information. Subsequently, the UE should then receive an accept message from the network that the paging is restricted over the first USIM based on the UE-preferred paging restriction information. As a result, when DL signaling is pending for the UE over the first USIM, the network can determine whether it should page the UE over the first USIM based on the paging restriction type indicated in the paging restriction information. Since the DL signaling is selectively restricted over USIM1, the UE can perform more important jobs over USIM2 with better performance and user experience.
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公开(公告)号：US20230101341A1
公开(公告)日：2023-03-30
申请号：US17901844
申请日：2022-09-01
Applicant: MEDIATEK INC.
Inventor： Yuan-Chieh Lin , Pan-Yen Chiang , Chien-Chun Huang-Fu
Abstract: A method of handling NAS signaling connection release under mobility management congestion control for MUSIM UE is proposed. A MUSIM UE has established a NAS signaling connection on a first USIM in connected mode. Later on, the MUSIM UE has more important job to be started on the second USIM. The MUSIM UE wishes to initiate a service request procedure by transmitting a service request to the network, to release the NAS signaling connection on the first USIM. However, under the 5GMM/EMM signaling congestion condition with timer T3346 running, the AMF/MME rejects 5GMM/EMM signaling requests from UE. In one novel aspect, the MUSIM UE requests the network to release the NAS signaling connection while timer T3346 is still running. As a result, the MUSIM UE is able to start the more important job on the second USIM, or to improve user experience on the second USIM.
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