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公开(公告)号：US20230308840A1
公开(公告)日：2023-09-28
申请号：US18020866
申请日：2021-08-12
申请人： IDAC HOLDINGS, INC.
发明人： Xiaoyan Shi , Behrouz Aghili , Guanzhou Wang , Michelle Perras , Saad Ahmad
摘要： Systems, methods, and instrumentalities associated with providing and/or receiving a multicast-broadcast service (MBS) in a wireless communication system are described herein. A network relay may be used to facilitate the provision of the MBS to a remote wireless transmit/receive unit (WTRU). The network relay may request network authorization to join the MBS on behalf of the remote WTRU. The network relay may include an identifier of the remote WTRU and information regarding the multicast group that the remote WTRU desires to join in the authorization request. The network relay may inform the remote WTRU about an authorization response received from the network, and may forward MBS traffic to the remote WTRU if authorization is granted. The network relay may broadcast an MBS relay support indication to one or more remote WTRUs. The network relay may receive a group paging monitor request from a remote WTRU and may monitor group paging messages for the remote WTRU in response.
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公开(公告)号：US20220264522A1
公开(公告)日：2022-08-18
申请号：US17618213
申请日：2020-06-16
申请人： IDAC HOLDINGS, INC.
发明人： Alec Brusilovsky , Xiaoyan Shi , Ulises Olvera-Hernandez , Guanzhou Wang , Saad Ahmad , Samir Ferdi , Behrouz Aghili
摘要： A method for use in wireless transmit/receive unit (WTRU) which assesses both a first network and a second network to receive radio frames from each of the first network and the second network is disclosed. The method comprise: obtaining a first paging occasion (PO) as the first network's current PO and a second PO as the second network's current PO; determining whether there is a PO collision between the first PO and the second PO, on condition that there is the PO collision, selecting a network from the first network and the second network, and sending a request to the selected network; receiving, from the selected network, a collision avoidance parameter corresponding to the request; calculating a third PO for the selected network using the collision avoidance parameter, and using the third PO as the selected network's current PO.
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公开(公告)号：US20210297980A1
公开(公告)日：2021-09-23
申请号：US17340464
申请日：2021-06-07
申请人： IDAC Holdings, Inc.
摘要： Methods, apparatus and systems for managing a connection state of a Wireless Transmit/Receive Unit (WTRU) that is in Mobile Initiated Communication Only (MICO) mode are disclosed. One representative method may include the WTRU obtaining information indicating that the WTRU is to initiate registration prior to sending a Service Request (SR). The representative method may further include the WTRU sending a registration request in accordance with the obtained information and sending a SR after registering with a Network Entity.
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公开(公告)号：US11438953B2
公开(公告)日：2022-09-06
申请号：US16961047
申请日：2019-01-08
申请人： IDAC HOLDINGS, INC.
摘要： Methods, systems, and apparatuses for protocol data unit (PDU) session management over different access technologies (ATs) are disclosed. A wireless transmit/receive unit (WTRU) may receive a first message from a network over a first access technology. The first message may include an indication for the WTRU to reestablish resources for one or more protocol data unit (PDU) sessions over a second access technology. The WTRU may determine that a PDU session of the one or more PDU sessions is locally deactivated by the WTRU. The WTRU may determine that it is in a limited service state associated with the second access technology. The WTRU may send a second message via the first access technology. The second message may include a PDU session status information element (IE) indicating the PDU session is locally deactivated such that the network releases the PDU session.
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公开(公告)号：US20220256342A1
公开(公告)日：2022-08-11
申请号：US17731573
申请日：2022-04-28
申请人： IDAC Holdings, Inc.
摘要： Embodiments include methods and apparatuses for providing access to a network slice in a communication system. In an embodiment, a network server that implements a Control Plane (CP) Network Function (NF) may receive a Non-Access Stratum (NAS) message from a wireless transmit and receive unit (WTRU). The NAS message comprises a Mobility Management (MM) message for registration and a Session Management (SM) messages for a specific service provided by the network slice. After selecting the network slice, the network server may transmit the SM message to another CP NF in the network slice to establish a communication link between the WTRU and the network slice.
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公开(公告)号：US11350274B2
公开(公告)日：2022-05-31
申请号：US16089883
申请日：2017-03-31
申请人： IDAC HOLDINGS, INC.
摘要： Embodiments include methods and apparatuses for providing access to a network slice in a communication system. In an embodiment, a network server that implements a Control Plane (CP) Network Function (NF) may receive a Non-Access Stratum (NAS) message from a wireless transmit and receive unit (WTRU). The NAS message comprises a Mobility Management (MM) message for registration and a Session Management (SM) messages for a specific service provided by the network slice. After selecting the network slice, the network server may transmit the SM message to another CP NF in the network slice to establish a communication link between the WTRU and the network slice.
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公开(公告)号：US20240137785A1
公开(公告)日：2024-04-25
申请号：US18277337
申请日：2022-02-15
申请人： IDAC HOLDINGS, INC.
发明人： Behrouz Aghili , Samir Ferdi , Alec Brusilovsky
摘要： The disclosure pertains to methods and apparatus for minimization of service interruption in wireless networks, such as 5G networks. According to an embodiment, a method, implemented in a wireless transmit/receive unit, WTRU, comprises: transmitting, to a second network, first information indicating a request to register with the second network, wherein the first information comprises information indicating an identity of a first network to which the WTRU is currently registered; receiving, from the second network, second information indicating an acceptance of registration to the second network, wherein the second information comprises information indicating a maximum amount of PDU sessions, wherein the maximum amount corresponds to a limit of allowable PDU sessions; and transmitting, to the second network, third information indicating a request to establish a second amount of PDU sessions no more than the limit of allowable PDU sessions.
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公开(公告)号：US20220346178A1
公开(公告)日：2022-10-27
申请号：US17862521
申请日：2022-07-12
申请人： IDAC Holdings, Inc.
摘要： Methods, systems, and apparatuses for protocol data unit (PDU) session management over different access technologies (ATS) are disclosed. A wireless transmit/receive unit (WTRU) may receive a first message from a network over a first access technology. The first message may include an indication for the WTRU to reestablish resources for one or more protocol data unit (PDU) sessions over a second access technology. The WTRU may determine that a PDU session of the one or more PDU sessions is locally deactivated by the WTRU. The WTRU may send a second message via the first access technology. The second message may include a PDU session status information element (IE) indicating the PDU session is locally deactivated such that the network releases the PDU session.
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公开(公告)号：US20230199594A1
公开(公告)日：2023-06-22
申请号：US17926166
申请日：2021-05-21
申请人： IDAC HOLDINGS, INC.
CPC分类号： H04W36/08 , H04W36/0079
摘要： A method addressing handover procedure failure or cancellation includes receiving, by a remote wireless transmit/receive unit (WTRU) connected to a source NodeB, a handover command to begin a handover procedure to establish a connection with a target NodeB on a network. A method may further include, on a condition that the handover procedure fails, transmitting, by a relay TRU, a handover failure/cancellation indication to the remote WTRU and cancelling, by the remote WTRU, the handover procedure. A method may also include initiating, by the remote WTRU, a radio resource control (RRC) re-establishment procedure to connect with the source NodeB or a new NodeB.
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公开(公告)号：US11039413B2
公开(公告)日：2021-06-15
申请号：US16610370
申请日：2018-04-27
申请人： IDAC Holdings, Inc.
摘要： Methods, apparatus and systems for managing a connection state of a Wireless Transmit/Receive Unit (WTRU) that is in Mobile Initiated Communication Only (MICO) mode are disclosed. One representative method may include the WTRU obtaining information indicating that the WTRU is to initiate registration prior to sending a Service Request (SR). The representative method may further include the WTRU sending a registration request in accordance with the obtained information and sending a SR after registering with a Network Entity.
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