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公开(公告)号：US20210120613A1
公开(公告)日：2021-04-22
申请号：US17134359
申请日：2020-12-26
发明人： Guanchen Li , Wenjie Peng , Liwei Qiu
IPC分类号： H04W76/15 , H04L12/741
摘要： Embodiments of this application provide a data sending method, apparatus, and system, and relate to the communications field, so that an SN change in dual connectivity does not affect performance of a network in which an MN is located. The data sending method specifically includes: determining, by a source node device, whether direct data forwarding is supported between the source node device and a destination node device; and sending, by the source node device, a first message including a first indication to a first node device, where the first indication is used to indicate whether the direct data forwarding is supported between the source node device and the destination node device. This application is used for data sending.
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公开(公告)号：US10582462B2
公开(公告)日：2020-03-03
申请号：US15894091
申请日：2018-02-12
发明人： Man Wang , Henrik Olofsson , Liwei Qiu
摘要： According to a synchronization method and apparatus provided in this application, a source station sends location information of the source station; and after obtaining a signal propagation delay that is calculated according to the location information of the source station and location information of a to-be-synchronized station, the to-be-synchronized station performs synchronization with the source station according to a synchronization reference time obtained by subtracting the propagation delay from a receiving time of a first network reference signal received from the source station. It can be learned that, in a process in which the to-be-synchronized station performs synchronization with the source station, the signal propagation delay between the to-be-synchronized station and the source station is used to compensate for the receiving time of the first network reference signal. Therefore, the consumed propagation delay can be subtracted from the synchronization reference time, so that synchronization accuracy is improved.
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公开(公告)号：US11212698B2
公开(公告)日：2021-12-28
申请号：US16708965
申请日：2019-12-10
发明人： Wenjie Peng , Mingzeng Dai , Liwei Qiu , Man Wang , Xudong Yang
摘要： Example communication methods and apparatus are described. One example method includes that a first communications apparatus sends quality of service (QoS) flow information to a second communications apparatus, where a QoS flow indicated by the QoS flow information corresponds to at least one bearer type. The first communications apparatus receives a QoS flow list sent by the second communications apparatus based on the QoS flow information, where each QoS flow list is mapped to a radio bearer. The first communications apparatus sends a radio bearer identifier of the QoS flow list to the second communications apparatus. In the embodiments of this application, a base station itself determines a radio bearer or a DRB used to transmit the QoS flow.
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公开(公告)号：US20140362827A1
公开(公告)日：2014-12-11
申请号：US14466049
申请日：2014-08-22
发明人： Xiaoying Xu , Dong Chen , Liwei Qiu , Xiaobo Wu
CPC分类号： H04W36/0055 , H04W8/02 , H04W8/06 , H04W36/0022 , H04W60/005
摘要： Embodiments of the present invention provide a method and an apparatus for determining a source SGSN. The method for determining a source SGSN includes: obtaining addressing information of a source SGSN through a NAS message sent by a UE; and sending the addressing information of the source SGSN to a target MME or a target SGSN, so that the target MME or the target SGSN determines the source SGSN according to the addressing information of the source SGSN. The embodiments of the present invention may ensure that an MSC obtains latest addressing information of a source SGSN of a UE, so that a target MME or a target SGSN obtains prepare bearer information of the UE from a correct source SGSN.
摘要翻译： 本发明的实施例提供了一种用于确定源SGSN的方法和装置。 用于确定源SGSN的方法包括：通过UE发送的NAS消息获取源SGSN的寻址信息; 并将源SGSN的寻址信息发送到目标MME或目标SGSN，使得目标MME或目标SGSN根据源SGSN的寻址信息来确定源SGSN。 本发明的实施例可以确保MSC获得UE的源SGSN的最新寻址信息，从而目标MME或目标SGSN从正确的源SGSN获取UE准备承载信息。
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公开(公告)号：US09699769B2
公开(公告)日：2017-07-04
申请号：US14701051
申请日：2015-04-30
发明人： Kun Yan , Yanyan Chen , Liwei Qiu , Bingzhao Li
CPC分类号： H04W72/0406 , H04W28/18
摘要： The present application discloses a method, an apparatus and a system for exchanging common E-RGCH information. The method includes: receiving a common E-RGCH information message of a cell managed by a second RNC, where the common E-RGCH information message is sent by the second RNC; selecting a candidate common E-RGCH receiving neighboring cell set for the UE, where the candidate common E-RGCH receiving neighboring cell set includes a neighboring cell with an available common E-RGCH feature and the neighboring cell is determined according to common E-RGCH information message sent by the second RNC; and sending common E-RGCH configuration parameter information of each cell in the candidate common E-RGCH receiving neighboring cell set to the UE.
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公开(公告)号：US09532277B2
公开(公告)日：2016-12-27
申请号：US14466049
申请日：2014-08-22
发明人： Xiaoying Xu , Dong Chen , Liwei Qiu , Xiaobo Wu
CPC分类号： H04W36/0055 , H04W8/02 , H04W8/06 , H04W36/0022 , H04W60/005
摘要： Embodiments of the present invention provide a method and an apparatus for determining a source SGSN. The method for determining a source SGSN includes: obtaining addressing information of a source SGSN through a NAS message sent by a UE; and sending the addressing information of the source SGSN to a target MME or a target SGSN, so that the target MME or the target SGSN determines the source SGSN according to the addressing information of the source SGSN. The embodiments of the present invention may ensure that an MSC obtains latest addressing information of a source SGSN of a UE, so that a target MME or a target SGSN obtains prepare bearer information of the UE from a correct source SGSN.
摘要翻译： 本发明的实施例提供了一种用于确定源SGSN的方法和装置。 用于确定源SGSN的方法包括：通过UE发送的NAS消息获取源SGSN的寻址信息; 并将源SGSN的寻址信息发送到目标MME或目标SGSN，使得目标MME或目标SGSN根据源SGSN的寻址信息来确定源SGSN。 本发明的实施例可以确保MSC获得UE的源SGSN的最新寻址信息，从而目标MME或目标SGSN从正确的源SGSN获取UE准备承载信息。
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公开(公告)号：US11817957B2
公开(公告)日：2023-11-14
申请号：US17565694
申请日：2021-12-30
发明人： Feng Han , Liwei Qiu , Xudong Yang , Yinghao Jin , Wei Tan
IPC分类号： H04L1/16 , H04L1/1607
CPC分类号： H04L1/1642
摘要： This application provides a data delivery status indicating method and an apparatus, to effectively indicate a data delivery status, facilitate more accurate flow control, and save transmission resources. A communication method is provided. The method includes a first network node sends data to a terminal device. The first network node sends first indication information and second indication information to a second network node. The first indication information indicated information about a highest sequence number (SN) successfully delivered in sequence in the data. The second indication information indicates information about an SN that is delivered after the highest SN.
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公开(公告)号：US11622403B2
公开(公告)日：2023-04-04
申请号：US17134359
申请日：2020-12-26
发明人： Guanchen Li , Wenjie Peng , Liwei Qiu
摘要： Embodiments of this application provide a data sending method, apparatus, and system, and relate to the communications field, so that an SN change in dual connectivity does not affect performance of a network in which an MN is located. The data sending method specifically includes: determining, by a source node device, whether direct data forwarding is supported between the source node device and a destination node device; and sending, by the source node device, a first message including a first indication to a first node device, where the first indication is used to indicate whether the direct data forwarding is supported between the source node device and the destination node device. This application is used for data sending.
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公开(公告)号：US11438739B2
公开(公告)日：2022-09-06
申请号：US17008911
申请日：2020-09-01
发明人： Feng Han , Yinghao Jin , Wei Tan , Liwei Qiu
IPC分类号： H04L12/14 , H04M15/00 , H04W4/24 , H04W24/08 , H04W24/10 , H04W28/02 , H04W76/11 , H04W76/15 , H04W84/02 , H04W88/08 , H04W88/18 , H04W92/02 , H04W92/12 , H04W92/20
摘要： This patent application provides a multi-connectivity data reporting method, including: obtaining, by a first network device, a first data volume report, where the first data volume report is used to indicate a volume of data that are of a terminal device and that pass through a second network device; and sending, by the first network device, the first data volume report to a third network device. The first data volume report includes one or more of QoS flow identifiers (QFIs) of one or more quality of service QoS flows, identifiers of one or more protocol data unit (PDU) sessions to which the one or more QoS flows belong, or data volumes of the one or more QoS flows.
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公开(公告)号：US20220123868A1
公开(公告)日：2022-04-21
申请号：US17565694
申请日：2021-12-30
发明人： Feng Han , Liwei Qiu , Xudong Yang , Yinghao Jin , Wei Tan
IPC分类号： H04L1/16
摘要： This application provides a data delivery status indicating method and an apparatus, to effectively indicate a data delivery status, facilitate more accurate flow control, and save transmission resources. A communication method is provided. The method includes a first network node sends data to a terminal device. The first network node sends first indication information and second indication information to a second network node. The first indication information indicated information about a highest sequence number (SN) successfully delivered in sequence in the data. The second indication information indicates information about an SN that is delivered after the highest SN.
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