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    SYSTEM MESSAGE NOTIFICATION AND SENDING METHOD AND APPARATUS
    3.
    发明申请
    SYSTEM MESSAGE NOTIFICATION AND SENDING METHOD AND APPARATUS 审中-公开

    公开(公告)号：US20200162998A1

    公开(公告)日：2020-05-21

    申请号：US16619456

    申请日：2018-04-23

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Dajun ZHANG ,  Aijuan LIU ,  Ying WANG

    IPC: H04W48/10

    Abstract: Disclosed are a system message notification and sending method and apparatus. The method comprises: a CU determines system message relevant information; and the CU sends the system message relevant information to a DU. The DU receives the system message relevant information sent by the CU; and the DU notifies a terminal of the information. The present application provides an access control and system message processing solution under a CU-DU architecture, and a CU can provide sufficient auxiliary information to a DU, and thus the DU can generate suitable system information according to same. The two coordinate to provide a service to a UE, and the system efficiency is improved and a good user experience is ensured.

    METHOD FOR DETERMINING DATA FORWARDING TUNNEL, ACCESS AND MOBILITY MANAGEMENT FUNCTION ENTITY, AND BASE STATION
    5.
    发明申请
    METHOD FOR DETERMINING DATA FORWARDING TUNNEL, ACCESS AND MOBILITY MANAGEMENT FUNCTION ENTITY, AND BASE STATION 审中-公开

    公开(公告)号：US20200322851A1

    公开(公告)日：2020-10-08

    申请号：US16758017

    申请日：2018-08-28

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Jiancheng SUN ,  Hucheng WANG ,  Ying WANG

    IPC: H04W36/00

    Abstract: A method for determining a data forwarding tunnel, an AMF entity, and a base station (BS) are provided. The method includes: receiving data forwarding information of target UE forwarded by MME, and acquiring a QoS flow configured by a 5G core network for each bearer of the target UE, and mapping relationship between a bearer and a QoS flow, where the data forwarding information includes a list of bearers allocated by EPS to the target UE and an indication of a determination by a 4G BS as to whether each bearer of the target UE has data to forward; transmitting the data forwarding information, the configured QoS flow, and the mapping relationship to a target 5G BS; and receiving forwarding tunnel information of a 5G BS configured for the target UE by the target 5G BS according to the data forwarding information, the configured QoS flow, and the mapping relationship.

    METHOD AND DEVICE FOR PROCESSING DATA DURING CELL HANDOVER IN LTE SYSTEM
    6.
    发明申请
    METHOD AND DEVICE FOR PROCESSING DATA DURING CELL HANDOVER IN LTE SYSTEM 审中-公开
    LTE系统中小区切换过程中数据处理的方法和装置

    公开(公告)号：US20140301367A1

    公开(公告)日：2014-10-09

    申请号：US14308568

    申请日：2014-06-18

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Ying WANG ,  Haijing HU ,  Yihua JIANG ,  Guosheng ZHAO ,  Xunwei ZHAO

    IPC: H04W36/00

    CPC classification number: H04W36/0005 ,  H04L1/1642 ,  H04L1/1829 ,  H04L1/1874 ,  H04W36/02

    Abstract: A method and UE for processing data during cell handover in a Long Term Evolution (LTE) system are provided. The method includes: receiving, by User Equipment (UE), a Sequence Number (SN) of a Packet Data Convergence Protocol-Service Data Unit(PDCP-SDU) that is received by a Source Evolved Node B (S_eNB) from a Target Evolved Node B (T_eNB); discarding, by the UE, the PDCP-SDU that is received by the S_eNB from a re-transmission queue, and re-transmitting other PDCP-SDUs in the queue to the T_eNB. Thereby, UE would not re-transmit PDCP-SDU corresponding to received SN, which avoids re-transmission of useless PDCP-SDU, and saves radio resources comparing with prior solutions.

    Abstract translation: 提供了一种用于在长期演进（LTE）系统中的小区切换期间处理数据的方法和UE。 该方法包括：由用户设备（UE）从源演进的节点B（S_eNB）从目标演进接收到的分组数据汇聚协议服务数据单元（PDCP-SDU）的序列号（SN） 节点B（T_eNB）; 由UE丢弃由S_eNB从重发队列接收的PDCP-SDU，并将该队列中的其他PDCP-SDU重发给T_eNB。 因此，UE不会重新发送对应于接收到的SN的PDCP-SDU，这避免了无用的PDCP-SDU的重传，并且与现有的解决方案相比节省了无线电资源。

    METHOD, DEVICE AND SYSTEM FOR MAINTAINING CONTINUITY OF GROUP COMMUNICATION SERVICE
    7.
    发明申请
    METHOD, DEVICE AND SYSTEM FOR MAINTAINING CONTINUITY OF GROUP COMMUNICATION SERVICE 审中-公开
    维护组通信业务连续性的方法，设备及系统

    公开(公告)号：US20160323719A1

    公开(公告)日：2016-11-03

    申请号：US15105644

    申请日：2014-12-24

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Ying WANG ,  Jianhua LIU ,  Yali ZHAO

    IPC: H04W4/08 ,  H04W72/14 ,  H04W56/00 ,  H04W76/04 ,  H04W72/04 ,  H04W72/12 ,  H04W76/00

    CPC classification number: H04W4/08 ,  H04L12/189 ,  H04W56/0015 ,  H04W72/042 ,  H04W72/121 ,  H04W72/14 ,  H04W76/25 ,  H04W76/40 ,  H04W88/16

    Abstract: Disclosed are a method, device and system for maintaining the continuity of a group communication service, for solving the problem in the prior art that the service continuity requirement of group communication may not be satisfied due to the switching of network service from multicast transmission to unicast transmission in an MBSFN domain. The method comprises: when determining that group communication service needs to be switched from multicast transmission to unicast transmission, a GCSE-AS notifies a terminal served by the GCSE-AS that the GCSE-AS is going to switch the group communication service from multicast transmission to unicast transmission; and after receiving a first notification message transmitted by the terminal, the GCSE-AS transmits the group communication service over a unicast carrier established by the terminal for unicast transmission, and stops transmitting the communication service in multicast mode. The terminal has already established a unicast carrier for unicast transmission before the GCSE-AS switches the group communication service from multicast transmission to unicast transmission, thus ensuring the continuity of the group communication service.

    Abstract translation: 公开了一种用于维持组通信业务的连续性的方法，设备和系统，为了解决现有技术中的问题，由于从多播传输到单播的网络服务的转换，组通信的业务连续性要求可能不能满足 传输在MBSFN域。 该方法包括：当确定组通信业务需要从组播传输切换到单播传输时，GCSE-AS通知GCSE-AS所服务的终端GCSE-AS将从组播传输切换组通信业务 单播传输; 在接收到终端发送的第一通知消息之后，GCSE-AS通过单播建立的单播载波发送组播通信业务，进行单播传输，并以多播方式停止发送通信业务。 在GCSE-AS将群组通信业务从组播传输切换到单播传输之前，终端已经建立了用于单播传输的单播载波，从而保证了组通信业务的连续性。

    GROUP COMMUNICATION METHOD, DEVICE AND SYSTEM
    8.
    发明申请
    GROUP COMMUNICATION METHOD, DEVICE AND SYSTEM 审中-公开
    组通信方法，设备和系统

    公开(公告)号：US20160242216A1

    公开(公告)日：2016-08-18

    申请号：US15024452

    申请日：2014-09-24

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Yali ZHAO ,  Ying WANG ,  Fangli XU

    IPC: H04W76/02 ,  H04W48/16 ,  H04W4/08

    CPC classification number: H04W76/11 ,  H04L12/18 ,  H04L12/1886 ,  H04L12/189 ,  H04L65/1016 ,  H04L65/1069 ,  H04L65/403 ,  H04L65/4076 ,  H04L65/80 ,  H04N21/2668 ,  H04N21/41407 ,  H04N21/6405 ,  H04W4/06 ,  H04W4/08 ,  H04W8/00 ,  H04W48/16 ,  H04W76/40 ,  H04W88/023 ,  H04W92/10

    Abstract: Disclosed are a group communication method, device and system. An MBMS network side method comprises: receiving a session start request message sent by a mobility management device of an MBMS network; judging whether the session start request message carries a group identifier of a communication group in which a session requested by the session start request message is located; and if the session start request message carries the group identifier, forwarding the session start request message to an access network device, so that the access network device allocates an air interface identifier to the session requested by the session start request message, thereby conducting group communication. In the embodiments of the present application, a session start message transferred by an MBMS network side carries a group identifier, thus realizing group communication based on an MBMS network.

    Abstract translation: 公开了一种组通信方法，装置和系统。 MBMS网络侧方法包括：接收由MBMS网络的移动性管理设备发送的会话开始请求消息; 判断会话开始请求消息是否携带由会话开始请求消息请求的会话所在的通信组的组标识符; 如果会话开始请求消息携带组标识符，则将会话开始请求消息转发给接入网络设备，使得接入网络设备向会话开始请求消息请求的会话分配空中接口标识符，从而进行群组通信 。 在本申请的实施例中，由MBMS网络侧传送的会话开始消息携带组标识符，从而实现基于MBMS网络的组通信。

    METHOD AND APPARATUS FOR NOTIFYING A SUBFRAME CONFIGURATION OF MULTICAST BROADCAST SINGLE FREQUENCY NETWORK
    9.
    发明申请
    METHOD AND APPARATUS FOR NOTIFYING A SUBFRAME CONFIGURATION OF MULTICAST BROADCAST SINGLE FREQUENCY NETWORK 有权
    用于通知多播宽带广播单频网络的子帧配置的方法和装置

    公开(公告)号：US20160156426A1

    公开(公告)日：2016-06-02

    申请号：US15014261

    申请日：2016-02-03

    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

    Inventor： Ying WANG ,  Jiayi FANG ,  Xiaodong YANG

    IPC: H04H20/16 ,  H04J11/00 ,  H04W76/04 ,  H04L5/14 ,  H04W72/00 ,  H04W72/04

    CPC classification number: H04H20/16 ,  H04J11/00 ,  H04L5/14 ,  H04W72/005 ,  H04W72/0426 ,  H04W76/27

    Abstract: The present invention provides a method for notifying Multicast Broadcast Single Frequency Network (MBSFN) subframe configuration, which comprises the following steps: a first node sends its MBSFN subframe configuration, via an X2 interface, to a second node with which the first node is connected; the first node receives the MBSFN subframe configuration of the second node as a feedback. According to the invention, a serving cell can obtain the MBSFN subframe configurations of the neighboring cells and/or RNs, so that rational utilization of resources is achieved according to the configurations. Therefore, interference between cells is reduced, and system capacity and efficiency are improved.

    Abstract translation: 本发明提供一种通知组播广播单频网（MBSFN）子帧配置的方法，包括以下步骤：第一节点通过X2接口将其MBSFN子帧配置发送到第一节点与之连接的第二节点 ; 第一节点接收第二节点的MBSFN子帧配置作为反馈。 根据本发明，服务小区可以获得相邻小区和/或RN的MBSFN子帧配置，从而根据配置实现资源的合理利用。 因此，电池之间的干扰降低，系统容量和效率提高。

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