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1. 发明授权

US11617115B2 Method and eNB equipment for supporting seamless handover 有权
公开(公告)号：US11617115B2
公开(公告)日：2023-03-28
申请号：US17449427
申请日：2021-09-29
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Xiaowan Ke , Hong Wang , Gert Jan Van Lieshout
IPC分类号： H04W36/18 , H04W76/20 , H04W36/02 , H04W76/14 , H04W76/27 , H04W8/22 , H04W24/08 , H04W52/02 , H04W80/02 , H04W74/08 , H04W80/08
摘要： The present application discloses a method and eNB equipment for supporting seamless handover. The method comprises the following steps of: receiving, by a target eNB, random access information or an RRC connection reconfiguration completion message from a UE; transmitting, by the target eNB, a data transmission stopping indication message to a source eNB; and, stopping, by the source eNB, transmitting downlink data to the UE, and/or stopping, by the source eNB, receiving uplink data from the UE. The present invention further provides several other methods and eNB equipments for supporting seamless handover. By the methods for supporting seamless handover provided by the present invention, the delay of data transmission and the unnecessary data transmission or unnecessary data monitoring of a source eNB can be avoided, the waste of resources and the power consumption can be reduced, and the missing and duplication transmission of data can be avoided.

2. 发明授权

US11558916B2 Method and apparatus for establishing dual-connectivity to transmit data in new radio communication architecture 有权
公开(公告)号：US11558916B2
公开(公告)日：2023-01-17
申请号：US17093091
申请日：2020-11-09
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Hong Wang , Xiaowan Ke , Lixiang Xu , Qi Li
IPC分类号： H04W76/15 , H04W76/11
摘要： A method and an apparatus of establishing dual-connectivity to transmit data are disclosed. A PCell of the UE carries out a mapping function and realizes a PDCP layer, a RLC layer, a MAC layer and a physical layer, and a SCell of the UE carries out quality packet data to data radio bearer mapping and realizes a PDCP layer, a MAC layer and a physical layer, in which a core network transmits data of the UE to the PCell, the PCell maps a QoS Flow of the data of the UE which is quality packet data to a data radio bearer on a mapping layer, performs path split, transmits data of respective paths to the UE through the PCell and SCell of the UE, and the UE regroups the data of the respective paths on the PDCP layer, and transmits the regrouped data to an application layer.

3. 发明授权

US11490358B2 Methods for supporting access and paging of low complexity user equipment 有权
公开(公告)号：US11490358B2
公开(公告)日：2022-11-01
申请号：US17113542
申请日：2020-12-07
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Xiaowan Ke
IPC分类号： H04W68/02 , H04W36/08 , H04W92/20 , H04W8/24 , H04W68/00 , H04W36/00 , H04W36/30
摘要： An embodiment of the present disclosure provides a method for supporting paging of a low complexity UE, including: determining, by a target base station during handover of a UE, whether a source base station during the handover supports low complexity UE, and transmitting paging capability information of the UE to a Mobility Management Entity MME in response to determining that the source base station does not support low complexity UE, wherein the paging capability information of the UE is used by the MME for paging the UE. The method provided by embodiments of the present disclosure is able to enhance paging with respect to the low complexity UE.

4. 发明授权

US11457391B2 Method and eNB equipment for supporting seamless handover 有权
公开(公告)号：US11457391B2
公开(公告)日：2022-09-27
申请号：US17066371
申请日：2020-10-08
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Xiaowan Ke , Hong Wang , Gert Jan Van Lieshout
IPC分类号： H04W36/18 , H04W76/20 , H04W36/02 , H04W76/14 , H04W76/27 , H04W8/22 , H04W24/08 , H04W52/02 , H04W80/02 , H04W74/08 , H04W80/08
摘要： The present application discloses a method and eNB equipment for supporting seamless handover. The method comprises the following steps of: receiving, by a target eNB, random access information or an RRC connection reconfiguration completion message from a UE; transmitting, by the target eNB, a data transmission stopping indication message to a source eNB; and, stopping, by the source eNB, transmitting downlink data to the UE, and/or stopping, by the source eNB, receiving uplink data from the UE. The present invention further provides several other methods and eNB equipments for supporting seamless handover. By the methods for supporting seamless handover provided by the present invention, the delay of data transmission and the unnecessary data transmission or unnecessary data monitoring of a source eNB can be avoided, the waste of resources and the power consumption can be reduced, and the missing and duplication transmission of data can be avoided.

5. 发明授权

US11356918B2 Method and apparatus for controlling or paging a user equipment 有权
公开(公告)号：US11356918B2
公开(公告)日：2022-06-07
申请号：US16323901
申请日：2017-08-11
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Hong Wang , Qi Li , Xiaowan Ke
IPC分类号： H04W36/32 , H04W48/18 , H04W24/10 , H04W68/00 , H04W68/04 , H04W8/08 , H04W60/04 , H04W8/22 , H04W48/04 , H04W88/08
摘要： A communication method and system for controlling and paging a user equipment (UE) are provided. The method includes receiving mobility level information of a UE, and performing at least one of handover control, measurement control, or paging for the UE according to mobility level information of the UE.

6. 发明授权

US11190968B2 Apparatus and method for managing connections in wireless communication system 有权
公开(公告)号：US11190968B2
公开(公告)日：2021-11-30
申请号：US16623201
申请日：2018-06-15
申请人： Samsung Electronics Co., Ltd.
发明人： Xiaowan Ke , Lixiang Xu , Hong Wang
IPC分类号： H04W28/02 , H04W76/12 , H04W76/15 , H04W76/30
摘要： The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure provides a method for connection set-up and corresponding master base station and secondary base station. The method includes: transmitting a secondary base station setup request message to a secondary base station, and receiving a secondary base station setup response message which comprises mapping information from a quality of service (QoS) flow to a data radio bearer (DRB). The present disclosure further provides a method of requesting a secondary cell group (SCG) configuration and corresponding master base station and secondary base station. The method includes: transmitting a secondary base station modification request message for requesting SCG configuration information, the secondary base station modification request message carrying indication information for indicating that a master base station needs to obtain SCG configuration information; and receiving a secondary base station modification response message transmitted by the secondary base station, the secondary base station modification response message carrying the SCG configuration information. The present disclosure further provides methods and devices for controlling a session operation and a corresponding computer readable medium.

7. 发明授权

US11147111B2 Inter-MeNB handover method and device in a small cell system 有权
公开(公告)号：US11147111B2
公开(公告)日：2021-10-12
申请号：US16902621
申请日：2020-06-16
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Xiaowan Ke , Hong Wang
IPC分类号： H04W36/18 , H04W36/04 , H04W76/11 , H04W36/00 , H04W36/08 , H04W36/38 , H04W76/15
摘要： An embodiment of the present disclosure may provide an inter-MeNB handover method in a small cell system, including: making, by a source MeNB and/or target MeNB, a determination as to whether to maintain a SeNB when handover is performed; and triggering different handover processes according to a result of the determination as to whether to maintain the SeNB. Another embodiment of the present disclosure may further provide an inter-MeNB handover device in a small cell system. With the inter-MeNB handover method and device in a small cell system provided by the present disclosure, unnecessary deletion and re-establishment of the bearers at the SeNB for the UE may be reduced. False bearer deletion may be avoided and data forwarding may be reduced. Furthermore, the SeNB may be maintained according to network deployment and SGW re-selection may be supported. Therefore, system capacity and transmission speed of the data may be improved.

8. 发明授权

US11140601B2 Reducing delay of a UE access to a network 有权
公开(公告)号：US11140601B2
公开(公告)日：2021-10-05
申请号：US16312604
申请日：2017-06-23
申请人： Samsung Electronics Co., Ltd.
发明人： Xiaowan Ke , Hong Wang , Lixiang Xu
IPC分类号： H04W36/22 , H04W36/12 , H04W68/00 , H04W48/08
摘要： A data transmission supporting method and apparatus, which includes obtaining, by a first node, access information of a UE; transmitting, by the first node, data information associated with the UE or data of the UE buffered in the first node to a second radio access network node accessed by the UE according to the access information. According to the present disclosure, service continuity requirements in the further mobile communication network can be effectively adapted.

9. 发明授权

US10805847B2 Method and apparatus for controlling WLAN bearer 有权
公开(公告)号：US10805847B2
公开(公告)日：2020-10-13
申请号：US16383932
申请日：2019-04-15
申请人： Samsung Electronics Co., Ltd.
发明人： Xiaowan Ke , Lixiang Xu , Hong Wang
IPC分类号： H04W36/00 , H04W28/02 , H04W84/12 , H04W84/04
摘要： A method for controlling a wireless local area network (WLAN) bearer is provided. The method includes a base station receives information including at least one of WLAN information of a WLAN node, WLAN aggregation response information, WLAN aggregation update response information, WLAN aggregation update information and a WLAN capability of UE. According to the received information, the base station instructs the UE to perform traffic steering between an E-UTRAN and the WLAN, or instructs the UE to perform control processing for the EUTRAN and WLAN aggregation. By using the present disclosure, efficiency of WLAN bearer control is improved.

10. 发明授权

US10595243B2 Inter-MeNB handover method and device in a small cell system 有权
公开(公告)号：US10595243B2
公开(公告)日：2020-03-17
申请号：US15322042
申请日：2015-07-10
申请人： Samsung Electronics Co., Ltd.
发明人： Lixiang Xu , Xiaowan Ke , Hong Wang
IPC分类号： H04W36/28 , H04W36/00 , H04W36/08 , H04W76/11 , H04W36/18 , H04W36/38 , H04W76/15
摘要： An embodiment of the present disclosure may provide an inter-MeNB handover method in a small cell system, including: making, by a source MeNB and/or target MeNB, a determination as to whether to maintain a SeNB when handover is performed; and triggering different handover processes according to a result of the determination as to whether to maintain the SeNB. Another embodiment of the present disclosure may further provide an inter-MeNB handover device in a small cell system. With the inter-MeNB handover method and device in a small cell system provided by the present disclosure, unnecessary deletion and re-establishment of the bearers at the SeNB for the UE may be reduced. False bearer deletion may be avoided and data forwarding may be reduced. Furthermore, the SeNB may be maintained according to network deployment and SGW re-selection may be supported. Therefore, system capacity and transmission speed of the data may be improved.

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