公开(公告)号：US09736696B2

公开(公告)日：2017-08-15

申请号：US15130963

申请日：2016-04-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Li Yi ,  Jianshe Dai ,  Yujuan Yang

IPC: H04W4/00 ,  H04W72/00 ,  H04W16/08 ,  H04B17/318

CPC classification number: H04W16/08 ,  H04B17/318 ,  H04W16/28 ,  H04W88/085

Abstract: The present invention relates to an antenna splitting method in an active antenna system and a controller, where the method includes: when load of an active antenna system AAS cell is greater than or equal to a load threshold, if a cell in an optimized area is not overloaded, load of a first cell is less than the load of the AAS cell, and load of a second cell is less than the load of the AAS cell, acquiring a first antenna parameter combination corresponding to a maximum capacity of the optimized area; and splitting an AAS antenna according to the first antenna parameter combination. The antenna splitting method in an active antenna system and the controller according to embodiments of the present invention can effectively reduce the load of a heavily loaded AAS cell, and effectively increase a capacity of the optimized area.

公开(公告)号：US09888395B2

公开(公告)日：2018-02-06

申请号：US15196963

申请日：2016-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianshe Dai

IPC: H04W24/02 ,  H04W28/08 ,  H04W28/02 ,  H04B17/318 ,  H04B17/345 ,  H04W16/24 ,  H04W24/08

CPC classification number: H04W24/02 ,  H04B17/318 ,  H04B17/345 ,  H04W16/24 ,  H04W24/08 ,  H04W28/0236 ,  H04W28/0284 ,  H04W28/08

Abstract: Embodiments of this application provide a control method and apparatus. The method includes: determining, by a baseband unit BBU when the BBU determines that network quality of a first cell of multiple cells within coverage of the BBU decreases, load information of the first cell; when load of the first cell is less than or equal to a first load threshold, determining, according to signal strength of all remote radio units RRUs, a second cell, having the strongest signal interference to the first cell, of neighboring cells of the first cell; and combining an RRU of the first cell with an RRU of the second cell to obtain a combined cell. The embodiments of this application improve network quality and improve user network experience.

公开(公告)号：US20160309350A1

公开(公告)日：2016-10-20

申请号：US15196963

申请日：2016-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianshe Dai

IPC: H04W24/02 ,  H04B17/318 ,  H04B17/345 ,  H04W16/24

CPC classification number: H04W24/02 ,  H04B17/318 ,  H04B17/345 ,  H04W16/24 ,  H04W24/08 ,  H04W28/0236 ,  H04W28/0284 ,  H04W28/08

Abstract: Embodiments of this application provide a control method and apparatus. The method includes: determining, by a baseband unit BBU when the BBU determines that network quality of a first cell of multiple cells within coverage of the BBU decreases, load information of the first cell; when load of the first cell is less than or equal to a first load threshold, determining, according to signal strength of all remote radio units RRUs, a second cell, having the strongest signal interference to the first cell, of neighboring cells of the first cell; and combining an RRU of the first cell with an RRU of the second cell to obtain a combined cell. The embodiments of this application improve network quality and improve user network experience.

Abstract translation: 本申请的实施例提供了一种控制方法和装置。 该方法包括：当BBU确定BBU的覆盖范围内的多个小区的第一小区的网络质量下降时，由基带单元BBU确定负载第一小区的信息; 当第一小区的负载小于或等于第一负载阈值时，根据所有远程无线电单元RRU的信号强度，确定第一小区具有对第一小区具有最强信号干扰的第一小区， 细胞; 以及将第一小区的RRU与第二小区的RRU组合以获得组合小区。 该应用的实施例提高网络质量并改善用户网络体验。

公开(公告)号：US09832689B2

公开(公告)日：2017-11-28

申请号：US15348258

申请日：2016-11-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Li Xu ,  Jianshe Dai ,  Anquan Yang ,  Jian Zhang ,  Zilong Gu ,  Qingwen Wang

IPC: H04W36/00 ,  H04W92/20

CPC classification number: H04W36/0055 ,  H04W36/0094 ,  H04W92/20

Abstract: Embodiments of the present invention provide a cell handover method, a base station and a system, which relate to the field of wireless communications technologies. The method includes: determining, by a source eNB according to uplink RSRP of a UE in a serving cell and a target cell, whether to hand over the UE from the serving cell to the target cell; and if yes, acquiring UE parameters including TA of the UE in the target cell, and sending UE data and the UE parameters to a target eNB, where the TA is used for uplink synchronization between the target eNB and the UE.

公开(公告)号：US20160234693A1

公开(公告)日：2016-08-11

申请号：US15130963

申请日：2016-04-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Li Yi ,  Jianshe Dai ,  Yujuan Yang

IPC: H04W16/08 ,  H04B17/318

CPC classification number: H04W16/08 ,  H04B17/318 ,  H04W16/28 ,  H04W88/085

Abstract: The present invention relates to an antenna splitting method in an active antenna system and a controller, where the method includes: when load of an active antenna system AAS cell is greater than or equal to a load threshold, if a cell in an optimized area is not overloaded, load of a first cell is less than the load of the AAS cell, and load of a second cell is less than the load of the AAS cell, acquiring a first antenna parameter combination corresponding to a maximum capacity of the optimized area; and splitting an AAS antenna according to the first antenna parameter combination. The antenna splitting method in an active antenna system and the controller according to embodiments of the present invention can effectively reduce the load of a heavily loaded AAS cell, and effectively increase a capacity of the optimized area.

Abstract translation: 本发明涉及有源天线系统和控制器中的天线分离方法，其中该方法包括：当有源天线系统AAS小区的负载大于或等于负载阈值时，如果优化区域中的小区为 不过载，第一小区的负载小于AAS小区的负载，并且第二小区的负载小于AAS小区的负载，获取对应于优化区域的最大容量的第一天线参数组合; 以及根据第一天线参数组合分割AAS天线。 有源天线系统中的天线分离方法和根据本发明的实施例的控制器可以有效地减轻重载AAS小区的负载，并且有效地增加优化区域的容量。