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1. 发明申请

US20180255480A1 LOAD BALANCING METHOD, LOAD BALANCING SYSTEM, AND ACCESS CONTROLLER 审中-公开
公开(公告)号：US20180255480A1
公开(公告)日：2018-09-06
申请号：US15910245
申请日：2018-03-02
申请人： Tian YANG , Yi Sun , Linju Yang , Haihua Yu , Chaofeng Li
发明人： Tian YANG , Yi Sun , Linju Yang , Haihua Yu , Chaofeng Li
IPC分类号： H04W28/08 , H04W76/10 , H04W76/25
CPC分类号： H04W28/08 , H04W36/22 , H04W76/10 , H04W76/25 , H04W84/12
摘要： A load balancing method, an access controller and a load balancing system are provided. The method includes receiving load status association information from a plurality of APs in a wireless local area network, respectively, the load status association information including load information and connectivity information, and the connectivity information being information for indicating one or more UEs that can be connected to an AP corresponding to the load status association information; determining, based on the load status association information, load statuses of the APs, and obtaining, using the load status association information, a load balancing connection scheme for balancing loads of the APs, when the load statuses satisfy a predetermined condition; and determining, based on the load balancing connection scheme, a correspondence relation between a specific UE and one of the plurality of APs to connect a UE and a corresponding AP.

2. 发明授权

US10674402B2 Load balancing system with an access controller in the field of communication technology 审中-公开
公开(公告)号：US10674402B2
公开(公告)日：2020-06-02
申请号：US15910245
申请日：2018-03-02
申请人： Yi Sun , Linju Yang , Haihua Yu , Chaofeng Li
发明人： Tian Yang , Yi Sun , Linju Yang , Haihua Yu , Chaofeng Li
IPC分类号： H04W28/08 , H04W76/25 , H04W76/10 , H04W36/22 , H04W84/12
摘要： A load balancing method, an access controller and a load balancing system are provided. The method includes receiving load status association information from a plurality of APs in a wireless local area network, respectively, the load status association information including load information and connectivity information, and the connectivity information being information for indicating one or more UEs that can be connected to an AP corresponding to the load status association information; determining, based on the load status association information, load statuses of the APs, and obtaining, using the load status association information, a load balancing connection scheme for balancing loads of the APs, when the load statuses satisfy a predetermined condition; and determining, based on the load balancing connection scheme, a correspondence relation between a specific UE and one of the plurality of APs to connect a UE and a corresponding AP.

3. 发明授权

US10482644B2 Method, apparatus and electronic device for processing panoramic image 有权
公开(公告)号：US10482644B2
公开(公告)日：2019-11-19
申请号：US15868131
申请日：2018-01-11
申请人： Chaofeng Li , Hong Yi , Liyan Liu , Haihua Yu , Hongyi Liu
发明人： Chaofeng Li , Hong Yi , Liyan Liu , Haihua Yu , Hongyi Liu
IPC分类号： G06T11/60 , G06T7/70 , G06T7/11 , H04N5/232
摘要： A method, an apparatus and an electronic device for processing a panoramic image are provided. The method includes converting a first planar projection image of the panoramic image into a spherical image; determining a position of a region of interest in the spherical image; and cutting and expanding the spherical image based on the position of the region of interest in the spherical image, and obtaining a second planar projection image of the panoramic image. A distance between the region of interest in the second planar projection image and a center point of the second planar projection image is shorter than a distance between the region of interest in the first planar projection image and a center point of the first planar projection image.

4. 发明授权

US09313746B2 Method and apparatus for determining transmission power of a secondary transmitter in a hierarchical spectrum sharing system 有权
标题翻译：用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置
公开(公告)号：US09313746B2
公开(公告)日：2016-04-12
申请号：US13995845
申请日：2011-09-16
申请人： Chaofeng Li , Lei Jiang , Ming Lei
发明人： Chaofeng Li , Lei Jiang , Ming Lei
IPC分类号： H04B7/00 , H04W52/24 , H04W52/22 , H04W52/34
CPC分类号： H04W52/241 , H04W52/226 , H04W52/244 , H04W52/34
摘要： The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
摘要翻译：本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。该方法可以包括以下步骤：从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率，其中所述发射功率与由所述信道质量信息指示的信道质量匹配。根据本发明的实施例，基于主链路上的信道质量信息，将次级发射机应用功率控制方案。以这种方式，可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量，因此可以进一步升级整个系统的频谱效率。

5. 发明申请

US20130344913A1 METHOD AND APPARATUS FOR DETERMINING TRANSMISSION POWER OF A SECONDARY TRANSMITTER IN A HIERARCHICAL SPECTURM SHARING SYSTEM 有权
标题翻译：用于确定分层分支系统中二次发射机传输功率的方法和装置
公开(公告)号：US20130344913A1
公开(公告)日：2013-12-26
申请号：US13995845
申请日：2011-09-16
申请人： Chaofeng Li , Lei Jiang , Ming Lei
发明人： Chaofeng Li , Lei Jiang , Ming Lei
IPC分类号： H04W52/24
CPC分类号： H04W52/241 , H04W52/226 , H04W52/244 , H04W52/34
摘要： The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
摘要翻译：本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。该方法可以包括以下步骤：从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率，其中所述发射功率与由所述信道质量信息指示的信道质量匹配。根据本发明的实施例，基于主链路上的信道质量信息，将次级发射机应用功率控制方案。以这种方式，可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量，因此可以进一步升级整个系统的频谱效率。

6. 发明申请

US20150133132A1 METHOD AND APPARATUS FOR PERFORMING D2D COMMUNICATION 有权
标题翻译：用于执行D2D通信的方法和装置
公开(公告)号：US20150133132A1
公开(公告)日：2015-05-14
申请号：US14384334
申请日：2012-06-06
申请人： Chaofeng Li , Ming Lei
发明人： Chaofeng Li , Ming Lei
IPC分类号： H04W76/02 , H04W52/24
CPC分类号： H04W76/023 , H04L1/0002 , H04L1/0021 , H04L1/1867 , H04W52/246 , H04W76/14
摘要： Embodiments of the disclosure provide methods and apparatuses for performing D2D communication in a communication system. The communication system may at least comprise a base station (BS), a D2D transmitter and a D2D receiver. The D2D transmitter transmits D2D data to the D2D receiver in a D2D communication.According to the method of the present invention, D2D data may be received from the D2D transmitter; and the received D2D data may be transmitted to the D2D receiver in response to receiving a negative message from the D2D receiver, wherein the negative message indicates that the D2D receiver fails to receive the D2D data from the D2D transmitter.
摘要翻译：本公开的实施例提供了用于在通信系统中执行D2D通信的方法和装置。通信系统可以至少包括基站（BS），D2D发射机和D2D接收机。 D2D发射机在D2D通信中向D2D接收机发送D2D数据。根据本发明的方法，可以从D2D发射机接收D2D数据; 并且所接收的D2D数据可以响应于从D2D接收机接收到否定消息而被发送到D2D接收机，其中负消息指示D2D接收机不能从D2D发射机接收D2D数据。

7. 发明申请

US20150110020A1 METHOD AND APPARATUS FOR INTERFERENCE CONTROL 有权
标题翻译：干扰控制的方法和装置
公开(公告)号：US20150110020A1
公开(公告)日：2015-04-23
申请号：US14385036
申请日：2012-06-07
申请人： Chaofeng Li , Ming Lei , Wei Xu , Le Liang , Hua Zhang , Shi Jin
发明人： Chaofeng Li , Ming Lei , Wei Xu , Le Liang , Hua Zhang , Shi Jin
IPC分类号： H04L5/00 , H04B15/00 , H04W76/02
CPC分类号： H04L5/0053 , H04B7/0617 , H04B7/0619 , H04B7/0626 , H04B15/00 , H04W76/14
摘要： Methods and apparatuses for interference control have been disclosed. A method for a base station in a wireless communication system, comprising: obtaining a system setting of the wireless communication system; selecting a transmission mode based at least in part on the system setting, wherein the transmission mode is one of an Interference Cancellation IC transmission mode and a Beamforming BF transmission mode; and configuring the selected transmission mode. The total system throughput may be maximized by dynamically switching the transmission mode between IC and BF at the base station. Further, the proposed switching mechanism may be applied to various communication networks where downlink interference may occur.
摘要翻译：已经公开了用于干扰控制的方法和装置。一种用于无线通信系统中的基站的方法，包括：获得所述无线通信系统的系统设置; 至少部分地基于系统设置来选择传输模式，其中传输模式是干扰消除IC传输模式和波束形成BF传输模式之一; 以及配置所选择的传输模式。通过在基站上动态切换IC和BF之间的传输模式，可以使总系统吞吐量最大化。此外，所提出的切换机制可以应用于可能发生下行链路干扰的各种通信网络。

8. 发明授权

US09769840B2 Method and apparatus for scheduling user equipment 有权
公开(公告)号：US09769840B2
公开(公告)日：2017-09-19
申请号：US14384337
申请日：2012-08-22
申请人： Chaofeng Li , Yu Zhang , Ming Lei
发明人： Chaofeng Li , Yu Zhang , Ming Lei
IPC分类号： H04W72/12 , H04W76/02 , H04W52/12 , H04W52/24 , H04W52/38
CPC分类号： H04W72/1205 , H04W52/12 , H04W52/242 , H04W52/383 , H04W72/12 , H04W76/14
摘要： Embodiments of the disclosure provide methods and apparatuses for scheduling a UE in a communication system comprising D2D communication and cellular communication. The cellular communication is performed between a base station (BS) and at least one UE, and the D2D communication is performed between a D2D transmitter and a D2D receiver. According to the method of the present invention, an outage margin of the D2D communication is obtained, wherein the outage margin indicates the margin that the communication from the D2D transmitter to the D2D receiver is in outage; and a target transmission power of the at least one UE is determined based on the outage margin to perform cellular scheduling.

9. 发明授权

US09578665B2 Method and apparatus for performing D2D communication 有权
标题翻译：执行D2D通信的方法和装置
公开(公告)号：US09578665B2
公开(公告)日：2017-02-21
申请号：US14384334
申请日：2012-06-06
申请人： Chaofeng Li , Ming Lei
发明人： Chaofeng Li , Ming Lei
IPC分类号： H04W76/02 , H04W52/24 , H04L1/00 , H04L1/18
CPC分类号： H04W76/023 , H04L1/0002 , H04L1/0021 , H04L1/1867 , H04W52/246 , H04W76/14
摘要： Embodiments of the disclosure provide methods and apparatuses for performing D2D communication in a communication system. The communication system may at least comprise a base station (BS), a D2D transmitter and a D2D receiver. The D2D transmitter transmits D2D data to the D2D receiver in a D2D communication. According to the method of the present invention, D2D data may be received from the D2D transmitter; and the received D2D data may be transmitted to the D2D receiver in response to receiving a negative message from the D2D receiver, wherein the negative message indicates that the D2D receiver fails to receive the D2D data from the D2D transmitter.
摘要翻译：本公开的实施例提供了用于在通信系统中执行D2D通信的方法和装置。通信系统可以至少包括基站（BS），D2D发射机和D2D接收机。 D2D发射机在D2D通信中向D2D接收机发送D2D数据。根据本发明的方法，可以从D2D发射机接收D2D数据; 并且所接收的D2D数据可以响应于从D2D接收机接收到否定消息而被发送到D2D接收机，其中负消息指示D2D接收机不能从D2D发射机接收D2D数据。

10. 发明授权

US09479312B2 Method and apparatus for interference control 有权
标题翻译：用于干扰控制的方法和装置
公开(公告)号：US09479312B2
公开(公告)日：2016-10-25
申请号：US14385036
申请日：2012-06-07
申请人： Chaofeng Li , Ming Lei , Wei Xu , Le Liang , Hua Zhang , Shi Jin
发明人： Chaofeng Li , Ming Lei , Wei Xu , Le Liang , Hua Zhang , Shi Jin
IPC分类号： H04L5/00 , H04B15/00 , H04W76/02 , H04B7/06
CPC分类号： H04L5/0053 , H04B7/0617 , H04B7/0619 , H04B7/0626 , H04B15/00 , H04W76/14
摘要： Methods and apparatuses for interference control have been disclosed. A method for a base station in a wireless communication system, comprising: obtaining a system setting of the wireless communication system; selecting a transmission mode based at least in part on the system setting, wherein the transmission mode is one of an Interference Cancellation IC transmission mode and a Beamforming BF transmission mode; and configuring the selected transmission mode. The total system throughput may be maximized by dynamically switching the transmission mode between IC and BF at the base station. Further, the proposed switching mechanism may be applied to various communication networks where downlink interference may occur.
摘要翻译：已经公开了用于干扰控制的方法和装置。一种用于无线通信系统中的基站的方法，包括：获得所述无线通信系统的系统设置; 至少部分地基于系统设置来选择传输模式，其中传输模式是干扰消除IC传输模式和波束形成BF传输模式之一; 以及配置所选择的传输模式。通过在基站上动态切换IC和BF之间的传输模式，可以使总系统吞吐量最大化。此外，所提出的切换机制可以应用于可能发生下行链路干扰的各种通信网络。

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