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公开(公告)号：US09450739B2
公开(公告)日：2016-09-20
申请号：US14411756
申请日：2013-07-01
Applicant: Intellectual Discovery Co., Ltd.
Inventor： Jung Hyoung Kwon , Young Jin Sang , Kwang Soon Kim
CPC classification number: H04L5/0073 , H04L5/0053 , H04W48/20 , H04W72/082 , H04W84/045
Abstract: Provided are a method and a device for avoiding interference of an uplink in a macro cell within a heterogeneous cellular network system. A femtocell base station calculates a degree of the interference of the uplink in the macro cell, and determines whether the interference is strong. If the interference of the uplink in the macro cell is strong, the femtocell base station changes the order of a femtocell uplink frame and a femtocell downlink frame.
Abstract translation: 提供了一种用于避免异构蜂窝网络系统内的宏小区中的上行链路的干扰的方法和装置。 毫微微小区基站计算宏小区中的上行链路的干扰度，判断干扰强度。 如果宏小区中的上行链路的干扰强，则毫微微小区基站改变毫微微小区上行链路帧和毫微微小区下行链路帧的顺序。
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2.发明授权Synchronization method of femtocell base station and femtocell base station using the same 有权使用相同的毫微微小区基站和毫微微小区基站的同步方法公开(公告)号：US09560615B2
公开(公告)日：2017-01-31
申请号：US14697826
申请日：2015-04-28
Applicant: Intellectual Discovery Co., Ltd.
Inventor： Kwang Soon Kim , Young Jin Sang
CPC classification number: H04W56/0015 , H04L5/0007 , H04W56/0055 , H04W74/006 , H04W92/20
Abstract: The exemplary embodiment of the present invention provides a method of synchronizing a femtocell base station securing time synchronization of a femtocell base station by allowing the femtocell base station to transmit a symbol to a terminal belonging to the femtocell by performing the time synchronization with a preamble signal when the femtocell base station receives the preamble signal from the macrocell base station in an orthogonal frequency division multiple access (OFDMA) communication system in which a femtocell is present in a macrocell.
Abstract translation: 本发明的示例性实施例提供了一种通过允许毫微微小区基站通过执行与前导码信号的时间同步来向属于毫微微小区的终端发送符号来同步确保毫微微小区基站的时间同步的毫微微小区基站的方法 当毫微微小区基站在宏小区中存在毫微微小区的正交频分多址（OFDMA）通信系统中从宏小区基站接收前导信号时，
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3.发明申请SYNCHRONIZATION METHOD OF FEMTOCELL BASE STATION AND FEMTOCELL BASE STATION USING THE SAME 有权FEMTOCELL基站和FEMTOCELL基站的同步方法公开(公告)号：US20150304976A1
公开(公告)日：2015-10-22
申请号：US14697826
申请日：2015-04-28
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor： Kwang Soon Kim , Young Jin Sang
CPC classification number: H04W56/0015 , H04L5/0007 , H04W56/0055 , H04W74/006 , H04W92/20
Abstract: The exemplary embodiment of the present invention provides a method of synchronizing a femtocell base station securing time synchronization of a femtocell base station by allowing the femtocell base station to transmit a symbol to a terminal belonging to the femtocell by performing the time synchronization with a preamble signal when the femtocell base station receives the preamble signal from the macrocell base station in an orthogonal frequency division multiple access (OFDMA) communication system in which a femtocell is present in a macrocell.
Abstract translation: 本发明的示例性实施例提供了一种通过允许毫微微小区基站通过执行与前导码信号的时间同步来向属于毫微微小区的终端发送符号来同步确保毫微微小区基站的时间同步的毫微微小区基站的方法 当毫微微小区基站在宏小区中存在毫微微小区的正交频分多址（OFDMA）通信系统中从宏小区基站接收前导信号时，
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公开(公告)号：US20150195078A1
公开(公告)日：2015-07-09
申请号：US14411756
申请日：2013-07-01
Applicant: Intellectual Discovery Co., Ltd
Inventor： Jung Hyoung Kwon , Young Jin Sang , Kwang Soon Kim
CPC classification number: H04L5/0073 , H04L5/0053 , H04W48/20 , H04W72/082 , H04W84/045
Abstract: Provided are a method and a device for avoiding interference of an uplink in a macro cell within a heterogeneous cellular network system. A femtocell base station calculates a degree of the interference of the uplink in the macro cell, and determines whether the interference is strong. If the interference of the uplink in the macro cell is strong, the femtocell base station changes the order of a femtocell uplink frame and a femtocell downlink frame.
Abstract translation: 提供了一种用于避免异构蜂窝网络系统内的宏小区中的上行链路的干扰的方法和装置。 毫微微小区基站计算宏小区中的上行链路的干扰度，判断干扰强度。 如果宏小区中的上行链路的干扰强，则毫微微小区基站改变毫微微小区上行链路帧和毫微微小区下行链路帧的顺序。
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