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    • 2. 发明申请
    • METHOD AND APPARATUS FOR MOBILITY CONTROL IN HETEROGENOUS NETWORK
    • 异构网络中移动性控制的方法与装置
    • US20150215838A1
    • 2015-07-30
    • US14423335
    • 2012-09-12
    • Haitao LiYang LiuYixue LeiKodo Shu
    • Haitao LiYang LiuYixue LeiKodo Shu
    • H04W36/30H04W36/00H04W12/04
    • H04W36/30H04W12/04H04W36/0038H04W36/08H04W84/045H04W92/20
    • Methods, corresponding apparatuses, and computer program products for mobility control in a heterogeneous network are provided. The method comprises sending, by a source local area base station (e.g., a source access point), a handover request for handing over a user equipment to a target local area base station (e.g., a target access point), wherein the source and target local area base stations are connected with a same wide area base station and the user equipment is connected with the same wide area base station via the source local area base station. The method also comprises handing over, based on a handover request acknowledgement from the target local area base station, the user equipment to the target local area base station for continuing with at least one of an ongoing local area service and an ongoing wide area service without changing security keys of the same wide area base station. With the claimed inventions, the handover latency and service continuity during the inter-AP mobility would be efficiently improved in a secure manner.
    • 提供了用于异构网络中的移动性控制的方法,相应的设备和计算机程序产品。 该方法包括由源局域基站(例如,源接入点)发送用于将用户设备切换到目标局域基站(例如,目标接入点)的切换请求,其中,源和 目标局域基站与同一广域基站连接,用户设备通过源局域基站与同一广域基站连接。 该方法还包括基于来自目标局域基站的切换请求确认将用户设备移交给目标局域基站,用于继续正在进行的本地服务和正在进行的广域服务中的至少一个,而不进行 改变同一广域基站的安全密钥。 利用所要求保护的发明,可以以安全的方式有效地提高AP间移动性期间的切换等待时间和业务连续性。
    • 7. 发明授权
    • Method of managing X2 interface, handover method, interference coordination method and apparatus
    • 管理X2接口的方法,切换方法,干扰协调方法和设备
    • US08548476B2
    • 2013-10-01
    • US13275853
    • 2011-10-18
    • Yixue LeiYongsheng Zhang
    • Yixue LeiYongsheng Zhang
    • H04W36/00
    • H04W36/20H04W8/005H04W16/32H04W74/02H04W84/045H04W88/08H04W92/20
    • Disclosed is a method of managing an X2 interface, a handover method, an interference coordination method and an apparatus for LTE and LTE-Advanced system. X2 interface management includes: finding by a first eNB, a new neighboring cell, i.e., a second cell corresponding to a second HeNB; determining by the first eNB, an access mode of the second cell; and establishing a first X2 interface between the first eNB and the second HeNB when the access mode of the second cell is an open mode or a hybrid mode. The X2 interface may be managed dynamically and the mode for establishing the X2 interface, such as direct X2 interface or gateway-proxied X2interface, may be selected. The expansible problem and system overhead due to the X2interface in the LTE and LTE-Advanced system may be reduced effectively to better support handover and interference coordination.
    • 本发明公开了一种管理X2接口的方法,切换方法,干扰协调方法以及用于LTE和LTE-Advanced系统的装置。 X2接口管理包括:由第一eNB寻找新的相邻小区,即对应于第二HeNB的第二小区; 由所述第一eNB确定所述第二小区的接入模式; 以及当所述第二小区的接入模式是开放模式或混合模式时,在所述第一eNB和所述第二HeNB之间建立第一X2接口。 可以动态地管理X2接口,并且可以选择用于建立X2接口的模式,例如直接的X2接口或网关代理的X2接口。 由于LTE和LTE-Advanced系统中的X2接口可扩展的问题和系统开销可能会有效降低,以更好地支持切换和干扰协调。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR HANDOVER IN HETEROGENEOUS SYSTEM
    • 异构系统中切换的方法和装置
    • US20150312811A1
    • 2015-10-29
    • US14443629
    • 2012-11-30
    • Yixue LEIHaitao LIKodo SHU
    • Yixue LeiHaitao LiKodo Shu
    • H04W36/00H04W36/38
    • H04W36/0055H04W36/38
    • Embodiments of the disclosure provide methods and apparatuses for handover in a heterogeneous network. According to the method, a candidate radio connectivity mode for use after handover from a source BS to a first target BS and/or a second target BS is determined; a first handover related message which comprises the candidate radio connectivity mode is sent to the source BS; and in response to receiving a second handover related message, the first target BS and/or the second target BS may be accessed, wherein the source BS is not associated with the first target BS, and wherein the first target BS is a LPN and is associated with the second target BS.
    • 本公开的实施例提供了用于异构网络中的切换的方法和装置。 根据该方法,确定在从源BS到第一目标BS和/或第二目标BS的切换之后使用的候选无线连接模式; 包括候选无线电连接模式的第一切换相关消息被发送到源BS; 并且响应于接收到第二切换相关消息,可以访问第一目标BS和/或第二目标BS,其中源BS不与第一目标BS相关联,并且其中第一目标BS是LPN并且是 与第二目标BS相关联。