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    • 34. 发明申请
    • NEIGHBOR MANAGEMENT FOR MOBILE RELAY NODES
    • 移动终端的邻里管理
    • US20130059590A1
    • 2013-03-07
    • US13382112
    • 2011-12-15
    • Oumer TeyebFredrik GunnarssonGunnar MildhJessica Östergaard
    • Oumer TeyebFredrik GunnarssonGunnar MildhJessica Östergaard
    • H04W36/00
    • H04W36/0061H04W8/26H04W36/0083H04W36/08H04W84/005H04W84/047
    • A donor base station (12) serves a mobile cell (20) provided by a mobile relay node (16) and advantageously limits the cells that it notifies about its serving of the mobile cell (20) to those cells that currently neighbor both the donor cell and the mobile cell (20). To this end, the donor base station (12) determines, based on identifying information that identifies cells currently neighboring the mobile cell (20), a subset of cells that neighbor both the mobile cell (20) and the donor cell. The base station (12) then sends an update message to the subset indicating that it is serving the mobile cell (20). In some embodiments, the donor base station (12) generates the message to indicate that the particular cell it is serving is a mobile cell (20). The cells in the subset then control handover to or from that particular cell based on one or more defined handover triggering thresholds specific to mobile cells.
    • 供体基站(12)用于由移动中继节点(16)提供的移动小区(20),并且有利地将其通知的小区的移动小区(20)的服务通知给当前与捐助者相邻的那些小区 细胞和移动细胞(20)。 为此,供体基站(12)基于识别当前与移动小区(20)相邻的小区的识别信息,确定与移动小区(20)和供体小区相邻的小区子集。 然后,基站(12)向该子集发送指示其正在服务移动小区(20)的更新消息。 在一些实施例中,施主基站(12)生成消息以指示其正在服务的特定小区是移动小区(20)。 子集中的小区然后基于移动小区特有的一个或多个定义的切换触发阈值来控制到该特定小区或从该特定小区的切换。
    • 37. 发明申请
    • Relay enhanced cellular telecommunication network
    • 中继增强型蜂窝电信网络
    • US20120039299A1
    • 2012-02-16
    • US13136782
    • 2011-08-10
    • Oumer TeyebBernhard RaafWeihua Zhou
    • Oumer TeyebBernhard RaafWeihua Zhou
    • H04W36/00
    • H04W36/12H04B7/155H04B7/2606H04W28/08H04W36/0083H04W40/04H04W48/17H04W84/047H04W92/045
    • Systems and techniques for avoiding inefficiencies resulting from failed handover attempts. A base station selects one or more mobility management entity (MME) pools for assignment to a relay node, with the selection being performed so as to minimize or eliminate handover attempts requiring that a target device support a particular MME pool when the MME pool is not supported by the MME. A base station selects, when communicating with a relay node, a subset of the MME pools that it supports and assigns the subset to the base station. UEs served by the relay node are assigned the MME pool or MME pools assigned to the relay node. The relay node is informed of the MME pools supported by one or more neighbor nodes and, when attempting a handover to a neighbor node, attempts an X2 handover only to neighbor nodes supporting an MME pool assigned to the relay node.
    • 避免由于失败的切换尝试而导致的低效率的系统和技术。 基站选择用于分配给中继节点的一个或多个移动性管理实体(MME)池,其中执行选择以便在MME池不是时最小化或消除要求目标设备支持特定MME池的切换尝试 由MME支持。 当与中继节点通信时,基站选择其支持的MME池的子集,并将子集分配给基站。 由中继节点服务的UE分配给分配给中继节点的MME池或MME池。 向中继节点通知由一个或多个相邻节点支持的MME池,并且当尝试切换到相邻节点时,尝试仅向支持分配给中继节点的MME池的邻居节点进行X2切换。
    • 40. 发明申请
    • Security Key Generation for Dual Connectivity
    • 双连接的安全密钥生成
    • US20150092942A1
    • 2015-04-02
    • US14372920
    • 2014-01-30
    • Stefan WagerNiklas JohanssonKarl NorrmanOumer TeyebVesa Virkki
    • Stefan WagerNiklas JohanssonKarl NorrmanOumer TeyebVesa Virkki
    • H04W12/04H04L9/14
    • H04W12/04H04L9/14H04L63/061H04L2209/24H04L2209/80
    • Techniques for the secure generation of a set of encryption keys to be used for communication between a wireless terminal and an assisting base station in a dual-connectivity scenario. An example method includes generating (810) an assisting security key for the assisting base station, based on an anchor base station key. The generated assisting security key is sent (820) to the assisting base station, for use by the assisting base station in encrypting data traffic sent to the wireless terminal or in generating one or more additional assisting security keys for encrypting data traffic sent to the wireless terminal while the wireless terminal is dually connected to the anchor base station and the assisting base station. The anchor base station key, or a key derived from the anchor base station key, is used (830) for encrypting data sent to the wireless terminal by the anchor base station.
    • 用于在双连接情况下用于无线终端和辅助基站之间的通信的一组加密密钥的安全生成的技术。 示例性方法包括基于锚基站密钥生成(810)辅助基站的辅助安全密钥。 生成的辅助安全密钥被发送(820)到辅助基站,供辅助基站用于加密发送到无线终端的数据业务,或者生成一个或多个附加辅助安全密钥,用于加密发送到无线终端的数据业务 终端,而无线终端双重连接到锚基站和辅助基站。 使用锚基站密钥或从锚基站密钥导出的密钥(830)来加密由锚基站发送给无线终端的数据。