公开(公告)号：EP2219399A1

公开(公告)日：2010-08-18

申请号：EP09360012.0

申请日：2009-02-12

申请人： Alcatel Lucent

发明人： O'Caroll, Joseph ,  Claussen, Holger

IPC分类号： H04W16/10 ,  H04W16/14

CPC分类号： H04W16/10 ,  H04W16/14 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/082 ,  H04W84/045 ,  H04W84/105

摘要： A method of allocating frequency channels for transmissions between user equipment and a femto base station within a femto cell, a computer program product and a femto cell base station are disclosed. The frequency channels are for transmissions within a femto cell between user equipment and a femto base station, the femto cell being located within a local macro cell of a wireless telecommunications network, the wireless telecommunications network supporting transmissions over a plurality of predetermined frequency channels. The method comprises the steps of: determining at least one macro cell frequency channel from the plurality of predetermined frequency channels currently allocated for transmissions within the local macro cell between other user equipment and a macro base station supporting the local macro cell; and allocating at least one femto cell frequency channel from the plurality of predetermined frequency channels which differs from the at least one macro cell frequency channel for transmissions within the femto cell between the user equipment and the femto base station. In this way, the amount of interference contributed to existing transmission within the macro cell is limited. This helps to ensure that the interference experienced by user equipment within the macro cell is limited.

摘要翻译： 公开了在毫微微小区，计算机程序产品和毫微微小区基站内的用户设备与毫微微基站之间的传输分配频率信道的方法。 频率信道用于在用户设备和毫微微基站之间的毫微微小区内的传输，毫微微小区位于无线电信网络的本地宏小区内，无线电信网络支持通过多个预定频率信道进行传输。 该方法包括以下步骤：从当前分配给其他用户设备和支持本地宏小区的宏基站之间的本地宏小区内的传输的多个预定频道中确定至少一个宏小区频道; 以及从所述多个预定频率信道中分配至少一个毫微微小区频率信道，所述多个预定频率信道与所述至少一个宏小区频率信道不同，用于所述用户设备和所述毫微微基站之间的毫微微小区内的传输。 以这种方式，对宏小区内的现有传输造成的干扰量有限。 这有助于确保宏小区内的用户设备所经历的干扰受到限制。

公开(公告)号：EP2161851A1

公开(公告)日：2010-03-10

申请号：EP08360026.2

申请日：2008-09-04

申请人： Alcatel Lucent

发明人： Claussen, Holger ,  Pivit, Florian

IPC分类号： H04B7/06

CPC分类号： H04B7/0686 ,  H04B7/0691 ,  H04B7/0695 ,  H04W16/28

摘要： A femto base station and a method are disclosed. The method comprises the steps of:
a) providing a switched multiple antenna array comprising a plurality of antennas, one or more antennas from the plurality of antennas being switchable to form one of a plurality of antenna groups, each antenna group providing a corresponding predetermined fixed beam pattern; b) determining a transmission power for each fixed beam pattern which provides less than a predefined maximum occurrence of unwanted user equipment mobility events over a predetermined period of time; c) determining a quality of service provided to registered user equipment for each fixed beam pattern at that transmission power; and d) selecting that antenna group and transmission power which generates a predetermined fixed beam pattern which maximises quality of service to registered user equipment whilst not exceeding the predefined maximum occurrence of unwanted user equipment mobility events. In this way, the fixed beam pattern and transmission power combination is selected which maximises the coverage provided to registered user equipment whilst ensuring that an acceptable level of unwanted mobility events is not exceed. By ensuring that the number of unwanted mobility events remains low, the number of mobility procedures is minimised which minimises the signalling required to the core network and also reduces the risk of call drop from passing user equipment from occurring.

摘要翻译： 毫微微基站和方法被公开。 该方法包括以下步骤：a）提供包括多个天线的切换多天线阵列，来自多个天线的一个或多个天线可切换以形成多个天线组之一，每个天线组提供相应的预定固定 光束图案; b）确定每个固定波束图案的传输功率，其在预定时间段内提供小于不期望的用户设备移动性事件的预定最大出现次数; c）确定以该传输功率为每个固定波束图案提供给注册用户设备的服务质量; 以及d）选择所述天线组和发射功率，其产生预定的固定波束图案，其使得注册用户设备的服务质量最大化，同时不超过预定的最大不必要的用户设备移动性事件的发生。 以这种方式，选择固定波束图案和发射功率组合，其使提供给注册用户设备的覆盖最大化，同时确保不希望的移动性事件的可接受水平不超过。 通过确保不想要的移动性事件的数量保持为低，移动性过程的数量被最小化，这使得核心网络所需的信令最小化，并且还降低了通过用户设备发生的呼叫丢弃的风险。