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公开(公告)号：US08892094B2
公开(公告)日：2014-11-18
申请号：US12899780
申请日：2010-10-07
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
摘要： An extended cell search procedure enables more inclusive measurement reports by mobile terminals operating in a heterogeneous network. The mobile terminal may be configured to conduct an extended cell search to enable better detection of signals transmitted from weaker cells. For mobile terminal with extended cell search capabilities, the network sends an extended cell search message to the mobile terminal when there is a need for an extended cell search. In response to the extended cell search message, the mobile terminal uses an extended cell search procedure rather than the normal cell search procedure (as specified in Rel-8 of the LTE standard) when performing cell searches.
摘要翻译： 扩展小区搜索过程使得在异构网络中操作的移动终端能够实现更多的包含测量报告。 移动终端可以被配置为进行扩展小区搜索以使得能够更好地检测从较弱小区发送的信号。 对于具有扩展小区搜索功能的移动终端，当需要扩展小区搜索时，网络向移动终端发送扩展小区搜索消息。 响应于扩展小区搜索消息，当执行小区搜索时，移动终端使用扩展小区搜索过程而不是正常小区搜索过程（如LTE标准的Rel-8中所指定的）。
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公开(公告)号：US20120044818A1
公开(公告)日：2012-02-23
申请号：US12901677
申请日：2010-10-11
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04L1/0036 , H04W36/04 , H04W72/0406 , H04W72/082 , H04W84/045
摘要： Techniques are described for adapting receiver settings used by a mobile terminal operating in a heterogeneous network comprising macro cells and pico cells with overlapping coverage areas. A first set of subframes is allocated to the pico cells for downlink transmissions to a mobile terminal in a link imbalance zone. The mobile terminal acquires information about the subframe allocation and uses the subframe allocation information to select the signals used for adapting receiver settings used when operating in the link imbalance zone.
摘要翻译： 描述了用于适应在包括具有重叠覆盖区域的宏小区和微微小区的异构网络中操作的移动终端使用的接收机设置的技术。 第一组子帧被分配给微微小区用于下行链路传输到链路不平衡区中的移动终端。 移动终端获取关于子帧分配的信息，并且使用子帧分配信息来选择用于在链路不平衡区中操作时使用的接收机设置的适配信号。
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公开(公告)号：US08937937B2
公开(公告)日：2015-01-20
申请号：US12897883
申请日：2010-10-05
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04J11/005 , H04W56/0015
摘要： In a mobile communication network comprising a pico base station and macro base station with overlapping coverage areas, the pico base station transmits a supplemental synchronization signal to enable synchronization when the mobile terminal is operating within a link imbalance zone. The supplemental synchronization signal is transmitted using different time, frequency, and/or code resources from the primary and/or secondary synchronization signals to differentiate and separate the supplemental synchronization signals.
摘要翻译： 在包括微微基站和具有重叠覆盖区域的宏基站的移动通信网络中，当移动终端在链路不平衡区域内操作时，微微基站发送补充同步信号以实现同步。 使用来自主和/或次同步信号的不同时间，频率和/或码资源来发送补充同步信号，以区分和分离补充同步信号。
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公开(公告)号：US20110312319A1
公开(公告)日：2011-12-22
申请号：US12902205
申请日：2010-10-12
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04W36/0072 , H04L5/0073 , H04W16/32 , H04W72/042 , H04W72/048 , H04W72/085 , H04W72/1257 , H04W72/1273
摘要： The present invention provides methods to support scheduling of transmissions from a pico base station or micro base station to a mobile terminal operating in a link imbalance zone where interference from macro base station is present. A method is provided to enable the mobile terminal to detect when it is in a link imbalance zone, and for triggering scheduling restrictions when the mobile terminal is in the link imbalance zone.
摘要翻译： 本发明提供了支持从微微基站或微基站到在存在来自宏基站的干扰的链路不平衡区中操作的移动终端的调度的方法。 提供了一种使得移动终端能够检测何时处于链路不平衡区域中的方法，并且用于当移动终端处于链路不平衡区域时触发调度限制。
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公开(公告)号：US20110310878A1
公开(公告)日：2011-12-22
申请号：US12897883
申请日：2010-10-05
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04J11/005 , H04W56/0015
摘要： In a mobile communication network comprising a pico base station and macro base station with overlapping coverage areas, the pico base station transmits a supplemental synchronization signal to enable synchronization when the mobile terminal is operating within a link imbalance zone. The supplemental synchronization signal is transmitted using different time, frequency, and/or code resources from the primary and/or secondary synchronization signals to differentiate and separate the supplemental synchronization signals.
摘要翻译： 在包括微微基站和具有重叠覆盖区域的宏基站的移动通信网络中，当移动终端在链路不平衡区域内操作时，微微基站发送补充同步信号以实现同步。 使用来自主和/或次同步信号的不同时间，频率和/或码资源来发送补充同步信号，以区分和分离补充同步信号。
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公开(公告)号：US08824383B2
公开(公告)日：2014-09-02
申请号：US12902205
申请日：2010-10-12
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04W36/0072 , H04L5/0073 , H04W16/32 , H04W72/042 , H04W72/048 , H04W72/085 , H04W72/1257 , H04W72/1273
摘要： The present invention provides methods to support scheduling of transmissions from a pico base station or micro base station to a mobile terminal operating in a link imbalance zone where interference from macro base station is present. A method is provided to enable the mobile terminal to detect when it is in a link imbalance zone, and for triggering scheduling restrictions when the mobile terminal is in the link imbalance zone.
摘要翻译： 本发明提供了支持从微微基站或微基站到在存在来自宏基站的干扰的链路不平衡区中操作的移动终端的调度的方法。 提供了一种使得移动终端能够检测何时处于链路不平衡区域中的方法，并且用于当移动终端处于链路不平衡区域时触发调度限制。
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公开(公告)号：US20110306340A1
公开(公告)日：2011-12-15
申请号：US12899780
申请日：2010-10-07
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
摘要： An extended cell search procedure enables more inclusive measurement reports by mobile terminals operating in a heterogeneous network. The mobile terminal may be configured to conduct an extended cell search to enable better detection of signals transmitted from weaker cells. For mobile terminal with extended cell search capabilities, the network sends an extended cell search message to the mobile terminal when there is a need for an extended cell search. In response to the extended cell search message, the mobile terminal uses an extended cell search procedure rather than the normal cell search procedure (as specified in Rel-8 of the LTE standard) when performing cell searches.
摘要翻译： 扩展小区搜索过程使得在异构网络中操作的移动终端能够实现更多的包含测量报告。 移动终端可以被配置为进行扩展小区搜索以使得能够更好地检测从较弱小区发送的信号。 对于具有扩展小区搜索功能的移动终端，当需要扩展小区搜索时，网络向移动终端发送扩展小区搜索消息。 响应于扩展小区搜索消息，当执行小区搜索时，移动终端使用扩展小区搜索过程而不是正常小区搜索过程（如LTE标准的Rel-8中所指定的）。
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公开(公告)号：US09571229B2
公开(公告)日：2017-02-14
申请号：US12901677
申请日：2010-10-11
申请人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
发明人： Bengt Lindoff , Lars Lindbom , Stefan Parkvall
CPC分类号： H04L1/0036 , H04W36/04 , H04W72/0406 , H04W72/082 , H04W84/045
摘要： Techniques are described for adapting receiver settings used by a mobile terminal operating in a heterogeneous network comprising macro cells and pico cells with overlapping coverage areas. A first set of subframes is allocated to the pico cells for downlink transmissions to a mobile terminal in a link imbalance zone. The mobile terminal acquires information about the subframe allocation and uses the subframe allocation information to select the signals used for adapting receiver settings used when operating in the link imbalance zone.
摘要翻译： 描述了用于适应在包括具有重叠覆盖区域的宏小区和微微小区的异构网络中操作的移动终端使用的接收机设置的技术。 第一组子帧被分配给微微小区用于下行链路传输到链路不平衡区中的移动终端。 移动终端获取关于子帧分配的信息，并且使用子帧分配信息来选择用于在链路不平衡区中操作时使用的接收机设置的适配信号。
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9.发明授权Distribution of cell-common downlink signals in a hierarchical heterogeneous cell deployment 有权分层异构单元部署中的小区公共下行链路信号的分布公开(公告)号：US09300450B2
公开(公告)日：2016-03-29
申请号：US13389501
申请日：2011-11-02
申请人： George Jöngren , Lars Lindbom , Stefan Parkvall
发明人： George Jöngren , Lars Lindbom , Stefan Parkvall
CPC分类号： H04W72/042 , H04L1/1812 , H04L5/0048 , H04L25/03898 , H04L27/2613 , H04W16/32 , H04W88/06 , Y02D70/1262 , Y02D70/1264
摘要： A high-power point (110) and one or more low-power points (120) transmit signals that are associated with the same cell-identifier in a heterogeneous cell deployment. The coverage areas corresponding to the low-power points (120) fall at least partly within the coverage area for the high-power point (110), so that mobile stations (130) within range of a low-power point are also within range of the high-power point (110), from a downlink perspective. The same CRS signals are transmitted by both the high-power (macro) point (110) and some or all of the low-power (pico) points (120). At the same time, the network transmits CRS-based PDSCH for a particular UE on both the high-power point (110) as well as on some or all of the low-power points (120). In some embodiments only a subset of the points, e.g., those points that the UE hears sufficiently well, participate in the PDSCH transmission using CRS for channel estimation.
摘要翻译： 高功率点（110）和一个或多个低功率点（120）在异构小区部署中发送与相同小区标识符相关联的信号。 对应于低功率点（120）的覆盖区域至少部分地落在高功率点（110）的覆盖区域内，使得在低功率点范围内的移动站（130）也在范围内 的高功率点（110）。 相同的CRS信号由高功率（宏）点（110）和部分或全部低功率（微微）点（120）发射。 同时，网络在高功率点（110）以及部分或全部低功率点（120）上为特定UE发送基于CRS的PDSCH。 在一些实施例中，仅使用UE的子集，例如UE充分良好地听到的那些点参与用于信道估计的CRS的PDSCH传输。
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公开(公告)号：US09264927B2
公开(公告)日：2016-02-16
申请号：US13389603
申请日：2011-11-02
申请人： George Jöngren , Lars Lindbom , Stefan Parkvall
发明人： George Jöngren , Lars Lindbom , Stefan Parkvall
CPC分类号： H04L25/0204 , H04J11/00 , H04L5/0032 , H04L5/0048 , H04L5/0057 , H04W16/32 , H04W24/10 , H04W52/244 , H04W72/1226 , H04W88/02 , Y02D70/1262 , Y02D70/1264
摘要： A high-power point and one or more low-power points transmit signals associated with the same cell-identifier in a heterogeneous cell deployment. Coverage areas corresponding to the low-power points fall at least partly within the coverage area for the high-power point, so that mobile stations within range of a low-power point are also within range of the high-power point. Channel-state-information reference symbols, CSI-RS, are transmitted using different CSI-RS resources on different transmission points within the cell, while configuration of CSI-RS measurement resources is conducted on a UE-specific basis. The choice of measurement resources to be used is determined by the network, based on the properties of the channels from the transmission points to the UE. As the UE moves around within the cell, the network tracks the channel properties and reconfigures the CSI-RS resources measured by the UE, to correspond to the resource of the closest transmission point or points.
摘要翻译： 高功率点和一个或多个低功率点在异构小区部署中发送与相同小区标识符相关联的信号。 对应于低功率点的覆盖区域至少部分地落在高功率点的覆盖区域内，使得在低功率点范围内的移动站也在高功率点的范围内。 信道状态信息参考符号CSI-RS在小区内的不同传输点上使用不同的CSI-RS资源发送，而CSI-RS测量资源的配置是在UE特定的基础上进行的。 要使用的测量资源的选择由网络根据从传输点到UE的信道的属性来确定。 当UE在小区内移动时，网络跟踪信道属性并重新配置由UE测量的CSI-RS资源，以对应于最接近的传输点或点的资源。
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