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71. 发明授权

US08675560B2 UE receiver reference signal processing that utilizes resource partitioning information 有权
标题翻译：利用资源划分信息的UE接收机参考信号处理
公开(公告)号：US08675560B2
公开(公告)日：2014-03-18
申请号：US13225121
申请日：2011-09-02
申请人： Taesang Yoo , Siddhartha Mallik , Tao Luo
发明人： Taesang Yoo , Siddhartha Mallik , Tao Luo
IPC分类号： H04W4/00
CPC分类号： H04W72/082 , H04L5/0023 , H04L5/0035 , H04L5/005 , H04L5/006 , H04L5/0073 , H04W16/32 , H04W72/0413
摘要： Communication in a dominant interference scenario may be supported by performing inter-cell interference coordination (ICIC). According to certain aspects of ICIC, resource coordination/partitioning may be performed to allocate resources to a serving Node B located near the vicinity of a strong interfering Node B. The interfering Node B may avoid transmitting on the allocated/protected resources, but transmissions from the interfering Node B on resources not allocated to the serving Node B (i.e., unprotected) may cause significant interference on cell-specific reference signal (CRS) tones of the serving Node B. Therefore, if the CRS tones of the unallocated/unprotected resources are used, performance degradation may result to various operations of the serving Node B. Therefore, certain aspects of the present disclosure provide techniques for a UE receiver in utilizing resource partitioning information (RPI) for performing CRS processing in a heterogeneous network (HetNet).
摘要翻译：可以通过执行小区间干扰协调（ICIC）来支持主要干扰场景中的通信。根据ICIC的某些方面，可以执行资源协调/划分以向位于强干扰节点B附近的服务节点B分配资源。干扰节点B可以避免在所分配/受保护资源上的传输，干扰节点B对未分配给服务节点B的资源（即未受保护的）可能对服务节点B的小区特定参考信号（CRS）音调造成显着的干扰。因此，如果未分配/未受保护的资源的CRS音调性能下降可能导致服务节点B的各种操作。因此，本公开的某些方面在利用用于在异构网络（HetNet）中执行CRS处理的资源划分信息（RPI）的情况下为UE接收机提供技术。

72. 发明授权

US08614981B2 Reporting of channel information to support coordinated multi-point data transmission 有权
标题翻译：报告信道信息，支持协调的多点数据传输
公开(公告)号：US08614981B2
公开(公告)日：2013-12-24
申请号：US13015532
申请日：2011-01-27
申请人： Siddhartha Mallik , Taesang Yoo , Tao Luo
发明人： Siddhartha Mallik , Taesang Yoo , Tao Luo
IPC分类号： H04W4/00 , H04W72/04 , H04B7/00
CPC分类号： H04B7/024 , H04B7/0626 , H04B7/0632 , H04B7/066
摘要： Techniques for reporting channel information are described. In one aspect, a plurality of channel information reporting modes are available to a user equipment (UE) for reporting channel information for coordinated multi-point (CoMP) data transmission. The UE may determine a first channel information reporting mode to use, determine first channel information related to at least one cell in a CoMP measurement set of the UE, and send the first channel information in accordance with the first channel information reporting mode to one or more cells in the CoMP measurement set. The UE may also determine a second channel information reporting mode to use, determine second channel information related to multiple cells in the CoMP measurement set, and send the second channel information in accordance with the second channel information reporting mode. A plurality of channel feedback configurations may be supported, including a single-stage, a two-stage, and/or a one-shot channel configurations.
摘要翻译：描述用于报告信道信息的技术。在一个方面，多个信道信息报告模式可用于用于报告协调多点（CoMP）数据传输的信道信息的用户设备（UE）。 UE可以确定要使用的第一信道信息报告模式，确定与UE的CoMP测量集合中的至少一个小区相关的第一信道信息，并且根据第一信道信息报告模式将第一信道信息发送到一个或 CoMP测量集中更多的单元格。 UE还可以确定要使用的第二信道信息报告模式，确定与CoMP测量集中的多个小区有关的第二信道信息，并根据第二信道信息报告模式发送第二信道信息。可以支持多个信道反馈配置，包括单级，两级和/或单触发信道配置。

73. 发明申请

US20130114441A1 CHANNEL STATE INFORMATION COMPUTATION FOR ENHANCED INTER-CELL INTERFERENCE COORDINATION 审中-公开
标题翻译：通道状态信息计算，用于增强细胞间干扰协调
公开(公告)号：US20130114441A1
公开(公告)日：2013-05-09
申请号：US13608891
申请日：2012-09-10
申请人： Taesang Yoo , Xiliang Luo , Tao Luo , Yongbin Wei
发明人： Taesang Yoo , Xiliang Luo , Tao Luo , Yongbin Wei
IPC分类号： H04W24/00
CPC分类号： H04L1/0026 , H04B17/345 , H04L5/0073 , H04L25/0206 , H04L25/022
摘要： A delayed channel estimation is a channel state information (CSI) reference subframe having an index (NCSI—ref) belonging to NCSI—ref=N−4−k, where N is the subframe index on which the CSI is to be transmitted on an uplink, and k is the smallest value of k>=0, such that N−4−k belongs to a given configuration set. When k is too large, the selected CSI reference subframe is too outdated to produce accurate CSI. An undelayed channel estimation is a CSI reference subframe having an index (NCSI—ref) belonging to NCSI—ref=N−4. When the CSI reference subframe N−4 does not belong to the given subframe restriction subset, the selected channel estimate may be too noisy to produce accurate CSI. A method for CSI computation for enhanced inter-cell interference coordination (eICIC) selects between a delayed channel estimation and an undelayed channel estimation for computing CSI, for example, based on a signal metric. The CSI is computed with a selected channel estimation.
摘要翻译：延迟信道估计是具有属于NCSI-ref = N-4-k的索引（NCSI-ref）的信道状态信息（CSI）参考子帧，其中N是要在其上发送CSI的子帧索引上行链路，k是k> = 0的最小值，使得N-4-k属于给定的配置集合。当k太大时，所选择的CSI参考子帧太过时，不能产生准确的CSI。未延迟的信道估计是具有属于NCSI-ref = N-4的索引（NCSI-ref）的CSI参考子帧。当CSI参考子帧N-4不属于给定子帧限制子集时，所选择的信道估计可能太嘈杂以产生准确的CSI。用于增强小区间干扰协调（eICIC）的CSI计算的方法例如基于信号度量在延迟信道估计和用于计算CSI的未延迟信道估计之间进行选择。使用所选择的信道估计来计算CSI。

74. 发明申请

US20130114438A1 REFERENCE SIGNAL DETECTION 有权
标题翻译：参考信号检测
公开(公告)号：US20130114438A1
公开(公告)日：2013-05-09
申请号：US13467945
申请日：2012-05-09
申请人： Kapil Bhattad , Yi Huang , Tao Luo , Taesang Yoo
发明人： Kapil Bhattad , Yi Huang , Tao Luo , Taesang Yoo
IPC分类号： H04W24/00 , H04W4/00
CPC分类号： H04J11/005
摘要： Aspects of the disclosure are related to identifying whether an apparatus (e.g., base station, access point, etc.) is transmitting using a CRS based transmission scheme or a UE-RS based transmission scheme. Such detection may be necessary for PDSCH interference cancellation (IC) of a neighboring cell since a UE may not know which transmission scheme is used by the neighboring cell. For instance, the UE may know the transmission scheme of the serving cell, but the UE may not know the transmission scheme of a neighboring non-serving cell. As such, aspects of the disclosure provide for a blind detection algorithm to identify or determine a transmission mode or transmission scheme of a neighboring cell to then apply interference cancellation (IC) to an interfering signal received from the neighboring cell.
摘要翻译：本公开的方面与识别装置（例如，基站，接入点等）是否正在使用基于CRS的传输方案或基于UE-RS的传输方案进行传输有关。这样的检测对于相邻小区的PDSCH干扰消除（IC）可能是必要的，因为UE可能不知道相邻小区使用哪种传输方案。例如，UE可以知道服务小区的传输方案，但是UE可能不知道相邻非服务小区的传输方案。因此，本公开的方面提供盲检测算法来识别或确定相邻小区的传输模式或传输方案，然后将干扰消除（IC）应用于从邻近小区接收的干扰信号。

75. 发明申请

US20130114437A1 METHOD AND APPARATUS FOR INTERFERENCE CANCELLATION BY A USER EQUIPMENT USING BLIND DETECTION 审中-公开
标题翻译：用于使用盲点检测的用户设备进行干扰消除的方法和装置
公开(公告)号：US20130114437A1
公开(公告)日：2013-05-09
申请号：US13464905
申请日：2012-05-04
申请人： Taesang Yoo , Hendrik Schoeneich , Tao Luo , Yongbin Wei , Myriam Rajih , Durga Prasad Malladi
发明人： Taesang Yoo , Hendrik Schoeneich , Tao Luo , Yongbin Wei , Myriam Rajih , Durga Prasad Malladi
IPC分类号： H04B15/00 , H04W24/00 , H04W4/00
CPC分类号： H04J11/005 , H04B7/068 , H04B7/0842 , H04J11/004
摘要： In order to cancel any interference due to the second cell signal (e.g., from a non-serving cell) from a signal received at a UE, without receiving additional control information, the UE blindly estimates parameters associated with decoding the second cell signal. This may include determining a metric based on sets of symbols associated with the cell signals in order to determine parameters for the second cell signal, e.g., the transmission mode, modulation format, and/or spatial scheme of the second cell signal. The parameters for the signal may be determined based on a comparison of the metric with a threshold. When a spatial scheme and a modulation format is unknown, the blind estimation may include determining a plurality of constellations of possible transmitted modulated symbols associated with a potential spatial scheme and modulation format combination. Interference cancellation can be performed using the constellations and a corresponding probability weight.
摘要翻译：为了从UE接收到的信号中消除由于第二小区信号（例如来自非服务小区）的任何干扰而不接收附加的控制信息，UE盲目地估计与解码第二小区信号有关的参数。这可以包括基于与小区信号相关联的符号集来确定度量，以便确定第二小区信号的参数，例如第二小区信号的传输模式，调制格式和/或空间方案。可以基于度量与阈值的比较来确定信号的参数。当空间方案和调制格式未知时，盲估计可以包括确定与潜在的空间方案和调制格式组合相关联的可能传输的调制符号的多个星座。干扰消除可以使用星座和相应的概率权重进行。

76. 发明申请

US20120327795A1 INTERFERENCE ESTIMATION USING DATA TRAFFIC POWER AND REFERENCE SIGNAL POWER 有权
标题翻译：使用数据交通功率和参考信号功率的干扰估计
公开(公告)号：US20120327795A1
公开(公告)日：2012-12-27
申请号：US13455906
申请日：2012-04-25
申请人： Siddhartha Mallik , Tao Luo , Taesang Yoo , Yongbin Wei
发明人： Siddhartha Mallik , Tao Luo , Taesang Yoo , Yongbin Wei
IPC分类号： H04W24/06
CPC分类号： H04B17/005 , H04B17/345
摘要： In a wireless communication system, interference on data tones is estimated by detecting data transmissions from interferers. An overall interference covariance matrix is estimated as a function of scalar traffic to pilot ratio (TPR) estimates, residual interference covariance estimates, and covariance of channel estimates of dominant interferers. The interference estimates are refined as a function of reliability based on a ratio of power received from a serving cell and power received from a dominant interferer.
摘要翻译：在无线通信系统中，通过检测来自干扰源的数据传输来估计对数据音调的干扰。估计总干扰协方差矩阵作为标量流量对导频比（TPR）估计，残差干扰协方差估计和主要干扰源信道估计的协方差的函数。基于从服务小区接收的功率的比率和从主要干扰源接收的功率，将干扰估计作为可靠性的函数进行细化。

77. 发明申请

US20120201152A1 INTERFERENCE ESTIMATION FOR WIRELESS COMMUNICATION 有权
标题翻译：无线通信干扰估计
公开(公告)号：US20120201152A1
公开(公告)日：2012-08-09
申请号：US13196711
申请日：2011-08-02
申请人： Taesang Yoo , Tao Luo , Yongbin Wei , Siddhartha Mallik
发明人： Taesang Yoo , Tao Luo , Yongbin Wei , Siddhartha Mallik
IPC分类号： H04W24/00
CPC分类号： H04B17/345
摘要： Interference on pilot signals and on data tones can be mismatched. Different types of interference estimates perform differently based on how the mismatch occurs. The resulting interference estimate may thus be inaccurate. Interference estimates based on pilot signals and also on data tones can both be evaluated for reliability. The more reliable of the two can then be selected. If the data tones estimate is selected, the estimate can be calculated from covariance matrices or from traffic-to-pilot ratios.
摘要翻译：对导频信号和数据音调的干扰可能不匹配。基于不匹配的发生情况，不同类型的干扰估计可以不同地执行。所得到的干扰估计可能是不准确的。可以对可靠性进行评估，基于导频信号和数据音调的干扰估计。然后可以选择更可靠的两个。如果选择数据音调估计，则可以从协方差矩阵或从业务到导频比来计算估计。

78. 发明申请

US20120190391A1 PHYSICAL LAYER SIGNALING TO USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中用户设备的物理层信令
公开(公告)号：US20120190391A1
公开(公告)日：2012-07-26
申请号：US13190308
申请日：2011-07-25
申请人： Taesang Yoo , Tao Luo , Tingfang Ji
发明人： Taesang Yoo , Tao Luo , Tingfang Ji
IPC分类号： H04B15/00 , H04W24/00
CPC分类号： H04J11/005 , H04B15/00 , H04L25/03891
摘要： A method of wireless communication includes receiving physical layer signaling from a serving eNodeB in a wireless network. Interference estimation, interference cancellation and/or spatial equalization of user equipment is controlled in accordance with the received signaling.
摘要翻译：无线通信的方法包括从无线网络中的服务eNodeB接收物理层信令。根据接收的信令控制用户设备的干扰估计，干扰消除和/或空间均衡。

79. 发明申请

US20120087261A1 DYNAMIC SWITCHING BETWEEN COMMON REFERENCE SIGNAL INTERFERENCE CANCELATION AND RESOURCE ELEMENT PUNCTURING IN A CO-CHANNEL HETEROGENEOUS NETWORK 有权
标题翻译：共同参考信号干扰消除与资源元素在通道异构网络中的动态切换
公开(公告)号：US20120087261A1
公开(公告)日：2012-04-12
申请号：US13251990
申请日：2011-10-03
申请人： Taesang Yoo , Tao Luo , Siddhartha Mallik , Aleksandar Damnjanovic , Juan Montojo
发明人： Taesang Yoo , Tao Luo , Siddhartha Mallik , Aleksandar Damnjanovic , Juan Montojo
IPC分类号： H04W24/02 , H04B15/00
CPC分类号： H04L25/03
摘要： Communication in a dominant interference scenario may be supported by performing inter-cell interference coordination (ICIC). Resource coordination/partitioning may be performed to allocate resources to a serving Node B located near the vicinity of a strong interfering Node B. The interfering Node B may avoid transmitting on the allocated/protected resources, possibly except for a common reference signal (CRS). A UE can then communicate with the serving Node B on the protected resources in the presence of the interfering Node B and may observe no interference (possibly except for the CRS) from the interfering Node B. When CRS tones of an interferer may collide with control/data tones of a serving cell, CRS interference cancellation (CRS IC) or puncturing of interfered resource elements (REs) may be appropriate. Certain aspects of the present disclosure provide techniques, where the UE may dynamically switch between CRS IC and RE puncturing based on certain parameters.
摘要翻译：可以通过执行小区间干扰协调（ICIC）来支持主要干扰场景中的通信。可以执行资源协调/分区以向位于强干扰节点B附近的服务节点B分配资源。干扰节点B可以避免在所分配/受保护的资源上发送，可能除了公共参考信号（CRS）。然后，UE可以在干扰节点B存在的情况下与被保护资源上的服务节点B进行通信，并且可以观察到来自干扰节点B的干扰（可能除了CRS之外）。当干扰源的CRS音调可能与控制相冲突时 /服务小区的数据音调，CRS干扰消除（CRS IC）或干扰的资源元素（RE）的穿孔可能是适当的。本公开的某些方面提供技术，其中UE可以基于某些参数在CRS IC和RE穿孔之间动态切换。

80. 发明申请

US20110256861A1 RADIO LINK MONITORING (RLM) AND REFERENCE SIGNAL RECEIVED POWER (RSRP) MEASUREMENT FOR HETEROGENEOUS NETWORKS 有权
标题翻译：无线电链路监测（RLM）和参考信号接收功率（RSRP）测量异构网络
公开(公告)号：US20110256861A1
公开(公告)日：2011-10-20
申请号：US13084806
申请日：2011-04-12
申请人： Taesang Yoo , Tao Luo , Xiliang Luo
发明人： Taesang Yoo , Tao Luo , Xiliang Luo
IPC分类号： H04W24/00
CPC分类号： H04W24/08 , H04B17/318 , H04B17/327 , H04B17/382 , H04L5/005 , H04L5/0094 , H04L25/02 , H04W24/00 , H04W72/04 , H04W72/042
摘要： A method for communicating in an advanced long term evolution (LTE-A) network using common reference signal (CRS) resources associated with different interference levels due to resource partitioning is disclosed. Signals are received from an eNodeB indicating a subset of CRS resources for radio link monitoring (RLM) and/or reference signal received power (RSRP) measuring. The subset of CRS resources includes the CRS resources expected to have lower interference from the interfering eNodeBs. RLM and/or RSRP measurements are performed based on the indicated subset.
摘要翻译：公开了一种使用由于资源划分引起的与不同干扰电平相关联的共同参考信号（CRS）资源在高级长期演进（LTE-A）网络中进行通信的方法。从指示用于无线电链路监视（RLM）和/或参考信号接收功率（RSRP）测量的CRS资源的子集的eNodeB接收信号。 CRS资源的子集包括预期来自干扰eNodeB的较低干扰的CRS资源。基于所指示的子集执行RLM和/或RSRP测量。

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