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1. 发明申请

US20110129009A1 METHOD AND SYSTEM FOR EFFICIENT CHANNEL ESTIMATION 有权
标题翻译：用于有效通道估计的方法和系统
公开(公告)号：US20110129009A1
公开(公告)日：2011-06-02
申请号：US12955802
申请日：2010-11-29
申请人： Dung Ngoc Doan , Tao Luo , Taesang Yoo , Yongbin Wei , Xiaoxia Zhang
发明人： Dung Ngoc Doan , Tao Luo , Taesang Yoo , Yongbin Wei , Xiaoxia Zhang
IPC分类号： H04B1/10 , H04B17/00
CPC分类号： H04L25/0232 , H04L5/005 , H04L5/0051 , H04L25/0204 , H04L25/0222 , H04L25/0242 , H04L25/0256
摘要： Aspects of the present disclosure describe an efficient channel estimation algorithm for high-speed processing of dedicated reference signals. The channel estimation algorithm may utilize one or more compressed interpolation matrices. The compressed interpolation matrices may be selected based on the Doppler value and signal to noise ratio (SNR) of the channel.
摘要翻译：本公开的方面描述了用于专用参考信号的高速处理的有效的信道估计算法。信道估计算法可以利用一个或多个压缩插值矩阵。可以基于信道的多普勒值和信噪比（SNR）来选择压缩内插矩阵。

2. 发明授权

US08718194B2 Method and system for efficient channel estimation 有权
标题翻译：高效信道估计的方法和系统
公开(公告)号：US08718194B2
公开(公告)日：2014-05-06
申请号：US12955802
申请日：2010-11-29
申请人： Dung Ngoc Doan , Tao Luo , Taesang Yoo , Yongbin Wei , Xiaoxia Zhang
发明人： Dung Ngoc Doan , Tao Luo , Taesang Yoo , Yongbin Wei , Xiaoxia Zhang
IPC分类号： H03K9/00
CPC分类号： H04L25/0232 , H04L5/005 , H04L5/0051 , H04L25/0204 , H04L25/0222 , H04L25/0242 , H04L25/0256
摘要： Aspects of the present disclosure describe an efficient channel estimation algorithm for high-speed processing of dedicated reference signals. The channel estimation algorithm may utilize one or more compressed interpolation matrices. The compressed interpolation matrices may be selected based on the Doppler value and signal to noise ratio (SNR) of the channel.
摘要翻译：本公开的方面描述了用于专用参考信号的高速处理的有效的信道估计算法。信道估计算法可以利用一个或多个压缩插值矩阵。可以基于信道的多普勒值和信噪比（SNR）来选择压缩内插矩阵。

3. 发明授权

US08576692B2 Transmission of UE-specific reference signal for wireless communication 失效
标题翻译：用于无线通信的UE专用参考信号的传输
公开(公告)号：US08576692B2
公开(公告)日：2013-11-05
申请号：US12878983
申请日：2010-09-09
申请人： Xiaoxia Zhang , Yongbin Wei , Tao Luo , Dung Ngoc Doan , Taesang Yoo
发明人： Xiaoxia Zhang , Yongbin Wei , Tao Luo , Dung Ngoc Doan , Taesang Yoo
IPC分类号： H04J11/00
CPC分类号： H04L5/0051 , H04L5/0032 , H04L5/0037
摘要： Techniques for transmitting UE-specific reference signals (UE-RSs) in a wireless network are described. In an aspect, a UE-RS may be transmitted in different manners depending on the number of layers used for data transmission. In one design, a cell may determine subcarriers for a UE-RS based on a frequency shift if data is transmitted on one layer and based on a predetermined set of subcarriers (with no frequency shift) if data is transmitted on multiple layers. In another aspect, a UE-RS may be transmitted on subcarriers determined based on a frequency shift for data transmission on multiple layers. In yet another aspect, a UE-RS may be transmitted from a plurality of cells to a UE for coordinated multi-point (CoMP). In yet another aspect, a UE-RS may be transmitted in a data section of a subframe including only the data section.
摘要翻译：描述了用于在无线网络中传送UE专用参考信号（UE-RS）的技术。在一方面，可以根据用于数据传输的层数以不同的方式发送UE-RS。在一种设计中，如果在多层上传输数据，则基于如果在一层上传送数据并且基于预定的一组子载波（无频移），则小区可以基于频移来确定UE-RS的子载波。在另一方面，可以在基于用于多层数据传输的频移确定的子载波上发送UE-RS。在另一方面，UE-RS可以从多个小区发送到用于协调多点（CoMP）的UE。在另一方面，可以在仅包括数据部分的子帧的数据部分中发送UE-RS。

4. 发明申请

US20110216842A1 TRANSMISSION OF UE-SPECIFIC REFERENCE SIGNAL FOR WIRELESS COMMUNICATION 失效
标题翻译：用于无线通信的UE特定参考信号的传输
公开(公告)号：US20110216842A1
公开(公告)日：2011-09-08
申请号：US12878983
申请日：2010-09-09
申请人： Xiaoxia Zhang , Yongbin Wei , Tao Luo , Dung Ngoc Doan , Taesang Yoo
发明人： Xiaoxia Zhang , Yongbin Wei , Tao Luo , Dung Ngoc Doan , Taesang Yoo
IPC分类号： H04L27/28
CPC分类号： H04L5/0051 , H04L5/0032 , H04L5/0037
摘要： Techniques for transmitting UE-specific reference signals (UE-RSs) in a wireless network are described. In an aspect, a UE-RS may be transmitted in different manners depending on the number of layers used for data transmission. In one design, a cell may determine subcarriers for a UE-RS based on a frequency shift if data is transmitted on one layer and based on a predetermined set of subcarriers (with no frequency shift) if data is transmitted on multiple layers. In another aspect, a UE-RS may be transmitted on subcarriers determined based on a frequency shift for data transmission on multiple layers. In yet another aspect, a UE-RS may be transmitted from a plurality of cells to a UE for coordinated multi-point (CoMP). In yet another aspect, a UE-RS may be transmitted in a data section of a subframe including only the data section.
摘要翻译：描述了用于在无线网络中传送UE专用参考信号（UE-RS）的技术。在一方面，可以根据用于数据传输的层数以不同的方式来发送UE-RS。在一种设计中，如果在多层上传输数据，则基于如果在一层上传送数据并且基于预定的一组子载波（无频移），则小区可以基于频移来确定UE-RS的子载波。在另一方面，可以在基于用于多层数据传输的频移确定的子载波上发送UE-RS。在另一方面，UE-RS可以从多个小区发送到用于协调多点（CoMP）的UE。在另一方面，可以在仅包括数据部分的子帧的数据部分中发送UE-RS。

5. 发明授权

US09144037B2 Interference mitigation by puncturing transmission of interfering cells 有权
标题翻译：通过穿孔干扰小区的传输来减轻干扰
公开(公告)号：US09144037B2
公开(公告)日：2015-09-22
申请号：US12853168
申请日：2010-08-09
申请人： Kibeom Seong , Tao Luo , Taesang Yoo , Xiaoxia Zhang , Dung Ngoc Doan
发明人： Kibeom Seong , Tao Luo , Taesang Yoo , Xiaoxia Zhang , Dung Ngoc Doan
IPC分类号： H04B7/00 , H04W52/32 , H04L1/00 , H04W52/24 , H04W72/08 , H04W84/04
CPC分类号： H04W52/322 , H04L1/0045 , H04L1/0069 , H04L1/0072 , H04W52/244 , H04W72/082 , H04W84/045
摘要： Systems and methodologies are described that facilitate controlling interference in a heterogeneous wireless communication environment. A Physical Broadcast Channel (PBCH) transmission from an interfering base station can be punctured based upon a puncturing pattern as a function of a cell identifier (ID) and a transmit time. Puncturing can be effectuated by applying power control. Thus, a punctured symbol or subframe can have a reduced transmit power or a transmit power set to zero. Further, the puncturing pattern can be defined on a subframe basis or on a symbol basis.
摘要翻译：描述了便于控制异构无线通信环境中的干扰的系统和方法。可以基于作为小区标识符（ID）和发送时间的函数的删截模式来对来自干扰基站的物理广播信道（PBCH）传输进行删截。通过施加电源控制可以实现穿刺。因此，打孔的符号或子帧可以具有降低的发射功率或设置为零的发射功率。此外，可以基于子帧或基于符号来定义删截图案。

6. 发明申请

US20110141927A1 PRECODING CONTROL CHANNELS IN WIRELESS NETWORKS 有权
标题翻译：在无线网络中预测控制信道
公开(公告)号：US20110141927A1
公开(公告)日：2011-06-16
申请号：US12816708
申请日：2010-06-16
申请人： Tao Luo , Dung Ngoc Doan , Taesang Yoo , Xiaoxia Zhang , Kibeom Seong
发明人： Tao Luo , Dung Ngoc Doan , Taesang Yoo , Xiaoxia Zhang , Kibeom Seong
IPC分类号： H04L12/26 , H04W4/00
CPC分类号： H04L25/03343 , H04B7/0413 , H04B7/0456 , H04L5/0048 , H04L2025/03414 , H04L2025/03426
摘要： Systems and methodologies are described that facilitate precoding signals transmitted over downlink control channels to provide transmit diversity. A dedicated reference signal (DRS) related to a wireless device can additionally be precoded such that the wireless device can determine a precoder or related parameters based at least in part on performing a channel estimate for the precoded DRS signal. The wireless device can utilize the determined precoder or related parameters to decode precoded signals received over downlink control channel resources. Additionally or alternatively, an access point can signal a sequence of precoders to the wireless device. The access point can cycle through the sequence of precoders to precode signals for transmission over downlink control channel resources, and the wireless device can decode the signals based at least in part on similarly cycling through the precoders for received signals.
摘要翻译：描述了促进预编码在下行链路控制信道上发送的信号以提供发射分集的系统和方法。可以另外对与无线设备相关的专用参考信号（DRS）进行预编码，使得无线设备可以至少部分地基于对预编码的DRS信号执行信道估计来确定预编码器或相关参数。无线设备可以利用所确定的预编码器或相关参数来解码通过下行链路控制信道资源接收的预编码信号。附加地或替代地，接入点可以向无线设备发送一系列预编码器。接入点可以循环通过预编码器序列来预编码信号以在下行链路控制信道资源上传输，并且无线设备可以至少部分地基于类似地循环通过用于接收信号的预编码器来对信号进行解码。

7. 发明授权

US08848603B2 Precoding control channels in wireless networks 有权
标题翻译：无线网络中的预编码控制信道
公开(公告)号：US08848603B2
公开(公告)日：2014-09-30
申请号：US12816708
申请日：2010-06-16
申请人： Tao Luo , Dung Ngoc Doan , Taesang Yoo , Xiaoxia Zhang , Kibeom Seong
发明人： Tao Luo , Dung Ngoc Doan , Taesang Yoo , Xiaoxia Zhang , Kibeom Seong
IPC分类号： H04J1/16 , H04L25/03 , H04L5/00
CPC分类号： H04L25/03343 , H04B7/0413 , H04B7/0456 , H04L5/0048 , H04L2025/03414 , H04L2025/03426
摘要： Systems and methodologies are described that facilitate precoding signals transmitted over downlink control channels to provide transmit diversity. A dedicated reference signal (DRS) related to a wireless device can additionally be precoded such that the wireless device can determine a precoder or related parameters based at least in part on performing a channel estimate for the precoded DRS signal. The wireless device can utilize the determined precoder or related parameters to decode precoded signals received over downlink control channel resources. Additionally or alternatively, an access point can signal a sequence of precoders to the wireless device. The access point can cycle through the sequence of precoders to precode signals for transmission over downlink control channel resources, and the wireless device can decode the signals based at least in part on similarly cycling through the precoders for received signals.
摘要翻译：描述了促进预编码在下行链路控制信道上发送的信号以提供发射分集的系统和方法。可以另外对与无线设备相关的专用参考信号（DRS）进行预编码，使得无线设备可以至少部分地基于对预编码的DRS信号执行信道估计来确定预编码器或相关参数。无线设备可以利用所确定的预编码器或相关参数来解码通过下行链路控制信道资源接收的预编码信号。附加地或替代地，接入点可以向无线设备发送一系列预编码器。接入点可以循环通过预编码器序列来预编码信号以在下行链路控制信道资源上传输，并且无线设备可以至少部分地基于类似地循环通过用于接收信号的预编码器来对信号进行解码。

8. 发明申请

US20110190024A1 INTERFERENCE MITIGATION BY PUNCTURING TRANSMISSION OF INTERFERING CELLS 有权
标题翻译：通过干扰细胞传播干扰减缓
公开(公告)号：US20110190024A1
公开(公告)日：2011-08-04
申请号：US12853168
申请日：2010-08-09
申请人： Kibeom Seong , Tao Luo , Taesang Yoo , Xiaoxia Zhang , Dung Ngoc Doan
发明人： Kibeom Seong , Tao Luo , Taesang Yoo , Xiaoxia Zhang , Dung Ngoc Doan
IPC分类号： H04W52/04
CPC分类号： H04W52/322 , H04L1/0045 , H04L1/0069 , H04L1/0072 , H04W52/244 , H04W72/082 , H04W84/045
摘要： Systems and methodologies are described that facilitate controlling interference in a heterogeneous wireless communication environment. A Physical Broadcast Channel (PBCH) transmission from an interfering base station can be punctured based upon a puncturing pattern as a function of a cell identifier (ID) and a transmit time. Puncturing can be effectuated by applying power control. Thus, a punctured symbol or subframe can have a reduced transmit power or a transmit power set to zero. Further, the puncturing pattern can be defined on a subframe basis or on a symbol basis.
摘要翻译：描述了有助于控制异构无线通信环境中的干扰的系统和方法。可以基于作为小区标识符（ID）和发送时间的函数的删截模式来对来自干扰基站的物理广播信道（PBCH）传输进行删截。通过施加电源控制可以实现穿刺。因此，打孔的符号或子帧可以具有降低的发射功率或设置为零的发射功率。此外，可以基于子帧或基于符号来定义删截图案。

9. 发明授权

US09392608B2 Resource partitioning information for enhanced interference coordination 有权
标题翻译：用于增强干扰协调的资源分区信息
公开(公告)号：US09392608B2
公开(公告)日：2016-07-12
申请号：US13085373
申请日：2011-04-12
申请人： Osok Song , Aleksandar Damnjanovic , Tingfang Ji , Taesang Yoo , Parag Arun Agashe , Madhavan Srinivasan Vajapeyam , Yongbin Wei , Tao Luo , Rajat Prakash , Masato Kitazoe
发明人： Osok Song , Aleksandar Damnjanovic , Tingfang Ji , Taesang Yoo , Parag Arun Agashe , Madhavan Srinivasan Vajapeyam , Yongbin Wei , Tao Luo , Rajat Prakash , Masato Kitazoe
IPC分类号： H04W72/00 , H04W72/08
CPC分类号： H04W72/082 , H04W72/08
摘要： Methods and apparatus for partitioning resources for enhanced inter-cell interference coordination (eICIC) are provided. Certain aspects involve broadcasting a message indicating time-domain resource partitioning information (RPI), where a user equipment (UE) may be operating in idle mode. With the RPI, the UE may be able to identify protected resources with reduced/eliminated interference from neighboring cells. The RPI in this broadcasted message may be encoded as a bitmap as an alternative or in addition to enumeration of the U/N/X subframes. Other aspects entail transmitting a dedicated or unicast message indicating the time-domain RPI, where a UE may be operating in connected mode. With the RPI, the UE may be able to determine channel state information (CSI), make radio resource management (RRM) measurements, or perform radio link monitoring (RLM), based on one or more signals from a serving base station during the protected time-domain resources.
摘要翻译：提供了用于分区资源以增强小区间干扰协调（eICIC）的方法和装置。某些方面涉及广播指示时域资源划分信息（RPI）的消息，其中用户设备（UE）可以在空闲模式下操作。利用RPI，UE可能能够识别来自相邻小区的减少/消除的干扰的受保护资源。该广播消息中的RPI可以被编码为位图，作为U / N / X子帧的枚举的替代或补充。其他方面需要发送指示时域RPI的专用或单播消息，其中UE可以在连接模式下操作。利用RPI，UE可以在受保护的基站期间基于来自服务基站的一个或多个信号来确定信道状态信息（CSI），进行无线电资源管理（RRM）测量或执行无线电链路监视（RLM）时域资源。

10. 发明授权

US08897236B2 Physical downlink shared channel (PDSCH) protection 有权
标题翻译：物理下行链路共享信道（PDSCH）保护
公开(公告)号：US08897236B2
公开(公告)日：2014-11-25
申请号：US13071145
申请日：2011-03-24
申请人： Taesang Yoo , Tao Luo , Yongbin Wei , Durga Prasad Malladi
发明人： Taesang Yoo , Tao Luo , Yongbin Wei , Durga Prasad Malladi
IPC分类号： H04W4/00 , H04J3/00 , H04L5/00 , H04W72/08
CPC分类号： H04L5/0053 , H04L5/0073 , H04W72/082
摘要： According to certain aspects, resource blocks used for physical downlink shared channel (PDSCH) transmissions may be allocated in a manner to manage interference in neighboring cells. According to certain aspects, one or more guard RBs may be utilized when transmitting PDSCH in a first cell an effort to reduce interference by transmissions in a second cell.
摘要翻译：根据某些方面，可以以管理相邻小区中的干扰的方式来分配用于物理下行链路共享信道（PDSCH）传输的资源块。根据某些方面，当在第一小区中发送PDSCH时，可以利用一个或多个保护RB来努力减少第二小区中的传输的干扰。

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