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1. 发明申请

WO2012079202A1 BEAMFORMING METHOD, APPARATUS FOR POLARIZED ANTENNA ARRAY AND RADIO COMMUNICATION DEVICE AND SYSTEM THEREOF 审中-公开
标题翻译：波束形成方法，用于极化天线阵列和无线电通信装置的装置及其系统
公开(公告)号：WO2012079202A1
公开(公告)日：2012-06-21
申请号：PCT/CN2010/002075
申请日：2010-12-17
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (publ) , HU, Yang , ASTELY, David , GUO, Zhiheng , RAHMAN, Muhammad Imadur , WANG, Hai , ZHANG, Ruiqi
发明人： HU, Yang , ASTELY, David , GUO, Zhiheng , RAHMAN, Muhammad Imadur , WANG, Hai , ZHANG, Ruiqi
IPC分类号： H04B7/10
CPC分类号： H01Q3/40 , H04B7/0408 , H04B7/0413 , H04B7/0469 , H04B7/0617 , H04B7/0671 , H04B7/0686 , H04B7/0691 , H04B7/10
摘要： The invention discloses a beamforming method for polarized antenna array consisting of a plurality of antenna elements, applied to single layer beamforming or dual layer beamforming, which includes the steps: determining (201) first beamforming weights for phase compensation among the antenna elements within each polarization direction; determining (202) second beamforming weights for phase compensation between equivalent channels of two polarization directions; and calculating (203) hybrid beamforming weights as product of the first beamforming weights and the second beamforming weights. A beamforming apparatus for polarized antenna array is also provided in the invention as well as a radio communication device and a system thereof. With the invention, the single-layer and dual-layer beamforming weights are determined for the cross-polarized antenna array without requiring full channel knowledge or the aid of PMI. Computation complexity is lowered and full power amplifier utilization can be achieved.
摘要翻译：本发明公开了一种用于由应用于单层波束成形或双层波束形成的多个天线元件组成的极化天线阵列的波束成形方法，其包括以下步骤：确定（201）每个极化内的天线元件之间的相位补偿的第一波束形成权重方向; 确定（202）第二波束形成权重用于两个极化方向的等效信道之间的相位补偿; 以及计算（203）混合波束形成权重作为所述第一波束形成权重和所述第二波束成形权重的乘积。本发明还提供了一种用于极化天线阵列的波束成形装置以及无线电通信装置及其系统。利用本发明，对于交叉极化天线阵列确定单层和双层波束成形权重，而不需要全渠道知识或PMI的帮助。计算复杂度降低，可实现全功率放大器利用。

2. 发明申请

WO2013056393A1 RADIO RECEIVER FOR POLARIZED ANTENNA SYSTEM 审中-公开
标题翻译：用于极化天线系统的无线接收机
公开(公告)号：WO2013056393A1
公开(公告)日：2013-04-25
申请号：PCT/CN2011/001739
申请日：2011-10-19
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
发明人： GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
IPC分类号： H04B7/08
CPC分类号： H04B1/16 , H04B7/0691 , H04B7/0857 , H04B7/10
摘要： A hybrid combining method in a receiver (200) is provided, and the method includes that wideband combining, e.g. using a maximum ratio combining (MRC) or an interference rejection combing (IRC) process, to combine signals distributed over a first plurality of subcarrier frequencies from antennas (202) in the same polarization direction is performed, resulting in a combine signal for each polarization direction that is distributed over a smaller number of subcarrier frequencies, then a two-port narrowband IRC is done of these wideband combined signals for the two polarization directions, resulting in a diversity combined signal.
摘要翻译：提供了一种在接收机（200）中的混合组合方法，并且该方法包括宽带组合，例如，使用最大比合并（MRC）或抗干扰合成（IRC）处理来组合在相同偏振方向上分配在来自天线（202）的第一多个子载波频率上的信号，从而产生用于每个极化的组合信号方向分布在较小数量的子载波频率上，然后对于两个极化方向对这些宽带组合信号进行两端口窄带IRC，从而产生分集组合信号。

3. 发明申请

WO2012055065A1 METHOD AND ARRANGEMENT IN WIRELESS COMMUNICATIONS SYSTEM 审中-公开
标题翻译：无线通信系统中的方法与布置
公开(公告)号：WO2012055065A1
公开(公告)日：2012-05-03
申请号：PCT/CN2010/001673
申请日：2010-10-25
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
发明人： GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
IPC分类号： H04L27/26
CPC分类号： H04B1/12 , H04L5/0023 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L25/0232 , H04L27/2647
摘要： The present invention relates to a receiving node, and to a related method of adjusting a frequency domain channel estimate in a receiving node of a wireless communication system using Orthogonal Frequency Division Multiplexing. The method comprises estimating (210) a phase rotation of the frequency domain channel estimate, and compensating (220) for the estimated phase rotation in the frequency domain channel estimate. It also comprises transforming (230) the compensated frequency domain channel estimate into a time domain channel estimate, filtering (240) the time domain channel estimate to suppress noise, transforming (250) the filtered time domain channel estimate back into a noise suppressed frequency domain channel estimate, and adding (260) the estimated phase rotation in the noise suppressed frequency domain channel estimate to achieve an adjusted and improved frequency domain channel estimate.
摘要翻译：本发明涉及一种接收节点，以及一种使用正交频分复用技术在无线通信系统的接收节点中调整频域信道估计的相关方法。该方法包括估计（210）频域信道估计的相位旋转，以及对频域信道估计中估计的相位旋转进行补偿（220）。它还包括将经补偿的频域信道估计转换（230）到时域信道估计中，对时域信道估计进行滤波（240）以抑制噪声，将经过滤波的时域信道估计转换（250）成为噪声抑制频域信道估计，并且在噪声抑制频域信道估计中相加（260）估计的相位旋转，以实现调整和改进的频域信道估计。

4. 发明申请

WO2012075604A1 COVARIANCE ESTIMATION METHOD FOR SPACE-FREQUENCY DOMAIN EQUALIZATION AND APPARATUS AND SYSTEM ASSOCIATED THEREWITH 审中-公开
标题翻译：用于空间频域均衡的协方差估计方法及其相关系统
公开(公告)号：WO2012075604A1
公开(公告)日：2012-06-14
申请号：PCT/CN2010/001989
申请日：2010-12-08
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
发明人： GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
IPC分类号： H04B1/707
CPC分类号： H04L25/03891 , H04B7/0848 , H04L25/0228 , H04L25/03968
摘要： The present invention relates to a method for generating impairment covariances for equalization in a receiver of a wireless communication system, as well as an covariance estimator, a receiver and a wireless communication system associated therewith, where the receiver is equipped with multiple antennas, and an impairment covariance matrix is used to calculate equalization weighting vector for signals transmitted by a transmitter, the method comprising the steps of : calculating a raw impairment covariance estimate between a first antenna and a second antenna of the multiple antennas on each of subcarriers allocated to the transmitter in frequency domain, transforming the raw impairment covariance estimates into time domain, masking the transformed impairment covariance estimates by a triangle window with a width defined by a maximum delay spread, determining a threshold based on the transformed impairment covariance estimates for the subcarriers and thresholding the masked impairment covariance estimates with the determined threshold, and transforming the thresholded impairment covariance estimates into frequency domain to form an impairment covariance matrix for calculating the equalization weighting vector. The impairment covariance estimation according to the present invention provides a performance improvement in equalization.
摘要翻译：本发明涉及一种用于在无线通信系统的接收机中产生用于均衡的损害协方差的方法，以及与其相关联的协方差估计器，接收机和无线通信系统，其中接收机配备有多个天线，并且减法协方差矩阵用于计算由发射机发射的信号的均衡加权矢量，该方法包括以下步骤：在分配给发射机的每个子载波上计算多个天线的第一天线与第二天线之间的原始损伤协方差估计在频域中将原始损害协方差估计转换为时域，通过具有由最大延迟扩展定义的宽度的三角形窗口来掩蔽变换的损害协方差估计，基于子载波的变换的损害协方差估计确定阈值，掩蔽损伤确定阈值的协方差估计，并将阈值的损害协方差估计变换为频域以形成用于计算均衡加权向量的损害协方差矩阵。根据本发明的损伤协方差估计提供了均衡的性能改进。

5. 发明申请

WO2011100858A1 METHOD AND APPARATUS FOR ENHANCING CHANNEL ESTIMATION 审中-公开
标题翻译：用于增强信道估计的方法和装置
公开(公告)号：WO2011100858A1
公开(公告)日：2011-08-25
申请号：PCT/CN2010/000215
申请日：2010-02-17
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
发明人： GUO, Zhiheng , WANG, Hai , ZHANG, Ruiqi
IPC分类号： H04L27/26
CPC分类号： H04L25/024 , H04L25/0218 , H04L25/022 , H04L27/2647
摘要： A noisy frequency-domain channel estimate (H in ) enhancer (24) includes an over-sampler (30) configured to transform the noisy frequency-domain channel estimate (H in ) into a time-domain channel estimate (h) that is virtually over-sampled by an integer factor m . The over-sampler (30) is connected to a de-interleaver (32) configured to divide the time-domain channel estimate (h) into m de-interleaved sub-vectors (h i ). The de-interleaver (32) is connected to a suppressor (34) configured to suppress noisy taps from each de-interleaved sub-vectors (h i ) to form m noise suppressed sub-vectors (h' i ). The suppressor (34) is connected to a selector (36) configured to select a noise suppressed sub-vector (h' i0 ) associated with a highest signal-to-noise ratio ( γ i ). The selector (36) is connected to a discrete Fourier transformer (38) configured to transform the selected noise suppressed sub-vector (h' i0 ) into a noise suppressed preliminary frequency-domain channel estimate ( H'). The discrete Fourier transformer (38) is connected to a phase-shifter (40) configured to phase- adjust the taps of the noise suppressed preliminary frequency-domain channel estimate (H') to form an enhanced frequency-domain channel estimate (H out ).
摘要翻译：噪声频域信道估计（H in）增强器（24）包括过采样器（30），其被配置为将有噪声的频域信道估计（H in）变换为虚拟的时域信道估计（h）过采样整数因子m。过采样器（30）连接到解交织器（32），其被配置为将时域信道估计（h）划分为m个去交织的子向量（h i）。解交织器（32）连接到抑制器（34），抑制器（34）被配置为抑制来自每个解交织的子向量（h i）的噪声抽头以形成m个噪声抑制子向量（h'i）。抑制器（34）连接到选择器（36），其被配置为选择与最高信噪比（Δi）相关联的噪声抑制子矢量（h'i0）。选择器（36）连接到被配置为将所选择的噪声抑制子矢量（h'i0）变换为噪声抑制的初步频域信道估计（H'）的离散付里叶变换器（38）。离散傅立叶变换器（38）连接到移相器（40），该移相器（40）被配置为对噪声抑制的初步频域信道估计（H'）的抽头进行相位调整，以形成增强的频域信道估计（H out ）。

6. 发明申请

WO2014059659A1 METHOD AND APPARATUS FOR POWER CONTROL IN WIRELESS COMMUNICATION NETWORK 审中-公开
标题翻译：无线通信网络中功率控制的方法与装置
公开(公告)号：WO2014059659A1
公开(公告)日：2014-04-24
申请号：PCT/CN2012/083201
申请日：2012-10-19
申请人： TELEFONAKTIEBOLAGET L M ERICSSON(PUBL) , LIU, Jinhua , GUO, Zhiheng , WANG, Hai
发明人： LIU, Jinhua , GUO, Zhiheng , WANG, Hai
IPC分类号： H04W52/00
CPC分类号： H04W72/0473 , H04W24/10 , H04W52/146 , H04W52/20 , H04W52/241 , H04W52/262 , H04W72/085
摘要： A method of controlling power in a transmitter in communication with a receiver in a wireless communication network is disclosed comprising measuring a first metric of signals received in the receiver, the first metric usable to generate a power control command; determining a measurement error of the first metric; generating the power control command based on measured value of the first metric if the measurement error of the first metric does not exceed a threshold; and sending the power control command from the receiver to the transmitter.
摘要翻译：公开了一种控制与无线通信网络中的接收机通信的发射机中的功率的方法，包括：测量在所述接收机中接收的信号的第一度量，所述第一度量可用于产生功率控制命令; 确定第一度量的测量误差; 如果所述第一度量的测量误差不超过阈值，则基于所述第一度量的测量值生成所述功率控制命令; 并将功率控制命令从接收器发送到发射机。

7. 发明申请

WO2012177208A1 METHOD AND DEVICE FOR RELAY DEPLOYMENT IN A TDD COMMUNICATION NETWORK 审中-公开
标题翻译：用于TDD通信网络中的中继部署的方法和设备
公开(公告)号：WO2012177208A1
公开(公告)日：2012-12-27
申请号：PCT/SE2012/050492
申请日：2012-05-09
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GAN, Jiansong , FAN, Rui , GUO, Zhiheng , WANG, Hai
发明人： GAN, Jiansong , FAN, Rui , GUO, Zhiheng , WANG, Hai
IPC分类号： H04W16/26
CPC分类号： H04J3/08 , H04J3/1694 , H04W16/26 , H04W84/047
摘要： The embodiments disclose a method and base station (500, 600) for relay deployment in a Time Division Duplex (TDD) communication network. The method comprises configuring (410) a first base station (500) to operate as a donor base station, and configuring (420) a second base station (600) to operate as a relay node, wherein a first sector (620) of the second base station (600) is configured as a User Equipment (LIE) part of the relay node and a second sector ( 630) of the second base station (600) is configured as a base station part of the relay node. The method further comprises allocating (430) wireless resources for backhaul link between the first base station (500) and the second base station (600) and for access link between the second base station (600) and a UE.
摘要翻译：这些实施例公开了一种用于在时分双工（TDD）通信网络中进行中继部署的方法和基站（500,600）。该方法包括：配置（410）第一基站（500）以用作施主基站，以及配置（420）第二基站（600）作为中继节点操作，其中，所述第一扇区第二基站（600）被配置为中继节点的用户设备（LIE）部分，并且第二基站（600）的第二扇区（630）被配置为中继节点的基站部分。该方法还包括为第一基站（500）和第二基站（600）之间的回程链路和第二基站（600）与UE之间的接入链路分配（430）无线资源。

8. 发明申请

WO2012174849A1 METHOD AND DEVICE FOR RELAY DEPLOYMENT IN A TDD NETWORK 审中-公开
标题翻译：用于TDD网络中的中继部署的方法和设备
公开(公告)号：WO2012174849A1
公开(公告)日：2012-12-27
申请号：PCT/CN2012/000638
申请日：2012-05-11
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , GAN, Jiansong , FAN, Rui , GUO, Zhiheng , WANG, Hai
发明人： GAN, Jiansong , FAN, Rui , GUO, Zhiheng , WANG, Hai
IPC分类号： H04W16/24
CPC分类号： H04J3/08 , H04J3/1694 , H04W16/26 , H04W84/047
摘要： The embodiments disclose a method and base station (500, 600) for relay deployment in a Time Division Duplex (TDD) communication network. The method comprises configuring (410) a first base station (500) to operate as a donor base station, and configuring (420) a second base station (600) to operate as a relay node, wherein a first sector (620) of the second base station (600) is configured as a User Equipment (UE) part of the relay node and a second sector (630) of the second base station (600) is configured as a base station part of the relay node. The method further comprises allocating (430) wireless resources for backhaul link between the first base station (500) and the second base station (600) and for access link between the second base station (600) and a UE.
摘要翻译：这些实施例公开了用于在时分双工（TDD）通信网络中进行中继部署的方法和基站（500,600）。该方法包括：配置（410）第一基站（500）以作为施主基站工作，以及配置（420）第二基站（600）以用作中继节点，其中，所述第一扇区（620）第二基站（600）被配置为中继节点的用户设备（UE）部分，并且第二基站（600）的第二扇区（630）被配置为中继节点的基站部分。该方法还包括为第一基站（500）和第二基站（600）之间的回程链路和第二基站（600）与UE之间的接入链路分配（430）无线资源。

9. 发明申请

WO2013177738A1 METHOD, ARRANGEMENT AND DETECTOR FOR DETECTING HYBRID AUTOMATIC REPEAT REQUEST ACKNOWLEDGEMENT INFORMATION 审中-公开
标题翻译：检测混合自动重复请求确认信息的方法，安排和检测器
公开(公告)号：WO2013177738A1
公开(公告)日：2013-12-05
申请号：PCT/CN2012/076166
申请日：2012-05-28
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , WANG, Hai , LI, Peng , YU, Shaowei , ZHANG, Ruiqi
发明人： WANG, Hai , LI, Peng , YU, Shaowei , ZHANG, Ruiqi
IPC分类号： H04L1/18
CPC分类号： H04L1/1887 , H04L1/0073 , H04L1/1607 , H04L1/1812 , H04L1/1829 , H04L5/0055 , H04W72/0413 , H04W72/12 , H04W88/08
摘要： Wireless communications may benefit from a method, an arrangement, and a detector for detecting HARQ-ACK information. According to embodiments of the present invention, the method comprises extracting a HARQ-ACK symbol sequence in data transmitted from a user equipment. The method also comprises generating a plurality of candidate HARQ-ACK symbol sequences. The method further comprises calculating a degree of similarity between each of the plurality of candidate HARQ-ACK symbol sequences and the extracted HARQ-ACK symbol sequence to obtain a plurality of degrees of similarity. The method additionally comprises comparing an extremum of the plurality of degrees of similarity with a predetermined threshold. Furthermore, the method comprises determining, based upon the comparing, whether the HARQ-ACK information has been transmitted from the user equipment.
摘要翻译：无线通信可以受益于用于检测HARQ-ACK信息的方法，装置和检测器。根据本发明的实施例，该方法包括从用户设备发送的数据中提取HARQ-ACK符号序列。该方法还包括生成多个候选HARQ-ACK符号序列。该方法还包括计算多个候选HARQ-ACK符号序列中的每一个与提取的HARQ-ACK符号序列之间的相似度，以获得多个相似度。该方法还包括将多个相似度的极值与预定阈值进行比较。此外，该方法包括基于比较来确定是否已经从用户设备发送了HARQ-ACK信息。

10. 发明申请

WO2010032109A1 METHOD AND ARRANGEMENT IN A MOBILE COMMUNICATIONS NETWORK 审中-公开
标题翻译：移动通信网络中的方法和布置
公开(公告)号：WO2010032109A1
公开(公告)日：2010-03-25
申请号：PCT/IB2009/006861
申请日：2009-09-16
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) , WANG, Hai , HU, Yang , LIU, Yin
发明人： WANG, Hai , HU, Yang , LIU, Yin
IPC分类号： H04L1/06 , H04B7/04
CPC分类号： H04B7/0413 , H04B7/0421 , H04B7/0617 , H04B7/0658 , H04L1/0606 , H04L1/0618 , H04L1/0668 , H04L5/0026 , H04L5/0051 , H04L25/0204 , H04L25/0226 , H04L25/0248 , H04L27/2613
摘要： The present invention relates to an arrangement and method to design orthogonal UE-specific reference signals so that multiple UE-specific reference signals are feasible to support non-codebook-based multi-stream beamforming/precoding. This is achieved by re-using an existing UE-specific reference signal to obtain additional UE-specific reference signals being orthogonal to the existing UE reference signal.
摘要翻译：本发明涉及一种设计正交的UE专用参考信号的装置和方法，使得多个UE专用参考信号可用于支持基于非码本的多流波束形成/预编码。这通过重新使用现有的UE专用参考信号来获得与现有UE参考信号正交的附加的UE专用参考信号来实现。

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