公开(公告)号：US20130343481A1

公开(公告)日：2013-12-26

申请号：US13996376

申请日：2011-02-28

申请人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

发明人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04B7/04

CPC分类号： H04B7/0456

摘要： A method for predicting precoding matrix (PM) in a MIMO System includes the steps of: obtaining a present PM based on a present transmission; fitting the present PM and previous PMs with a predefined model; and determining a forthcoming PM which is expected to be used in the next transmission based on the fitting.

摘要翻译： 一种用于预测MIMO系统中的预编码矩阵（PM）的方法包括以下步骤：基于当前传输获得当前PM; 使用预定义的模型拟合现有的PM和以前的PM; 以及基于拟合来确定期望在下一次传输中使用的即将到来的PM。

公开(公告)号：US09392606B2

公开(公告)日：2016-07-12

申请号：US14345107

申请日：2012-03-30

申请人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

发明人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

IPC分类号： H04L1/00 ,  H04W72/04 ,  H04L5/14

CPC分类号： H04W72/0486 ,  H04L5/14 ,  H04W72/0446

摘要： Embodiments of the disclosure provide a method and apparatus for dynamically adjusting UL-DL configuration. In the method according to embodiments of the present invention, downlink traffic load and uplink traffic load for transmission between a BS and a UE in a TDD system may be obtained, a UL-DL traffic load relation may be determined based on the downlink traffic load and the uplink traffic load and a UL-DL configuration may be selected based on the UL-DL traffic load relation.

摘要翻译： 本公开的实施例提供了用于动态调整UL-DL配置的方法和装置。 在根据本发明的实施例的方法中，可以获得用于TDD系统中的BS与UE之间的传输的下行业务负载和上行流量负载，可以基于下行业务负载来确定UL-DL业务负载关系 并且可以基于UL-DL业务负载关系来选择上行链路业务负载和UL-DL配置。

公开(公告)号：US09356668B2

公开(公告)日：2016-05-31

申请号：US13996376

申请日：2011-02-28

申请人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

发明人： Yu Zhang ,  Dalin Zhu ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04B7/02 ,  H04B7/04

CPC分类号： H04B7/0456

摘要： A method for predicting precoding matrix (PM) in a MIMO System includes the steps of: obtaining a present PM based on a present transmission; fitting the present PM and previous PMs with a predefined model; and determining a forthcoming PM which is expected to be used in the next transmission based on the fitting.

摘要翻译： 一种用于预测MIMO系统中的预编码矩阵（PM）的方法包括以下步骤：基于当前传输获得当前PM; 使用预定义的模型拟合现有的PM和以前的PM; 以及基于拟合来确定期望在下一次传输中使用的即将到来的PM。

公开(公告)号：US20140376369A1

公开(公告)日：2014-12-25

申请号：US14345107

申请日：2012-03-30

申请人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

发明人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

IPC分类号： H04W72/04 ,  H04L5/14

CPC分类号： H04W72/0486 ,  H04L5/14 ,  H04W72/0446

摘要： Embodiments of the disclosure provide a method and apparatus for dynamically adjusting UL-DL configuration. In the method according to embodiments of the present invention, downlink traffic load and uplink traffic load for transmission between a BS and a UE in a TDD system may be obtained, a UL-DL traffic load relation may be determined based on the downlink traffic load and the uplink traffic load and a UL-DL configuration may be selected based on the UL-DL traffic load relation.

摘要翻译： 本公开的实施例提供了用于动态调整UL-DL配置的方法和装置。 在根据本发明的实施例的方法中，可以获得用于TDD系统中的BS与UE之间的传输的下行业务负载和上行流量负载，可以基于下行业务负载来确定UL-DL业务负载关系 并且可以基于UL-DL业务负载关系来选择上行链路业务负载和UL-DL配置。

公开(公告)号：US20140369281A1

公开(公告)日：2014-12-18

申请号：US14345126

申请日：2012-03-27

申请人： Dalin Zhu ,  Zhennian Sun ,  Yu Zhang ,  Gang Wang ,  Ming Lei

发明人： Dalin Zhu ,  Zhennian Sun ,  Yu Zhang ,  Gang Wang ,  Ming Lei

IPC分类号： H04W72/08 ,  H04L5/00

CPC分类号： H04W72/085 ,  H04L1/0021 ,  H04L1/0026 ,  H04L1/20 ,  H04L5/0058 ,  H04W72/1226

摘要： Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI), the method comprising receiving a channel quality indicator (CQI) of a cross-subframe from a user equipment (UE), the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes by comparing the CQI with an adaptive threshold; and scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of determining the resources scheduling based on an adaptive threshold, CCI may be cancelled and the overall resource usage will be increased according to the present invention. Furthermore, the adaptive threshold scheme can be easily implemented in practice.

摘要翻译： 本公开的实施例提供了用于消除跨子帧同信道干扰（CCI）的方法和装置，该方法包括从用户设备（UE）接收跨子帧的信道质量指示符（CQI），跨子帧是 被相邻小区中的上行链路子帧干扰的下行链路子帧; 通过将所述CQI与自适应阈值进行比较来确定是否应在跨子帧期间调度所述UE; 以及如果所述UE被确定为被调度，则在所述跨子帧期间调度所述UE。 通过基于自适应阈值确定资源调度，可以取消CCI，并且根据本发明将增加总体资源使用。 此外，自适应阈值方案可以在实践中容易地实现。

公开(公告)号：US09553705B2

公开(公告)日：2017-01-24

申请号：US13995818

申请日：2011-11-08

申请人： Dalin Zhu ,  Ming Lei ,  Lingyang Song ,  Zhongshan Zhang ,  Tianyu Wang

发明人： Dalin Zhu ,  Ming Lei ,  Lingyang Song ,  Zhongshan Zhang ,  Tianyu Wang

IPC分类号： H04L12/16 ,  H04W4/00 ,  G06Q10/00 ,  H04L5/00 ,  G06Q30/08 ,  H04L5/14 ,  H04W72/12

CPC分类号： H04L5/0053 ,  G06Q30/08 ,  H04L5/0073 ,  H04L5/14 ,  H04W72/1231 ,  H04W72/1257

摘要： The present invention provides a method and apparatus for allocating feedback transmission resource and a method and apparatus for providing information on values thereof. According to the method of allocating feedback transmission resource, the feedback transmission resource is divided into a plurality of resource units, and the method can comprise receiving information on values of the plurality of resource units for the mobile stations; determining values of possible resource allocation status in each bidding round for the mobile stations from the received information on the values based on the sequential second price auction; and deriving an auction process of the resource units from the determined values of possible resource allocation status in each bidding round based on the sequential second price auction, so as to obtain a final resource unit allocation result for the mobile stations. With embodiments of the present invention, it is possible to improve performance in sum channel capacity and at the same time it can achieve preservation in fairness among MSs. In preferred embodiments of the present invention, the feedback transmission resource can be optimized between at least two kinds of feedback information such as channel station information and intercell interference information, which will further improve the system performance.

摘要翻译： 本发明提供了一种用于分配反馈传输资源的方法和装置，以及用于提供关于其值的信息的方法和装置。 根据分配反馈传输资源的方法，将反馈传输资源划分为多个资源单元，该方法可以包括接收关于移动站的多个资源单元的值的信息; 根据所接收到的信息，根据连续的第二价格拍卖，确定移动台每个出价轮次中可能的资源分配状态的值; 以及根据所述连续的第二价格拍卖，根据所述每个出价回合中的所述资源分配状态的确定值，得出所述资源单元的拍卖处理，以获得所述移动台的最终资源单位分配结果。 利用本发明的实施例，可以提高和信道容量的性能，同时可以在MS之间实现公平的保护。 在本发明的优选实施例中，可以在诸如信道站信息和小区间干扰信息的至少两种反馈信息之间优化反馈传输资源，这将进一步提高系统性能。

公开(公告)号：US20150009895A1

公开(公告)日：2015-01-08

申请号：US14345079

申请日：2012-03-27

申请人： Dalin Zhu ,  Zhennian Sun ,  Yu Zhang ,  Gang Wang ,  Ming Lei

发明人： Dalin Zhu ,  Zhennian Sun ,  Yu Zhang ,  Gang Wang ,  Ming Lei

IPC分类号： H04B1/10 ,  H04W24/08

CPC分类号： H04B1/1027 ,  H04B2001/1045 ,  H04L1/0026 ,  H04L5/0044 ,  H04W24/08 ,  H04W72/1231

摘要： Embodiments of the disclosure provide methods and apparatuses for cancelling cross-subframe co-channel interference (CCI). The method comprising receiving a channel quality indicators (CQI) of a cross-subframe from user equipment (UE), wherein the cross-subframe is a downlink subframe that is interfered by an uplink subframe in a neighboring cell; determining if the UE should be scheduled during cross-subframes based on at least the CQI; scheduling the UE during the cross-subframes if the UE is determined to be scheduled. By means of measuring and reporting CQIs on cross-subframe at UEs, base stations may determine more accurately if interferences at the cross-subframes are severe enough and if resources should be scheduled at the cross-subframe.

摘要翻译： 本公开的实施例提供了用于消除跨子帧同信道干扰（CCI）的方法和装置。 该方法包括从用户设备（UE）接收跨子帧的信道质量指示符（CQI），其中，所述跨子帧是被相邻小区中的上行链路子帧干扰的下行链路子帧; 至少基于所述CQI，确定是否应该在跨子帧期间调度所述UE; 如果确定UE被调度，则在跨子帧期间调度UE。 通过在UE的跨子帧上测量和报告CQI，如果跨子帧中的干扰足够严重且如果在跨子帧应该调度资源，则基站可以更准确地确定。

公开(公告)号：US09485142B2

公开(公告)日：2016-11-01

申请号：US14385035

申请日：2012-03-30

申请人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

发明人： Dalin Zhu ,  Zhennian Sun ,  Su Yi ,  Gang Wang ,  Ming Lei

IPC分类号： H04L12/24 ,  H04W72/04 ,  H04L5/14 ,  H04W24/02 ,  H04W28/18 ,  H04W72/08 ,  H04W88/08

CPC分类号： H04L41/0816 ,  H04L5/14 ,  H04W24/02 ,  H04W28/18 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0486 ,  H04W72/087 ,  H04W88/08

摘要： Embodiments of the disclosure provide a method and apparatus for reconfiguring DL-UL resource allocation in a TDD system. The method includes steps of: a) obtaining traffic condition about DL and UL data to be transmitted; b) estimating system-wise transmission capability and/or UE-wise transmission capability, wherein the system-wise transmission capability accounts for DL transmission capability and UL transmission capability of the TDD system, and the UE-wise transmission capability accounts for transmission capabilities of different UEs; and c) reconfiguring the DL-UL resource allocation according to the obtained traffic condition and the estimated system-wise transmission capability and/or UE-wise transmission capability.

摘要翻译： 本公开的实施例提供了一种用于在TDD系统中重新配置DL-UL资源分配的方法和装置。 该方法包括以下步骤：a）获得关于要发送的DL和UL数据的交通状况; b）估计系统传输能力和/或UE智能传输能力，其中系统传输能力考虑到TDD系统的DL传输能力和UL传输能力，并且UE智能传输能力考虑到传输能力 不同的UE; 以及c）根据获得的业务条件和估计的系统传输能力和/或UE智能传输能力重新配置DL-UL资源分配。

公开(公告)号：US09008238B2

公开(公告)日：2015-04-14

申请号：US13327997

申请日：2011-12-16

申请人： Dalin Zhu ,  Ming Lei

发明人： Dalin Zhu ,  Ming Lei

IPC分类号： H04L27/06 ,  H04L25/02 ,  H04L1/00

CPC分类号： H04L25/0226 ,  H04L1/0046 ,  H04L1/0057 ,  H04L27/2636

摘要： An apparatus and a method for Low-density parity-check (LDPC) decoding are provided. The apparatus for LDPC decoding comprises a post effective noise variance estimation unit for estimating a post effective noise variance based on a preamble in a received signal, an LLR calculation unit for calculating an LLR based on the estimated post effective noise variance, and a decoding unit for performing LDPC decoding based on the calculated LLR. The post effective noise variance estimation unit comprises a channel frequency response estimation unit for estimating a channel frequency response based on the preamble in the received signal, a noise variance estimation unit for estimating a noise variance based on the preamble in the received signal, and a post effective noise variance calculation unit for calculating the post effective noise variance based on the channel frequency response and the noise variance.

摘要翻译： 提供了一种用于低密度奇偶校验（LDPC）解码的装置和方法。 用于LDPC解码的装置包括：后有效噪声方差估计单元，用于基于接收信号中的前导码来估计后有效噪声方差;基于所估计的后有效噪声方差计算LLR的LLR计算单元;以及解码单元 用于基于所计算的LLR执行LDPC解码。 后有效噪声方差估计单元包括：信道频率响应估计单元，用于基于接收信号中的前导码估计信道频率响应;噪声方差估计单元，用于基于接收信号中的前导码来估计噪声方差;以及 用于基于信道频率响应和噪声方差计算后有效噪声方差的后有效噪声方差计算单元。

公开(公告)号：US20140328218A1

公开(公告)日：2014-11-06

申请号：US13995818

申请日：2011-11-08

申请人： Dalin Zhu ,  Ming Lei ,  Lingyang Song ,  Zhongshan Zhang ,  Tianyu Wang

发明人： Dalin Zhu ,  Ming Lei ,  Lingyang Song ,  Zhongshan Zhang ,  Tianyu Wang

IPC分类号： H04L5/00 ,  G06Q30/08 ,  H04L5/14

CPC分类号： H04L5/0053 ,  G06Q30/08 ,  H04L5/0073 ,  H04L5/14 ,  H04W72/1231 ,  H04W72/1257

摘要： The present invention provides a method and apparatus for allocating feedback transmission resource and a method and apparatus for providing information on values thereof. According to the method of allocating feedback transmission resource, the feedback transmission resource is divided into a plurality of resource units, and the method can comprise receiving information on values of the plurality of resource units for the mobile stations; determining values of possible resource allocation status in each bidding round for the mobile stations from the received information on the values based on the sequential second price auction; and deriving an auction process of the resource units from the determined values of possible resource allocation status in each bidding round based on the sequential second price auction, so as to obtain a final resource unit allocation result for the mobile stations. With embodiments of the present invention, it is possible to improve performance in sum channel capacity and at the same time it can achieve preservation in fairness among MSs. In preferred embodiments of the present invention, the feedback transmission resource can be optimized between at least two kinds of feedback information such as channel station information and intercell interference information, which will further improve the system performance.

摘要翻译： 本发明提供了一种用于分配反馈传输资源的方法和装置，以及用于提供关于其值的信息的方法和装置。 根据分配反馈传输资源的方法，将反馈传输资源划分为多个资源单元，该方法可以包括接收关于移动站的多个资源单元的值的信息; 根据所接收到的信息，根据连续的第二价格拍卖，确定移动台每个出价轮次中可能的资源分配状态的值; 以及根据所述连续的第二价格拍卖，根据所述每个出价回合中的所述资源分配状态的确定值，得出所述资源单元的拍卖处理，以获得所述移动台的最终资源单位分配结果。 利用本发明的实施例，可以提高和信道容量的性能，同时可以在MS之间实现公平的保护。 在本发明的优选实施例中，可以在诸如信道站信息和小区间干扰信息的至少两种反馈信息之间优化反馈传输资源，这将进一步提高系统性能。