公开(公告)号：US20090238297A1

公开(公告)日：2009-09-24

申请号：US12370428

申请日：2009-02-12

申请人： Jie ZHANG ,  Hua Zhou ,  Jinyin XUE

发明人： Jie ZHANG ,  Hua Zhou ,  Jinyin XUE

IPC分类号： H04L1/02

CPC分类号： H04L1/0001

摘要： The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency.

摘要翻译： 本发明涉及用于选择子信道模式的方法和使用该信道模式的MIMO通信系统。 一种用于自适应地选择码调制子信道模式的方法适用于包括基站和移动终端的MIMO通信系统，其中该方法包括以下步骤：移动终端估计其信道状态信息，并确定 基于信道状态信息最适合于数据传输的子信道结构; 所述移动终端将关于所述确定的最适合于向所述基站的数据传输的子信道结构的信息反馈给所述基站; 并且基于由移动终端反馈的子信道结构的信息，基站确定用于下行链路的子信道结构。 根据本发明，通信系统中的子信道结构可以根据实际的通信环境自适应地改变，从而提高整个通信质量和效率。

公开(公告)号：US08488704B2

公开(公告)日：2013-07-16

申请号：US12370428

申请日：2009-02-12

申请人： Jie Zhang ,  Hua Zhou ,  Jinyin Xue

发明人： Jie Zhang ,  Hua Zhou ,  Jinyin Xue

IPC分类号： H04L1/02 ,  H04B7/02

CPC分类号： H04L1/0001

摘要： The invention relates to Method for Selecting Subchannel Mode and MIMO Communication System Using the Same. A method for self-adaptively selecting a code modulation sub-channel mode is suitably used in a MIMO communication system that comprises a base station and mobile terminals, wherein the method comprises the steps of: the mobile terminal estimating channel state information thereof, and determining a sub-channel structure most suitable for data transmission thereto, based on the channel state information; the mobile terminal feeding back information on the determined sub-channel structure most suitable for data transmission thereto to the base station; and the base station determining a sub-channel structure used for a down link, based on the information on the sub-channel structure fed back by the mobile terminal. According to the present invention, the subchannel structure in the communication system can be self-adaptively changed according to the actual communication environment, so as to improve the entire communication quality and efficiency.

摘要翻译： 本发明涉及用于选择子信道模式的方法和使用该信道模式的MIMO通信系统。 一种用于自适应地选择码调制子信道模式的方法适用于包括基站和移动终端的MIMO通信系统，其中该方法包括以下步骤：移动终端估计其信道状态信息，并确定 基于信道状态信息最适合于数据传输的子信道结构; 所述移动终端将关于所述确定的最适合于向所述基站的数据传输的子信道结构的信息反馈给所述基站; 并且基于由移动终端反馈的子信道结构的信息，基站确定用于下行链路的子信道结构。 根据本发明，通信系统中的子信道结构可以根据实际的通信环境自适应地改变，从而提高整个通信质量和效率。

公开(公告)号：US08315295B2

公开(公告)日：2012-11-20

申请号：US12486574

申请日：2009-06-17

申请人： Hua Zhou ,  Jun Tian ,  Yuantao Zhang ,  Jinyin Xue

发明人： Hua Zhou ,  Jun Tian ,  Yuantao Zhang ,  Jinyin Xue

IPC分类号： H04B17/00

CPC分类号： H04L1/0003 ,  H04L1/0009 ,  H04L1/0019

摘要： The present invention provides method and apparatus for designing modulation and coding set of communication System. The method for designing modulation and coding set designs a proper set of modulation and coding schemes (MCS), based on probability distribution of the quality of received signal in the communication system, so as to optimize the whole performance of the communication system. The method comprises the steps of: acquiring the probability distribution of the quality of the received signal in the communication system; performing a calculation on the target performance of the communication system based on the acquired probability distribution of the quality of the received signal and a plurality of MCSs, to design a proper set of MCSs for the communication system, so that a region where the probability of the quality of the received signal appears more frequently are provided with more levels of the MCSs.

摘要翻译： 本发明提供了一种用于设计通信系统的调制和编码集合的方法和装置。 基于通信系统中接收信号质量的概率分布，设计调制编码集的方法设计了适当的调制编码方案（MCS）集，从而优化了通信系统的整体性能。 该方法包括以下步骤：获取通信系统中接收信号质量的概率分布; 基于所获取的接收信号的质量和多个MCS的概率分布来对通信系统的目标性能进行计算，以设计用于通信系统的适当的MCS集合，使得可能性为 更频繁地出现接收到的信号的质量被提供更多级别的MCS。

公开(公告)号：US08112033B2

公开(公告)日：2012-02-07

申请号：US12646377

申请日：2009-12-23

申请人： Jinyin Xue ,  Jianming Wu ,  Jun Tian ,  Hua Zhou

发明人： Jinyin Xue ,  Jianming Wu ,  Jun Tian ,  Hua Zhou

IPC分类号： H04B7/15

CPC分类号： H04L27/3461 ,  H04B7/15521 ,  H04B7/2606 ,  H04L1/0003 ,  H04L1/0077 ,  H04L27/3405

摘要： A data relay apparatus includes a first demodulating unit, demodulating a modulation signal of a first modulation mode from a first transmission source; a second demodulating unit, demodulating a modulation signal from a second transmission source, having a modulation mode higher than the first modulation mode; a combination controlling unit, providing a mapping rule necessary for performing signal combination in accordance with the modulation mode of the modulation signal from each of the first and second transmission source, the mapping rule to map the demodulated modulation signal from the first transmission source together with the demodulated modulation signal from the second transmission source to a constellation of symbols of the second modulation mode; a data combining unit, performing data combination on the demodulated modulation signal from the first transmission source and the demodulated modulation signal from the second transmission source according to the mapping rule.

摘要翻译： 数据中继装置包括：第一解调单元，从第一发送源解调第一调制模式的调制信号; 第二解调单元，对具有高于第一调制模式的调制模式的来自第二发送源的调制信号进行解调; 组合控制单元，提供根据来自第一和第二传输源中的每一个的调制信号的调制模式执行信号组合所必需的映射规则，映射规则将来自第一传输源的解调调制信号与 从第二传输源到第二调制模式的符号星座的解调调制信号; 数据组合单元，根据映射规则对来自第一发送源的解调调制信号和来自第二发送源的解调调制信号执行数据组合。

公开(公告)号：US08971266B2

公开(公告)日：2015-03-03

申请号：US13528038

申请日：2012-06-20

申请人： Yi Wang ,  Yuantao Zhang ,  Jie Zhang ,  Jianming Wu ,  Hua Zhou

发明人： Yi Wang ,  Yuantao Zhang ,  Jie Zhang ,  Jianming Wu ,  Hua Zhou

IPC分类号： H04W4/00 ,  H04W52/58 ,  H04L1/00 ,  H04W52/04 ,  H04W28/04

CPC分类号： H04W52/58 ,  H04L1/0041 ,  H04L1/0061 ,  H04W28/04 ,  H04W52/04

摘要： A method and an apparatus for conveying downlink scheduling signaling. The method comprises: generating a plurality of masking sequences corresponding to a plurality of predetermined downlink scheduling information including downlink physical resource assignment indicating information or power assignment information for a Demodulation Reference Signal (DMRS); and selecting a corresponding masking sequence from the plurality of masking sequences based on downlink scheduling information to be notified to a User Equipment (UE), and masking a Cyclic Redundancy Check (CRC) of a corresponding downlink control channel of the user equipment with the selected masking sequence for transmission.

摘要翻译： 一种用于传送下行链路调度信令的方法和装置。 该方法包括：产生对应于包括用于解调参考信号（DMRS）的下行链路物理资源分配指示信息或功率分配信息的多个预定下行链路调度信息的多个屏蔽序列; 以及基于将被通知给用户设备（UE）的下行链路调度信息从所述多个屏蔽序列中选择相应的屏蔽序列，并且使用所选择的用户设备屏蔽所述用户设备的相应下行链路控制信道的循环冗余校验（CRC） 用于传输的屏蔽序列。

公开(公告)号：US08416865B2

公开(公告)日：2013-04-09

申请号：US12495945

申请日：2009-07-01

申请人： Jie Zhang ,  Hua Zhou ,  Jun Tian

发明人： Jie Zhang ,  Hua Zhou ,  Jun Tian

IPC分类号： H04K1/10

CPC分类号： H04L27/2607 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/0058

摘要： The present invention provides a wireless transmission method and system based on maximum multi-path delay estimation. A wireless transmission method based on an estimation of maximum multi-paths delay, comprising: a communication apparatus involved in wireless communication estimates the maximum multi-paths delay of a currently received frame; the communication apparatus performs a quantization and coding on feedback information related with the estimated maximum multi-paths delay, and then sends the feedback information which has been subjected to the quantization and coding to an opposing communication apparatus which is in wireless communication with the communication apparatus; the opposing communication apparatus recovers the feedback information by demodulating and decoding the feedback information which has been subjected to the quantization and coding; the opposing communication apparatus performs an adaptive adjustment of wireless signals transmitted to the communication apparatus, based on the recovered feedback information. With this method, system parameters can be adaptively adjusted so as to that sufficiently improves the spectrum utilization efficiency of wireless resources (the throughput is increased by about 5%).

摘要翻译： 本发明提供一种基于最大多径延迟估计的无线传输方法和系统。 一种基于最大多路径延迟的估计的无线传输方法，包括：无线通信中涉及的通信装置估计当前接收到的帧的最大多径延迟; 通信装置对与估计的最大多径延迟相关的反馈信息进行量化和编码，然后将经过量化和编码的反馈信息发送到与通信装置无线通信的相对的通信装置 ; 相对的通信装置通过对经过量化和编码的反馈信息进行解调和解码来恢复反馈信息; 相对的通信装置基于恢复的反馈信息对发送到通信装置的无线信号进行自适应调整。 通过这种方法，可以自适应地调整系统参数，以充分提高无线资源的频谱利用效率（吞吐量提高约5％）。

公开(公告)号：US20100151871A1

公开(公告)日：2010-06-17

申请号：US12529310

申请日：2007-08-31

申请人： Jie Zhang ,  Hua Zhou

发明人： Jie Zhang ,  Hua Zhou

IPC分类号： H04W72/12 ,  H04B7/02

CPC分类号： H04L1/06 ,  H04L1/0002 ,  H04L1/0026

摘要： There is provided a method for scheduling users in a multi user-multi input multi output (MU-MIMO) wireless communication system. The MU-MIMO wireless communication system comprises at least one based station and at least one user equipment, the base station is capable of accommodating plural user equipments by precoding based on a codebook, the method comprising: each of the plural user equipments conducting a channel estimation based on a pilot signal transmitted from the base station, to obtain a channel information; determining, based on the channel information, a codeword that results in the maximum signal-noise-ratio (SNR), and a channel quality indictor (CQI) value corresponding to the codeword; and feeding back the codeword and the CQI value to the base station, the base station setting up an active user set that includes at least one user allowed of downlink transmission based on the codewords and the CQI values fed back from the user equipments, so that a predetermined performance metric of the system is maximized.

摘要翻译： 提供了一种用于在多用户 - 多输入多输出（MU-MIMO）无线通信系统中调度用户的方法。 MU-MIMO无线通信系统包括至少一个基站和至少一个用户设备，基站能够通过基于码本的预编码来容纳多个用户设备，该方法包括：多个用户设备中的每一个进行信道 基于从基站发送的导频信号进行估计，获得频道信息; 基于所述信道信息确定导致最大信噪比（SNR）的码字和对应于码字的信道质量指示符（CQI）值; 并且将所述码字和所述CQI值反馈给所述基站，所述基站基于所述码字建立包括允许下行链路传输的至少一个用户的活动用户集和从所述用户设备反馈的所述CQI值，使得 系统的预定性能度量被最大化。

公开(公告)号：US08699429B2

公开(公告)日：2014-04-15

申请号：US12525024

申请日：2007-08-31

申请人： Hua Zhou ,  Jie Zhang

发明人： Hua Zhou ,  Jie Zhang

IPC分类号： H04W52/24 ,  H04W52/26 ,  H04B10/04 ,  H04B7/00 ,  H04L1/02

CPC分类号： H04B7/0689 ,  H04B7/0452 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065

摘要： There is provided a MIMO wireless communication system, which comprises at least one base station having plural transmitting antennas and at least one user equipment having at least one receiving antennas, the base station being capable of accommodating plural user equipments by precoding based on a codebook, wherein, each of the plural user equipments comprises: a channel estimation unit for conducting a channel estimation based on a pilot signal transmitted from the base station, to obtain a channel information; a codeword determination unit for determining a first codeword that results in the maximum signal-noise-ratio, and at least one second codeword that results in the minimum signal-noise-ratio, based on the channel information; and a transmission unit for feedbacking the first codeword and the second codeword(s) to the base station, the base station is configured to schedule the user equipments based on the first codeword and the second codeword so that a predetermined system performance metric is optimized.

摘要翻译： 提供了一种MIMO无线通信系统，其包括具有多个发送天线的至少一个基站和具有至少一个接收天线的至少一个用户设备，所述基站能够通过基于码本的预编码来容纳多个用户设备， 其中，所述多个用户设备中的每一个包括：信道估计单元，用于基于从所述基站发送的导频信号进行信道估计，以获得信道信息; 码字确定单元，用于基于所述信道信息确定导致最大信噪比的第一码字和导致最小信噪比的至少一个第二码字; 以及用于将所述第一码字和所述第二码字反馈到所述基站的发送单元，所述基站被配置为基于所述第一码字和所述第二码字来调度所述用户设备，从而优化预定的系统性能度量。

公开(公告)号：US08483292B2

公开(公告)日：2013-07-09

申请号：US13284593

申请日：2011-10-28

申请人： Jian Wang ,  Jie Zhang ,  Jun Tian ,  Hua Zhou ,  Jianming Wu

发明人： Jian Wang ,  Jie Zhang ,  Jun Tian ,  Hua Zhou ,  Jianming Wu

IPC分类号： H04L27/00

CPC分类号： H04B7/024 ,  H04J11/0053 ,  H04L5/0007 ,  H04L5/0035 ,  H04L25/03904 ,  H04W72/085

摘要： The communication apparatus includes: a channel estimating unit for acquiring a channel estimation value of a channel between the communication apparatus and a cell base station of a cell in which the communication apparatus is located; a transmitter transmitting the channel estimation value or information based on the channel estimation value to the cell base station; a receiver receiving coordinated multipoint (CoMP) message from the cell base station, the CoMP message indicates the CoMP transmission mode, the codebook or precoding matrix used by the cell base station, and the codebook or precoding matrix used by a coordinated base station that coordinates with the cell base station; a channel matrix forming unit for acquiring a channel matrix according to the CoMP message; and a decoder decoding received signals according to the channel matrix and the CoMP message.

摘要翻译： 通信装置包括：信道估计单元，用于获取通信装置与通信装置所在的小区的小区基站之间的信道的信道估计值; 发射机，根据所述信道估计值向所述小区基站发送所述信道估计值或信息; 接收机从小区基站接收协调多点（CoMP）消息，CoMP消息指示小区基站使用的CoMP传输模式，码本或预编码矩阵，以及由协调基站使用的码本或预编码矩阵， 与小区基站; 信道矩阵形成单元，用于根据所述CoMP消息获取信道矩阵; 解码器根据信道矩阵和CoMP消息解码接收信号。

公开(公告)号：US20100002796A1

公开(公告)日：2010-01-07

申请号：US12495945

申请日：2009-07-01

申请人： Jie Zhang ,  Hua Zhou ,  Jun Tain

发明人： Jie Zhang ,  Hua Zhou ,  Jun Tain

IPC分类号： H04B7/02 ,  H04L27/00

CPC分类号： H04L27/2607 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/0058

摘要： The present invention provides a wireless transmission method and system based on maximum multi-path delay estimation. A wireless transmission method based on an estimation of maximum multi-paths delay, comprising: a communication apparatus involved in wireless communication estimates the maximum multi-paths delay of a currently received frame; the communication apparatus performs a quantization and coding on feedback information related with the estimated maximum multi-paths delay, and then sends the feedback information which has been subjected to the quantization and coding to an opposing communication apparatus which is in wireless communication with the communication apparatus; the opposing communication apparatus recovers the feedback information by demodulating and decoding the feedback information which has been subjected to the quantization and coding; the opposing communication apparatus performs an adaptive adjustment of wireless signals transmitted to the communication apparatus, based on the recovered feedback information. With this method, system parameters can be adaptively adjusted so as to that sufficiently improves the spectrum utilization efficiency of wireless resources (the throughput is increased by about 5%).

摘要翻译： 本发明提供一种基于最大多径延迟估计的无线传输方法和系统。 一种基于最大多路径延迟的估计的无线传输方法，包括：无线通信中涉及的通信装置估计当前接收到的帧的最大多径延迟; 通信装置对与估计的最大多径延迟相关的反馈信息进行量化和编码，然后将经过量化和编码的反馈信息发送到与通信装置无线通信的相对的通信装置 ; 相对的通信装置通过对经过量化和编码的反馈信息进行解调和解码来恢复反馈信息; 相对的通信装置基于恢复的反馈信息对发送到通信装置的无线信号进行自适应调整。 通过这种方法，可以自适应地调整系统参数，以充分提高无线资源的频谱利用效率（吞吐量提高约5％）。