公开(公告)号：US08649281B2

公开(公告)日：2014-02-11

申请号：US12756080

申请日：2010-04-07

申请人： Young-Han Nam ,  Yan Wang ,  Jianzhong Zhang ,  Farooq Khan

发明人： Young-Han Nam ,  Yan Wang ,  Jianzhong Zhang ,  Farooq Khan

IPC分类号： G01R31/08

CPC分类号： H04W72/1278 ,  H03M13/09 ,  H03M13/23 ,  H03M13/2957 ,  H03M13/6306 ,  H03M13/635 ,  H03M13/6525 ,  H04L1/0038 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1896 ,  H04L5/0044 ,  H04L5/0055 ,  H04L2001/0097

摘要： A wireless communication network includes a base station and a relay station. The relay station is configured to relay communications between the base station and at least one subscriber station. The base station is configured to communicate with the subscriber station via the relay station. The base station further is configured to transmit, in a subframe, a plurality of transport blocks for a plurality of Hybrid Automatic Repeat Request (HARQ) processes to the relay station. Each transport block corresponds to a different HARQ process.

摘要翻译： 无线通信网络包括基站和中继站。 中继站被配置为中继基站与至少一个用户台之间的通信。 基站被配置为经由中继站与用户台进行通信。 基站还被配置为在子帧中向中继站发送用于多个混合自动重传请求（HARQ）处理的多个传输块。 每个传输块对应于不同的HARQ进程。

公开(公告)号：US08265189B2

公开(公告)日：2012-09-11

申请号：US13436273

申请日：2012-03-30

申请人： Farooq Khan ,  Jianzhong Zhang ,  Jiann-An Tsai

发明人： Farooq Khan ,  Jianzhong Zhang ,  Jiann-An Tsai

IPC分类号： H04B7/02

CPC分类号： H04L1/04 ,  H04B7/0669 ,  H04B7/068 ,  H04J13/00 ,  H04L1/0606 ,  H04L1/0625 ,  H04L1/0668 ,  H04L1/08 ,  H04L27/2608

摘要： A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to result in a plurality of 2 by 2 matrices, with each 2 by 2 matrix corresponding to each pair of modulated symbols, orthogonally spreading the plurality of 2 by 2 matrices to generate an output matrix, and transmitting the symbols in the output matrix via a plurality of antennas by using either a space time transmission diversity scheme, a space frequency transmission diversity scheme, or a combination of a space time transmission diversity scheme and a space frequency transmission diversity scheme.

公开(公告)号：US20100104034A1

公开(公告)日：2010-04-29

申请号：US12587164

申请日：2009-10-02

申请人： Young-Han Nam ,  Jianzhong Zhang ,  Farooq Khan ,  Shadi Abu-Surra

发明人： Young-Han Nam ,  Jianzhong Zhang ,  Farooq Khan ,  Shadi Abu-Surra

IPC分类号： H04L27/28

CPC分类号： H04L5/0007 ,  H04L5/0023 ,  H04L5/0048

摘要： Systems and methods are disclosed for mapping reference signals for antenna ports in a plurality of resource blocks among resource blocks in a subframe within an orthogonal frequency division multiplexing (OFDM) communication system. This method includes selecting at least one predetermined resource elements for transmitting in the plurality of resource blocks using a first number of antenna ports. This method also includes selecting a second number of antenna ports and mapping a plurality of reference signals relating to the second number of antenna ports using a second number of OFDM symbols.

摘要翻译： 公开了用于映射正交频分复用（OFDM）通信系统内的子帧中的资源块中的多个资源块中的天线端口的参考信号的系统和方法。 该方法包括使用第一数量的天线端口来选择用于在多个资源块中发送的至少一个预定资源元素。 该方法还包括选择第二数量的天线端口，并且使用第二数量的OFDM符号来映射与第二数量的天线端口相关的多个参考信号。

公开(公告)号：US20100100791A1

公开(公告)日：2010-04-22

申请号：US12586864

申请日：2009-09-29

申请人： Shadi Abu-Surra ,  Farooq Khan ,  Jianzhong Zhang

发明人： Shadi Abu-Surra ,  Farooq Khan ,  Jianzhong Zhang

IPC分类号： H03M13/05 ,  G06F11/10

CPC分类号： H03M13/3761 ,  H03M13/118 ,  H03M13/2906 ,  H03M13/293 ,  H03M13/373 ,  H03M13/6525 ,  H03M13/653 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057

摘要： A system and method for encoding symbols in a wireless communication is provided. The system and method includes a transmitter configured to encode data transmissions. The transmitter includes a raptor encoder configured to perform a coding operation. The raptor encoder generates intermediate symbols without using a half-code such that the intermediate symbols consist of precoded symbols and parity symbols. Thereafter, the intermediate symbols are encoded using a Luby Transform to produce and output encoded symbols. The transmitter further is configured to transmit one or more of the source symbols, parity symbols or encoded symbols.

摘要翻译： 提供了一种用于在无线通信中编码符号的系统和方法。 该系统和方法包括被配置为对数据传输进行编码的发射机。 发射机包括被配置为执行编码操作的猛禽编码器。 猛禽编码器生成中间符号而不使用半码，使得中间符号由预编码符号和奇偶校验符号组成。 此后，使用Luby变换对中间符号进行编码以产生并输出编码符号。 发射机还被配置为发送源符号，奇偶校验符号或编码符号中的一个或多个。

公开(公告)号：US08340199B2

公开(公告)日：2012-12-25

申请号：US12587164

申请日：2009-10-02

申请人： Young-Han Nam ,  Jianzhong Zhang ,  Farooq Khan ,  Shadi Abu-Surra

发明人： Young-Han Nam ,  Jianzhong Zhang ,  Farooq Khan ,  Shadi Abu-Surra

IPC分类号： H04L27/28 ,  H04B7/02

CPC分类号： H04L5/0007 ,  H04L5/0023 ,  H04L5/0048

摘要： Systems and methods are disclosed for mapping reference signals for antenna ports in a plurality of resource blocks among resource blocks in a subframe within an orthogonal frequency division multiplexing (OFDM) communication system. This method includes selecting at least one predetermined resource elements for transmitting in the plurality of resource blocks using a first number of antenna ports. This method also includes selecting a second number of antenna ports and mapping a plurality of reference signals relating to the second number of antenna ports using a second number of OFDM symbols.

摘要翻译： 公开了用于映射正交频分复用（OFDM）通信系统内的子帧中的资源块中的多个资源块中的天线端口的参考信号的系统和方法。 该方法包括使用第一数量的天线端口来选择用于在多个资源块中发送的至少一个预定资源元素。 该方法还包括选择第二数量的天线端口，并且使用第二数量的OFDM符号来映射与第二数量的天线端口相关的多个参考信号。

公开(公告)号：US08301974B2

公开(公告)日：2012-10-30

申请号：US12586864

申请日：2009-09-29

申请人： Shadi Abu-Surra ,  Farooq Khan ,  Jianzhong Zhang

发明人： Shadi Abu-Surra ,  Farooq Khan ,  Jianzhong Zhang

IPC分类号： H03M13/00

CPC分类号： H03M13/3761 ,  H03M13/118 ,  H03M13/2906 ,  H03M13/293 ,  H03M13/373 ,  H03M13/6525 ,  H03M13/653 ,  H04L1/0042 ,  H04L1/0045 ,  H04L1/0057

摘要： A system and method for encoding symbols in a wireless communication is provided. The system and method includes a transmitter configured to encode data transmissions. The transmitter includes a raptor encoder configured to perform a coding operation. The raptor encoder generates intermediate symbols without using a half-code such that the intermediate symbols consist of precoded symbols and parity symbols. Thereafter, the intermediate symbols are encoded using a Luby Transform to produce and output encoded symbols. The transmitter further is configured to transmit one or more of the source symbols, parity symbols or encoded symbols.

摘要翻译： 提供了一种用于在无线通信中编码符号的系统和方法。 该系统和方法包括被配置为对数据传输进行编码的发射机。 发射机包括被配置为执行编码操作的猛禽编码器。 猛禽编码器生成中间符号而不使用半码，使得中间符号由预编码符号和奇偶校验符号组成。 此后，使用Luby变换对中间符号进行编码以产生并输出编码符号。 发射机还被配置为发送源符号，奇偶校验符号或编码符号中的一个或多个。

公开(公告)号：US08265190B2

公开(公告)日：2012-09-11

申请号：US13436320

申请日：2012-03-30

申请人： Farooq Khan ,  Jianzhong Zhang ,  Jiann-An Tsai

发明人： Farooq Khan ,  Jianzhong Zhang ,  Jiann-An Tsai

IPC分类号： H04B7/02

CPC分类号： H04L1/04 ,  H04B7/0669 ,  H04B7/068 ,  H04J13/00 ,  H04L1/0606 ,  H04L1/0625 ,  H04L1/0668 ,  H04L1/08 ,  H04L27/2608

摘要： A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to result in a plurality of 2 by 2 matrices, with each 2 by 2 matrix corresponding to each pair of modulated symbols, orthogonally spreading the plurality of 2 by 2 matrices to generate an output matrix, and transmitting the symbols in the output matrix via a plurality of antennas by using either a space time transmission diversity scheme, a space frequency transmission diversity scheme, or a combination of a space time transmission diversity scheme and a space frequency transmission diversity scheme.

公开(公告)号：US20110268075A1

公开(公告)日：2011-11-03

申请号：US13144403

申请日：2010-01-13

申请人： Youn Hyoung Heo ,  Joon Young Cho ,  Ju Ho Lee ,  Jin Kyu Han ,  Farooq Khan ,  Jianzhong Zhang

发明人： Youn Hyoung Heo ,  Joon Young Cho ,  Ju Ho Lee ,  Jin Kyu Han ,  Farooq Khan ,  Jianzhong Zhang

IPC分类号： H04W72/04

CPC分类号： H04L5/0057 ,  H04L1/1812 ,  H04L1/1861 ,  H04L1/1864 ,  H04L5/0037 ,  H04L5/0053 ,  H04W72/0413

摘要： A method and apparatus for transmitting uplink control information on the data channel in a multi-carrier wireless communication system is provided. An Uplink Control Information (UCI) transmission method in a wireless communication system supporting multicarrier transmission according to the present invention includes channel-coding a UCI with reference to a number of UCI bits available; dividing the channel coded UCI bits into a number of Physical Uplink Shared Channels (PUSCHs); and transmitting the UCI multiplexed with data on the individual PUSCHs.

摘要翻译： 提供一种用于在多载波无线通信系统中的数据信道上发送上行链路控制信息的方法和装置。 根据本发明的支持多载波传输的无线通信系统中的上行链路控制信息（UCI）传输方法包括参考可用的UCI比特数量对UCI进行信道编码; 将信道编码的UCI比特划分成多个物理上行链路共享信道（PUSCH）; 以及在各个PUSCH上发送与数据多路复用的UCI。

公开(公告)号：US07649831B2

公开(公告)日：2010-01-19

申请号：US11979266

申请日：2007-10-31

申请人： Cornelius Van Rensburg ,  Jianzhong Zhang ,  Farooq Khan

发明人： Cornelius Van Rensburg ,  Jianzhong Zhang ,  Farooq Khan

IPC分类号： H04J11/00

CPC分类号： H04B7/0639 ,  H04B7/0478 ,  H04B7/065 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/06 ,  H04L25/03343 ,  H04L27/2601 ,  H04L2001/0093

摘要： The present invention provides a method for feedback and transmission of multi-user (MU) multiple input multiple output (MIMO) in a wireless communication system. The method includes steps of selecting subset codebook or full code book based on traffic load of a base station, and broadcasting the selected codebook to user equipments. In high traffic load, subset codebook is selected, and in low traffic load, full codebook is selected. User stations calculated a channel quality indicator of a spatial codeword vector that is included in the selected codebook. Information of the maximum channel quality indicator is sent to the base station together with a precoder of the user equipment. The base station selects user equipments based on the information of the maximum channel quality indicator and precoder, and transmits precoder signal and data signal to the user equipments. The present invention also provides a system for the base station that causes the base station to perform the above mentioned operations.

摘要翻译： 本发明提供了一种在无线通信系统中反馈和传输多用户（MU）多输入多输出（MIMO）的方法。 该方法包括基于基站的业务负载选择子码本或全码本，并将所选码本广播给用户设备的步骤。 在高流量负载下，选择子码本，在低流量负载下，选择完整的码本。 用户站计算包含在所选码本中的空间码字矢量的信道质量指示符。 最大信道质量指示符的信息与用户设备的预编码器一起发送到基站。 基站根据最大信道质量指示符和预编码器的信息选择用户设备，并向用户设备发送预编码信号和数据信号。 本发明还提供一种使基站执行上述操作的基站的系统。

公开(公告)号：US20090080549A1

公开(公告)日：2009-03-26

申请号：US12216422

申请日：2008-07-03

申请人： Farooq Khan ,  Zhouyue Pl ,  Cornelius Van Rensburg ,  Jianzhong Zhang

发明人： Farooq Khan ,  Zhouyue Pl ,  Cornelius Van Rensburg ,  Jianzhong Zhang

IPC分类号： H04K1/10

CPC分类号： H04L25/03343 ,  H04B7/0417 ,  H04B7/0478 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/006 ,  H04L25/0204 ,  H04L25/0228 ,  H04L2025/03414 ,  H04L2025/03426

摘要： Methods and apparatus for efficiently feeding back preceding information in a multiple input multiple output (MIMO) system. A codebook including a plurality of codebook entries is constructed. A plurality of subsets of codebook entries are defined for the codebook. Each subset includes a plurality of codebook entries. A subset of codebook entries is selected for precoding data in dependence upon a channel condition, and a codebook entry is selected from the subset. Then, a subset index corresponding to the selected subset, and a codebook entry index corresponding to the selected codebook entry within the selected subset, is transmitted as feedback information.

摘要翻译： 用于在多输入多输出（MIMO）系统中有效地反馈先前信息的方法和装置。 构造包括多个码本条目的码本。 为码本定义了多个码本条目子集。 每个子集包括多个码本条目。 根据信道条件选择码本条目的子集用于预编码数据，并从子集中选择码本条目。 然后，作为反馈信息发送对应于所选择的子集的子集索引以及与所选择的子集内的所选码本条目相对应的码本条目索引。