公开(公告)号：US20130201902A1

公开(公告)日：2013-08-08

申请号：US13816942

申请日：2011-08-11

申请人： Satoshi Nagata ,  Yuan Yan ,  Anxin Li

发明人： Satoshi Nagata ,  Yuan Yan ,  Anxin Li

IPC分类号： H04W72/04

CPC分类号： H04W72/04 ,  H04W84/047 ,  H04W88/08

摘要： The present invention provides a radio base station apparatus and a resource allocation method that can improve the inequality of the amount of radio resources to allocate to UEs under relay nodes and improve the cell edge user throughput performance. The radio base station apparatus according to the present invention has a frequency bandwidth control section (113) that controls the frequency bandwidth for each radio relay station apparatus based on the quality of the backhaul links between the radio base station apparatus and a plurality of radio relay station apparatuses, and a transmission section that transmits downlink signals to the plurality of radio relay station apparatuses over the frequency bandwidth controlled by the frequency bandwidth control section (113).

摘要翻译： 本发明提供一种无线基站装置和资源分配方法，其能够提高对中继节点处的UE分配的无线资源的量的不等式，并且提高小区边缘用户吞吐量性能。 根据本发明的无线基站装置具有频率带宽控制部（113），其根据无线基站装置与多个无线中继装置之间的回程链路的质量来控制各无线终端装置的频带宽度 以及发送部，其通过由频率带宽控制部（113）控制的频率带宽向多个无线中继站装置发送下行链路信号。

公开(公告)号：US20110013713A1

公开(公告)日：2011-01-20

申请号：US12833881

申请日：2010-07-09

申请人： Anxin Li ,  Yuan Yan ,  Xinying Gao ,  Hidetoshi Kayama

发明人： Anxin Li ,  Yuan Yan ,  Xinying Gao ,  Hidetoshi Kayama

IPC分类号： H04B7/02

CPC分类号： H04B7/0689 ,  H04L1/0606 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0044 ,  H04L2001/0098

摘要： A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port paring mode corresponding to a current slot; performing, for OFDM symbols including reference signals in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol group according to the first antenna port paring mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the symbols to a physical antenna for transmission. According to embodiments of the invention, comparatively important symbols may obtain better protection.

摘要翻译： 公开了一种用于下行链路发射分集的数据处理方法和基站。 该方法的一个实施例包括：获得通过在间隔中布置第一类型数据符号和第二类型数据符号形成的数据符号组，其中第一类型数据符号更重要; 确定对应于当前时隙的第一天线端口配对模式; 对于包括当前时隙中的参考信号的OFDM符号，对根据第一天线端口配对模式对应于数据符号组的发射分集矩阵中的符号执行天线端口和子载波映射，其中，将与 第一类型数据符号位于相邻天线端口处的参考信号所在的子载波上; 并且对映射到子载波的符号执行反快速傅里叶变换和循环前缀插入处理，然后将符号映射到物理天线进行传输。 根据本发明的实施例，比较重要的符号可以获得更好的保护。

公开(公告)号：US20080013641A1

公开(公告)日：2008-01-17

申请号：US11821197

申请日：2007-06-21

申请人： Anxin Li ,  Mingshu Wang ,  Xiangming Li ,  Hidetoshi Kayama

发明人： Anxin Li ,  Mingshu Wang ,  Xiangming Li ,  Hidetoshi Kayama

IPC分类号： H04L23/02 ,  H04L5/12

CPC分类号： H04L27/186 ,  H04L1/0054 ,  H04L1/006

摘要： One embodiment of the present invention provides a data transmission method, including: performing a serial-to-parallel conversion for input date stream, obtaining 4 parallel data streams and partitioning the 4 parallel data streams into 2 groups; performing trellis encoding for one group and selecting one basic codeword subset from all basic codeword subsets according to the trellis encoding output; performing trellis encoding for one data stream in the other group and selecting one phase subset from all phase subsets according to the trellis encoding output, and selecting a phase value from the selected phase subset according to another data stream in the other group; rotating the codeword selected from the basic codeword subset by the selected phase value and obtaining and transmitting an output codeword to a data receive-side. One embodiment of the present invention also includes another data transmission method and two data transmission apparatuses.

摘要翻译： 本发明的一个实施例提供一种数据传输方法，包括：对输入日期流进行串并转换，获得4个并行数据流，并将4个并行数据流划分为2组; 对一组执行网格编码，并根据网格编码输出从所有基本码字子集中选择一个基本码字子集; 对另一组中的一个数据流执行网格编码，并根据网格编码输出从所有相位子集中选择一个相位子集，以及根据另一组中的另一数据流从所选择的相位子集中选择相位值; 将从所述基本码字子集选择的所述码字旋转所选择的相位值，并获得并将数据发送到数据接收侧。 本发明的一个实施例还包括另一数据传输方法和两个数据传输装置。

公开(公告)号：US08982752B2

公开(公告)日：2015-03-17

申请号：US13639285

申请日：2011-03-30

申请人： Nobuhiko Miki ,  Kazuaki Takeda ,  Yuan Yan ,  Anxin Li

发明人： Nobuhiko Miki ,  Kazuaki Takeda ,  Yuan Yan ,  Anxin Li

IPC分类号： H04B7/00 ,  H04L5/00 ,  H04W72/04

CPC分类号： H04L5/0007 ,  H04L5/001 ,  H04L5/0053 ,  H04W72/042

摘要： The present invention provides a search space configuration that is suitable for a communication system in which a plurality of fundamental frequency blocks are grouped together into a wide band. A base station apparatus (20) has a selection section (302) that selects a system band in fundamental frequency block units, a downlink control information generation section (306) that generates downlink control information for demodulating the data channels that are sent separately in the selected fundamental frequency blocks, and arranges, in the downlink control channel of a specific fundamental frequency block among a plurality of fundamental frequency blocks, a search space in which downlink control information for the plurality of fundamental frequency blocks is contained, and a transmission section (203) that transmits the downlink control channel in which the search space with the downlink control information is arranged.

摘要翻译： 本发明提供一种搜索空间配置，其适合于将多个基本频率块分组成宽带的通信系统。 基站装置（20）具有以基本频率块为单位选择系统频带的选择部（302），生成下行链路控制信息的下行链路控制信息生成部（306），用于解调分别在 并且在多个基本频率块中的特定基本频率块的下行链路控制信道中排列包含多个基本频率块的下行链路控制信息的搜索空间，以及发送部（ 203），其发送具有下行链路控制信息的搜索空间的下行链路控制信道。

公开(公告)号：US20130058294A1

公开(公告)日：2013-03-07

申请号：US13639285

申请日：2011-03-30

申请人： Nobuhiko Miki ,  Kazuaki Takeda ,  Yuan Yan ,  Anxin Li

发明人： Nobuhiko Miki ,  Kazuaki Takeda ,  Yuan Yan ,  Anxin Li

IPC分类号： H04W72/04

CPC分类号： H04L5/0007 ,  H04L5/001 ,  H04L5/0053 ,  H04W72/042

摘要： The present invention provides a search space configuration that is suitable for a communication system in which a plurality of fundamental frequency blocks are grouped together into a wide band. A base station apparatus (20) has a selection section (302) that selects a system band in fundamental frequency block units, a downlink control information generation section (306) that generates downlink control information for demodulating the data channels that are sent separately in the selected fundamental frequency blocks, and arranges, in the downlink control channel of a specific fundamental frequency block among a plurality of fundamental frequency blocks, a search space in which downlink control information for the plurality of fundamental frequency blocks is contained, and a transmission section (203) that transmits the downlink control channel in which the search space with the downlink control information is arranged.

摘要翻译： 本发明提供一种搜索空间配置，其适合于将多个基本频率块分组成宽带的通信系统。 基站装置（20）具有以基本频率块为单位选择系统频带的选择部（302），生成下行链路控制信息的下行链路控制信息生成部（306），用于解调分别在 并且在多个基本频率块中的特定基本频率块的下行链路控制信道中排列包含多个基本频率块的下行链路控制信息的搜索空间，以及发送部（ 203），其发送具有下行链路控制信息的搜索空间的下行链路控制信道。

公开(公告)号：US08385453B2

公开(公告)日：2013-02-26

申请号：US12833881

申请日：2010-07-09

申请人： Anxin Li ,  Yuan Yan ,  Xinying Gao ,  Hidetoshi Kayama

发明人： Anxin Li ,  Yuan Yan ,  Xinying Gao ,  Hidetoshi Kayama

IPC分类号： H04B7/02 ,  H04L1/02

CPC分类号： H04B7/0689 ,  H04L1/0606 ,  H04L1/0618 ,  H04L5/0023 ,  H04L5/0044 ,  H04L2001/0098

摘要： A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port pairing mode corresponding to a current slot; performing, for OFDM symbols including the reference signal in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol groups according to the first antenna port pairing mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the time domain symbols to a physical antenna for transmission. According to embodiments of the invention, comparatively important symbols may obtain better protection.

摘要翻译： 公开了一种用于下行链路发射分集的数据处理方法和基站。 该方法的一个实施例包括：获得通过在间隔中布置第一类型数据符号和第二类型数据符号形成的数据符号组，其中第一类型数据符号更重要; 确定对应于当前时隙的第一天线端口配对模式; 对于包括当前时隙中的参考信号的OFDM符号，对与根据第一天线端口配对模式的数据符号组相对应的发射分集矩阵中的符号执行天线端口和子载波映射，其中符号相关的子载波 位于第一类型数据符号的位置更靠近相同天线端口处的参考信号所位于的子载波; 对映射到子载波上的符号执行反快速傅里叶变换和循环前缀插入处理，然后将时域符号映射到物理天线进行传输。 根据本发明的实施例，比较重要的符号可以获得更好的保护。

公开(公告)号：US08107439B2

公开(公告)日：2012-01-31

申请号：US12396253

申请日：2009-03-02

申请人： Yuan Yan ,  Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama

发明人： Yuan Yan ,  Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama

IPC分类号： H04W4/00

CPC分类号： H04W72/085 ,  H04W4/08 ,  H04W24/10 ,  H04W48/16

摘要： The present invention discloses a method and apparatus of physical resource allocation as well as a method of data receiving and a receiving end in a wireless communication system. The method of physical resource allocation includes: detecting a pilot signal sent by each user within a designated range; obtaining received power of the pilot signal sent by each user; scheduling each user within the designated range to obtain a user group including at least one user according to the received power; and allocating a same physical resource to each user of the user group. According to the method and the apparatus, it is possible to reuse a physical resource and sequentially decode data packets corresponding to users in a user group occupying the same physical resource according to the Capture Effect and interference cancellation technology, thereby improving the spectrum efficiency and throughput of uplink or downlink greatly.

摘要翻译： 本发明公开了一种物理资源分配的方法和装置，以及无线通信系统中的数据接收和接收端的方法。 物理资源分配方法包括：检测每个用户在指定范围内发送的导频信号; 获取每个用户发送的导频信号的接收功率; 在指定范围内调度每个用户以根据所接收的功率获得包括至少一个用户的用户组; 并向用户组的每个用户分配相同的物理资源。 根据该方法和装置，可以根据捕获效应和干扰消除技术重新使用物理资源并对占用相同物理资源的用户组中的用户对应的数据分组进行顺序解码，从而提高频谱效率和吞吐量 的上行链路或下行链路。

公开(公告)号：US07965785B2

公开(公告)日：2011-06-21

申请号：US11930600

申请日：2007-10-31

申请人： Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama ,  Ismail Guvenc ,  Moo Ryong Jeong

发明人： Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama ,  Ismail Guvenc ,  Moo Ryong Jeong

IPC分类号： H04B7/02

CPC分类号： H04B7/0413 ,  H04B7/024 ,  H04B7/026 ,  H04B7/0404 ,  H04B7/0456 ,  H04B7/0602 ,  H04B7/0669 ,  H04B7/0678 ,  H04B7/0689 ,  H04B7/0691 ,  H04B7/0697 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0048 ,  H04L25/0206 ,  H04L2025/03426 ,  H04W8/24 ,  H04W72/0406

摘要： A method is provided for MIMO uplink communications between a base station and a wireless station with more than two antennae. The method includes: (a) negotiating between the base station and the wireless station uplink MIMO/cooperative MIMO capabilities, using a message exchange protocol in which a message exchanged comprises a field for specifying uplink MIMO/cooperative MIMO capabilities; (b) the base station receiving a request from the wireless station for data transmission; (c) the base station sending the wireless station an allocated resource and an uplink MIMO/cooperative MIMO method for uplink transmission; (e) the wireless station mapping data symbols to the allocated resource with proper pilot pattern; and (f) the base station detecting the data symbols from the channel.

摘要翻译： 提供了一种用于具有两个以上天线的基站与无线站之间的MIMO上行链路通信的方法。 该方法包括：（a）使用消息交换协议在基站和无线站上行MIMO /协作MIMO能力之间进行协商，其中交换的消息包括用于指定上行MIMO /协作MIMO能力的字段; （b）基站接收来自无线站的数据传输请求; （c）基站向无线站发送分配的资源和用于上行链路传输的上行MIMO /协作MIMO方法; （e）无线站将数据符号以适当的导频模式映射到所分配的资源; 和（f）基站从信道检测数据符号。

公开(公告)号：US20130286930A1

公开(公告)日：2013-10-31

申请号：US13877544

申请日：2011-10-03

申请人： Satoshi Nagata ,  Yuan Yan ,  Anxin Li ,  Xinying Gao

发明人： Satoshi Nagata ,  Yuan Yan ,  Anxin Li ,  Xinying Gao

IPC分类号： H04B7/155 ,  H04W72/04

CPC分类号： H04B7/15542 ,  H04W72/0453 ,  H04W72/082 ,  H04W84/047

摘要： To prevent throughput of a macro terminal connecting to a radio base station from deteriorating due to an interference signal from a relay station provided in a cell of the radio base station in a radio communication system using relay transmission techniques, a relay transmission method of the invention has a step in which a relay station receives data to a relay terminal from a radio base station via a backhaul link, a step in which the relay station allocates a radio resource to the relay terminal to a certain frequency region over a plurality of TTIs, and a step in which the relay station transmits the data to the relay terminal via an access link using the allocated radio resource.

摘要翻译： 为了防止连接到无线基站的宏终端的吞吐量由于使用中继传输技术的无线电通信系统中由于设置在无线电基站的小区中的中继站的干扰信号而恶化，本发明的中继传输方法 具有中继站经由回程链路从无线基站向中继终端接收数据的步骤，中继站在多个TTI中向中继终端分配无线资源至特定频率区域的步骤， 以及中继站使用分配的无线电资源经由接入链路向中继终端发送数据的步骤。

公开(公告)号：US20090232073A1

公开(公告)日：2009-09-17

申请号：US12396253

申请日：2009-03-02

申请人： Yuan Yan ,  Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama

发明人： Yuan Yan ,  Anxin Li ,  Xiangming Li ,  Hidetoshi Kayama

IPC分类号： H04W72/04

CPC分类号： H04W72/085 ,  H04W4/08 ,  H04W24/10 ,  H04W48/16

摘要： The present invention discloses a method and apparatus of physical resource allocation as well as a method of data receiving and a receiving end in a wireless communication system. The method of physical resource allocation includes: detecting a pilot signal sent by each user within a designated range; obtaining received power of the pilot signal sent by each user; scheduling each user within the designated range to obtain a user group including at least one user according to the received power; and allocating a same physical resource to each user of the user group. According to the method and the apparatus, it is possible to reuse a physical resource and sequentially decode data packets corresponding to users in a user group occupying the same physical resource according to the Capture Effect and interference cancellation technology, thereby improving the spectrum efficiency and throughput of uplink or downlink greatly.

摘要翻译： 本发明公开了一种物理资源分配的方法和装置，以及无线通信系统中的数据接收和接收端的方法。 物理资源分配方法包括：检测每个用户在指定范围内发送的导频信号; 获取每个用户发送的导频信号的接收功率; 在指定范围内调度每个用户以根据所接收的功率获得包括至少一个用户的用户组; 并向用户组的每个用户分配相同的物理资源。 根据该方法和装置，可以根据捕获效应和干扰消除技术重新使用物理资源并对占用相同物理资源的用户组中的用户对应的数据分组进行顺序解码，从而提高频谱效率和吞吐量 的上行链路或下行链路。