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1. 发明授权

US09306712B2 Method of scrambling signals, transmission point device and user equipment using the method 有权
标题翻译：使用该方法对信号，传输点设备和用户设备进行加扰的方法
公开(公告)号：US09306712B2
公开(公告)日：2016-04-05
申请号：US14115325
申请日：2011-09-29
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio
IPC分类号： H04L5/00 , H04L25/02
CPC分类号： H04W72/044 , H04L5/0016 , H04L5/0051 , H04L25/0226 , H04L27/2613 , H04W72/121
摘要： Method of scrambling signals, transmission point device and user equipment using the method are provided. The method is for scrambling signals assigned on predetermined radio resources of at least one layer of resource blocks with the same time and frequency resources, and comprises the steps of: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, the blind detection for the UE is enabled and the signaling overhead is reduced.
摘要翻译：提供了使用该方法加扰信号，传输点设备和用户设备的方法。该方法用于对具有相同时间和频率资源的至少一层资源块的预定无线电资源分配的信号进行加扰，包括以下步骤：通过较高层信令向用户设备发送ID表，ID表为整个ID空间的子集，并包含用户设备的可用ID; 通过物理层信令或UE特定的较高层信令通知用户设备将要使用的ID表中的ID; 基于通知的ID生成随机种子; 通过随机种子初始化加扰序列; 并用初始化的加扰序列对信号进行加扰。本发明的方法通过组合物理层信令和较高层信令，可以将所使用的组ID和盲检测空间通知给UE，使得UE能够进行盲检，信令开销降低。

2. 发明申请

US20130044580A1 ORTHOGONAL CODES BASED CODE DIVISION MULTIPLEXING METHOD, MULTIPLEXING DEVICE, AND DE-MULTIPLEXING DEVICE 有权
标题翻译：基于正交码的代码分割多路复用方法，多路复用器件和多路复用器件
公开(公告)号：US20130044580A1
公开(公告)日：2013-02-21
申请号：US13696052
申请日：2011-04-01
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04J13/10
CPC分类号： H04J13/004 , H04J13/0048 , H04J13/12 , H04J13/18 , H04L5/0007 , H04L5/0016 , H04L5/0026 , H04L5/0048 , H04L5/0051 , H04L5/0066 , H04L43/087
摘要： The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.
摘要翻译：本公开提供了一种基于正交码的码分复用方法，其通过使用正交矩阵来执行多层资源块中的解调参考信号的码分复用，所述方法包括：改变第一正交矩阵的特定行中的码片的顺序以获得具有改变的码片顺序的第二正交矩阵; 并将第二正交矩阵的各行中的码片乘以相应于时间方向的资源块的相应层中的解调参考信号，以获得码分复用信号。本公开的技术方案可以提高下行链路信号的功率抖动情况，从而可以提高基站侧的功率放大器的使用效率。

3. 发明授权

US09077471B2 Code division muliplexing method, transmitting device and receiving device using the method 有权
标题翻译：码分多路复用方法，发射装置和接收装置采用该方法
公开(公告)号：US09077471B2
公开(公告)日：2015-07-07
申请号：US13642336
申请日：2011-03-22
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04J13/00 , H04J13/10 , H04J13/14
CPC分类号： H04J13/0003 , H04J13/0055 , H04J13/0059 , H04J13/0062 , H04J13/0066 , H04J13/007 , H04J13/10 , H04J13/14
摘要： There are provided a code division multiplexing method as well as a transmitting device and a receiving device using the method. The method performs code division multiplexing of a plurality of signals by using a code matrix, the code matrix comprising a plurality of code words, the number of which is the same as the number of the plurality of signals, with each code word comprising a plurality of chips, the method comprising: multiplying each signal of the plurality of signals by each chip of a corresponding code word respectively; and calculating a sum of products of the respective chips in each code word and the corresponding signals to form a plurality of multiplexed signals, wherein, corresponding chips of the respective code words constitute multiple sets of chips, and only one term in differences or sums of any one set of chips and one set of chips among other sets of chips is not zero. The code division multiplexing method as well as the transmitting device and the receiving device according to the present disclosure can make the influence of the selectivity of channels when de-multiplexing is performed small, thus improving the channel transmission quality.
摘要翻译：提供码分复用方法以及使用该方法的发送装置和接收装置。该方法通过使用码矩阵来执行多个信号的码分复用，码矩阵包括多个码字，其数量与多个信号的数量相同，每个码字包括多个所述方法包括：分别将相应代码字的每个芯片分别乘以所述多个信号中的每个信号; 并计算每个码字中的各个码片的乘积和相应信号的乘积之和，以形成多个复用信号，其中相应码字的相应码片构成多组码片，并且只有一个项目的差值或其他芯片组中的任何一组芯片和一组芯片不为零。根据本公开的码分复用方法以及发送装置和接收装置可以在进行解复用时使通道的选择性受到影响，从而提高信道传输质量。

4. 发明申请

US20120115539A1 METHOD AND DEVICE FOR ADJUSTING TIMING ADVANCE IN UPLINK MULTIPLE POINTS RECEPTION 审中-公开
标题翻译：用于调整上行链路多点接收时序的方法和装置
公开(公告)号：US20120115539A1
公开(公告)日：2012-05-10
申请号：US13257181
申请日：2010-03-17
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio , Kenichi Miyoshi , Megumi Ichikawa
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio , Kenichi Miyoshi , Megumi Ichikawa
IPC分类号： H04W56/00 , H04W4/00
CPC分类号： H04W56/0045 , Y02D70/1262
摘要： A method and device for adjusting a timing advance in a communication system composed of a mobile terminal and multiple base stations is provided. The method includes steps: the multiple base stations measures channel latencies and powers of channel responses between the mobile terminal and the multiple base stations separately; the non-serving base station in the multiple base stations reports the channel latency and the power measured to a serving base station; and the serving base station determines the timing advance of the uplink of the mobile terminal according to the channel latency and the power received and the channel latency and the power which are measured by the serving base station itself, and informs the mobile base station of the timing advance. By using the method and the device, the useful power received by the uplink multi-base stations can be optimized, and the interference power can be effectively reduced.
摘要翻译：提供了一种用于调整由移动终端和多个基站组成的通信系统中的定时提前的方法和装置。该方法包括以下步骤：多个基站分别测量移动终端与多个基站之间的信道响应的信道延迟和功率; 多个基站中的非服务基站向服务基站报告信道延迟和测量的功率; 并且服务基站根据信道等待时间和接收的功率以及由服务基站本身测量的信道延迟和功率来确定移动终端的上行链路的定时提前，并且向移动基站通知时间提前。通过使用该方法和装置，可以优化上行链路多基站接收到的有用功率，并且能够有效地降低干扰功率。

5. 发明授权

US09049674B2 Wireless communication system and downlink receiving power detection method therefor 有权
标题翻译：无线通信系统及其下行接收功率检测方法
公开(公告)号：US09049674B2
公开(公告)日：2015-06-02
申请号：US13266292
申请日：2010-04-09
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04B7/005 , H04W52/34
CPC分类号： H04B7/0626 , H04L5/0051 , H04W52/343 , H04W72/0473
摘要： A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased.
摘要翻译：公开了一种用于检测系统中的下行链路接收功率的无线通信系统和方法。系统中的N个小区通过使用相同的时间 - 频率资源的N个资源块分别向至少一个接收终端发送数据; 在每个资源块中设置相应小区的多信道状态信息参考信号（CSI-RS），并且在所有小区的CSI-RS之间保持正交性，其中N是大于1的整数。所述方法包括：用于指示接收功率的附加解调参考信号（DM-RS）被设置在与另一个小区的资源块中的CSI-RS集相对应的第一小区的资源块中的删余位置; 并且根据所述附加DM-RS检测所述第一小区的接收功率。通过使用该方法，可以检测N个小区中的单个小区的接收功率，并且不增加系统开销。

6. 发明授权

US08837270B2 Orthogonal codes based code division multiplexing method, multiplexing device, and de-multiplexing device 有权
标题翻译：基于正交码的码分复用方法，复用装置和解复用装置
公开(公告)号：US08837270B2
公开(公告)日：2014-09-16
申请号：US13696052
申请日：2011-04-01
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04J11/00 , H04J13/12 , H04L5/00 , H04J13/00 , H04J13/18
CPC分类号： H04J13/004 , H04J13/0048 , H04J13/12 , H04J13/18 , H04L5/0007 , H04L5/0016 , H04L5/0026 , H04L5/0048 , H04L5/0051 , H04L5/0066 , H04L43/087
摘要： The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.
摘要翻译：本公开提供了一种基于正交码的码分复用方法，其通过使用正交矩阵来执行多层资源块中的解调参考信号的码分复用，所述方法包括：改变第一正交矩阵的特定行中的码片的顺序以获得具有改变的码片顺序的第二正交矩阵; 并将第二正交矩阵的各行中的码片乘以相应于时间方向的资源块的相应层中的解调参考信号，以获得码分复用信号。本公开的技术方案可以提高下行链路信号的功率抖动情况，从而可以提高基站侧的功率放大器的使用效率。

7. 发明申请

US20140071936A1 METHOD OF SCRAMBLING SIGNALS, TRANSMISSION POINT DEVICE AND USER EQUIPMENT USING THE METHOD 有权
标题翻译：使用该方法来消除信号的方法，传输点设备和用户设备
公开(公告)号：US20140071936A1
公开(公告)日：2014-03-13
申请号：US14115325
申请日：2011-09-29
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura , Akihiko Nishio
IPC分类号： H04L5/00
CPC分类号： H04W72/044 , H04L5/0016 , H04L5/0051 , H04L25/0226 , H04L27/2613 , H04W72/121
摘要： Method of scrambling signals, transmission point device and user equipment using the method are provided. The method is for scrambling signals assigned on predetermined radio resources of at least one layer of resource blocks with the same time and frequency resources, and comprises the steps of: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, the blind detection for the UE is enabled and the signaling overhead is reduced.
摘要翻译：提供了使用该方法加扰信号，传输点设备和用户设备的方法。该方法用于对具有相同时间和频率资源的至少一层资源块的预定无线电资源分配的信号进行加扰，包括以下步骤：通过较高层信令向用户设备发送ID表，ID表为整个ID空间的子集，并包含用户设备的可用ID; 通过物理层信令或UE特定的较高层信令通知用户设备将要使用的ID表中的ID; 基于通知的ID生成随机种子; 通过随机种子初始化加扰序列; 并用初始化的加扰序列对信号进行加扰。本发明的方法通过组合物理层信令和较高层信令，可以将所使用的组ID和盲检测空间通知给UE，使得UE能够进行盲检，信令开销降低。

8. 发明申请

US20130039162A1 CODE DIVISION MULIPLEXING METHOD, TRANSMITTING DEVICE AND RECEIVING DEVICE USING THE METHOD 有权
标题翻译：代码段复用方法，使用该方法的发送设备和接收设备
公开(公告)号：US20130039162A1
公开(公告)日：2013-02-14
申请号：US13642336
申请日：2011-03-22
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04J13/10
CPC分类号： H04J13/0003 , H04J13/0055 , H04J13/0059 , H04J13/0062 , H04J13/0066 , H04J13/007 , H04J13/10 , H04J13/14
摘要： There are provided a code division multiplexing method as well as a transmitting device and a receiving device using the method. The method performs code division multiplexing of a plurality of signals by using a code matrix, the code matrix comprising a plurality of code words, the number of which is the same as the number of the plurality of signals, with each code word comprising a plurality of chips, the method comprising: multiplying each signal of the plurality of signals by each chip of a corresponding code word respectively; and calculating a sum of products of the respective chips in each code word and the corresponding signals to form a plurality of multiplexed signals, wherein, corresponding chips of the respective code words constitute multiple sets of chips, and only one term in differences or sums of any one set of chips and one set of chips among other sets of chips is not zero. The code division multiplexing method as well as the transmitting device and the receiving device according to the present disclosure can make the influence of the selectivity of channels when de-multiplexing is performed small, thus improving the channel transmission quality.
摘要翻译：提供码分复用方法以及使用该方法的发送装置和接收装置。该方法通过使用码矩阵来执行多个信号的码分复用，码矩阵包括多个码字，其数量与多个信号的数量相同，每个码字包括多个所述方法包括：分别将相应代码字的每个芯片分别乘以所述多个信号中的每个信号; 并计算每个码字中的各个码片的乘积和相应信号的乘积之和，以形成多个复用信号，其中相应码字的相应码片构成多组码片，并且只有一个项目的差值或其他芯片组中的任何一组芯片和一组芯片不为零。根据本公开的码分复用方法以及发送装置和接收装置可以在进行解复用时使通道的选择性受到影响，从而提高信道传输质量。

9. 发明申请

US20120113842A1 WIRELESS COMMUNICATION SYSTEM AND DOWNLINK RECEIVING POWER DETECTION METHOD THEREFOR 有权
标题翻译：无线通信系统和下行链路接收功率检测方法
公开(公告)号：US20120113842A1
公开(公告)日：2012-05-10
申请号：US13266292
申请日：2010-04-09
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04W24/00
CPC分类号： H04B7/0626 , H04L5/0051 , H04W52/343 , H04W72/0473
摘要： A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased.
摘要翻译：公开了一种用于检测系统中的下行链路接收功率的无线通信系统和方法。系统中的N个小区通过使用相同的时间 - 频率资源的N个资源块分别向至少一个接收终端发送数据; 在每个资源块中设置相应小区的多信道状态信息参考信号（CSI-RS），并且在所有小区的CSI-RS之间维持正交性，其中N是大于1的整数。所述方法包括：用于指示接收功率的附加解调参考信号（DM-RS）被设置在与另一个小区的资源块中的CSI-RS集相对应的第一小区的资源块中的删余位置; 并且根据所述附加DM-RS检测所述第一小区的接收功率。通过使用该方法，可以检测N个小区中的单个小区的接收功率，并且不增加系统开销。

10. 发明授权

US08649347B2 Method and device for setting demodulation reference signals in wireless communication system 有权
标题翻译：在无线通信系统中设置解调参考信号的方法和装置
公开(公告)号：US08649347B2
公开(公告)日：2014-02-11
申请号：US13378134
申请日：2010-04-09
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04W4/00
CPC分类号： H04L5/0048 , H04L5/0035 , H04W72/00 , H04W72/04
摘要： Demodulation reference signals and data are transmitted to a receiving terminal through time/frequency resources of the radio communication system using a resource block as a base unit. The method includes arranging at least two orthogonal DM-RSs in two edge OFDM symbols for resource blocks of respective cells, a frequency offset existing between cells at positions of the orthogonal DM-RSs in the edge OFDM symbols, performing puncturing at positions corresponding to the orthogonal DM-RSs of the other cells in the edge OFDM symbols of the respective cells, arranging superimposing DM-RSs in the two edge OFDM symbols in a resource block of one cell and arranging the superimposing DM-RSs at positions corresponding to the resource blocks of the other cells, wherein positions of the superimposing DM-RSs are set between the positions of the orthogonal DM-RSs in the respective edge OFDM symbols.
摘要翻译：解调参考信号和数据通过使用资源块作为基本单元的无线电通信系统的时间/频率资源被发送到接收终端。该方法包括在两个边缘OFDM符号中为相应小区的资源块布置至少两个正交的DM-RS，频率偏移存在于边缘OFDM符号中的正交DM-RS的位置处的小区之间，在对应于在各个小区的边缘OFDM符号中的其他小区的正交DM-RS，将两个边缘OFDM符号中的DM-RS叠加在一个小区的资源块中，并将叠加的DM-RS布置在与资源块对应的位置其中叠加DM-RS的位置被设置在各边缘OFDM符号中的正交DM-RS的位置之间。

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