公开(公告)号：US09240873B2

公开(公告)日：2016-01-19

申请号：US14334499

申请日：2014-07-17

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Seigo Nakao ,  Akihiko Nishio ,  Daichi Imamura ,  Takahisa Aoyama

IPC: H04J3/16 ,  H04L5/00 ,  H04W28/06 ,  H04L1/00 ,  H04W72/04

CPC classification number: H04W72/042 ,  H04L1/004 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/003 ,  H04L5/0046 ,  H04L5/0053 ,  H04L5/0094 ,  H04W28/06 ,  H04W72/0453

Abstract: Provided are a radio terminal device, a radio base station device, and a channel signal forming method which can prevent quality degradation of the downlink source allocation information by reducing the frequency of the zero information addition process to the downlink resource allocation information when executing communication using an uplink unit band and a plurality of downlink unit bands correlated to the uplink unit band. A base station can execute communication using the uplink unit band and a plurality of downlink unit bands correlated to the uplink unit band. The base station includes: a PDCCH generation unit which includes the uplink allocation information relating to the uplink unit band only in some of the channel signals formed for each of the downlink unit bands; and a padding unit which adds zero information to the downlink allocation information only in the selected some channel signals having the bandwidth of the corresponding downlink unit band smaller than that of the uplink unit band until the downlink allocation information size becomes equal to the uplink allocation information size.

Abstract translation: 提供一种无线电终端设备，无线电基站设备和信道信号形成方法，其可以通过在执行通信时将下行链路资源分配信息的零信息添加处理的频率降低来防止下行链路源分配信息的质量劣化 上行链路单位频带和与上行单位频带相关联的多个下行链路单位频带。 基站可以使用与上行链路单位频带相关联的上行链路单位频带和多个下行链路单位频带来执行通信。 基站包括：PDCCH生成单元，其仅在针对每个下行链路单位频带形成的一些信道信号中包括与上行链路单位频带有关的上行链路分配信息; 以及填充单元，其仅在所选择的一些信道信号中将下行链路分配信息添加到下行链路单位频带的带宽，直到下行链路分配信息大小变得等于上行链路分配信息为止 尺寸。

公开(公告)号：US09236900B2

公开(公告)日：2016-01-12

申请号：US13685437

申请日：2012-11-26

Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

Inventor： Takashi Iwai ,  Daichi Imamura ,  Sadaki Futagi ,  Yoshihiko Ogawa ,  Tomofumi Takata ,  Atsushi Matsumoto

IPC: H04B1/692 ,  H04J13/00 ,  H04J13/14

CPC classification number: H04B1/692 ,  H04J13/0048 ,  H04J13/0059 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/14

Abstract: Disclosed are a radio transmission device and a radio transmission method which can reduce a processing amount or a memory amount while maintaining the randomizing effect of other cell interference. When using as a reference signal, a ZC sequence of the sequence length uniquely correlated to a transmission bandwidth of a reference signal, as the transmission bandwidth becomes smaller and the sequence length of the ZC sequence becomes shorter, the sequence is switched at a shorter time interval and as the transmission bandwidth becomes greater and the sequence length of the ZC sequence becomes longer, the switching is performed at a longer time interval. Thus, a reference signal is generated by using the ZC sequence in accordance with the timing into which the reference signal transmission bandwidth and the sequence are switched.

Abstract translation: 公开了一种在保持其他小区干扰的随机化效果的同时可以减少处理量或存储量的无线传输装置和无线传输方法。 当使用参考信号时，随着发送带宽变小并且ZC序列的序列长度变短，与参考信号的传输带宽唯一相关的序列长度的ZC序列变短，所以在更短的时间内切换序列 间隔，并且随着传输带宽变大并且ZC序列的序列长度变长，则以更长的时间间隔进行切换。 因此，根据参考信号传输带宽和序列被切换到的定时，通过使用ZC序列来生成参考信号。

公开(公告)号：US09219586B2

公开(公告)日：2015-12-22

申请号：US13654280

申请日：2012-10-17

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Atsushi Matsumoto ,  Daichi Imamura ,  Takashi Iwai ,  Yoshihiko Ogawa ,  Tomofumi Takata ,  Katsuhiko Hiramatsu

IPC: H04B3/10 ,  H04L5/00 ,  H04L27/26 ,  H04J11/00

CPC classification number: H04L5/0057 ,  H04J11/0023 ,  H04L5/001 ,  H04L5/0012 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0051 ,  H04L5/0062 ,  H04L27/2657 ,  H04L27/2662 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/085 ,  H04W72/1268 ,  H04W84/042

Abstract: Provided is a radio communication device which can prevent interference between SRS and PUCCH when the PUCCH transmission bandwidth fluctuates and suppress degradation of CQI estimation accuracy by the band where no SRS is transmitted. The device includes: an SRS code generation unit (201) which generates an SRS (Sounding Reference Signal) for measuring uplink line data channel quality; an SRS arrangement unit (202) which frequency-multiplexes the SRS on the SR transmission band and arranges it; and an SRS arrangement control unit (208) which controls SRS frequency multiplex so as to be uniform in frequency without modifying the bandwidth of one SRS multiplex unit in accordance with the fluctuation of the reference signal transmission bandwidth according to the SRS arrangement information transmitted from the base station and furthermore controls the transmission interval of the frequency-multiplexed SRS.

Abstract translation: 提供一种当PUCCH传输带宽波动时能够防止SRS与PUCCH之间的干扰的无线通信装置，并且通过不发送SRS的频带来抑制CQI估计精度的劣化。 该装置包括：SRS代码生成单元，生成用于测量上行线路数据信道质量的SRS（探测参考信号）; 在SR传输频带上对SRS进行频率复用并布置的SRS布置单元（202）; 以及SRS配置控制单元（208），其根据从所述SRS配置信息发送的SRS配置信息，根据所述参考信号传输带宽的波动来调整SRS频率复用以使其频率均匀，而不修改一个SRS多路复用单元的带宽 并且进一步控制频率复用SRS的发送间隔。

公开(公告)号：US20150365213A1

公开(公告)日：2015-12-17

申请号：US14834048

申请日：2015-08-24

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Akihiko Nishio ,  Daichi Imamura

IPC: H04L5/00

CPC classification number: H04W72/0413 ,  H04B1/713 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0029 ,  H04L1/0072 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0091 ,  H04W72/0406 ,  H04W72/042

Abstract: Provided are a communication device and an SRS transmission method capable of reducing the possibility of a difference in recognition between the presence or absence of an SRS transmission between a base station and a terminal or of an SRS resource so as to prevent degradation of system throughput. At a terminal (200), a reception processing unit (203) detects control information indicating whether or not to request transmission of a sounding reference signal (SRS), whereupon a transmission signal forming unit (207) transmits an A-SRS by way of control by a transmission control unit (206) on the basis of control information. The transmission control unit (206) determines whether or not to execute SRS transmission on the basis of an “SRS Transmission Execution Rule” and the reception status of trigger information.

Abstract translation: 提供了能够降低在基站与终端或SRS资源之间存在或不存在SRS传输之间的识别差异的通信装置和SRS传输方法，以防止系统吞吐量的劣化。 在终端（200），接收处理单元（203）检测指示是否请求发送探测参考信号（SRS）的控制信息，传输信号形成单元（207）通过以下方式发送A-SRS： 基于控制信息由传输控制单元（206）进行控制。 发送控制部（206）根据“SRS发送执行规则”和触发信息的接收状态，判断是否执行SRS发送。

公开(公告)号：US20150289239A1

公开(公告)日：2015-10-08

申请号：US14698014

申请日：2015-04-28

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Yoshiko Saito ,  Ayako Horiuchi ,  Seigo Nakao ,  Akihiko Nishio ,  Daichi Imamura ,  Alexander Golitschek Edler Von Elbwart ,  Sujuan Feng

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04J11/0079 ,  H04L5/001 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0094

Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.

Abstract translation: 通信装置具有接收机和解码器。 接收机接收包括第一下行链路控制信息和第二下行链路控制信息的控制信号，并且接收解码区域信息，该解码区域信息指示是否应为多个终端设备中的每一个解码扩展物理下行链路控制信道（PDCCH）。 解码器对PDCCH区域中的多个第一映射候选中的每一个进行解码，或解码PDCCH区域中的多个第一映射候选中的每一个，以及扩展PDCCH中的多个第二映射候选中的每一个。 包括在用户特定搜索空间中的多个第二映射候选者等于或大于包含在公共搜索空间中的第一映射候选的数量。

公开(公告)号：US09136999B2

公开(公告)日：2015-09-15

申请号：US14504343

申请日：2014-10-01

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Seigo Nakao ,  Daichi Imamura

IPC: H04B1/00 ,  H04L5/00 ,  H04J13/00 ,  H04J13/22 ,  H04L1/18 ,  H04L25/03 ,  H04L27/26 ,  H04W72/04 ,  H04L1/00 ,  H04L1/12

CPC classification number: H04L1/1893 ,  H04J13/0003 ,  H04J13/0059 ,  H04J13/0074 ,  H04J13/22 ,  H04L1/0061 ,  H04L1/1825 ,  H04L1/1854 ,  H04L1/1861 ,  H04L1/1896 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/006 ,  H04L5/0091 ,  H04L25/03866 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2626 ,  H04L2001/125 ,  H04W72/0406 ,  H04W72/0413 ,  H04W72/042

Abstract: Provided is a radio communication device which can make Acknowledgement (ACK) reception quality and Negative Acknowledgement (NACK) reception quality to be equal to each other. The device includes: a scrambling unit (214) which multiplies a response signal after modulated, by a scrambling code “1” or “e−j(π/2)” so as to rotate a constellation for each of response signals on a cyclic shift axis; a spread unit (215) which performs a primary spread of the response signal by using a Zero Auto Correlation (ZAC) sequence set by a control unit (209); and a spread unit (218) which performs a secondary spread of the response signal after subjected to the primary spread, by using a block-wise spread code sequence set by the control unit (209).

公开(公告)号：US09136926B2

公开(公告)日：2015-09-15

申请号：US14575298

申请日：2014-12-18

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Qian Yu ,  Lei Huang ,  Masayuki Hoshino ,  Daichi Imamura

IPC: H04B7/04 ,  H04B7/06 ,  H04B7/10 ,  H04L25/03 ,  H04B7/00 ,  H04L25/02

CPC classification number: H04B7/0456 ,  H04B7/002 ,  H04B7/0413 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/0634 ,  H04B7/0639 ,  H04B7/0691 ,  H04B7/10 ,  H04L25/0224 ,  H04L25/0248 ,  H04L25/03898 ,  H04L25/03961 ,  H04L2025/03808

Abstract: In a MIMO system using a cross-polarized antenna structure, even if no ideal XPD can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a MIMO communication is performed between a transmitter and a receiver each using a cross-polarized antenna structure, a channel estimating and precoding selection section of the receiver performs a channel estimation of MIMO channels from the transmitter to the receiver, decides a precoding matrix of a projection matrix for mutually orthogonalizing or substantially orthogonalizing the channel response matrixes for respective different polarized waves, and feeds the determined precoding matrix back to the transmitter. In the transmitter, a precoding processing section applies the precoding matrix to the spatial stream corresponding to one of the polarized waves to perform a precoding, thereby allowing the transmitter to transmit the polarized waves with the orthogonality therebetween maintained.

Abstract translation: 在使用交叉极化天线结构的MIMO系统中，即使不能获得理想的XPD，也可以减小不同极化波之间的干扰，从而实现有效的预编码。 当在使用交叉极化天线结构的发射机和接收机之间进行MIMO通信时，接收机的信道估计和预编码选择部分执行从发射机到接收机的MIMO信道的信道估计，确定预编码矩阵 用于相互正交化或基本正交化用于各个不同极化波的信道响应矩阵的投影矩阵，并将所确定的预编码矩阵馈送给发射机。 在发射机中，预编码处理部分将预编码矩阵应用于与一个极化波相对应的空间流，以执行预编码，从而允许发射机以保持它们之间的正交性的方式发送极化波。

公开(公告)号：US09094997B2

公开(公告)日：2015-07-28

申请号：US14140750

申请日：2013-12-26

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Atsushi Sumasu ,  Shozo Okasaka ,  Shinsuke Takaoka ,  Seigo Nakao ,  Daichi Imamura

IPC: H04W72/00 ,  H04W72/12 ,  H04L5/00

CPC classification number: H04W72/1284 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0091 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/044 ,  H04W72/1268 ,  H04W72/1273 ,  H04W72/1289 ,  H04W88/02 ,  H04W88/08

Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.

Abstract translation: 能够使LTE移动台向后兼容的基站，同时使独立的上行链路/下行链路小区数据传输中的上行链路调度信息接收和解调/解码处理的增加量最小化。 无线通信系统包括小区＃1，小区＃2和LTE-A移动台，并且支持独立的上行链路/下行链路小区数据传输。 小区＃2的基站在小区的基站的下行链路连接中的下行链路数据区域中配置PDCCH +，其包括来自LTE-A移动站的上行链路调度信息到小区＃2的基站 ＃1。

公开(公告)号：US09094171B2

公开(公告)日：2015-07-28

申请号：US14570678

申请日：2014-12-15

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Seigo Nakao ,  Daichi Imamura

IPC: H04W72/04 ,  H04W84/12 ,  H04L5/00 ,  H04J3/16

CPC classification number: H04L5/0055 ,  H04J3/16 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0094

Abstract: This invention relates to a terminal apparatus that can possibly reduce situations in which upstream channel data are punctured by a plurality of response signals. When having received at least one piece of downstream allocation control information corresponding to a second downstream unit band, which is other than a first downstream unit band, of a plurality of unit bands, a control unit (208) maps a plurality of response signals, which are corresponding to the respective ones of the plurality of downstream unit bands established, to a first resource corresponding to the plurality of downstream unit bands established. When having received only the downstream allocation control information corresponding to the first downstream unit band of the plurality of unit bands established, the control unit (208) maps the response signal, which is corresponding to the first downstream unit band, to a second resource corresponding to the first downstream unit band.

Abstract translation: 本发明涉及一种能够减少多个响应信号对上游信道数据进行穿孔的情况的终端装置。 当接收到多个单位频带中不同于第一下行单位频带的第二下行单位频带的至少一条下游分配控制信息时，控制单元（208）映射多个响应信号， 对应于建立的多个下游单位频带中的各个下行单位频带中的各个对应于建立的多个下游单位频带的第一资源。 当仅接收到与所建立的多个单位频带中的第一下游单位频带相对应的下行分配控制信息时，控制单元（208）将与第一下游单位频带相对应的响应信号映射到相应的第二资源对应 到第一个下游单位频带。

公开(公告)号：US20150189656A1

公开(公告)日：2015-07-02

申请号：US14658083

申请日：2015-03-13

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Takashi Iwai ,  Daichi Imamura ,  Akihiko Nishio ,  Yoshihiko Ogawa ,  Shinsuke Takaoka

IPC: H04W72/04

CPC classification number: H04W72/0406 ,  H04L5/00 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/0094 ,  H04W28/06 ,  H04W72/042 ,  H04W72/0453

Abstract: Provided are a radio transmission apparatus and a radio transmission method whereby the increase of number of signaling bits can be suppressed and further the flexibility of frequency scheduling can be improved. A notified RBG calculating unit (203) that adds a predetermined offset value of “1” or “−1” to one of the start RBG number and the end RBG number of allocated RBG number information (b′i) output by a scheduling unit (201), thereby calculating notified RBG number information (bi). An RBG total number setting unit (204) calculates the total number of RBGs, which is to be notified, by adding “1” to the total number of allocated RBGs. A notified information generating unit (205) applies the notified RBG number information (bi) and the notified total number of RBGs (Nrb′) to a predetermined formula, thereby generating and transmitting, to terminals, notified information (r).

Abstract translation: 提供一种能够抑制信令比特数的增加的无线发送装置和无线发送方法，能够提高频率调度的灵活性。 通知RBG计算单元（203），其将预定的偏移值“1”或“-1”添加到由调度单元输出的所分配的RBG号码信息（b'i）的起始RBG号码和结束RBG号码之一 （201），从而计算通知的RBG号码信息（bi）。 RBG总数设定部（204）通过在分配的RBG的总数中加上“1”来计算要通知的RBG的总数。 通知信息生成单元（205）将所通知的RBG号码信息（bi）和所通知的RBG（Nrb'）的总数应用于规定的公式，从而生成并向终端发送通知信息（r）。