公开(公告)号：US20100290548A1

公开(公告)日：2010-11-18

申请号：US12809701

申请日：2008-10-23

Applicant: Masayuki Hoshino ,  Katsuhiko Hiramatsu ,  Kenichi Miyoshi

Inventor： Masayuki Hoshino ,  Katsuhiko Hiramatsu ,  Kenichi Miyoshi

IPC: H04K1/10

CPC classification number: H04B7/0452 ,  H04B7/0417 ,  H04B7/0426 ,  H04B7/0632 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0036 ,  H04W72/08

Abstract: When power scaling is applied to multi-user MIMO, a reduction in transmission rate is suppressed and transmission efficiency is improved. When signals are transmitted through spatial multiplexing from a wireless base station 11 to a plurality of pieces of user equipment 12 and 13, notification of a transmission parameter (MCS) of the distant user equipment (UE-B) 13 is provided as control information to the adjacent user equipment (UE-A) 12. The user equipment 12 calculates, based on the received control information, a reception quality (CQI) after cancellation of a signal serving as an interference signal and destined for the other user equipment 13, and feeds back the calculated result to the wireless base station 11. Based on this feedback, the wireless base station 11 sets a transmission parameter (MCS) of each piece of the user equipment 12 and 13 using the CQI after the cancellation, and transmits signals intended for respective users through spatial multiplexing after performing power distribution between the users by power scaling.

Abstract translation: 当对多用户MIMO进行功率缩放时，传输速率的降低被抑制并且传输效率提高。 当通过空中复用将信号从无线基站11发送到多个用户设备12和13时，提供远程用户设备（UE-B）13的传输参数（MCS）的通知作为控制信息 相邻用户设备（UE-A）12。用户设备12基于接收到的控制信息计算消除用作干扰信号并发往另一用户设备13的信号后的接收质量（CQI），以及 将计算结果反馈给无线基站11.基于该反馈，无线基站11在消除之后使用CQI来设置用户设备12和13的每一段的传输参数（MCS），并发送预期的信号 通过功率缩放在用户进行功率分配之后通过空间复用对各个用户进行。

公开(公告)号：US20100272212A1

公开(公告)日：2010-10-28

申请号：US12831926

申请日：2010-07-07

Applicant: Kenichi Miyoshi ,  Akihiko Nishio

Inventor： Kenichi Miyoshi ,  Akihiko Nishio

IPC: H04L27/28

CPC classification number: H04W52/325 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/006 ,  H04W52/04 ,  H04W52/48

Abstract: There is provided a multi-carrier transmission device capable of improving a packet error ratio in a system where transmission data is repeatedly multi-carrier-transmitted. In this device, the transmission data is subjected to error correction encoding in an error correction encoding unit (102), modulation in a modulation unit (104), and repetition in a repetition unit (106). A signal after the repetition (repetition bit) is two-dimensionally mapped in the frequency domain and the time domain according to a predetermined pattern in a mapping unit (108). The repetition bit transmission power is controlled so that the total value of the transmission power of repetition bit constituting one bit is identical to all the bits and the repetition bit of preferable reception quality has a large transmission power while the repetition bit of bad reception quality has a small transmission power.

Abstract translation: 提供了能够提高传输数据被重复多载波传输的系统中的分组错误率的多载波传输装置。 在该装置中，发送数据在纠错编码单元（102）中进行纠错编码，在调制单元（104）中进行调制，并在重复单元（106）中进行重复。 重复（重复位）之后的信号在映射单元（108）中根据预定模式在频域和时域中被二维地映射。 控制重复位发送功率，使得构成1比特的重复比特的发送功率的总和值与所有比特相同，并且优选接收质量的重复比特具有较大的发送功率，而接收质量差的重复比特具有 传输功率小。

公开(公告)号：US07821991B2

公开(公告)日：2010-10-26

申请号：US12278543

申请日：2007-02-09

Applicant: Takashi Iwai ,  Daichi Imamura ,  Kenichi Miyoshi ,  Sadaki Futagi ,  Atsushi Matsumoto ,  Tomofumi Takata

Inventor： Takashi Iwai ,  Daichi Imamura ,  Kenichi Miyoshi ,  Sadaki Futagi ,  Atsushi Matsumoto ,  Tomofumi Takata

IPC: H04W4/00

CPC classification number: H04J13/0055 ,  H04J13/0062 ,  H04J13/0066

Abstract: Provided are a radio transmission device and a radio transmission method, which prevent the deterioration of a preamble detecting performance while reducing the collision probability of a RACH. In this radio transmission device, a Signature table storage unit (103) divides the magnitudes of transmission loss levels into individual levels corresponding to the distances from a base station, to cause CAZAC series and circulation shift quantities to correspond to each other at the individual levels, and is provided with a table containing a plurality of Signatures created from the CAZAC series and the circulation shift quantities caused to correspond to each other. A Signature selecting unit (104) selects one of the corresponding Signatures at random from the Signature table storage unit (103), on the basis of the magnitude of the transmission loss level outputted from a transmission loss level deciding unit (102). A RACH signal generating unit (105) generates the RACH signal with the Signature selected.

Abstract translation: 提供一种无线传输装置和无线传输方法，其防止前导码检测性能的劣化，同时降低RACH的冲突概率。 在该无线发送装置中，签名表存储部（103）将传输损耗级别的大小划分为与基站的距离对应的各个级别，使得CAZAC序列和循环移位量在各个级别彼此对应 并且设置有包含从CAZAC系列创建的多个签名和导致彼此对应的循环移位量的表。 签名选择单元（104）根据从传输损失等级决定单元（102）输出的传输损耗电平的大小，从签名表存储单元（103）中随机选择一个对应的签名。 RACH信号生成单元（105）在选择了签名的情况下生成RACH信号。

公开(公告)号：US07817729B2

公开(公告)日：2010-10-19

申请号：US10559472

申请日：2004-06-09

Applicant: Kenichi Miyoshi ,  Jun Cheng

Inventor： Kenichi Miyoshi ,  Jun Cheng

IPC: H04K1/10

CPC classification number: H04L1/0059 ,  H04L1/0006 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0041 ,  H04L1/0066 ,  H04L27/2602

Abstract: A multicarrier communication method and a multicarrier communication apparatus used for the method for adjusting the arrangement in code block units according to the actual reception state of the multicarrier signal, when arranging code blocks generated through error correcting coding processing not only in the time axis direction but also in the frequency axis direction in order to improve an error correction rate of a multicarrier signal.

Abstract translation: 一种多载波通信方法和多载波通信装置，用于根据多载波信号的实际接收状态调整码块单元中的配置的方法，当通过纠错编码处理生成的代码块不仅在时间轴方向上而是 也可以在频率轴方向上，以提高多载波信号的纠错率。

公开(公告)号：US20100248613A1

公开(公告)日：2010-09-30

申请号：US12675751

申请日：2008-09-05

Applicant: Kenichi Miyoshi ,  Hidetoshi Suzuki ,  Takashi Aramaki ,  Yuichi Kobayakawa ,  Katsuhiko Hiramatsu

Inventor： Kenichi Miyoshi ,  Hidetoshi Suzuki ,  Takashi Aramaki ,  Yuichi Kobayakawa ,  Katsuhiko Hiramatsu

IPC: H04B3/36

CPC classification number: H04W88/04

Abstract: A wireless communication device, e.g., a mobile station, capable of performing its communication and relay processing for another mobile station, when requested, at the same time without stopping the communication and the relay processing. In the device, an outgoing/incoming call request detection unit (106) detects an outgoing/incoming call request indicating that an outgoing call of the signal of the mobile station or an incoming call is requested from a signal inputted from an upper-layer processing unit (105). A relay request detection unit (108) detects a relay request signal indicating that an MS1 requests an MS2 for relay to a base station from a demodulated relay signal inputted from a relay signal demodulation unit (107). A communication rate determination unit (109) determines the communication rate so as to simultaneously transmit both the signal of the mobile station and the relay signal when a signal indicating that an outgoing/incoming call request is detected is inputted from the outgoing/incoming call request detection unit (106) or a signal indicating that a relay request signal is detected is inputted from the relay request detection unit (108).

Abstract translation: 无线通信装置，例如移动台，能够在不停止通信和中继处理的情况下同时请求时对其他移动台进行通信和中继处理。 在该设备中，呼出/呼入呼叫请求检测单元（106）从上层处理中输入的信号中检测出呼出/呼入呼叫请求，该呼出/呼入呼叫请求指示呼叫移动台的信号或来电呼叫 单元（105）。 中继请求检测单元（108）根据从中继信号解调单元（107）输入的解调后的中继信号，检测指示MS1向基站请求中继的MS2的中继请求信号。 通信速率确定单元（109）确定通信速率，以便当从输入/输入呼叫请求输入指示检测到呼出/呼入呼叫请求的信号时，同时发送移动台的信号和中继信号两者 检测单元（106）或指示检测到中继请求信号的信号从中继请求检测单元（108）输入。

公开(公告)号：US07782965B2

公开(公告)日：2010-08-24

申请号：US11632224

申请日：2005-07-04

Applicant: Kenichi Miyoshi

Inventor： Kenichi Miyoshi

IPC: H04L27/28

CPC classification number: H04L27/2614 ,  H04L1/0056

Abstract: There is provided a radio transmission device capable of improving the system throughput in multi-carrier communication. The device includes IQ separation units (20-1 to 20-K) for separating an I channel and a Q channel from the inputted symbol and inputting them into control units (22). The control units (22-1 to 22-K) reduce the power of the parity bit by reducing the amplitude of the channel corresponding to the parity bit among the I channel and Q channel inputted. IQ multiplexing units (24-1 to 24-K) multiplex the I channel and Q channel inputted from the control units (22-1 to 22-K) and return them to a symbol, which is inputted to an IFFT unit (26). The IFFT unit (26) subjects the symbol inputted from the IQ multiplexing units (24-1 to 24-K) to inverse fast Fourier transform (IFFT) and maps it to respective sub-carriers f1 to fK, thereby generating an OFDM symbol.

Abstract translation: 提供能够提高多载波通信中的系统吞吐量的无线传输装置。 该装置包括用于从输入符号分离I信道和Q信道的IQ分离单元（20-1至20-K），并将其输入到控制单元（22）中。 控制单元（22-1至22-K）通过减少与输入的I信道和Q信道中的奇偶校验位相对应的信道的幅度来减小奇偶校验位的功率。 IQ复用单元（24-1至24-K）对从控制单元（22-1至22-K）输入的I通道和Q通道进行复用，并将其返回到输入到IFFT单元（26）的符号， 。 IFFT单元（26）对从IQ多路复用单元（24-1至24-K）输入的符号进行快速傅里叶逆变换（IFFT），并将其映射到各个子载波f1至fK，从而生成OFDM符号。

公开(公告)号：US07782896B2

公开(公告)日：2010-08-24

申请号：US12063843

申请日：2006-08-18

Applicant: Kenichi Kuri ,  Akihiko Nishio ,  Daichi Imamura ,  Kenichi Miyoshi ,  Takashi Aramaki ,  Katsuhiko Hiramatsu

Inventor： Kenichi Kuri ,  Akihiko Nishio ,  Daichi Imamura ,  Kenichi Miyoshi ,  Takashi Aramaki ,  Katsuhiko Hiramatsu

IPC: H04J3/16

CPC classification number: H04L27/2602 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/08 ,  H04L1/1812

Abstract: Provided is a wireless communication apparatus by which the maximum throughput can be obtained while satisfying required reception qualities in multicarrier communication. In the apparatus, a coding section (101) performs error correction coding to all of the plurality of resource blocks at a same coding rate, modulating sections (103-1 to 103-n) generate data symbols by modulating coding data for each of the resource blocks (1 to n), and repetition sections (104-1 to 104-n) repeat the data symbols inputted from the modulation section (103) for each of the resource blocks (1 to n) to generate a plurality of same data symbols. Namely, while the coding rate is same in all of the resource blocks, modulation system and the number of repetitions differ by resource block.

Abstract translation: 提供一种在多载波通信中满足所需接收质量的同时能够获得最大吞吐量的无线通信装置。 在该装置中，编码部（101）以相同的编码率对所有多个资源块进行纠错编码，调制部（103-1〜103-n）通过调制编码数据 资源块（1〜n）和重复部分（104-1〜104-n）对于每个资源块（1〜n）重复从调制部（103）输入的数据符号，生成多个相同的数据 符号。 也就是说，尽管编码率在所有资源块中相同，但调制系统和重复次数因资源块而不同。

公开(公告)号：US07778369B2

公开(公告)日：2010-08-17

申请号：US11631503

申请日：2005-05-24

Applicant: Kenichi Miyoshi ,  Akihiko Nishio

Inventor： Kenichi Miyoshi ,  Akihiko Nishio

IPC: H04K1/10 ,  H04L27/04

CPC classification number: H04W52/325 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/006 ,  H04W52/04 ,  H04W52/48

Abstract: There is provided a multi-carrier transmission device capable of improving a packet error ratio in a system where transmission data is repeatedly multi-carrier-transmitted. In this device, the transmission data is subjected to error correction encoding in an error correction encoding unit (102), modulation in a modulation unit (104), and repetition in a repetition unit (106). A signal after the repetition (repetition bit) is two-dimensionally mapped in the frequency domain and the time domain according to a predetermined pattern in a mapping unit (108). The repetition bit transmission power is controlled so that the total value of the transmission power of repetition bit constituting one bit is identical to all the bits and the repetition bit of preferable reception quality has a large transmission power while the repetition bit of bad reception quality has a small transmission power.

Abstract translation: 提供了能够提高传输数据被重复多载波传输的系统中的分组错误率的多载波传输装置。 在该装置中，发送数据在纠错编码单元（102）中进行纠错编码，在调制单元（104）中进行调制，并在重复单元（106）中进行重复。 重复（重复位）之后的信号在映射单元（108）中根据预定模式在频域和时域中被二维地映射。 控制重复位发送功率，使得构成1比特的重复比特的发送功率的总和值与所有比特相同，并且优选接收质量的重复比特具有较大的发送功率，而接收质量差的重复比特具有 传输功率小。

公开(公告)号：US07760813B2

公开(公告)日：2010-07-20

申请号：US12061599

申请日：2008-04-02

Applicant: Kenichi Miyoshi

Inventor： Kenichi Miyoshi

IPC: H04K1/10 ,  H04L27/28

CPC classification number: H04L5/0053 ,  H04L27/2647

Abstract: By assigning a plurality of subcarriers 31 to a data channel 33 and assigning fewer subcarriers 32 than the plurality of subcarriers 31 to a control channel 34, and in addition locating the control channel 34 at the center frequency fc of a frequency band used to transmit the data channel 33, on the radio receiving apparatus side, the frequencies of a local signal by which the received signal is multiplied share the same value, thereby speeding up the switching between the control channel and the data channel.

Abstract translation: 通过将多个副载波31分配给数据信道33，并将多个子载波32分配给多个副载波31，并将其分配给控制信道34，此外，将控制信道34定位在用于发送的频带的中心频率fc 在无线电接收装置侧的数据信道33中，接收信号被乘以的本地信号的频率共享相同的值，从而加速控制信道与数据信道之间的切换。

公开(公告)号：US07760811B2

公开(公告)日：2010-07-20

申请号：US11573072

申请日：2005-07-04

Applicant: Kenichi Miyoshi ,  Akihiko Nishio

Inventor： Kenichi Miyoshi ,  Akihiko Nishio

IPC: H04K1/10 ,  H04J11/00

CPC classification number: H04W52/223 ,  H04L27/2614 ,  H04L27/2636 ,  H04L27/2647 ,  H04L27/368 ,  H04W52/42

Abstract: A radio transmission device capable of improving the reception error rate characteristics of a receiver. In this device, an FFT (Fast Fourier Transform) unit (102) subjects a transmission signal to an FFT operation, in which a signal in a time domain is converted into a signal in a frequency domain. A control unit (103) controls the transmission power of the FFT-operated transmission signal in the frequency domain. An IFFT (Inverse Fast Fourier Transform) unit (104) subjects the transmission signal having its transmission power controlled, to an IFFT operation, in which an inverse conversion is made into a signal in the time domain. A transmission RF unit (106) transmits the IFFT-operated transmission signal on a single carrier.

Abstract translation: 一种能够提高接收机的接收错误率特性的无线发送装置。 在该装置中，FFT（快速傅里叶变换）单元（102）对传输信号进行FFT操作，其中时域中的信号被转换成频域中的信号。 控制单元（103）控制频域中的FFT操作的发送信号的发送功率。 IFFT（逆快速傅立叶变换）单元（104）将其发送功率受控的发送信号进行IFFT操作，其中在时域中进行逆变换。 发送RF单元（106）在单个载波上发送IFFT操作的发送信号。