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公开(公告)号：US09019920B2
公开(公告)日：2015-04-28
申请号：US13750681
申请日：2013-01-25
Inventor： Kenichi Kuri , Akihiko Nishio , Masaru Fukuoka , Kenichi Miyoshi
IPC: H04B7/216 , H04W4/00 , G08C17/00 , H04B7/06 , H04L5/00 , H04W72/04 , H04L25/02 , H04W28/06 , H04W48/08 , H04W88/08
CPC classification number: H04W72/0406 , H04B7/0619 , H04B7/12 , H04L5/0007 , H04L5/0037 , H04L5/0053 , H04L5/006 , H04L5/0071 , H04L5/0094 , H04L25/0228 , H04W28/06 , H04W48/08 , H04W72/042 , H04W72/0453 , H04W88/08
Abstract: Provided is a base station capable of suppressing increase of overhead of allocation result report in frequency scheduling in multi-carrier communication and obtaining a sufficient frequency diversity effect. In the base station, encoding units (101-1 to 101-n) encode data (#1 to #n) to mobile stations (#1 to #n), modulation units (102-1 to 102-n) modulate the encoded data so as to generate a data symbol, a scheduler (103) performs frequency scheduling according to a CQI from each mobile station so as to uniformly allocate data to the respective mobile stations for a part of RB extracted from a plurality of RB, and an SCCH generation unit (105) generates control information (SCCH information) to report the allocation result in the scheduler (103) to the respective mobile stations.
Abstract translation: 提供一种能够抑制多载波通信中的频率调度中的分配结果报告的开销增加并获得足够的频率分集效应的基站。 在基站中，编码单元（101-1〜101-n）对移动台（＃1〜＃n）的数据（＃1〜＃n）进行编码，调制部（102-1〜102-n） 数据，以便生成数据符号，调度器（103）根据来自每个移动台的CQI执行频率调度，以便将从多个RB提取的一部分RB的各个移动站均匀地分配数据，以及 SCCH生成单元（105）生成控制信息（SCCH信息），将调度器（103）中的分配结果报告给各移动站。
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公开(公告)号：US08982990B2
公开(公告)日：2015-03-17
申请号：US14326133
申请日：2014-07-08
Inventor： Kenichi Miyoshi , Hidetoshi Suzuki , Katsuhiko Hiramatsu , Christian Wengerter , Alexander Golitschek Edler Von Elbwart
CPC classification number: H04B1/40 , H04B15/00 , H04L1/0042 , H04L5/0046 , H04L25/0202 , H04L25/0212 , H04L25/0224 , H04L27/04 , H04L27/18 , H04L27/183 , H04L27/34 , H04L27/36 , H04L27/38
Abstract: Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into or ‘0’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
Abstract translation: 即使当具有大的调制多值的调制系统用于数据符号时，其中在保持帧中的每个位的位置的同时改善了信道估计精度的无线通信。 编码操作编码并输出发送数据（比特串），并且比特转换操作将构成要用于信道估计的数据符号的多个比特的至少一个比特在编码比特串中转换为“1”或“ 0'。 调制操作通过使用单个调制映射器来调制从比特转换操作输入的比特串，并且生成多个数据符号。
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公开(公告)号：US09680683B2
公开(公告)日：2017-06-13
申请号：US14192085
申请日：2014-02-27
Inventor： Kenichi Miyoshi , Akihiko Nishio , Takashi Iwai , Sadaki Futagi , Katsuhiko Hiramatsu , Daichi Imamura , Takashi Aramaki
CPC classification number: H04L27/2666 , H04L25/03159 , H04L27/2607 , H04L27/2646 , H04L27/2647 , H04L27/2662
Abstract: A radio receiver apparatus that can effectively utilize GI to improve the reception quality. In this apparatus, a data extracting part extracts a data portion of a direct wave from a signal subjected to a radio reception process by a received RF part. A GI extracting part extracts, from the signal subjected to the radio reception process by the received RF part, GI having a length determined by an extracted GI length deciding part. The extracted GI is adjusted by a data position adjusting part such that its rear end coincides with the read end of the extracted data portion. A combining part combines the extracted data portion with the GI the data position of which has been adjusted. The combined signal is then supplied to a frequency axis equalizing part, which equalizes the signal distortions of the combined signal on the frequency axis.
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公开(公告)号：US09363053B2
公开(公告)日：2016-06-07
申请号：US14834909
申请日：2015-08-25
Inventor： Kenichi Miyoshi , Hidetoshi Suzuki , Katsuhiko Hiramatsu , Christian Wengerter , Alexander Golitschek Edler Von Elbwart
CPC classification number: H04B1/40 , H04B15/00 , H04L1/0042 , H04L5/0046 , H04L25/0202 , H04L25/0212 , H04L25/0224 , H04L27/04 , H04L27/18 , H04L27/183 , H04L27/34 , H04L27/36 , H04L27/38
Abstract: Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into ‘1’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
Abstract translation: 即使当具有大的调制多值的调制系统用于数据符号时，其中在保持帧中的每个位的位置的同时改善了信道估计精度的无线通信。 编码操作编码并输出发送数据（比特串），并且比特转换操作将构成要用于信道估计的数据符号的多个比特的至少一个比特在编码比特串中转换为“1”或“ 0'。 调制操作通过使用单个调制映射器来调制从比特转换操作输入的比特串，并且生成多个数据符号。
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公开(公告)号：US20160135190A1
公开(公告)日：2016-05-12
申请号：US14979109
申请日：2015-12-22
Inventor： Shinsuke Takaoka , Masayuki Hoshino , Kenichi Miyoshi
IPC: H04W72/04
CPC classification number: H04W72/0453 , G06F17/141 , H04J1/00 , H04J4/005 , H04J11/00 , H04L5/0041 , H04L27/2602 , H04L27/2628 , H04L27/2636 , H04W88/08 , Y10S370/916
Abstract: Provided is a radio communication device which can reduce ISI caused by destruction of an orthogonal DFT matrix even when an SC-FDMA signal is divided into a plurality of clusters and the clusters are respectively mapped to discontinuous frequency bands. The radio communication device includes a DFT unit (110), a division unit (111), and a mapping unit (112). The DFT unit (110) uses the DFT matrix to execute a DFT process on a symbol sequence in a time region to generate a signal (SC-FDMA signal) of the frequency region. The division unit (111) generates a plurality of clusters by dividing the SC-FDMA signal with a partially orthogonal bandwidth corresponding to the vector length of some of the column vectors constituting the DFT matrix used in the DFT unit (110) and orthogonally intersecting at least partially. The mapping unit (112) maps the clusters to discontinuous frequency bands.
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Patent Agency Ranking
公开(公告)号：US09197308B2
公开(公告)日：2015-11-24
申请号：US14658075
申请日：2015-03-13
Inventor： Kenichi Miyoshi
CPC classification number: H04B7/0632 , H04B7/04 , H04B7/0413 , H04B7/0417 , H04B7/0613 , H04B7/0667 , H04B7/0671 , H04B7/0673 , H04B7/0697 , H04B7/0842 , H04L1/0006 , H04L1/0015 , H04L1/0026 , H04L1/0618 , H04L1/1657 , H04L1/1812 , H04L1/1893
Abstract: Data streams stored in buffers are modulated by modulation sections. Multipliers multiply the signals output from the modulation sections by weights output from a weight control section. The signals output from the multipliers are added up by addition sections, subjected to radio transmission processing by transmission radio sections and sent through antennas. A buffer control section controls the buffers based on a retransmission count output from a retransmission count detection section. The weight control section outputs weights different from weights at the time of previous transmission to the multipliers every time data is retransmitted. This allows a diversity gain at the time of data retransmission to be increased even if a time variation of the propagation path environment for radio signals is slow.
Abstract translation: 存储在缓冲器中的数据流由调制部分调制。 乘数将从调制部分输出的信号乘以重量控制部分的重量输出。 从乘法器输出的信号由加法部分相加，经过无线电传送部分的无线电传输处理并通过天线发送。 缓冲器控制部分基于从重传计数检测部分输出的重传计数来控制缓冲器。 每当重发数据时，权重控制部分将与先前发送时的权重不同的权重输出到乘法器。 即使无线电信号的传播路径环境的时间变化较慢，也能够提高数据重发时的分集增益。
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公开(公告)号：US09042478B2
公开(公告)日：2015-05-26
申请号：US14314447
申请日：2014-06-25
Inventor： Kenichi Miyoshi , Atsushi Matsumoto
CPC classification number: H04L27/2626 , H04L1/0071 , H04L1/08 , H04L27/2602 , H04L27/2647 , H04L27/28 , H04L27/32 , H04L27/34 , H04L27/3488 , H04L27/362
Abstract: A duplicating section duplicates a bit sequence to be input, and a 16QAM section modulates a bit sequence of a duplicating source to form a symbol, a 16QAM section modulates the duplicated bit sequence to form a symbol, an S/P section parallel converts the symbol sequence input in series, an S/P section parallel converts the symbol sequence input in series, and an IFFT section provides IFFT processing to the input symbol sequence. Since each of multiple same bits duplicated by the duplicating section is included in a different symbol, each of the multiple same bits is allocated to each of multiple subcarriers each having a different frequency by IFFT processing. As a result, a multicarrier signal including the multiple same bits each having a different frequency is generated.
Abstract translation: 复制部分复制要输入的比特序列，并且16QAM部分调制复制源的比特序列以形成符号，16QAM部分调制复制比特序列以形成符号，S / P部分并行转换符号 序列输入串联，S / P部分并行转换串联输入的符号序列，IFFT部分向输入符号序列提供IFFT处理。 由于由复制部分复制的多个相同位中的每一个被包括在不同的符号中，所以通过IFFT处理分配具有不同频率的多个子载波中的每一个的多个相同比特中的每一个。 结果，产生了包括具有不同频率的多个相同位的多载波信号。
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公开(公告)号：US09008115B2
公开(公告)日：2015-04-14
申请号：US14228692
申请日：2014-03-28
Inventor： Kenichi Miyoshi
CPC classification number: H04B7/0632 , H04B7/04 , H04B7/0413 , H04B7/0417 , H04B7/0613 , H04B7/0667 , H04B7/0671 , H04B7/0673 , H04B7/0697 , H04B7/0842 , H04L1/0006 , H04L1/0015 , H04L1/0026 , H04L1/0618 , H04L1/1657 , H04L1/1812 , H04L1/1893
Abstract: Data streams stored in buffers are modulated by modulation sections. Multipliers multiply the signals output from the modulation sections by weights output from a weight control section. The signals output from the multipliers are added up by addition sections, subjected to radio transmission processing by transmission radio sections and sent through antennas. A buffer control section controls the buffers based on a retransmission count output from a retransmission count detection section. The weight control section outputs weights different from weights at the time of previous transmission to the multipliers every time data is retransmitted. This allows a diversity gain at the time of data retransmission to be increased even if a time variation of the propagation path environment for radio signals is slow.
Abstract translation: 存储在缓冲器中的数据流由调制部分调制。 乘数将从调制部分输出的信号乘以重量控制部分的重量输出。 从乘法器输出的信号由加法部分相加，经过无线电传送部分的无线电传输处理并通过天线发送。 缓冲器控制部分基于从重传计数检测部分输出的重传计数来控制缓冲器。 每当重发数据时，权重控制部分将与先前发送时的权重不同的权重输出到乘法器。 即使无线电信号的传播路径环境的时间变化较慢，也能够提高数据重发时的分集增益。
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公开(公告)号：US08995350B2
公开(公告)日：2015-03-31
申请号：US14179905
申请日：2014-02-13
Inventor： Yasuaki Yuda , Seigo Nakao , Ayako Horiuchi , Akihiko Nishio , Daichi Imamura , Kenichi Miyoshi
CPC classification number: H04W72/005 , H04B17/318 , H04B17/345 , H04L5/0073 , H04W24/08 , H04W24/10 , H04W72/0413 , H04W72/042 , H04W72/0446 , H04W72/085
Abstract: Provided is a radio communication terminal which is capable of measuring quality in communication with a handover destination with high accuracy. The radio communication terminal is capable of communicating with a base station or a relay node, and includes: a receiver which receives control information including information relating to measurement of measuring quality of a neighbor cell; an extractor which extracts information on a subframe where the measurement should be performed, which is a subframe where only transmission of a signal from the relay node connected to the base station is performed, from the information relating to the measurement; a measurement section which performs the measurement, on a subframe basis, based on the extracted information on the subframe where the measurement should be performed; and a transmitter which transmits a result of the measurement to the base station or the relay node.
Abstract translation: 提供了能够高精度地测量与切换目的地的通信质量的无线电通信终端。 无线电通信终端能够与基站或中继节点通信，并且包括：接收机，其接收包括与相邻小区的测量质量的测量有关的信息的控制信息; 从与所述测量有关的信息中提取作为仅执行来自连接到所述基站的所述中继节点的信号的信号的子帧的，应当执行所述测量的子帧的信息的提取器; 测量部，其基于所提取的关于应当进行测量的子帧的信息，在子帧的基础上进行测量; 以及将测量结果发送到基站或中继节点的发射机。
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公开(公告)号：US09602267B2
公开(公告)日：2017-03-21
申请号：US14795334
申请日：2015-07-09
Inventor： Shinsuke Takaoka , Daichi Imamura , Kenichi Miyoshi
IPC: H04L5/00 , H04L25/03 , H04W72/08 , H04W24/02 , H04L1/00 , H04W48/00 , H04J11/00 , H04B7/02 , H04W92/20 , H04W28/06
CPC classification number: H04L5/0073 , H04B7/024 , H04J11/0053 , H04J11/0079 , H04L1/00 , H04L5/0023 , H04L5/0035 , H04L5/0082 , H04L25/03343 , H04L25/03904 , H04L25/03955 , H04L2025/03777 , H04W24/02 , H04W28/06 , H04W48/00 , H04W72/042 , H04W72/08 , H04W92/20
Abstract: A communication apparatus comprises a generator that generates frequency resource position information corresponding to a first information which is based on the communication quality information received from user equipments, the frequency resource position information indicating validity or invalidity of the first information for each frequency resource, anda transmitter that transmits the first information, the frequency resource position information and a cell ID which the frequency resource position is applied, to another communication apparatus via a backhaul.
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