公开(公告)号：US08913681B2

公开(公告)日：2014-12-16

申请号：US13810392

申请日：2011-07-15

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04B7/02 ,  H04B7/08 ,  H04W24/10 ,  H04L5/00

CPC分类号： H04B7/0865 ,  H04B7/086 ,  H04L5/0023 ,  H04L5/0048 ,  H04W24/10

摘要： A radio base station (eNB 1) receives an SRS from the radio terminal (UE 2A) and SRSes from radio terminals (UE 2B through UE 2D), and calculates, on the basis of at least one of the SRSes from the radio terminal (UE 2A) and from the radio terminals (UE 2B through UE 2D), a reception weight that is to be used for wireless communication with the radio terminal (UE 2A).

摘要翻译： 无线基站（eNB 1）从无线终端（UE 2A）接收SRS和来自无线终端（UE 2B〜UE 2D）的SRS，并根据来自无线终端的SRS UE 2A）和从无线终端（UE 2B到UE 2D）的无线终端（UE 2A）进行无线通信的接收权重。

公开(公告)号：US08787310B2

公开(公告)日：2014-07-22

申请号：US12937586

申请日：2009-04-14

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04W4/00 ,  H04W52/24 ,  H04W52/32 ,  H04W52/04 ,  H04W36/08

CPC分类号： H04W52/04 ,  H04W36/08 ,  H04W52/242 ,  H04W52/322

摘要： A mobile station which performs a handover from a base station to a base station calculates the transmission loss of a broadcast control channel sent from the target base station, and corrects the transmission power of an uplink ANCH to the target base station, based on a known base station desired receive power and the calculated transmission loss. Alternatively, the mobile station may correct the transmission power of the uplink ANCH to the target base station, based on the transmission power of an uplink signal to the serving base station, the transmission loss of a downlink signal sent from the serving base station, and the transmission loss of a broadcast control channel sent from the target base station.

摘要翻译： 执行从基站到基站的切换的移动台计算从目标基站发送的广播控制信道的传输损失，并且基于已知的目的基站向目标基站校正上行ANCH的发射功率 基站需要接收功率和计算的传输损耗。 或者，移动台可以基于向服务基站的上行链路信号的发送功率，从服务基站发送的下行链路信号的传输损耗，将目的基站的上行ANCH的发送功率， 从目标基站发送的广播控制信道的传输损失。

公开(公告)号：US08555125B2

公开(公告)日：2013-10-08

申请号：US12474200

申请日：2009-05-28

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： G08C25/02

CPC分类号： H04L1/0018 ,  H04L1/0003 ,  H04L1/0013 ,  H04L1/0025 ,  H04L1/1816

摘要： A transmitting apparatus and a wireless communication method are provided. The transmitting apparatus is capable of transmitting, together with transmission data, retransmission data in response to an HARQ from a receiving apparatus, according to an MCS determined based on a request from the receiving apparatus and includes a storage portion which stores information indicating a transition of an FER with respect to a communication quality for each MCS in both cases in which an HARQ response is enabled and disabled, an HARQ switching portion which switches whether to enable or disable the HARQ response in accordance with a QoS class of data to be transmitted, and an MCS switching portion which switches an MCS in accordance with the switching of whether to enable or disable the HARQ response, while referring to the information stored in the storage portion.

摘要翻译： 提供了发送装置和无线通信方法。 发送装置能够根据基于来自接收装置的请求而确定的MCS发送响应于来自接收装置的HARQ的发送数据的重发数据，并且包括：存储部，其存储表示 在其中启用和禁用HARQ响应的两种情况下针对每个MCS的通信质量的FER; HARQ切换部分，其根据要发送的数据的QoS类切换是否启用或禁用HARQ响应; 以及MCS切换部，其在参照存储在存储部中的信息时，根据是否启用或禁用HARQ响应来切换MCS。

公开(公告)号：US08520655B2

公开(公告)日：2013-08-27

申请号：US12864844

申请日：2009-01-27

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04B7/208

CPC分类号： H04L1/0009 ,  H04L1/0003 ,  H04L1/0025 ,  H04L1/1607

摘要： One object of the present invention is to effectively utilize adaptive modulation and improve stability of wireless communication, without departing from standards, by independently controlling MCSs of retransmission data and usual data and using MCS suitable for each data. In the wireless communication system of the present invention, a frame, in which an error occurs, in both a transmitting device and a receiving device and the error part are specified, and MCS used in the frame is specified. Therefore, it is possible to modulate/demodulate the error part based on desired MCS without loading MCS on HARQ.

摘要翻译： 本发明的一个目的是通过独立地控制重发数据和通用数据的MCS并使用适合于每个数据的MCS来有效地利用自适应调制并提高无线通信的稳定性，而不脱离标准。 在本发明的无线通信系统中，指定在发送装置和接收装置以及错误部分中发生错误的帧，并且指定帧中使用的MCS。 因此，可以基于期望的MCS对误差部分进行调制/解调，而无需在HARQ上加载MCS。

公开(公告)号：US08374132B2

公开(公告)日：2013-02-12

申请号：US12302718

申请日：2007-05-28

申请人： Takanori Miura ,  Takehiro Hara ,  Toru Sahara

发明人： Takanori Miura ,  Takehiro Hara ,  Toru Sahara

IPC分类号： H04W4/00

CPC分类号： H04B7/0851

摘要： A base station device according to the present invention includes: a first reception weight calculator 122 configured to calculate weight of each antenna element of an array antenna 114 to be used in communications with a first mobile station device by using a reference signal transmitted from the first mobile station device; and a second reception weight calculator 124 configured to calculate weight of each antenna element of the array antenna 114 to be used in communications with a second mobile station device, which is different from, the first mobile station device of the multiple mobile station devices, the second reception weight calculator 124 calculating the weight so that null can be directed to an arriving direction of the reference signal transmitted from the first mobile station device, the arriving direction being determined on the basis of weight calculated by the first reception weight calculator 122.

摘要翻译： 根据本发明的基站装置包括：第一接收权重计算器122，被配置为通过使用从第一移动站装置发送的参考信号来计算要用于与第一移动站装置通信的阵列天线114的每个天线元件的权重 移动台设备; 以及第二接收权重计算器124，被配置为计算与第二移动站装置的通信中使用的阵列天线114的每个天线元件的重量，该第二移动台装置与多个移动台装置的第一移动台装置不同， 第二接收权重计算器124计算权重，使得可以将零值指向从第一移动站设备发送的参考信号的到达方向，到达方向基于由第一接收权重计算器122计算的权重来确定。

公开(公告)号：US08340237B2

公开(公告)日：2012-12-25

申请号：US12934583

申请日：2009-03-26

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04L7/00

CPC分类号： H04W56/003 ,  H04L27/2607 ,  H04L27/2646 ,  H04L27/2655

摘要： There is provided a wireless communication method, a wireless communication system, a base station and a mobile station which conduct wireless communication using an OFDM modulation scheme. The base station transmits a timing correction burst to the mobile station only when a correlation peak detected from a received OFDM symbol is within a predetermined timing detection range. If the timing correction burst is not introduced from the base station even after expiration of predetermined time duration, by copying a signal by a length different from a guard interval from the end of an effective symbol and adding the copied signal to the front of the effective symbol, the mobile station generates a new timing correction channel (second time), in which transmission timing of a previously generated timing correction channel is shifted.

摘要翻译： 提供了使用OFDM调制方式进行无线通信的无线通信方法，无线通信系统，基站和移动台。 仅当从接收的OFDM符号检测到的相关峰值在预定定时检测范围内时，基站才向移动站发送定时校正突发。 如果即使在预定持续时间期满之后，基站也不引入定时校正脉冲串，则通过将与保护间隔不同的长度的信号从有效符号的结尾复制并将复制的信号添加到有效符号的前面 符号，移动台产生其中先前产生的定时校正信道的发送定时被移位的新的定时校正信道（第二时间）。

公开(公告)号：US20110051599A1

公开(公告)日：2011-03-03

申请号：US12439816

申请日：2007-09-04

申请人： Hironobu Tanigawa ,  Yasuhiro Nakamura ,  Toru Sahara ,  Nobuaki Takamatsu

发明人： Hironobu Tanigawa ,  Yasuhiro Nakamura ,  Toru Sahara ,  Nobuaki Takamatsu

IPC分类号： G06F11/07

CPC分类号： H04L1/1893 ,  H04L1/0002 ,  H04L1/04 ,  H04L1/1812 ,  H04L5/0007 ,  H04L5/003 ,  H04L27/2626

摘要： A wireless communication system which performs packet communication in a time division multiplexing communication format between wireless communication devices using either one or a plurality of communication channels includes: a resend request unit which detects that a received packet contains an error and requests a resend; a resend request detection unit which detects the request for a resend; a packet resend unit which resends the packet in accordance with the request for a resend detected by the resend request detection unit; and a channel allocation unit which allocates a different communication channel for the packet resend unit to resend the packet from the communication channel which was used for sending the packet in which the error detected by the resend request unit was contained.

摘要翻译： 一种使用一个或多个通信信道在无线通信设备之间以时分复用通信格式进行分组通信的无线通信系统包括：重发请求单元，其检测接收到的分组包含错误并请求重发; 重发请求检测单元，其检测重发的请求; 分组重发单元，其根据由所述重发请求检测单元检测到的重发的请求重新发送所述分组; 以及信道分配单元，其分配用于分组重发单元的不同通信信道，以从用于发送其中包含由重发请求单元检测到的错误的分组的通信信道重新发送分组。

公开(公告)号：US20110038351A1

公开(公告)日：2011-02-17

申请号：US12937586

申请日：2009-04-14

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04W36/00

CPC分类号： H04W52/04 ,  H04W36/08 ,  H04W52/242 ,  H04W52/322

摘要： A mobile station which performs a handover from a base station to a base station calculates the transmission loss of a broadcast control channel sent from the target base station, and corrects the transmission power of an uplink ANCH to the target base station, based on a known base station desired receive power and the calculated transmission loss. Alternatively, the mobile station may correct the transmission power of the uplink ANCH to the target base station, based on the transmission power of an uplink signal to the serving base station, the transmission loss of a downlink signal sent from the serving base station, and the transmission loss of a broadcast control channel sent from the target base station.

摘要翻译： 执行从基站到基站的切换的移动台计算从目标基站发送的广播控制信道的传输损失，并且基于已知的目的基站向目标基站校正上行ANCH的发射功率 基站需要接收功率和计算的传输损耗。 或者，移动台可以基于向服务基站的上行链路信号的发送功率，从服务基站发送的下行链路信号的传输损耗，将目的基站的上行ANCH的发送功率， 从目标基站发送的广播控制信道的传输损失。

公开(公告)号：US20110026633A1

公开(公告)日：2011-02-03

申请号：US12934583

申请日：2009-03-26

申请人： Toru Sahara

发明人： Toru Sahara

IPC分类号： H04L1/02

CPC分类号： H04W56/003 ,  H04L27/2607 ,  H04L27/2646 ,  H04L27/2655

摘要： One of the objects of the present invention is to more completely avoid impossibility of access between a mobile station and a base station, in wireless communication using an OFDM modulation scheme. A mobile station (110) generates a timing correction channel (first time) to be frame synchronized with a notification channel.A base station (120) transmits a timing correction burst to the mobile station only when a correlation peak detected from a received OFDM symbol is within a predetermined timing detection range. If the timing correction burst is not introduced from the base station even after expiration of predetermined time duration, by copying a signal by a length different from a guard interval from the end of an effective symbol and adding the copied signal to the front of the effective symbol, the mobile station generates a new timing correction channel (second time), in which transmission timing of a previously generated timing correction channel is shifted.

摘要翻译： 本发明的目的之一是在使用OFDM调制方案的无线通信中更完全地避免移动台与基站之间不可能的接入。 移动站（110）产生与通知信道帧同步的定时校正信道（第一次）。 只有当从接收的OFDM符号检测到的相关峰值在预定定时检测范围内时，基站（120）才向移动站发送定时校正脉冲串。 如果即使在预定持续时间期满之后，基站也不引入定时校正脉冲串，则通过将与保护间隔不同的长度的信号从有效符号的结尾复制并将复制的信号添加到有效符号的前面 符号，移动台产生其中先前产生的定时校正信道的发送定时被移位的新的定时校正信道（第二时间）。

公开(公告)号：US20110022919A1

公开(公告)日：2011-01-27

申请号：US12934263

申请日：2009-03-26

申请人： Toru Sahara ,  Nobuaki Takamatsu

发明人： Toru Sahara ,  Nobuaki Takamatsu

IPC分类号： H04L1/18 ,  G06F11/14

CPC分类号： H04L1/1825 ,  H04L1/1809 ,  H04L1/1812

摘要： One object of the present invention is to improve stability of wireless communication by effectively requesting retransmission of data to a wireless communication device, which is a data transmission source, by switching ARQ and HARQ if an error has been detected in received data.In the wireless communication system of the present invention, other wireless communication device (for example, base station 120) includes a transmission data maintaining unit 230, a data transmission unit 234, a retransmission request receiving unit 236, an HARQ data retransmission unit 238, and an ARQ data retransmission unit 240. A wireless communication device (for example, PHS terminal 110) includes a data receiving unit 330, a data demodulation unit 332, an error detection unit 336, a retransmission request selection unit 338, an HARQ processing unit 340 capable of making an HARQ retransmission request, and an ARQ processing unit 360 capable of making an ARQ retransmission request.

摘要翻译： 本发明的一个目的是通过在接收到的数据中检测到错误时，通过切换ARQ和HARQ来有效地请求重发数据到作为数据传输源的无线通信设备来提高无线通信的稳定性。 在本发明的无线通信系统中，其他的无线通信装置（例如，基站120）具备发送数据维持部230，数据发送部234，重发请求接收部236，HARQ数据重发部238， 和ARQ数据重发单元240.无线通信设备（例如，PHS终端110）包括数据接收单元330，数据解调单元332，错误检测单元336，重传请求选择单元338，HARQ处理单元 340，以及能够进行ARQ重传请求的ARQ处理单元360。