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1. 发明授权

US08515477B2 Base station and communication method 有权
标题翻译：基站和通信方式
公开(公告)号：US08515477B2
公开(公告)日：2013-08-20
申请号：US12673885
申请日：2009-06-26
申请人： Naotake Yamamoto , Hiroshi Hayashino , Hironori Nakae , Naganori Shirakata
发明人： Naotake Yamamoto , Hiroshi Hayashino , Hironori Nakae , Naganori Shirakata
IPC分类号： H04W72/08
CPC分类号： H04W72/085 , H04L1/1893 , H04L5/06 , H04W28/04
摘要： A base station includes: an estimation section estimating transmission condition of each of frequency channels used for communication; a reception section receiving a data signal from each communication terminal through any of the frequency channels; a measurement section measuring received signal power of the received data signal for each frequency channel; a determination section determining, for each frequency channel, whether the received data signal is demodulated errorlessly; and a control section assigning frequency channels estimated as being in good transmission condition by the estimation section, to communication terminals the data signals of which are determined as not being errorlessly demodulated by the determination section, such that a frequency channel in a better transmission condition is assigned preferentially to a communication terminal having larger received signal power detected by the detection section, and transmitting retransmission request signals requesting the communication terminals to retransmit the data signals using the assigned frequency channels.
摘要翻译：基站包括：估计部，估计用于通信的每个频道的传输条件; 接收部分，通过任何频道从每个通信终端接收数据信号; 测量部分，测量每个频道的接收数据信号的接收信号功率; 确定部，为每个频道确定所接收的数据信号是否无误地解调; 以及控制部，通过所述估计部分将被估计为处于良好发送状态的频率信道分配给所述数据信号被确定为不被所述确定部无错误地解调的通信终端，使得更好的发送条件下的频道为优先分配给具有由检测部检测到的较大接收信号功率的通信终端，以及发送请求通信终端的重传请求信号，以使用所分配的频率信道重传数据信号。

2. 发明申请

US20110086661A1 BASE STATION AND COMMUNICATION METHOD 有权
标题翻译：基站和通信方法
公开(公告)号：US20110086661A1
公开(公告)日：2011-04-14
申请号：US12673885
申请日：2009-06-26
申请人： Naotake Yamamoto , Hiroshi Hayashino , Hironori Nakae , Naganori Shirakata
发明人： Naotake Yamamoto , Hiroshi Hayashino , Hironori Nakae , Naganori Shirakata
IPC分类号： H04W72/08
CPC分类号： H04W72/085 , H04L1/1893 , H04L5/06 , H04W28/04
摘要： A base station includes: an estimation section estimating transmission condition of each of frequency channels used for communication; a reception section receiving a data signal from each communication terminal through any of the frequency channels; a measurement section measuring received signal power of the received data signal for each frequency channel; a determination section determining, for each frequency channel, whether the received data signal is demodulated errorlessly; and a control section assigning frequency channels estimated as being in good transmission condition by the estimation section, to communication terminals the data signals of which are determined as not being errorlessly demodulated by the determination section, such that a frequency channel in a better transmission condition is assigned preferentially to a communication terminal having larger received signal power detected by the detection section, and transmitting retransmission request signals requesting the communication terminals to retransmit the data signals using the assigned frequency channels.
摘要翻译：基站包括：估计部，估计用于通信的每个频道的传输条件; 接收部分，通过任何频道从每个通信终端接收数据信号; 测量部分，测量每个频道的接收数据信号的接收信号功率; 确定部，为每个频道确定所接收的数据信号是否无误地解调; 以及控制部，通过所述估计部分将被估计为处于良好发送状态的频率信道分配给所述数据信号被确定为不被所述确定部无错误地解调的通信终端，使得更好的发送条件下的频率信道为优先分配给具有由检测部检测到的较大接收信号功率的通信终端，以及发送请求通信终端的重传请求信号，以使用所分配的频率信道重传数据信号。

3. 发明申请

US20100183087A1 RECEPTION DEVICE, TRANSMISSION DEVICE, AND ADAPTIVE TRANSMISSION RATE CONTROL METHOD 有权
标题翻译：接收设备，传输设备和自适应传输速率控制方法
公开(公告)号：US20100183087A1
公开(公告)日：2010-07-22
申请号：US12668922
申请日：2008-07-17
申请人： Shuya Hosokawa , Yosuke Ukita , Kazuhiro Ando , Hiroshi Hayashino , Hironori Nakae , Naotake Yamamoto , Kazuhiro Ohta
发明人： Shuya Hosokawa , Yosuke Ukita , Kazuhiro Ando , Hiroshi Hayashino , Hironori Nakae , Naotake Yamamoto , Kazuhiro Ohta
IPC分类号： H04L23/02 , H04L27/06 , H04L27/00
CPC分类号： H04B7/0848
摘要： In a receiver 20, a channel estimation unit 203 estimates channel characteristics of each channel, and a weight generation unit 204 generates a weight matrix used in equalization processing by an equalizer 206 in accordance with the estimated values of channel characteristics for each channel as estimated by the channel estimation unit 203. Furthermore, a likelihood calculation unit 205 calculates a likelihood indicating a degree of certainty for each transmission stream using the weight matrix generated by the weight generation unit 204, and an adaptive control unit 211 determines a transmission rate appropriate for transmission of a signal from a transmitter to the receiver 20 in accordance with the likelihood of each transmission stream calculated by the likelihood calculation unit 205, notifying the transmitter of the determined transmission rate.
摘要翻译：在接收机20中，信道估计单元203估计每个信道的信道特性，权重生成单元204根据每个信道的信道特性的估计值，由均衡器206生成均衡处理中使用的权重矩阵，如由信道估计单元203.此外，似然度计算单元205使用由权重生成单元204生成的加权矩阵来计算表示每个传输流的确定程度的似然性，并且自适应控制单元211确定适合于传输的传输速率根据由似然度计算单元205计算出的每个传输流的可能性，从发射机到接收机20的信号通知发射机确定的传输速率。

4. 发明授权

US08259871B2 Reception device, transmission device, and adaptive transmission rate control method 有权
标题翻译：接收设备，传输设备和自适应传输速率控制方法
公开(公告)号：US08259871B2
公开(公告)日：2012-09-04
申请号：US12668922
申请日：2008-07-17
申请人： Shuya Hosokawa , Yosuke Ukita , Kazuhiro Ando , Hiroshi Hayashino , Hironori Nakae , Naotake Yamamoto , Kazuhiro Ohta
发明人： Shuya Hosokawa , Yosuke Ukita , Kazuhiro Ando , Hiroshi Hayashino , Hironori Nakae , Naotake Yamamoto , Kazuhiro Ohta
IPC分类号： H04L27/06 , H03D1/00
CPC分类号： H04B7/0848
摘要： In a receiver, a channel estimation unit estimates channel characteristics of each channel, and a weight generation unit generates a weight matrix used in equalization processing by an equalizer in accordance with the estimated values of channel characteristics for each channel as estimated by the channel estimation unit. Furthermore, a likelihood calculation unit calculates a likelihood indicating a degree of certainty for each transmission stream using the weight matrix generated by the weight generation unit, and an adaptive control unit determines a transmission rate appropriate for transmission of a signal from a transmitter to the receiver in accordance with the likelihood of each transmission stream calculated by the likelihood calculation unit, notifying the transmitter of the determined transmission rate.
摘要翻译：在接收机中，信道估计单元估计每个信道的信道特性，权重生成单元根据由信道估计单元估计的每个信道的信道特性的估计值，由均衡器生成均衡处理中使用的加权矩阵。此外，似然度计算单元使用由权重生成单元生成的加权矩阵来计算表示每个传输流的确定度的似然性，并且自适应控制单元确定适合于从发射机到接收机的信号的传输的传输速率根据由似然度计算单元计算出的每个传输流的可能性，向发射机通知所确定的传输速率。

5. 发明授权

US08274926B2 Control device, communication terminal, control method, and communication method 有权
标题翻译：控制装置，通讯终端，控制方式及通讯方式
公开(公告)号：US08274926B2
公开(公告)日：2012-09-25
申请号：US12677730
申请日：2009-07-08
申请人： Naganori Shirakata , Hironori Nakae , Koji Imamura
发明人： Naganori Shirakata , Hironori Nakae , Koji Imamura
IPC分类号： H04B7/212 , H04W4/00 , G06F15/173
CPC分类号： H04W72/082 , H04W72/042 , H04W84/10
摘要： In a wireless communication system according to the present invention: a control device and a communication terminal communicate in an active period. The control device: generates a first beacon packet including one or more candidate channels; transmits the first beacon packet at the beginning of the active period; determines whether or not a use channel is to be changed based on a communication state, and generates a second beacon packet including information of a determination result; transmits the second beacon packet at the end of the active period; and, when it is determined that the use channel is to be changed, changes the use channel after the active period ends and before a next active period starts. The communication terminal: receives the first and second beacon packets; and, based on the second beacon packet, changes the use channel after the active period ends and before a next active period starts.
摘要翻译：在根据本发明的无线通信系统中，控制装置和通信终端在活动期间进行通信。控制装置：生成包括一个或多个候选信道的第一信标包; 在活动期的开始时发送第一信标分组; 基于通信状态确定是否要改变使用信道，并生成包含确定结果信息的第二信标包; 在活动期结束时发送第二信标包; 并且当确定要改变使用频道时，在有效时段结束之后和在下一活动时段开始之前改变使用频道。通信终端：接收第一和第二信标分组; 并且基于第二信标包在活动时段结束之后并且在下一活动时段开始之前改变使用频道。

6. 发明申请

US20110261764A1 CONTROL DEVICE, COMMUNICATION TERMINAL, CONTROL METHOD, AND COMMUNICATION METHOD 有权
标题翻译：控制装置，通信终端，控制方法和通信方法
公开(公告)号：US20110261764A1
公开(公告)日：2011-10-27
申请号：US12677730
申请日：2009-07-08
申请人： Naganori Shirakata , Hironori Nakae , Koji Imamura
发明人： Naganori Shirakata , Hironori Nakae , Koji Imamura
IPC分类号： H04W72/04
CPC分类号： H04W72/082 , H04W72/042 , H04W84/10
摘要： In a wireless communication system according to the present invention: a control device and a communication terminal communicate in an active period. The control device: generates a first beacon packet including one or more candidate channels; transmits the first beacon packet at the beginning of the active period; determines whether or not a use channel is to be changed based on a communication state, and generates a second beacon packet including information of a determination result; transmits the second beacon packet at the end of the active period; and, when it is determined that the use channel is to be changed, changes the use channel after the active period ends and before a next active period starts. The communication terminal: receives the first and second beacon packets; and, based on the second beacon packet, changes the use channel after the active period ends and before a next active period starts.
摘要翻译：在根据本发明的无线通信系统中，控制装置和通信终端在活动期间进行通信。控制装置：生成包括一个或多个候选信道的第一信标包; 在活动期的开始时发送第一信标分组; 基于通信状态确定是否要改变使用信道，并生成包含确定结果信息的第二信标包; 在活动期结束时发送第二信标包; 并且当确定要改变使用频道时，在有效时段结束之后和在下一活动时段开始之前改变使用频道。通信终端：接收第一和第二信标分组; 并且基于第二信标包在活动时段结束之后并且在下一活动时段开始之前改变使用频道。

7. 发明申请

US20120147802A1 COMMUNICATION APPARATUS AND COMMUNICATION METHOD 有权
标题翻译：通信设备和通信方法
公开(公告)号：US20120147802A1
公开(公告)日：2012-06-14
申请号：US13390549
申请日：2011-06-09
申请人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
发明人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
IPC分类号： H04W52/02
CPC分类号： H04W52/0216 , H02J2003/143 , H04W52/0258 , H04W52/0277 , Y02B70/3266 , Y02D70/142 , Y02D70/144 , Y04S20/242
摘要： An energy controller (10) as a communication device for transmitting and receiving data by transmitting a signal for establishing transmission and reception of the data to network-connected home appliances (11a to 11c), the energy controller (10) including: a power saving control unit which determines a transmission period such that the transmission period during which the signal is transmitted is increased as a power value difference increases, which is a value obtained by subtracting the total power consumption value of a power consumption appliance from available power supply value to the power consumption appliance including the network-connected home appliances (11a to 11c); and wireless communication IF (22) for transmitting the signal containing the information indicating the transmission period to the network-connected home appliances (11a to 11c) in order to set the network-connected home appliances (11a to 11c) in an active state with a period according to the transmission period.
摘要翻译：一种能量控制器（10），其作为用于通过发送用于建立与网络连接的家用电器（11a至11c）的数据的发送和接收的信号来发送和接收数据的通信装置，所述能量控制器（10）包括：省电控制单元，其确定发送周期，使得发送信号的发送周期随着功率值差增加而增加，该功率值是通过从可用电源值减去功耗器具的总功耗值而获得的值，所述消耗功能器具包括网络连接的家用电器（11a〜11c）; 以及用于将包含指示传输周期的信息的信号发送到网络连接的家用电器（11a至11c）的无线通信IF（22），以将网络连接的家用电器（11a至11c）设置为活动状态，根据传输期间的一段时间。

8. 发明授权

US07872992B2 Network system and relay device 失效
标题翻译：网络系统和中继设备
公开(公告)号：US07872992B2
公开(公告)日：2011-01-18
申请号：US12093898
申请日：2006-12-08
申请人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino , Yoshitaka Ohta
发明人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino , Yoshitaka Ohta
IPC分类号： H04L12/28 , H04L12/56 , G06F15/173
CPC分类号： H04L45/00 , H04L45/125 , H04L45/22 , H04L47/15 , H04L47/70 , H04L47/745
摘要： When a network system of the present invention performs a bandwidth-guaranteed communication, a terminal device collects information on one or more relay devices on a path to another terminal device via a bandwidth request packet transmitted to the another terminal. When the bandwidth cannot be allocated, a detour path is searched according to the collected relay device information so as to perform the bandwidth-guaranteed communication via the detour path.
摘要翻译：当本发明的网络系统执行带宽保证通信时，终端设备经由发送到另一终端的带宽请求分组，在到另一终端设备的路径上收集关于一个或多个中继设备的信息。当不能分配带宽时，根据收集的中继设备信息搜索迂回路径，以便经由绕行路径执行带宽保证的通信。

9. 发明授权

US09236931B2 Relay device, receiving device, transmitting device, and relay method 有权
标题翻译：中继设备，接收设备，发送设备和中继方式
公开(公告)号：US09236931B2
公开(公告)日：2016-01-12
申请号：US13696819
申请日：2012-04-03
申请人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
发明人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
IPC分类号： H04B7/15 , H04W16/26 , H04B7/155
CPC分类号： H04B7/15 , H04B7/15528 , H04W16/26
摘要： A relay device according to the present invention includes: a receiving unit which receives a frame; a transmitting unit which transmits a frame; a frame determination unit which stores therein the first frame when the frame determination unit determines that the received frame is the first frame; a proxy ACK generation unit which generates a third frame which is a proxy frame of a second frame which is a frame to be transmitted from the receiving device, as a receipt acknowledgement to the first frame; and a communication control unit which: causes the transmitting unit to transmit the third frame; sets an extended active period in the inactive period subsequent to the active period; and transmits the first frame in the extended active period when the receiving unit does not receive the second frame within a predetermined period after reception of the first frame.
摘要翻译：根据本发明的中继装置包括：接收单元，其接收帧; 发送单元，发送帧; 帧确定单元，其在帧确定单元确定接收到的帧是第一帧时在其中存储第一帧; 代理ACK生成单元，其生成作为要从所述接收装置发送的帧的第二帧的代理帧作为对所述第一帧的接收确认的第三帧; 以及通信控制单元，其使所述发送单元发送所述第三帧; 在活跃期之后的非活动期间设置延长的活动期; 并且在接收单元在接收到第一帧之后的预定时段内没有接收到第二帧时，在扩展活动期间内发送第一帧。

10. 发明授权

US08817677B2 Power control device for home appliances 有权
标题翻译：家用电器控制装置
公开(公告)号：US08817677B2
公开(公告)日：2014-08-26
申请号：US13390549
申请日：2011-06-09
申请人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
发明人： Yosuke Ukita , Hironori Nakae , Hiroshi Hayashino
IPC分类号： H04B7/00
CPC分类号： H04W52/0216 , H02J2003/143 , H04W52/0258 , H04W52/0277 , Y02B70/3266 , Y02D70/142 , Y02D70/144 , Y04S20/242
摘要： An energy controller, as a communication device, transmits and receives data by transmitting a signal for establishing transmission and reception of the data to network-connected home appliances. The energy controller includes a power saving control unit that determines a transmission period such that the transmission period during which the signal is transmitted is increased as a power value difference increases, which is a value obtained by subtracting the total power consumption value of a power consumption appliance from available power supply value to the power consumption appliance including the network-connected home appliances; and a wireless communication IF for transmitting the signal containing the information indicating the transmission period to the network-connected home appliances in order to set the network-connected home appliances in an active state with a period according to the transmission period.
摘要翻译：作为通信装置的能量控制器通过向网络连接的家用电器发送用于建立数据的发送和接收的信号来发送和接收数据。能量控制器包括功率节省控制单元，其确定发送周期，使得发送信号的发送周期随着功率值差增加而增加，该功率值是通过减去功耗的总功耗值设备从可用的电源值到包括网络连接的家用电器的功耗设备; 以及无线通信IF，用于将包含指示传输周期的信息的信号发送到网络连接的家用电器，以便将网络连接的家用电器按照传输周期的周期设置在活动状态。

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