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    • 31. 发明专利
    • Radio communication method, radio communication system, base station, and radio terminal
    • 无线电通信方法,无线电通信系统,基站和无线电终端
    • JP2009218894A
    • 2009-09-24
    • JP2008061022
    • 2008-03-11
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKANUNO FUSAO
    • H04W74/02H04W52/02H04W74/06H04W74/08H04W88/02
    • Y02D70/00
    • PROBLEM TO BE SOLVED: To reduce power consumption in a radio terminal, and to lengthen a battery life. SOLUTION: The radio terminal 40 holds power consumption information on the amount of power consumption required for data transmission, and notifies a base station 30 of the power consumption information at prescribed timing. The base station 30 calculates average power consumption in data transmission in the radio terminal 40 at a point in time when the data transmission of an uplink from the radio terminal 40 is completed, and compares the calculated average power consumption with a prestored prescribed value. When the amount of average power consumption is smaller than the threshold, the base station 30 determines the utilization of a random access method to the radio terminal 40. When the amount of power consumption is equal to or more than the threshold, the base station 30 determines the utilization of a polling method to the radio terminal 40. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:降低无线电终端的功耗,延长电池寿命。 解决方案:无线电终端40保存关于数据传输所需的功耗量的功耗信息,并且在规定的定时向基站30通知功耗信息。 基站30在从无线终端40的上行链路的数据发送完成的时刻计算无线终端40的数据发送时的平均功耗,并将计算的平均功耗与预先存储的规定值进行比较。 当平均功耗量小于阈值时,基站30确定对无线终端40的随机接入方法的利用。当功耗量等于或大于阈值时,基站30 确定轮询方法对无线电终端40的利用。版权所有(C)2009,JPO&INPIT
    • 32. 发明专利
    • Radio communications method and radio communication system
    • 无线电通信方法和无线电通信系统
    • JP2009152880A
    • 2009-07-09
    • JP2007329022
    • 2007-12-20
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKANUNO FUSAO
    • H04W16/02H04J3/00H04W24/00
    • PROBLEM TO BE SOLVED: To provide a radio communication method and a radio communication system for actualizing highly efficient communication from a viewpoint of transmission delay time from data generation in each radio communication terminal to data transmission to a radio base station apparatus in a radio communication system in which almost all communication is occupied with data transmitted to the radio bas station apparatus from the radio communication terminal. SOLUTION: The radio base station apparatus 1a can shorten the transmission delay time of a radio communication terminal deteriorated in transmission delay time by assigning, based on the transmission delay time of each radio communication terminal 2a-m (m=1, 2, 3, ..., n), channels for transmitting an area assigning request signal when the radio communication terminal holds the transmitting data and also assigning channels for transmitting an band assigning request signal to the radio communication terminal at the timing based on the transmission delay time. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供一种无线电通信方法和无线电通信系统,用于实现高效率的通信,从在每个无线电通信终端中的数据生成的传输延迟时间到数据传输到无线电基站装置 无线电通信系统,其中几乎所有通信都被从无线电通信终端发送到无线电台站装置的数据占用。 解决方案:无线电基站装置1a可以基于每个无线电通信终端2a-m的传输延迟时间(m = 1,2)来缩短传输延迟时间恶化的无线电通信终端的传输延迟时间 ,3,...,n),用于当无线电通信终端保持发送数据时发送区域分配请求信号的信道,并且在基于发送的定时还向无线电通信终端分配用于发送频带分配请求信号的信道 延迟时间。 版权所有(C)2009,JPO&INPIT
    • 33. 发明专利
    • Radio communication method, base station device, and radio terminal
    • 无线电通信方法,基站设备和无线电终端
    • JP2009021791A
    • 2009-01-29
    • JP2007182367
    • 2007-07-11
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKANUNO FUSAO
    • H04W4/90H04W28/00H04W16/02
    • PROBLEM TO BE SOLVED: To make it possible for a radio terminal to notify a base station of a prescribed event, such as an event which demands immediacy, in low delay time.
      SOLUTION: A radio frame is provided with a shared slot for transmitting generation notification information of the prescribed event. Radio terminals 2-1 to 2-N use the shared slot to transmit the generation notification information of the prescribed event to the base station device 1. The base station device 1 provides to the event for which the immediacy is requested with the usage permission of a random slot, on the basis of the generation notification information transmitted. The radio terminals 2-1 to 2-N use the random slot whose use is permitted to transmit band request information to the base station 1.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了使无线电终端能够在低延迟时间内向基站通知诸如要求即时性的事件之类的规定事件。 解决方案:无线电帧设置有用于发送规定事件的生成通知信息的共享时隙。 无线电终端2-1至2-N使用共享时隙将规定事件的生成通知信息发送给基站装置1.基站装置1提供请求的直接性的事件,其使用许可为 基于发送的生成通知信息的随机时隙。 无线电终端2-1至2-N使用允许使用该随机时隙向基站1发送频带请求信息。版权所有:(C)2009,JPO&INPIT
    • 34. 发明专利
    • Wireless communication method, wireless communication system, and wireless base station device therefor
    • 无线通信方法,无线通信系统及其无线基台设备
    • JP2007243346A
    • 2007-09-20
    • JP2006060101
    • 2006-03-06
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • NUNO FUSAOSHIMIZU YOSHITAKA
    • H04L12/28
    • PROBLEM TO BE SOLVED: To provide a wireless communication method that achieves a priority control system without using a carrier scan and IFS. SOLUTION: A wireless communication system is composed so that a wireless terminal station device 2 calculates an arbitrary time within a range of a window size as a back-off time by using the window size of a service class to which a data packet to be transmitted belongs, or both of the window size and a retransmission function so as to transmit the data packet after the elapse of the calculated back-off time after generating the data packet to be transmitted. When transmission of the data packet has failed, the data packet is retransmitted by recalculating the back-off time from the window size or a window size generated by changing the window size on the basis of the retransmission function. The wireless base station device 1 measures a communication state for each service class so as to determine the window size or retransmission function for recalculation of the back-off time corresponding to the communication state. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种在不使用载波扫描和IFS的情况下实现优先级控制系统的无线通信方法。 解决方案:无线通信系统被构成为使得无线终端站设备2通过使用数据分组的服务类别的窗口大小来计算窗口大小的范围内的任意时间作为退避时间 被发送的属性或窗口大小和重传功能两者,以便在生成要发送的数据分组之后经过所计算的退避时间之后发送数据分组。 当数据分组的传输失败时,通过根据重发功能通过根据窗口大小重新计算退避时间或者通过改变窗口大小所产生的窗口大小重新发送数据分组。 无线基站装置1测定各服务等级的通信状态,以确定用于重新计算对应于通信状态的退避时间的窗口大小或重发功能。 版权所有(C)2007,JPO&INPIT
    • 35. 发明专利
    • Radio communication terminal, radio base station apparatus, radio communication system, radio communication method and computer program, and its recording medium
    • 无线电通信终端,无线基站装置,无线电通信系统,无线电通信方法和计算机程序及其记录介质
    • JP2007028500A
    • 2007-02-01
    • JP2005211234
    • 2005-07-21
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKANUNO FUSAO
    • H04L12/28H04W48/08
    • PROBLEM TO BE SOLVED: To provide a radio communication terminal which flattens the number of times of communication without depending on a distance from a radio base station apparatus. SOLUTION: In the radio communication terminal 10a, a storing portion 20a stores informations of a plurality of combinations comprised of a receiving intensity value of a radio signal and a prescribed value which increases as the receiving intensity value increases. A radio receiving portion 16 receives the radio signal. A measuring portion 12 measures the receiving intensity value of the received radio signal and outputs the measured receiving intensity value. A candidate value recording portion 14a records the prescribed value corresponding to the measured receiving intensity value as the candidate value in the storing portion 20a based on the informations stored in the storing portion 20a. A selecting portion 11 generates a random number value from a numerical value range which regards the candidate value stored in the storing portion 20a as a maximum value and selects one random number value generated. After a waiting time calculated based on the random number value has passed, a radio transmitting portion 17 transmits the radio signal to the radio base station apparatus in the case that a transmission indication is input. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种使无线电通信终端能够平坦化通信次数而不依赖于距离无线基站装置的距离。 解决方案:在无线电通信终端10a中,存储部分20a存储由无线电信号的接收强度值和随着接收强度值增加而增加的规定值组成的多个组合的信息。 无线电接收部分16接收无线电信号。 测量部分12测量所接收的无线电信号的接收强度值,并输出测量的接收强度值。 候选值记录部分14a基于存储在存储部分20a中的信息将与测量的接收强度值对应的规定值作为候选值记录在存储部分20a中。 选择部分11从存储在存储部分20a中的候选值视为最大值的数值范围产生随机数值,并选择一个产生的随机数值。 在通过随机数值计算出的等待时间之后,无线发送部17在输入发送指示的情况下向无线基站装置发送无线信号。 版权所有(C)2007,JPO&INPIT
    • 36. 发明专利
    • Radio communication system, radio communication terminal, radio base station device, radio communicating method, computer program and its recording medium
    • 无线电通信系统,无线电通信终端,无线电台站设备,无线电通信方法,计算机程序及其记录介质
    • JP2007028288A
    • 2007-02-01
    • JP2005208637
    • 2005-07-19
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKANUNO FUSAO
    • H04L12/28H04W74/08
    • PROBLEM TO BE SOLVED: To provide a radio communication terminal capable of performing communication efficiently from the point of view of a communication time and band usage about both communication being radio communication in which only data communication with little amount of data is irregularly performed and radio communication in which data are continuously transmitted and received. SOLUTION: In this radio communication system 1, the radio communication terminal 10 transmits data and identification information through one slot in a radio band for connection. This radio base station device 30 determines whether the identification information received from the radio communication terminal 10 through one slot of a radio band for connection coincides with stored identification information, and transmits to the radio communication terminal 10 connectable information showing that the identification information and the data are normally received through a radio band for response when it is determined that the received identification information coincides with the identification information stored in the a registered information storing means. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种无线电通信终端,其能够从通信时间和带宽使用的角度有效地进行通信,所述通信时间和频带使用关于作为无线电通信的通信,其中只有少量数据的数据通信不规则地执行 以及连续发送和接收数据的无线电通信。 解决方案:在该无线通信系统1中,无线通信终端10通过用于连接的无线频带中的一个时隙发送数据和识别信息。 该无线基站装置30判断从无线通信终端10通过用于连接的无线频带的一个时隙接收的识别信息是否与存储的识别信息一致,并向无线通信终端10发送表示识别信息和 当确定所接收的识别信息与登记信息存储装置中存储的识别信息一致时,通常通过无线电频带接收数据以进行响应。 版权所有(C)2007,JPO&INPIT
    • 37. 发明专利
    • 制御サーバ装置、制御方法、及び制御プログラム
    • 控制服务器设备,控制方法和控制程序
    • JP2014236402A
    • 2014-12-15
    • JP2013117578
    • 2013-06-04
    • 日本電信電話株式会社Nippon Telegr & Teleph Corp 国立大学法人東北大学Tohoku Univ
    • SHIMIZU YOSHITAKAKUMAGAI TOMOAKIKATO YASUSHINISHIYAMA DAIKI
    • H04W40/02H04W84/12H04W84/18
    • 【課題】通信ネットワークを構築する際に要する時間を短縮する。【解決手段】複数の無線通信装置から無線通信装置を選択し、選択した無線通信装置を通信ネットワークのゲートウェイにした際にボトルネックになるコリジョン領域における第1のトラヒック量を算出し、他の無線通信装置をゲートウェイにした際にコリジョン領域における第2のトラヒック量を算出し、第2のトラヒック量が第1のトラヒック量以上である場合に、他の無線通信装置をゲートウェイの候補から除外し、第2のトラヒック量が第1のトラヒック量未満である場合に、選択した無線通信装置をゲートウェイの候補から除外するゲートウェイ選択手段を備え、ゲートウェイ選択手段は、前記トラヒック量を算出した際に、前記通信ネットワークのトポロジと前記コリジョン領域におけるトラヒック量とに基づいて、前記複数の無線通信装置からゲートウェイ候補の無線通信装置を更に除外する。【選択図】図5
    • 要解决的问题:减少实现通信网络所需的时间。解决方案:控制服务器设备包括网关选择装置。 网关选择装置从多个无线通信装置中选择无线通信装置,当选择的无线通信装置被设定为通信网络的网关时,计算导致瓶颈的冲突区域中的第一通信量,计算第二通信量 当另一个无线电通信设备被设置为网关时,在冲突区域中的业务量,如果第二业务量是第一业务量或更大,则从网关候选者排除另一个无线电通信设备,并且从网关中排除所选择的无线电通信设备 如果第二话务量小于第一话务量,则候选者。 网关选择装置在计算流量时,根据通信网络的拓扑结构和冲突区域的流量,进一步从多个无线通信装置中排除网关候选的无线通信装置。
    • 38. 发明专利
    • Remote control system, remote controller, remote control method and program
    • 远程控制系统,远程控制器,远程控制方法和程序
    • JP2014007712A
    • 2014-01-16
    • JP2012144101
    • 2012-06-27
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • MIZUNO KOHEIFUJITA TAKASHISHIMIZU YOSHITAKAYOSHINO SHUICHI
    • H04Q9/00
    • PROBLEM TO BE SOLVED: To perform remote control for a controlled apparatus that is connected by narrow band communication while suppressing transfer delay of a command.SOLUTION: Normally, an apparatus management device 12 transmits a command of description form, depending on the attributes of a controlled device 53 such as the model number, over the Internet network 8. When the Internet network 8 is unavailable, the apparatus management device 12 outputs a command of description form depending on the attributes of the controlled device 53. An IP-TE 13 converts the command thus outputted into a compression command of description form independent from the attributes and having a data amount compressed when compared with a command of description form depending on the attributes. A narrow band wireless terminal 55 outputs the compression command, received over a narrow band communication network 9, to a TE 54, which converts the compression command into a command of description form depending on the attributes of the controlled device 53, and outputs the command thereto.
    • 要解决的问题:对通过窄带通信连接的受控设备进行远程控制,同时抑制命令的传送延迟。解决方案:设备管理设备12通常根据具体的属性发送描述形式的命令 受控设备53,例如型号。在互联网8不可用时,设备管理设备12根据受控设备53的属性输出描述形式的命令.IP-TE 13转换 该命令因此被输出到与属性无关的描述形式的压缩命令,并且与根据属性的描述形式的命令进行比较时具有压缩的数据量。 窄带无线终端55将通过窄带通信网络9接收的压缩命令输出到TE 54,该TE 54根据受控设备53的属性将压缩命令转换成描述形式的命令,并输出命令 于此。
    • 39. 发明专利
    • Base station device and communication method
    • 基站设备和通信方法
    • JP2013110637A
    • 2013-06-06
    • JP2011254963
    • 2011-11-22
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIMIZU YOSHITAKAFUJINO YOSUKESHIMIZU TATSUYAYOSHINO SHUICHI
    • H04W88/08H04W84/12
    • PROBLEM TO BE SOLVED: To mitigate a reduced throughput caused by a transmission delay between a circuit associated with RF and a circuit associated with a PHY layer.SOLUTION: A base station device is connected to a radio terminal and a signal processing device that performs signal processing of a signal received from the radio terminal, and outputs the signal received from the radio terminal to the signal processing device. The base station device pattern matches the received signal with a plurality of signals stored in advance; determines whether or not a first response signal to the received signal is to be transmitted; on determining that the first response signal is to be transmitted, sets to the first response signal a first channel reservation period fixed for each of the plurality of signals stored in advance; and transmits the first response signal.
    • 要解决的问题:为了减轻由与RF相关联的电路和与PHY层相关联的电路之间的传输延迟引起的降低的吞吐量。 解决方案:基站设备连接到无线终端和执行从无线终端接收的信号的信号处理的信号处理设备,并将从无线终端接收的信号输出到信号处理设备。 基站装置模式将接收到的信号与预先存储的多个信号进行匹配; 确定是否要发送对接收信号的第一响应信号; 在确定要发送第一响应信号时,将预先存储的多个信号中的每个信号固定的第一信道预留周期设置为第一响应信号; 并发送第一响应信号。 版权所有(C)2013,JPO&INPIT
    • 40. 发明专利
    • Radio base station device
    • 无线基站设备
    • JP2012165301A
    • 2012-08-30
    • JP2011025715
    • 2011-02-09
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • GOTO KAZUTOSHIMIZU YOSHITAKA
    • H04W74/02
    • PROBLEM TO BE SOLVED: To provide a radio base station device capable of flexibly accommodating an increase in traffic or an increase in the number of radio relay stations or radio terminal stations and preventing degradation in transmission characteristic.SOLUTION: The radio base station device estimates both or either one of transmission delay time and throughput for both methods different in merits and demerits of transmission characteristic according to traffic characteristic, and selects the optimum system as an access method according to the traffic characteristic, based on the estimated result.
    • 要解决的问题:提供能够灵活地适应业务量增加或无线中继站或无线电终端站的数量增加的无线基站装置,并防止传输特性的劣化。 解决方案:根据流量特性,无线基站装置对传输特性的优点和缺点不同的两种方法估计传输延迟时间和吞吐量两者或任一种,并且根据流量选择最佳系统作为接入方法 特征,基于估计结果。 版权所有(C)2012,JPO&INPIT