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1. 发明专利

JP2013146111A Radio communication device and radio communication method 有权
标题翻译：无线电通信设备和无线电通信方法
公开(公告)号：JP2013146111A
公开(公告)日：2013-07-25
申请号：JP2013093682
申请日：2013-04-26
申请人： Toshiba Corp , 株式会社東芝
发明人： ADACHI TOMOKO , SAKA KOICHIRO , TANDAI TOMOYA , KASAMI HIDEO
IPC分类号： H04W74/08 , H04W84/10
摘要： PROBLEM TO BE SOLVED: To realize a proximity wireless communication mode by taking the conventional carrier sense based wireless communication mode into account.SOLUTION: According to an embodiment, a radio communication device supports at least a second one of a first wireless communication mode and a second wireless communication mode which require that a wireless medium be determined to be busy when the reception level is equal to or higher than the minimum reception sensitivity of a physical system. The radio communication device includes a first processing unit 70, a second processing unit 40, and a third processing unit 10. When the second wireless communication mode is used, the first processing unit 70 sets a value lower than the maximum transmission power of the first wireless communication mode for the maximum transmission power of the second wireless communication mode, and sets a value higher than the minimum reception sensitivity of the physical system for a carrier sense level. The second processing unit 40 senses a carrier using the carrier sense level. The third processing unit 10 controls signal transmission and reception via the second processing unit 40.
摘要翻译：要解决的问题：通过采用传统的基于载波侦听的无线通信模式来实现接近无线通信模式。解决方案：根据实施例，无线电通信设备支持第一无线通信模式和第二无线通信模式，其要求当接收电平等于或高于物理系统的最小接收灵敏度时确定无线介质为忙。无线电通信装置包括第一处理单元70，第二处理单元40和第三处理单元10.当使用第二无线通信模式时，第一处理单元70设置低于第一处理单元70的最大发送功率的值用于第二无线通信模式的最大发送功率的无线通信模式，并且为载波感测电平设置高于物理系统的最小接收灵敏度的值。第二处理单元40使用载波感测电平来感测载波。第三处理单元10经由第二处理单元40控制信号发送和接收。

2. 发明专利

JP2012114515A Radio communication apparatus 有权
标题翻译：无线电通信设备
公开(公告)号：JP2012114515A
公开(公告)日：2012-06-14
申请号：JP2010259446
申请日：2010-11-19
申请人： Toshiba Corp , 株式会社東芝
发明人： TANDAI TOMOYA , AKITA KOJI , TOMIZAWA TAKESHI
IPC分类号： H04W76/02
CPC分类号： H04W56/00 , H04B17/00
摘要： PROBLEM TO BE SOLVED: To provide a radio communication apparatus capable of establishing wireless connection without need for individually setting an operation mode.SOLUTION: A radio communication apparatus according to the present invention operates based on a first time interval and includes a time interval selection section, a transmission section; a reception section and a first control section. The first time interval includes a plurality of second time intervals. The time interval selection section randomly selects one of the plurality of second time intervals included in the first time interval. The control section controls the transmission section and the reception section to operate under a first operational state for repeating transmission of a connection request signal and reception waiting of a response signal to the connection request signal during the selected second time interval and to operate under a second operational state for performing reception waiting of a connection request signal from any other radio communication apparatus only during a predetermined time interval in each of other second time intervals than the selected second time interval.
摘要翻译：要解决的问题：提供能够建立无线连接的无线电通信装置，而不需要单独设置操作模式。解决方案：根据本发明的无线电通信装置基于第一时间间隔进行操作，并且包括时间间隔选择部分，发送部分; 接收部分和第一控制部分。第一时间间隔包括多个第二时间间隔。时间间隔选择部件随机选择包括在第一时间间隔中的多个第二时间间隔中的一个。控制部分控制发送部分和接收部分在第一操作状态下操作，以在所选择的第二时间间隔期间重复发送连接请求信号和接收等待响应信号到连接请求信号，并在第二操作状态下操作用于仅在与所选择的第二时间间隔相比的其它第二时间间隔内的预定时间间隔期间等待来自任何其他无线电通信装置的连接请求信号的接收的操作状态。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012114514A Radio communication device 有权
标题翻译：无线电通信设备
公开(公告)号：JP2012114514A
公开(公告)日：2012-06-14
申请号：JP2010259445
申请日：2010-11-19
申请人： Toshiba Corp , 株式会社東芝
发明人： AKITA KOJI , TANDAI TOMOYA , KOBAYASHI TAKAHIRO , TOMIZAWA TAKESHI
IPC分类号： H04W52/02 , H04B1/40 , H04W84/12
CPC分类号： H04B1/44
摘要： PROBLEM TO BE SOLVED: To provide a radio communication device that can connect in a short time while reducing power consumption.SOLUTION: A radio communication device includes a radio unit and a control unit. The radio unit transmits and receives by setting a transmission state or a reception state for each period length. Here, the transmission state includes a first period including a period to transmit a connection request for establishing connection, and the reception state includes a second period which includes a period to receive a connection request and is the same length as the first period. A control unit sets a transmission mode to continue the transmission state in multiple period lengths, a reception mode to continue the reception state in multiple period lengths, and a transmission and reception mode to switch from the transmission state to the reception state or switch from the reception state to the transmission state in multiple period lengths, and causes the radio unit to operate in one of the modes. The control unit causes the radio unit to operate in the reception mode or the transmission and reception mode before a trigger signal is input from outside, and causes the radio unit to operate in the transmission mode when a trigger signal is input.
摘要翻译：解决的问题：提供能够在短时间内连接以减少功耗的无线通信装置。解决方案：无线电通信设备包括无线电单元和控制单元。无线电单元通过设置每个周期长度的发送状态或接收状态来发送和接收。这里，传输状态包括包括用于发送建立连接的连接请求的周期的第一周期，并且接收状态包括包括接收连接请求的周期并且与第一周期相同长度的第二周期。控制单元设置传输模式以多个周期长度继续发送状态，以多个周期长度继续接收状态的接收模式以及从发送状态切换到接收状态的发送和接收模式，或者从接收状态到多个周期长度的发送状态，并使无线电单元以这些模式之一工作。控制单元使得无线电单元在从外部输入触发信号之前以接收模式或发送和接收模式操作，并且当触发信号被输入时使无线电单元以传输模式工作。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012075043A Wireless communication method and wireless device 审中-公开
标题翻译：无线通信方法和无线设备
公开(公告)号：JP2012075043A
公开(公告)日：2012-04-12
申请号：JP2010219987
申请日：2010-09-29
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUO AYAKO , TANDAI TOMOYA , TOMIZAWA TAKESHI
IPC分类号： H04W72/10 , H04J1/00 , H04W72/04 , H04W72/08
CPC分类号： H04W76/043
摘要： PROBLEM TO BE SOLVED: To provide a wireless communication method capable of shortening time from connection processing until start of data transmission.SOLUTION: This wireless communication method includes a starting step for performing connection processing with a second wireless device, a communication step for performing communication for a given period of time in a first mode that repeats a first period for communicating with the second wireless device using a first frequency channel and a second period for carrier sensing a frequency channel other than the first frequency channel, after the starting step, a determination step for determining whether the first mode should be switched to a second mode that performs communication with higher speed than that of the first mode based on a communication state in the communication step, whether the frequency channel being used should be switched to the channel other than the first frequency channel, and whether the first mode should be continued or not, and a transmission step for transmitting a mode switching signal when it is determined to switch to the second mode, and a channel switching signal when it is determined to switch to the channel other than the first frequency channel.
摘要翻译：要解决的问题：提供能够缩短从连接处理直到数据传输开始的时间的无线通信方法。解决方案：该无线通信方法包括用于与第二无线设备进行连接处理的开始步骤，用于在重复与第二无线通信的第一周期的第一模式中进行给定时间段的通信的通信步骤在开始步骤之后，使用第一频率信道和第二周期来载波检测除了第一频率信道之外的频率信道的确定步骤，用于确定是否将第一模式切换到执行更高速度的通信的第二模式与基于通信步骤中的通信状态的第一模式相比，正在使用的频道是否应切换到除第一频道之外的频道，以及是否应该继续第一模式，以及发送步骤用于当确定切换到第二模式时发送模式切换信号，以及信道sw 确定切换到不同于第一频道的频道时的瘙痒信号。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010171816A Wireless device and method therefor 有权
标题翻译：无线设备及其方法
公开(公告)号：JP2010171816A
公开(公告)日：2010-08-05
申请号：JP2009013510
申请日：2009-01-23
申请人： Toshiba Corp , 株式会社東芝
发明人： HIRANO TATSUMA , UTSUNOMIYA YORIKO , TANDAI TOMOYA , ADACHI TOMOKO , TOSHIMITSU KIYOSHI , TAKAGI MASAHIRO
IPC分类号： H04W72/08 , H04B1/3822 , H04B1/40 , H04B7/10 , H04W16/28
摘要： PROBLEM TO BE SOLVED: To provide a wireless device that increases the capacity of a wireless system and a method therefor. SOLUTION: The wireless device carrying out communication by using a plurality of subcarriers and assuming the other wireless device as a destination includes a request signal receiving means 120 for requesting information relating to receiving conditions, a measuring means 140 for measuring an amount of interferences, a selecting means 150 for selecting a subcarrier for use in the transmission of a notification signal for notifying the amount of interference in response to the amount of interference, and a transmitting means 130 for transmitting the notification signal to the wireless device to which the request signal is transmitted by using the selected subcarrier with a lapse of a first period after request signal reception. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种增加无线系统容量的无线设备及其方法。解决方案：通过使用多个子载波进行通信并假设其他无线设备作为目的地的无线设备包括：请求信号接收装置120，用于请求与接收条件相关的信息;测量装置140，选择装置150，用于选择用于响应于干扰量的用于通知干扰量的通知信号的传输中使用的副载波;以及发送装置130，用于将通知信号发送到无线装置，请求信号在请求信号接收之后通过使用所选择的副载波经过第一周期来发送。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010141660A Wireless communication device, wireless base station, wireless terminal station, and wireless communication method 有权
标题翻译：无线通信设备，无线基站，无线终端和无线通信方法
公开(公告)号：JP2010141660A
公开(公告)日：2010-06-24
申请号：JP2008316723
申请日：2008-12-12
申请人： Toshiba Corp , 株式会社東芝
发明人： TANDAI TOMOYA , HIRANO TATSUMA , UTSUNOMIYA YORIKO , ADACHI TOMOKO , TOSHIMITSU KIYOSHI , TAKAGI MASAHIRO
IPC分类号： H04W72/04 , H04W8/20 , H04W72/08
摘要： PROBLEM TO BE SOLVED: To improve network throughput characteristics. SOLUTION: A wireless communication device 101 transmits a terminal identification information request signal 11 to wireless communication devices 102-108 in order to request transmission of a terminal identification information signal having a terminal identification field consisting of a plurality of sub-fields. At least one of the wireless communication devices 102-108 selects any one of the plurality of sub-fields on the basis of the reception intensity of the terminal identification information request signal 11 and generates one of terminal identification information signals 12-14 by setting a signal into a predetermined sub-channel in the selected sub-field so as to transmit it to the wireless communication device 101. The wireless communication device 101 detects the sub-channel, into which the signal is set, about each terminal identification information signal 12-14 and determines each wireless communication device 102, 103, and 106 as a transmission source by using sub-channel information showing the sub-channel predetermined in each wireless communication device 102-108. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提高网络吞吐量特性。解决方案：无线通信设备101向无线通信设备102-108发送终端识别信息请求信号11，以便请求具有由多个子场组成的终端识别字段的终端识别信息信号的发送。无线通信设备102-108中的至少一个基于终端识别信息请求信号11的接收强度来选择多个子场中的任一个，并通过设置终端识别信息信号12-14来生成终端识别信息信号12-14中的一个信号输入到所选择的子场中的预定子信道中，以将其发送到无线通信设备101.无线通信设备101检测信号被设置的子信道关于每个终端标识信息信号12 -14，并且通过使用表示每个无线通信设备102-108中预定的子信道的子信道信息来确定每个无线通信设备102,103和106作为发送源。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010109939A Radio communication device 审中-公开
标题翻译：无线电通信设备
公开(公告)号：JP2010109939A
公开(公告)日：2010-05-13
申请号：JP2008282409
申请日：2008-10-31
申请人： Toshiba Corp , 株式会社東芝
发明人： TOSHIMITSU KIYOSHI , TAKAGI MASAHIRO , TANDAI TOMOYA
IPC分类号： H04W16/28 , H04B7/10 , H04W28/06 , H04W84/12
CPC分类号： H04B7/0408 , H04B7/0695 , H04W16/28 , H04W72/0406
摘要： PROBLEM TO BE SOLVED: To solve a hidden terminal problem without lowering throughput.
SOLUTION: A radio communication device 1 includes a transmission frame generation unit 13 which generates a transmission frame including a first field containing a physical header having added information showing a schedule period wherein a wireless line is used for communication with a destination, and a second field following the first field and containing a payload, and a transmission and reception unit 12 which transmits the second field in a second mode wherein a directional beam is generated toward the destination after transmitting the first field in a first mode wherein a plurality of directional beams differing in direction are switched and generated so as to transmit the transmission frame.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：解决隐藏终端问题而不降低吞吐量。解决方案：无线电通信设备1包括传输帧生成单元13，其生成包括第一字段的传输帧，该第一字段包含具有附加信息的第一字段，该附加信息示出了无线线路用于与目的地通信的调度周期，以及跟随第一场并且包含有效载荷的第二场，以及在第二模式中发射第二场的发射和接收单元12，其中在以第一模式发送第一场之后朝向目的地产生定向波束，其中多个切换并产生方向不同的定向波束，以便传输传输帧。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009044650A Radio-communication device, and control program thereof 有权
标题翻译：无线电通信设备及其控制程序
公开(公告)号：JP2009044650A
公开(公告)日：2009-02-26
申请号：JP2007209836
申请日：2007-08-10
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUO AYAKO , TANDAI TOMOYA , NABEYA TOSHIHISA
IPC分类号： H04W84/12 , H04B1/40 , H04W28/00 , H04W52/02 , H04W74/08 , H04W92/10
CPC分类号： H04W76/04 , H04W52/0216 , H04W52/0219 , Y02D70/00 , Y02D70/142
摘要： PROBLEM TO BE SOLVED: To reduce power consumption of a radio-communication device while suppressing the increase in transmission delay, even when using a signal for interrupting occupation of a radio channel.
SOLUTION: The radio-communication device 11 has an analysis means 41 for analyzing a MAC header of a reception frame, a memory means 44 for storing a sender address of an interrupt signal when the reception frame is analyzed as the interrupt signal for interrupting occupation of a radio-channel, a decision means 43 for deciding whether the sender address of the reception frame is stored in the memory means 44 or not when the reception frame is destined to other radio-communication device, and a power-supply control means 43 for stopping power supply, for the rest time of the occupied period of the radio-channel which is described in the MAC header, to a demodulation means 31 and the analysis means 41 when the address of the reception frame is not stored.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使当使用用于中断无线电信道占用的信号时，也可以抑制无线电通信设备的功耗，同时抑制传输延迟的增加。解决方案：无线电通信装置11具有用于分析接收帧的MAC头的分析装置41，当接收帧被分析为中断信号时用于存储中断信号的发送方地址的存储装置44，中断无线电信道的占用，当接收帧指定给其他无线电通信装置时，用于判定接收帧的发送方地址是否存储在存储装置44中的判定装置43以及电源控制在MAC报头中描述的无线电频道的占用周期的休息时间内，当没有存储接收帧的地址时，将解调装置31和分析装置41停止供电的装置43。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008154095A Radio communication equipment and radio communication method 有权
标题翻译：无线电通信设备和无线电通信方法
公开(公告)号：JP2008154095A
公开(公告)日：2008-07-03
申请号：JP2006341617
申请日：2006-12-19
申请人： Toshiba Corp , 株式会社東芝
发明人： TANDAI TOMOYA
IPC分类号： H04J11/00
摘要： PROBLEM TO BE SOLVED: To suppress a side robe signal of a subcarrier to which a signal which leaks in a frequency band equivalent to a subcarrier which generates a null signal is assigned as low and to suppress interference given to other radio communication systems. SOLUTION: This radio communication equipment is provided with: a subcarrier signal assignment part 33 which sets null to a subcarrier under use and assigns a modulation signal to an unused subcarrrier; an inverse Fourier transform pert 34 which performs inverse Fourier transform to the respective subcarriers of null and modulation; a guard time addition part 35 which adds guard time to an inverse Fourier transform output signal; a buffer 100 which buffers a guard time added signal; a Fourier transform part 101 which performs Fourier transform to the buffered signal by a scale larger than that of the inverse Fourier transform; a zero signal reproduction part 102 which replaces a signal equivalent to the null subcarrier of the Fourier transformed signal with zero and an inverse Fourier transform part 103 which performs the inverse Fourier transform to the zero replaced signal by the same scale as that of the Fourier transform. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了抑制与产生空值信号的副载波相当的频带中泄漏的信号的副载波的侧挂信号被分配为低，并且抑制给予其他无线电通信系统的干扰。解决方案：该无线电通信设备设置有：副载波信号分配部分33，其对使用中的副载波设置为零，并将调制信号分配给未使用的副载波; 傅里叶变换傅立叶变换34，其对零和调制的各副载波进行傅立叶逆变换; 保护时间附加部分35，其对傅里叶逆变换输出信号增加保护时间; 缓冲器100，其缓冲保护时间相加信号; 傅立叶变换部101，其以比傅立叶逆变换的大小的比例对缓冲信号进行傅立叶变换; 用零取代傅立叶变换信号的无效副载波的信号的零信号再现部分102和与傅里叶变换相同的等级执行逆傅里叶变换的逆傅立叶变换部分103 。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2006115414A Radio communication apparatus and radio communication system 有权
标题翻译：无线电通信设备和无线电通信系统
公开(公告)号：JP2006115414A
公开(公告)日：2006-04-27
申请号：JP2004303268
申请日：2004-10-18
申请人： Toshiba Corp , 株式会社東芝
发明人： SEKIYA MASAHIRO , TOSHIMITSU KIYOSHI , NAKAJIMA TORU , TANDAI TOMOYA , ADACHI TOMOKO , NOUJIN KATSUYA , TAKEDA DAISUKE , AOKI TSUGUHIDE
IPC分类号： H04J99/00 , H04B1/38 , H04B7/04 , H04B7/06 , H04B7/26
CPC分类号： H04B7/0877 , H04B7/0693 , H04B7/0874 , Y02D70/00 , Y02D70/142 , Y02D70/444
摘要： PROBLEM TO BE SOLVED: To provide a radio communication apparatus capable of realizing a low power consumption control. SOLUTION: The radio communication apparatus includes M (M is an integer of ≥2) receiving units 430-433 comprising receiving antennas 400-403, respectively, and a base band processing unit 440 for processing reception signals received by the M receiving units. Furthermore, the radio communication apparatus includes a frame analysis unit 450 for analyzing frames of the reception signals, and a selection unit 460 for selecting a receiving unit to be used out of the M receiving units. The selection unit selects P (P is an integer of ≥0 and ≤M) receiving units out of the M receiving units based on a result of analysis due to the frame analysis unit. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供能够实现低功耗控制的无线通信装置。解决方案：无线电通信装置包括分别包括接收天线400-403的M（M为≥2的整数）接收单元430-433和用于处理由M接收接收的接收信号的基带处理单元440 单位。此外，无线电通信装置包括用于分析接收信号的帧的帧分析单元450和用于从M个接收单元中选择要使用的接收单元的选择单元460。选择单元基于由帧分析单元分析的结果，从M个接收单元中选择P（P为≥0和≤M的整数）接收单元。版权所有（C）2006，JPO＆NCIPI

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