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    • 3. 发明专利
    • 無線端末および無線通信方法
    • 无线电终端和无线电通信方法
    • JP2014222895A
    • 2014-11-27
    • JP2014126588
    • 2014-06-19
    • 株式会社東芝Toshiba Corp
    • ADACHI TOMOKONAKAJIMA TORU
    • H04L29/08
    • 【課題】複数のチャネルにまたがってフレーム送信を行う際に柔軟な送信器構成を許容しつつ受信側でフレームを順序どおりに受け付けられるようにする無線端末および無線通信方法を提供する。【解決手段】送信すべきフレームの振り分け処理を行うフレーム振り分け部と、振り分けられたフレームにシーケンス番号を付与して第1チャネルまたは第1モードで送信する第1の通信部と、第2チャネルまたは第2モードで送信する第2の通信部とを備えるフレーム振り分け部は、第1および第2の通信部のうち一方に振り分け、フレームの送信元を一方の通信部から他方の通信部へ変更する場合、他方の通信部により送信開始するシーケンス番号である送信開始シーケンス番号を含む変更通知フレームを、他の無線端末に送信し、フレームの振り分け先を一方の通信部から他方の通信部へ切り替える。【選択図】図7
    • 要解决的问题:提供一种无线终端,能够根据接收侧的顺序接收帧,同时在通过多个信道执行帧传输时允许灵活的发射机配置,以及无线电通信方法。解决方案:无线电终端包括 :帧分配单元,用于执行要发送的帧的分配处理; 第一通信部分,用于在向帧提供序列号之后,在第一信道或第一模式中发送分布式帧; 以及第二通信部分,用于在第二信道或第二模式中发送分布式帧。 当将帧分配到第一和第二通信部分之一并将帧的发送源从一个通信部分改变到另一个通信部分时,帧分配部分发送包括作为序列的发送开始序列号的改变通知帧 号码,开始由另一通信部分发送到另一个无线电终端,并将帧的分发目的地从一个通信部分切换到另一个通信部分。
    • 4. 发明专利
    • Radio communication device and radio communication method
    • 无线电通信设备和无线电通信方法
    • JP2013146111A
    • 2013-07-25
    • JP2013093682
    • 2013-04-26
    • Toshiba Corp株式会社東芝
    • ADACHI TOMOKOSAKA KOICHIROTANDAI TOMOYAKASAMI HIDEO
    • H04W74/08H04W84/10
    • 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.
    • 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。
    • 5. 发明专利
    • Wireless device and method therefor
    • 无线设备及其方法
    • JP2010171816A
    • 2010-08-05
    • JP2009013510
    • 2009-01-23
    • Toshiba Corp株式会社東芝
    • HIRANO TATSUMAUTSUNOMIYA YORIKOTANDAI TOMOYAADACHI TOMOKOTOSHIMITSU KIYOSHITAKAGI MASAHIRO
    • H04W72/08H04B1/3822H04B1/40H04B7/10H04W16/28
    • 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
    • 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
    • Wireless communication device, wireless base station, wireless terminal station, and wireless communication method
    • 无线通信设备,无线基站,无线终端和无线通信方法
    • JP2010141660A
    • 2010-06-24
    • JP2008316723
    • 2008-12-12
    • Toshiba Corp株式会社東芝
    • TANDAI TOMOYAHIRANO TATSUMAUTSUNOMIYA YORIKOADACHI TOMOKOTOSHIMITSU KIYOSHITAKAGI MASAHIRO
    • H04W72/04H04W8/20H04W72/08
    • 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
    • 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
    • 8. 发明专利
    • Wireless communication system and wireless communication device
    • 无线通信系统和无线通信设备
    • JP2008060711A
    • 2008-03-13
    • JP2006232508
    • 2006-08-29
    • Toshiba Corp株式会社東芝
    • NAKAJIMA TORUADACHI TOMOKOSAKAMOTO TAKEFUMI
    • H04L12/28H04W84/20
    • PROBLEM TO BE SOLVED: To provide a wireless communication system and a wireless communication device which can appropriately select a terminal to be operated as a wireless base station in accordance with terminal placement.
      SOLUTION: The wireless communication system includes a plurality of first wireless communication devices capable of operating as a radio base station; a transmission means which transmits an investigation request frame, including an address of a wireless communication device to be investigated, to the plurality of first wireless communication devices; a reception means which receives investigation results which are obtained, by transmitting a test frame to the address from the plurality of first wireless communication devices, in response to reception of the investigation request frame and show the numbers of terminals which the plurality of first wireless communication devices can communicate with, respectively; and a base station selection means which selects the first wireless communications device capable of communicating with the largest number of terminals, among the plurality of first wireless communication devices as the base station, on the basis of the investigation results.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种无线通信系统和无线通信设备,其可以根据终端布置适当地选择要作为无线基站操作的终端。 解决方案:无线通信系统包括能够作为无线基站工作的多个第一无线通信装置; 发送装置,其向所述多个第一无线通信装置发送包括要研究的无线通信装置的地址的调查请求帧; 接收装置,用于响应于接收到调查请求帧而接收到从多个第一无线通信装置的地址发送测试帧,并且显示多个第一无线通信的终端的数量,接收所获得的调查结果 设备可以分别进行通信; 以及基站选择装置,其基于调查结果,选择作为基站的多个第一无线通信装置中能够与最大数量的终端进行通信的第一无线通信装置。 版权所有(C)2008,JPO&INPIT