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    • 41. 发明申请
    • COMMUNICATION APPARATUS AND METHOD
    • 通信设备和方法
    • US20120075743A1
    • 2012-03-29
    • US13071574
    • 2011-03-25
    • Tomoya Horiguchi
    • Tomoya Horiguchi
    • G06F12/00G06F12/02G11B21/02
    • H04L47/18G06F1/3278H04L47/266H04L47/30H04L49/9084Y02D10/157Y02D50/10
    • According to one embodiment, a communication apparatus includes a storage unit, a state detecting unit, a communication unit, and a communication control unit. The storage unit configured to store information. The state detecting unit configured to detect, at least one time during an operation of the communication apparatus, whether the storage unit is in a busy state in which no data writing is allowed, or in a ready state in which data writing is allowed. The communication unit configured to perform communication with a destination communication apparatus. The communication control unit configured to control the communication unit to inform the destination communication apparatus that a data receiving operation is stopped for a first time period, if the state detection unit detects that the storage unit has entered the busy state.
    • 根据一个实施例,通信设备包括存储单元,状态检测单元,通信单元和通信控制单元。 被配置为存储信息的存储单元。 所述状态检测单元被配置为在所述通信装置的操作期间至少一次检测所述存储单元是否处于不允许数据写入的忙状态或者允许数据写入的就绪状态。 所述通信单元被配置为执行与目的地通信装置的通信。 通信控制单元,被配置为如果状态检测单元检测到存储单元已经进入忙碌状态,则控制通信单元通知目的地通信设备数据接收操作第一时间段停止。
    • 42. 发明授权
    • Cognitive radio system
    • 认知无线电系统
    • US07917110B2
    • 2011-03-29
    • US11790855
    • 2007-04-27
    • Tomoya HoriguchiHiroshi YoshidaTazuko TomiokaKatsuya NoninRen Sakata
    • Tomoya HoriguchiHiroshi YoshidaTazuko TomiokaKatsuya NoninRen Sakata
    • H04B1/18
    • H04W16/14H04W24/00H04W48/08H04W88/14
    • A cognitive radio system includes: a state detecting device that scans a frequency band allocated to another radio system than the cognitive radio system to detect a first use-state of the frequency band; a first server including a first gathering unit that receives first information relating to the first use-state and a second gathering unit; a second server that stores a second use-state of the frequency band allocated to the other radio system, the second server configured to provide second information relating to the second use-state to the second gathering unit; and a notifying unit that notifies a terminal device in the cognitive radio system of information of an available channel based on the first information and the second information.
    • 认知无线电系统包括:状态检测装置,其扫描分配给不同于认知无线电系统的另一无线电系统的频带,以检测频带的第一使用状态; 第一服务器,包括接收与第一使用状态有关的第一信息的第一收集单元和第二收集单元; 第二服务器,其存储分配给另一无线电系统的频带的第二使用状态,所述第二服务器被配置为向所述第二收集单元提供与所述第二使用状态有关的第二信息; 以及通知单元,其基于所述第一信息和所述第二信息,向所述认知无线系统中的终端设备通知可用信道的信息。
    • 43. 发明授权
    • Wireless communication apparatus and wireless communication method
    • 无线通信装置和无线通信方法
    • US07738529B2
    • 2010-06-15
    • US11469099
    • 2006-08-31
    • Tomoya Horiguchi
    • Tomoya Horiguchi
    • H04B1/00
    • H04B1/715H04B2001/7154
    • There is provided with there is provided with a wireless communication method using a frequency hopping scheme, which performs wireless communication with a different wireless communication apparatus by using a plurality of frequency bands, including: measuring interference quantities showing strength of interference signals in respective frequency bands; selecting a hopping pattern from a plurality of hopping patterns each having hopping densities set for the respective frequency bands on the basis of the interference quantities in the respective frequency bands, the hopping densities being the number of times that transmission is performed per unit time in the respective frequency bands; notifying the different wireless communication apparatus of the selected hopping pattern; and communicating with the different wireless communication apparatus by using the selected hopping patter.
    • 提供了一种使用跳频方式的无线通信方法,其通过使用多个频带来执行与不同的无线通信装置的无线通信,包括:测量表示各频带中的干扰信号的强度的干扰量 ; 基于各个频带中的干扰量从多个跳频模式中选择跳频模式,每个跳频模式具有针对各个频带设置的跳频密度,跳频密度是在每个频带中每单位时间进行发送的次数 各频带; 向不同的无线通信装置通知所选择的跳频图案; 以及通过使用所选择的跳频图案与不同的无线通信装置进行通信。
    • 45. 发明申请
    • Radio communication device, radio communication method, and radio communication program
    • 无线电通信设备,无线电通信方法和无线电通信程序
    • US20070183392A1
    • 2007-08-09
    • US11583134
    • 2006-10-19
    • Tomoya TandaiNoritaka DeguchiTomoya HoriguchiTazuko TomiokaTakeshi Tomizawa
    • Tomoya TandaiNoritaka DeguchiTomoya HoriguchiTazuko TomiokaTakeshi Tomizawa
    • H04J3/06
    • H04W16/14H04W52/245
    • A terminal station radio communication device belongs to a second radio communication system which shares a frequency channel with a first radio communication system in which a radio terminal station communicates with a radio base station in a predetermined time period using a predetermined frequency channel. The terminal station radio communication device includes: a transmission power determining unit which sets up signal transmission power, the signal transmission power being usable for communications between radio communication devices belonging to the second radio communication system, and being determined such that reception power at the radio base station is below a predetermined threshold; a synchronizer enabling the radio terminal station to obtain timing information to start signal transmission; and a signal transmitter starting transmitting the signal at the timing represented by the timing information and terminating the signal transmission within a predetermined time period.
    • 终端站无线电通信装置属于第二无线电通信系统,该第二无线电通信系统与第一无线电通信系统共享频道,其中无线电终端站在预定时间段内使用预定的频道与无线电基站进行通信。 终端无线电通信装置包括:发送功率确定单元,其设置信号发送功率,该信号发送功率可用于属于第二无线电通信系统的无线电通信装置之间的通信,并且被确定为使得无线电的接收功率 基站低于预定阈值; 同步器,使得无线电终端站能够获得定时信息以开始信号传输; 以及信号发送器,在由定时信息表示的定时处开始发送信号,并在预定的时间段内终止信号传输。
    • 47. 发明申请
    • Radio communication system, radio transmission apparatus and radio reception apparatus
    • 无线通信系统,无线发送装置和无线接收装置
    • US20060234628A1
    • 2006-10-19
    • US11375094
    • 2006-03-15
    • Tomoya HoriguchiKoji Ogura
    • Tomoya HoriguchiKoji Ogura
    • H04B7/24
    • H04L1/1893H04L1/0003H04L1/0006H04L1/0007H04L1/0009H04L1/0025H04L1/04H04L1/1809H04L5/0007H04L5/0046H04L5/0048H04L5/006H04L27/2647
    • Radio communication system includes radio transmitter containing unit dividing transmission data into first-code blocks each having N-bit data, unit adding error detection codes to first-code blocks, unit assigning first-code blocks to second-code blocks each including M carriers each having L symbols, and unit transmitting second-code blocks, and radio receiver containing unit receiving second-code blocks, unit converting second-code blocks into first-code blocks, based on values of M and L, unit subjecting first-coded blocks to error correction decoding, unit detecting error of code block of first-code blocks subjected to error correction decoding, unit generating retransmission-request signal for requesting retransmission of code block including error, if error is detected, and unit transmitting retransmission-request signal, and radio transmitter further containing unit receiving retransmission-request signal from radio receiver, unit counting number of times of reception of retransmission-request signal, and unit changing values of M and L in accordance with counted number.
    • 无线电通信系统包括:无线电发射机,其包含将发送数据划分为具有N位数据的第一码块的单元,将第一码块添加误差检测码的单位,将第一码块分配给每个包括M个载波的第二码块 具有L个符号和发送第二代码块的单元,以及接收第二代码块的无线电接收机包含单元,基于M和L的值将第二代码块单元转换为第一代码块,将第一编码块 误差校正解码,进行纠错解码的第一码块的码块的单位检测误差,产生重发请求信号的单位产生重发请求重发包含错误的码块,检测到错误,单位发送重发请求信号,以及 无线电发射机进一步包含从无线电接收机接收重发请求信号的单元,单元计数重新接收的次数 分配请求信号,以及根据计数的M和L的单位变化值。
    • 49. 发明申请
    • Uplink interference cancellation
    • 上行干扰消除
    • US20060050662A1
    • 2006-03-09
    • US11159345
    • 2005-06-23
    • Khurram RizviYuk ChowTomoya Horiguchi
    • Khurram RizviYuk ChowTomoya Horiguchi
    • H04B7/216
    • H04J13/0003H04B1/7105H04J13/0044
    • The present invention relates to wireless communication between a mobile terminal and a base station, and the use of interference cancellation in the uplink. The present invention is particularly but not exclusively concerned with 3G or UTRAN applications. In general terms the present invention provides a method of improving the performance of a CDMA based wireless network, such as a 3G cellular network for example. Interference cancellation is effectively performed earlier by using the channel request such as a reservation packet from a mobile terminal to estimate interference from that mobile on existing mobile users and interference on the mobile from existing mobile users, by determining the relative transmission timing of the new mobiles channel request compared with the transmission timings of the existing mobiles. This allows the base station to determine the cross-correlation between the codes already assigned to the existing users and the code to be allocated to the new user in order to determine an interference measure. This interference can then be cancelled from the new mobile when its data packets are received.
    • 本发明涉及移动终端与基站之间的无线通信,以及在上行链路中使用干扰消除。 本发明特别但不排他地涉及3G或UTRAN应用。 一般来说,本发明提供了一种改进例如3G蜂窝网络的基于CDMA的无线网络的性能的方法。 通过使用诸如来自移动终端的预留分组的信道请求,通过确定新移动台的相对传输定时来早期有效地执行干扰消除,以通过确定来自现有移动用户的来自该移动的现有移动用户的干扰和对现有移动用户对移动台的干扰 信道请求与现有手机的传输定时相比。 这允许基站确定已经分配给现有用户的代码与要分配给新用户的代码之间的互相关,以便确定干扰措施。 然后,当其接收到数据分组时,可以从新的移动台取消该干扰。