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    • 1. 发明申请
    • MOBILE COMMUNICATION TERMINAL AND CONTROL METHOD THEREFOR
    • 移动通信终端及其控制方法
    • US20100208784A1
    • 2010-08-19
    • US12707189
    • 2010-02-17
    • Hidetoshi SUZUKITakashi OkadaShinsuke OgawaShinya Oka
    • Hidetoshi SUZUKITakashi OkadaShinsuke OgawaShinya Oka
    • H04B17/00H04K1/10
    • H04W52/029Y02D70/00
    • A determiner determines whether or not a mobile communication terminal is in a standby mode. A fast Fourier transform calculator demodulates a signal which is received at the mobile communication terminal. A controller causes the fast Fourier transform calculator to vary at least one of a frequency range for fast Fourier transform or a number of frequency samples used by the fast Fourier transform calculator, depending on determination by the determiner. Preferably, the controller is adapted to cause the fast Fourier transform calculator to vary at least one of the frequency range for fast Fourier transform or the number of frequency samples used by the fast Fourier transform calculator based on information about frequencies used in communication from a radio base station to the mobile communication terminal and notified from the radio base station.
    • 确定器确定移动通信终端是否处于待机模式。 快速傅里叶变换计算器解调在移动通信终端处接收的信号。 取决于确定器的确定,控制器使快速傅里叶变换计算器改变用于快速傅里叶变换的频率范围或快速傅里叶变换计算器使用的频率样本数中的至少一个。 优选地,控制器适于使快速傅里叶变换计算器基于关于来自无线电的通信中使用的频率的信息来改变快速傅里叶变换的频率范围或快速傅立叶变换计算器使用的频率样本的数量中的至少一个 基站到移动通信终端,并从无线基站通知。
    • 2. 发明授权
    • Mobile communication terminal and control method therefor
    • 移动通信终端及其控制方法
    • US08428189B2
    • 2013-04-23
    • US12707189
    • 2010-02-17
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaShinya Oka
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaShinya Oka
    • H03K9/00H04L27/06H04L1/02
    • H04W52/029Y02D70/00
    • A determiner determines whether or not a mobile communication terminal is in a standby mode. A fast Fourier transform calculator demodulates a signal which is received at the mobile communication terminal. A controller causes the fast Fourier transform calculator to vary at least one of a frequency range for fast Fourier transform or a number of frequency samples used by the fast Fourier transform calculator, depending on determination by the determiner. Preferably, the controller is adapted to cause the fast Fourier transform calculator to vary at least one of the frequency range for fast Fourier transform or the number of frequency samples used by the fast Fourier transform calculator based on information about frequencies used in communication from a radio base station to the mobile communication terminal and notified from the radio base station.
    • 确定器确定移动通信终端是否处于待机模式。 快速傅里叶变换计算器解调在移动通信终端处接收的信号。 取决于确定器的确定,控制器使快速傅里叶变换计算器改变用于快速傅里叶变换的频率范围或快速傅里叶变换计算器使用的频率样本数中的至少一个。 优选地,控制器适于使快速傅里叶变换计算器基于关于来自无线电的通信中使用的频率的信息来改变快速傅里叶变换的频率范围或快速傅立叶变换计算器使用的频率样本的数量中的至少一个 基站到移动通信终端,并从无线基站通知。
    • 3. 发明授权
    • Communication device and communication method
    • 通信设备和通信方式
    • US08175060B2
    • 2012-05-08
    • US12596259
    • 2008-03-26
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • H04W4/00H04K3/00
    • H04W36/30H04B17/318H04B17/382
    • A communication device and a communication method capable of implementing high-speed and high-quality communication processing such as handover. A mobile communication terminal is configured such that, in cases where it is judged by a power measurement unit that a reception signal received by a communication unit is equal to or less than a predetermined value, a frequency conversion unit performs computation by expanding a frequency range for performing time/frequency conversion with respect to the received reception signal. Further, a frequency measurement unit measures reception strength of reception signals in the expanded frequency range, and detects a frequency of, among the measured signals, a signal with a reception strength higher than a predetermined reception strength, and the communication unit executes connection processing by using the signal of this frequency.
    • 能够实现诸如切换的高速和高质量通信处理的通信设备和通信方法。 移动通信终端被配置为使得在由功率测量单元判断由通信单元接收的接收信号等于或小于预定值的情况下,频率转换单元通过扩展频率范围来执行计算 用于对接收的接收信号执行时间/频率转换。 此外,频率测量单元测量扩展频率范围内的接收信号的接收强度,并且检测测量信号中具有高于预定接收强度的接收强度的信号的频率,并且通信单元执行通过 使用这个频率的信号。
    • 4. 发明申请
    • COMMUNICATION DEVICE AND COMMUNICATION METHOD
    • 通信设备和通信方法
    • US20100144297A1
    • 2010-06-10
    • US12596259
    • 2008-03-26
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • Hidetoshi SuzukiTakashi OkadaShinsuke OgawaMasayuki Furusawa
    • H04B1/16H04B17/00
    • H04W36/30H04B17/318H04B17/382
    • A communication device and a communication method capable of implementing high-speed and high-quality communication processing such as handover. A mobile communication terminal is configured such that, in cases where it is judged by a power measurement unit that a reception signal received by a communication unit is equal to or less than a predetermined value, a frequency conversion unit performs computation by expanding a frequency range for performing time/frequency conversion with respect to the received reception signal. Further, a frequency measurement unit measures reception strength of reception signals in the expanded frequency range, and detects a frequency of, among the measured signals, a signal with a reception strength higher than a predetermined reception strength, and the communication unit executes connection processing by using the signal of this frequency.
    • 能够实现诸如切换的高速和高质量通信处理的通信设备和通信方法。 移动通信终端被配置为使得在由功率测量单元判断由通信单元接收的接收信号等于或小于预定值的情况下,频率转换单元通过扩展频率范围来执行计算 用于对接收的接收信号执行时间/频率转换。 此外,频率测量单元测量扩展频率范围内的接收信号的接收强度,并且检测测量信号中具有高于预定接收强度的接收强度的信号的频率,并且通信单元执行通过 使用这个频率的信号。
    • 5. 发明授权
    • Radio communication apparatus
    • 无线通信装置
    • US08983401B2
    • 2015-03-17
    • US13514327
    • 2010-12-01
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04B1/38H04B1/18H04B1/50H04B1/00
    • H04B1/50H04B1/005H04B1/18
    • A communication apparatus includes a radio portion (100) configured to transmit a modulated transmission signal and to receive a modulated reception signal. The radio portion (100) includes a transmission and reception antenna (103) configured to transmit the modulated transmission signal and to receive the modulated reception signal; a reception antenna (105) configured to receive the modulated reception signal; a transmission filter (107) interposed between a modulation and demodulation circuit (101) and the transmission and reception antenna (103), and configured to pass the modulated transmission signal; a reception filter (109) interposed between the transmission and reception antenna (103) and the modulation and demodulation circuit (101) and between the reception antenna (105) and the modulation and demodulation circuit (101), and configured to pass the modulated reception signal; a first circulator (111) configured to direct the modulated reception signal from the transmission and reception antenna (103) to the reception filter (109); and a second circulator (113) configured to direct the modulated reception signal from the reception antenna (105) to the reception filter (109).
    • 通信装置包括被配置为发送调制的发送信号并且接收经调制的接收信号的无线电部分(100)。 无线电部分(100)包括发送和接收天线(103),其被配置为发送调制的发送信号并且接收调制的接收信号; 接收天线(105),被配置为接收所述经调制的接收信号; 插入在调制解调电路(101)和发送接收天线(103)之间的发送滤波器(107),被配置为通过调制的发送信号; 插入发送接收天线(103)和调制解调电路(101)之间以及接收天线(105)和调制解调电路(101)之间的接收滤波器(109),并且被配置为使调制接收 信号; 被配置为将来自发送和接收天线(103)的调制接收信号引导到接收滤波器(109)的第一循环器(111); 以及第二循环器(113),被配置为将来自接收天线(105)的调制接收信号引导到接收滤波器(109)。
    • 6. 发明授权
    • Radio communication terminal
    • 无线电通信终端
    • US08879499B2
    • 2014-11-04
    • US13512397
    • 2010-11-24
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04W4/00H04B1/04H04B1/00
    • H04B1/0483H04B1/0057H04B1/0067
    • A mobile communication terminal (100) has a path (T1) that supplies first and second upward link modulated transmission signals from a modulator-demodulator circuit (200) via a transmission filter (110A) to an adder (150), and a path (T2) that supplies signals via transmission filter (110B) to adder (150) depending on frequencies of signals. The adder (150) adds transmission signals supplied from the path (T1) and from the path (T2) and simultaneously sends them out via a transmitting and receiving antenna (101). The mobile communication terminal (100) supplies first and second forward link modulated reception signals received by transmitting and receiving antenna (101) via a reception filter (120) to the modulator-demodulator circuit (200).
    • 移动通信终端(100)具有通过发送滤波器(110A)向加法器(150)向调制解调器电路(200)提供第一和第二上行链路调制的发送信号的路径(T1) T2),其根据信号的频率经由发送滤波器(110B)向加法器(150)提供信号。 加法器(150)添加从路径(T1)和路径(T2)提供的传输信号,并且经由发送和接收天线(101)同时发送它们。 移动通信终端(100)经由接收滤波器(120)向调制解调器电路(200)提供由发送接收天线(101)接收的第一和第二前向链路调制接收信号。
    • 7. 发明授权
    • Radio communication terminal
    • 无线电通信终端
    • US08768410B2
    • 2014-07-01
    • US13511296
    • 2010-11-24
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04M1/00
    • H04B1/525H04B1/0053H04B1/0067
    • A mobile communication terminal (100) has a switch (140A) that switches to either a path (T2) that supplies a transmission signal from a modulator-demodulator circuit (200) to a transmitting and receiving antenna (101) via a transmission filter (110A) and via a notch filter (120A) or a path (T1) that supplies the transmission signal to transmitting and receiving antenna (101) via the transmission filter (110A) and a switch (140B) that switches to either a path (R2) that supplies a reception signal from transmitting and receiving antenna (101) to the modulator-demodulator circuit (200) via a reception filter (110B) and a notch filter (120B) or a path (R1) that supplies the reception signal to the modulator-demodulator circuit (200) via the reception filter (110B).
    • 移动通信终端(100)具有开关(140A),其切换到经由发送滤波器(200)向调制解调器电路(200)向发送和接收天线(101)提供发送信号的路径(T2) 110A)和经由发送滤波器(110A)向发送和接收天线(101)提供发送信号的通过陷波滤波器(120A)或路径(T1)和切换到路径(R2)的开关(140B) ),经由接收滤波器(110B)和陷波滤波器(120B)或将接收信号提供给路径(R1)的发送和接收天线(101)的接收信号提供给调制器 - 解调器电路(200) 调制器 - 解调器电路(200)。
    • 8. 发明申请
    • WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD
    • 无线通信设备和无线通信方法
    • US20130034185A1
    • 2013-02-07
    • US13520941
    • 2011-01-07
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04L25/06
    • H04B1/0475
    • A wireless communication device includes a mixer that multiplies quadrature-modulated transmission data by a local oscillation frequency signal and outputs a high-frequency signal; a distributor that distributes the high-frequency signal; a detector circuit that detects a direct current component included in the high-frequency signal, based on the high-frequency signal distributed by the distributor; a correction signal generating unit that generates a correction signal for removing the direct current component from the high-frequency signal, based on the direct current component detected by the detector circuit; a correction unit that corrects the high-frequency signal by the correction signal generated by the correction signal generating unit; and a transmission unit that transmits the high-frequency signal that has been corrected by the correction unit.
    • 一种无线通信装置包括:将正交调制的发送数据乘以本地振荡频率信号并输出​​高频信号的混合器; 分配高频信号的分配器; 检测器电路,其基于由所述分配器分配的高频信号来检测包括在所述高频信号中的直流分量; 校正信号生成单元,基于由检测器电路检测到的直流分量,生成用于从高频信号中去除直流分量的校正信号; 校正单元,其通过由校正信号生成单元生成的校正信号校正高频信号; 以及发送单元,其发送由校正单元校正的高频信号。
    • 9. 发明申请
    • RADIO COMMUNICATION TERMINAL
    • 无线电通信终端
    • US20120231751A1
    • 2012-09-13
    • US13511296
    • 2010-11-24
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04B1/44
    • H04B1/525H04B1/0053H04B1/0067
    • A mobile communication terminal (100) has a switch (140A) that switches to either a path (T2) that supplies a transmission signal from a modulator-demodulator circuit (200) to a transmitting and receiving antenna (101) via a transmission filter (110A) and via a notch filter (120A) or a path (T1) that supplies the transmission signal to transmitting and receiving antenna (101) via the transmission filter (110A) and a switch (140B) that switches to either a path (R2) that supplies a reception signal from transmitting and receiving antenna (101) to the modulator-demodulator circuit (200) via a reception filter (110B) and a notch filter (120B) or a path (R1) that supplies the reception signal to the modulator-demodulator circuit (200) via the reception filter (110B).
    • 移动通信终端(100)具有开关(140A),其切换到经由发送滤波器(200)向调制解调器电路(200)向发送和接收天线(101)提供发送信号的路径(T2) 110A)和经由发送滤波器(110A)向发送和接收天线(101)提供发送信号的通过陷波滤波器(120A)或路径(T1)和切换到路径(R2)的开关(140B) ),经由接收滤波器(110B)和陷波滤波器(120B)或将接收信号提供给路径(R1)的发送和接收天线(101)的接收信号提供给调制器 - 解调器电路(200) 调制器 - 解调器电路(200)。
    • 10. 发明授权
    • Wireless communication device and wireless communication method
    • 无线通信设备和无线通信方式
    • US08861641B2
    • 2014-10-14
    • US13520941
    • 2011-01-07
    • Shinya OkaTakashi Okada
    • Shinya OkaTakashi Okada
    • H04L25/06H04B1/04
    • H04B1/0475
    • A wireless communication device includes a mixer that multiplies quadrature-modulated transmission data by a local oscillation frequency signal and outputs a high-frequency signal; a distributor that distributes the high-frequency signal; a detector circuit that detects a direct current component included in the high-frequency signal, based on the high-frequency signal distributed by the distributor; a correction signal generating unit that generates a correction signal for removing the direct current component from the high-frequency signal, based on the direct current component detected by the detector circuit; a correction unit that corrects the high-frequency signal by the correction signal generated by the correction signal generating unit; and a transmission unit that transmits the high-frequency signal that has been corrected by the correction unit.
    • 一种无线通信装置包括:将正交调制的发送数据乘以本地振荡频率信号并输出​​高频信号的混合器; 分配高频信号的分配器; 检测器电路,其基于由所述分配器分配的高频信号来检测包括在所述高频信号中的直流分量; 校正信号生成单元,基于由检测器电路检测到的直流分量,生成用于从高频信号中去除直流分量的校正信号; 校正单元,其通过由校正信号生成单元生成的校正信号校正高频信号; 以及发送单元,其发送由校正单元校正的高频信号。