-
公开(公告)号：US20050111402A1
公开(公告)日：2005-05-26
申请号：US10779575
申请日：2004-02-13
申请人： Manabu Sawada , Shigeki Kawai , Hiroshi Harada , Masayuki Fujise
发明人： Manabu Sawada , Shigeki Kawai , Hiroshi Harada , Masayuki Fujise
CPC分类号： H04W72/1257 , H04L1/188 , H04L5/0005 , H04L5/0055
摘要： In a radio communication system, a base station sends each of n send packets to a terminal station in parallel through n channels as they are in packet unit instead of dividing each of n send packets to send the same to the terminal station. It is possible in the base station to eliminate the need for a processing of dividing send packets and processing of resending divided send packets. It is also possible in the terminal station to eliminate the need of a configuration for receiving the divided send packets.
摘要翻译： 在无线通信系统中，基站通过n个信道并行地将n个发送分组中的每一个发送到终端站，而不是将n个发送分组中的每一个发送到终端站。 在基站中可以消除对分组发送分组的处理和重发分组发送分组的处理的需要。 终端也可以不需要用于接收划分的发送分组的配置。
-
2.发明授权公开(公告)号：US07006430B2
公开(公告)日：2006-02-28
申请号：US09865165
申请日：2001-05-24
申请人： Hiroshi Harada , Masayuki Fujise , Ryuuhei Funada , Manabu Sawada
发明人： Hiroshi Harada , Masayuki Fujise , Ryuuhei Funada , Manabu Sawada
IPC分类号： H04J11/00
CPC分类号： H04L25/0212 , H04L25/0204 , H04L27/2647
摘要： A receiving section outputs a received signal. An estimation section estimates transmission path characteristics, using the received signal and a modulated data signal. A compensation section outputs a compensated data signal, using the received signal and the transmission path characteristics. A demodulation section demodulates a modulated data signal, using the compensated data signal. A modulation section modulates a modulated data signal, using the demodulated data signal. The estimation section begins the estimation by comparing a result obtained by modulating known-data and a known-data portion of the received signal. The compensation section compensates for a non-compensated data signal portion, using the estimated transmission path characteristics.
-
公开(公告)号：US07003301B2
公开(公告)日：2006-02-21
申请号：US09953429
申请日：2001-09-17
申请人： Manabu Sawada , Masahiro Kuwabara , Yutaka Aoki , Minoru Okada , Hiroshi Harada , Masayuki Fujise
发明人： Manabu Sawada , Masahiro Kuwabara , Yutaka Aoki , Minoru Okada , Hiroshi Harada , Masayuki Fujise
CPC分类号： H04W16/32
摘要： A Micro-cell is formed to include a plurality of spot-cells. Communication is executed between a micro-cell base station and a mobile terminal in the micro-cell, and between a spot-cell base station and the mobile terminal in the spot cell. The micro-cell base station and spot-cell base stations are connected to an integrated base station. A signal transmitted to the micro-cell base station from the mobile terminal is transferred to the integrated base station and information transmitted to the mobile terminal is transferred to the micro-cell base station and/or spot-cell base station from the integrated base station. The respective integrated base stations are connected to a server via a dedicated backbone to enable a large-capacity transmission.
-
公开(公告)号：US07313180B2
公开(公告)日：2007-12-25
申请号：US10789672
申请日：2004-02-27
申请人： Hiroshi Harada , Masayuki Fujise , Ryuuhei Funada , Manabu Sawada
发明人： Hiroshi Harada , Masayuki Fujise , Ryuuhei Funada , Manabu Sawada
IPC分类号： H03H7/30
CPC分类号： H04L25/03159 , H04L25/0202 , H04L2025/03414 , H04L2025/03522 , H04L2025/03783
摘要： A receiving unit of a receiving device receives a signal arriving thereto through a transmission path as a reception signal. A delay unit outputs a delay signal obtained by delaying the reception signal by a predetermined delay time. An estimation unit estimates a transmission path characteristic. An equalizer/demodulator compensates for the delay signal with the transmission path characteristic, demodulates the compensation result, and outputs the demodulation result as a transmission signal. A replica unit compensates for the reception signal with the transmission path characteristic, demodulates the compensation result, modulates the demodulation result, and outputs the modulation result as a replica signal. The estimation unit estimates a transmission path characteristic by comparing the reception signal with the replica signal. The predetermined delay time is equal to or smaller than a time required for the processes by the replica unit and the estimation unit.
摘要翻译： 接收装置的接收单元通过传输路径接收到达其的信号作为接收信号。 延迟单元输出通过将接收信号延迟预定延迟时间而获得的延迟信号。 估计单元估计传输路径特性。 均衡器/解调器用传输路径特性补偿延迟信号，解调补偿结果，并输出解调结果作为传输信号。 复制单元用传输路径特性补偿接收信号，解调补偿结果，调制解调结果，并输出调制结果作为复制信号。 估计单元通过将接收信号与复制信号进行比较来估计传输路径特性。 预定延迟时间等于或小于复制单元和估计单元处理所需的时间。
-
5.发明授权公开(公告)号：US07136426B2
公开(公告)日：2006-11-14
申请号：US10020164
申请日：2001-12-18
申请人： Minoru Okada , Yutaka Aoki , Manabu Sawada , Masahiro Kuwabara , Hiroshi Harada , Masayuki Fujise
发明人： Minoru Okada , Yutaka Aoki , Manabu Sawada , Masahiro Kuwabara , Hiroshi Harada , Masayuki Fujise
CPC分类号： H04L27/08 , H04B10/25752 , H04L27/10
摘要： A vehicle-vehicle communication system includes an in-vehicle wire LAN established in a vehicle. The in-vehicle wire LAN includes a plurality of devices connected by optical fiber links. A terminal for radio vehicle-vehicle communication is connected to the in-vehicle wire LAN by the optical fiber link. The terminal receives an optical digital signal in a predetermined format from the in-vehicle wire LAN. The terminal includes a light controlled oscillator and applies the received optical signal to the light controlled oscillator. The light controlled oscillator outputs a transmission signal of a frequency shifted from a predetermined frequency according to the intensity of the applied optical signal. Thus the terminal generates the transmission signal using FSK-modulation technique without converting the format of the optical signal into another format. The transmission signal is transmitted to a device in another vehicle via radio waves.
-
6.发明授权Receiving apparatus, receiving method, program and information recording medium 有权接收装置，接收方法，程序和信息记录介质公开(公告)号：US06959052B2
公开(公告)日：2005-10-25
申请号：US10092697
申请日：2002-03-06
CPC分类号： H04L27/2647 , H04L25/0204 , H04L25/022 , H04L25/0224 , H04L2025/03414
摘要： A channel evaluator acquires a change predicted value from a known symbol, and a compensator compensates for a first symbol using the change predicted value. A demodulator restores a portion corresponding to this symbol with another subcarrier. A replica generator acquires a transmission replica of the restored symbol. The channel evaluator performs complex division on the replica with the symbol to acquire an amplitude phase ratio. A detector compares the amplitude phase ratio with an amplitude phase ratio acquired immediately previously. In case where an elimination condition is satisfied, the detector disregards the amplitude phase ratio acquired currently and uses an immediately previous value instead, an averaging unit averages amplitude phase ratios to acquire a next change predicted value, and the compensator compensates for a next symbol using the change predicted value. Hereinafter, the sequence of processes is repeated.
摘要翻译： 信道评估器从已知符号获取改变预测值，并且补偿器使用改变预测值来补偿第一符号。 解调器用另一副载波来恢复对应于该符号的部分。 副本生成器获取已恢复符号的传输副本。 信道评估器对具有符号的副本执行复数除法以获得幅度相位比。 检测器将幅度相位比与立即获得的振幅相位比进行比较。 在满足消除条件的情况下，检测器忽略当前获取的幅度相位比，并且代替使用紧接在前的值，平均单元对振幅相位比进行平均以获取下一个改变预测值，并且补偿器使用 变化预测值。 以下，重复处理顺序。
-
公开(公告)号：US07286504B2
公开(公告)日：2007-10-23
申请号：US10187800
申请日：2002-07-03
CPC分类号： H04W16/00
摘要： A communication zone is defined by a plurality of cells, which are separated from one another and has respective fixed base stations. The base stations in the first cell and the last cell are capable of bidirectional communication with a mobile station, while other base stations are capable of unidirectional communication. The base stations are connected to a zone control station, which controls communications with the mobile station within the zone.
摘要翻译： 通信区由多个单元定义，多个单元彼此分离并具有相应的固定基站。 第一小区和最后一个小区中的基站能够与移动台双向通信，而其他基站能够进行单向通信。 基站连接到区域控制站，该区域控制站控制与该区域内的移动站的通信。
-
公开(公告)号：US06438371B1
公开(公告)日：2002-08-20
申请号：US09296467
申请日：1999-04-22
申请人： Masayuki Fujise , Hiroshi Harada
发明人： Masayuki Fujise , Hiroshi Harada
IPC分类号： H04Q720
摘要： A multimode service radio communication apparatus, that provides a hand-held or vehicle-mounted terminal with radio communication and radio broadcasting information of a radio information and communication providing system including mobile communication systems and intelligent transport systems, includes a frequency division multiplexer that integration-converts individual radio or intermediate frequencies modulated for mobile telephones and broadcasts so that the modulated frequencies are included in a specific frequency band, and produces radio signals in the specific frequency band; supply device for supplying the radio signals; an antenna for receiving and transmitting the supplied radio signals; a shared antenna for receiving the transmitted radio signals; and terminals to which specific frequencies in the specific frequency band are selectively linked.
摘要翻译： 一种多模式服务无线电通信装置，其为手持式或车载终端提供包括移动通信系统和智能传输系统的无线电信息和通信提供系统的无线电通信和无线电广播信息，包括频分多路复用器， 转换调制用于移动电话和广播的各个无线电或中频，使得调制频率被包括在特定频带中，并产生特定频带的无线电信号; 用于提供无线电信号的供应装置; 用于接收和发送所提供的无线电信号的天线; 用于接收所发射的无线电信号的共享天线; 以及特定频带中的特定频率被选择性地链接到的终端。
-
公开(公告)号：US06973304B2
公开(公告)日：2005-12-06
申请号：US10123254
申请日：2002-04-17
申请人： Masayuki Fujise , Hiroshi Harada
发明人： Masayuki Fujise , Hiroshi Harada
摘要： A multimode service radio communication apparatus, that provides a hand-held or vehicle-mounted terminal with radio communication and radio broadcasting information of a radio information and communication providing system including mobile communication systems and intelligent transport systems, includes a frequency division multiplexer that integration-converts individual radio or intermediate frequencies modulated for mobile telephones and broadcasts so that the modulated frequencies are included in a specific frequency band, and produces radio signals in the specific frequency band; supply device for supplying the radio signals; an antenna for receiving and transmitting the supplied radio signals; a shared antenna for receiving the transmitted radio signals; and terminals to which specific frequencies in the specific frequency band are selectively linked.
摘要翻译： 一种多模式服务无线电通信装置，其为手持式或车载终端提供包括移动通信系统和智能传输系统的无线电信息和通信提供系统的无线电通信和无线电广播信息，包括频分多路复用器， 转换调制用于移动电话和广播的各个无线电或中频，使得调制频率被包括在特定频带中，并产生特定频带的无线电信号; 用于提供无线电信号的供应装置; 用于接收和发送所提供的无线电信号的天线; 用于接收所发射的无线电信号的共享天线; 以及特定频带中的特定频率被选择性地链接到的终端。
-
公开(公告)号：US06636747B2
公开(公告)日：2003-10-21
申请号：US09263214
申请日：1999-03-05
申请人： Hiroshi Harada , Masayuki Fujise
发明人： Hiroshi Harada , Masayuki Fujise
IPC分类号： H04B138
CPC分类号： H04W88/06
摘要： In order to utilize several radio communication systems with a radio terminal 1, by preparing the common modulator and demodulator part 2a and reconfigurable modulator and demodulator part 2b in advance and performing function selection means 4 with specified means of differential information 5 which information consists of the list of differential specification information of each radio communication system such as the tap coefficients of filter, frame format and the like, and their hardware address to allocate the information into digital signal processing hardware, the required radio communication systems are realized as users like.
摘要翻译： 为了利用具有无线电终端1的几个无线电通信系统，通过预先准备公共调制器和解调器部分2a以及可重新配置的调制器和解调器部分2b，并执行具有指定的差分信息5的功能选择装置4，该信息由 每个无线电通信系统的差分规格信息列表如滤波器的抽头系数，帧格式等，以及将其分配给数字信号处理硬件的硬件地址，所需的无线电通信系统被实现为用户。
-
-
-
-
-
-
-
-
-
搜索结果
310 条记录 (耗时 0.023 秒)