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    • 2. 发明申请
    • TRANSMISSION DEVICE AND TRANSMISSION METHOD
    • 传输设备和传输方法
    • US20120051455A1
    • 2012-03-01
    • US13266424
    • 2010-04-28
    • Hiroaki Sudo
    • Hiroaki Sudo
    • H04L27/04
    • H04L1/0015H04L1/0002H04L1/0026H04L1/0028H04L5/0023H04L5/0057
    • A transmission device capable of reducing the information amount of channel quality indicators (CQIs) without deteriorating throughput. In the device, an upper bit transmission control unit (104) sets the transmission intervals between upper bits of the CQIs inputted from an S/P conversion unit (103) to be longer than the transmission intervals between lower bits of the CQIs, and a lower bit transmission control unit (105) sets the transmission intervals between the lower bits of the CQIs inputted from the S/P conversion unit (103). Then, a transmission unit (107) transmits the CQI on the basis of the transmission intervals respectively set by the upper bit transmission control unit (104) and the lower bit transmission control unit (105).
    • 一种能够在不降低吞吐量的情况下减少信道质量指示符(CQI)的信息量的发送装置。 在设备中,高位传输控制单元(104)将从S / P转换单元(103)输入的CQI的高位之间的传输间隔设置为比CQI的低位之间的传输间隔长, 低位传输控制单元(105)设置从S / P转换单元(103)输入的CQI的低位之间的传输间隔。 然后,发送部(107)根据由高位发送控制部(104)和下位发送控制部(105)分别设定的发送间隔发送CQI。
    • 3. 发明授权
    • Communication system and communication method
    • 通信系统和通信方法
    • US08051198B2
    • 2011-11-01
    • US10542657
    • 2004-11-24
    • Hiroaki Sudo
    • Hiroaki Sudo
    • G06F15/16
    • H04W8/085H04W36/0011H04W80/04H04W88/005H04W88/08
    • A communication system enabling significant reduction in delay in handover between MAPs without increasing the number of MAPs to install. In the communication system, MAP(101) issues a Router Advertisement to AR(111) to AR(118). Particularly, MAP(101) assigns a plurality of Router Advertisements of a source of care-of address (RCOA) to register with HA to AR(118) of a cell on either side of a boundary of areas for each MAP. MN(107) receives a Router Advertisement transmitted from AR that is a communicating party among AR(119) to AR(126), and using the Router Advertisement, generates care-of addresses, RCOA and LCOA. AR(111) to AR(118) transmit the Router Advertisement RA generated by MAP(101) to MN in communication. Further, AR(111) to AR(118) transmit the care-or-addresses, RCOA and LCOA, issued from MN(107) to MAP(101).
    • 一种通信系统,其能够显着地减少MAP之间切换的延迟,而不增加要安装的MAP的数量。 在通信系统中,MAP(101)向AR(111)向AR(118)发布路由器通告。 特别地,MAP(101)分配转交地址(RCOA)的多个路由器通告,以向每个MAP的区域边界的任一侧的单元的HA向AR(118)注册。 MN(107)接收从AR(119)到AR(126)中的作为通信方的AR发送的路由器通告,并使用路由器通告生成转交地址,RCOA和LCOA。 AR(111)到AR(118)将通过MAP(101)生成的路由器通告RA传送到MN进行通信。 此外,AR(111)到AR(118)向MN(107)发送从MN(107)发送到MAP(101)的认证或地址RCOA和LCOA。
    • 4. 发明授权
    • Transmission apparatus and transmission method
    • 传输装置及传输方式
    • US07826871B2
    • 2010-11-02
    • US11814658
    • 2006-01-24
    • Hiroaki Sudo
    • Hiroaki Sudo
    • H04M1/00
    • H04L1/1812H04B7/061H04B7/0632H04B7/0691H04B7/0697H04L1/0023H04L1/0026H04L1/06H04L1/1893
    • There is provided a transmission device capable of preventing increase of retransmission information or encoding redundant bit and improving a throughput in a MIMO communication method. In this device, an encoding unit (130) subjects data transmitted from a first transmission antenna (110) and a second transmission antenna (120) each formed by a plurality of antennas, to encoding processing all at once. Modulation units (113, 123) modulate the data encoded by the encoding unit (130) for each of the first and the second transmission antennas (110, 120). Transmission units (115, 125) process the modulated data so that it can be transmitted from the corresponding first and the second antennas (110, 120). A transmission control unit (160) performs transmission control of the data transmitted from the respective antennas (110, 120). When retransmitting data, the transmission control unit (160) retransmits the data transmitted from a transmission antenna having a smaller number of antennas than the first and the second antennas (110, 120).
    • 提供了一种能够防止重传信息的增加或编码冗余比特并且提高MIMO通信方法中的吞吐量的传输装置。 在该装置中,编码单元(130)对由多个天线构成的第一发送天线(110)和第二发送天线(120)发送的数据进行一次全部的编码处理。 调制单元(113,123)对第一和第二发送天线(110,120)中的每一个调制由编码单元(130)编码的数据。 传输单元(115,125)处理调制数据,使得其可以从对应的第一和第二天线(110,120)传输。 发送控制单元(160)对从各个天线(110,120)发送的数据进行发送控制。 当重传数据时,发送控制单元(160)重发从具有比第一和第二天线(110,120)小的天线数的发​​送天线发送的数据。
    • 5. 发明授权
    • CDMA transmission apparatus and CDMA transmission method
    • CDMA传输装置和CDMA传输方式
    • US07764711B2
    • 2010-07-27
    • US11767124
    • 2007-06-22
    • Hiroaki Sudo
    • Hiroaki Sudo
    • H04J1/00
    • H04L1/0066H04B1/707H04J13/00H04J14/005H04L1/18
    • A control section (110) recognizes the type of data included in a transmission signal and outputs a control signal (C1) to an S/P conversion section (101) and a spreading control section (107). The S/P conversion section (101) apportions a specific type of data output from the control section (110) to different transmission systems. Spreading sections (102, 103) carry out spreading processing on the specific type of data output from the S/P conversion section (101) with different spreading codes assigned thereto under the control of the spreading control section (107). The data output from the spreading sections (102, 103) is transmitted by radio through addition sections (104-1, 104-2), transmission sections (105-1, 105-2) and antennas (106-1, 106-2). In this way, it is possible to improve the reception performance on the receiving side for specific data while maintaining the transmission efficiency of an MIMO communication system.
    • 控制部(110)识别包含在发送信号中的数据的种类,并将控制信号(C1)输出到S / P转换部(101)和扩展控制部(107)。 S / P转换部分(101)将从控制部分(110)输出的特定类型的数据分配给不同的传输系统。 在扩展控制部分(107)的控制下,扩展部分(102,103)对由S / P转换部分(101)输出的特定类型的数据进行扩展处理,具有不同的分配给它的扩展码。 通过加法部(104-1,104-2),发送部(105-1,105-2)和天线(106-1,106-2)发送来自扩频部(102,103)的数据输出 )。 以这种方式,可以在保持MIMO通信系统的传输效率的同时,提高接收侧的特定数据的接收性能。
    • 9. 发明申请
    • Transmission device and automatic gain control method
    • 传动装置和自动增益控制方式
    • US20050227645A1
    • 2005-10-13
    • US10516180
    • 2003-11-05
    • Hiroaki Sudo
    • Hiroaki Sudo
    • H04J11/00H04B1/04H04B7/005H04W52/28H04W52/50H04W52/52H01Q11/12
    • H04W52/52H04W52/283H04W52/50
    • A transmission control section 101 temporarily stores a transmission signal, outputs the stored transmission signal to a coding section 102 and outputs transmission timing information to a counter section 107. A preamble insertion section 104 inserts AGC preambles corresponding to the number set by a preamble number control section 110 into the transmission signal. The preamble number control section 110 compares a transmission time interval input from a subtraction section 109 with a threshold, decides to insert ten AGC preambles into the transmission signal when the transmission time interval is equal to or greater than the threshold and decides to insert five AGC preambles into the transmission signal when the transmission time interval is smaller than the threshold. By so doing, it is possible to make the transmission efficiency compatible with the error rate characteristic.
    • 发送控制部101临时存储发送信号,将所存储的发送信号输出到编码部102,并将发送定时信息输出到计数部107。 前置码插入部分104将与由前导码号码控制部分110设置的号码相对应的AGC前导码插入发送信号。 前导码号码控制部分110将从减法部分109输入的传输时间间隔与阈值进行比较,当传输时间间隔等于或大于阈值时,决定将10个AGC前导码插入传输信号,并决定插入5个AGC 当传输时间间隔小于阈值时,将其转换为传输信号。 通过这样做,可以使传输效率与错误率特性相兼容。