会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 43. 发明授权
    • Radio transmission device and radio transmission method
    • 无线传输设备和无线传输方式
    • US08681763B2
    • 2014-03-25
    • US12304720
    • 2007-06-14
    • Takashi IwaiDaichi ImamuraSadaki FutagiAtsushi MatsumotoTomofumi Takata
    • Takashi IwaiDaichi ImamuraSadaki FutagiAtsushi MatsumotoTomofumi Takata
    • H04B7/216H04B7/00
    • H04W74/0833H04W24/08H04W28/0278H04W36/00H04W48/10H04W74/004H04W74/08
    • It is possible to provide a radio transmission device and a radio transmission method capable of improving resource use efficiency without increasing or decreasing the number of Signatures. The device and the method use a Signature table having Access types, DL CQI, and Signatures uniquely correlated to one another. In this Signature table, the DL CQI level is set for each Access type in accordance with the data amount transmitted/received before a data communication start after a transmission of RACH. When the Access type is IDLE, the data amount is greater as compared to other Access types and the DL CQI is set to level 1 to 6. When the Access type is ACTIVE, the data amount is smaller as compared to other Access types and the DL CQI is set to smaller than level 3 and greater than level 4. Furthermore, when the Access type is Handover, the data amount is middling as compared to other Access types and the DL CQI is set to level 1 to 3 or above.
    • 可以提供能够提高资源使用效率而不增加或减少签名数量的无线传输装置和无线传输方法。 该设备和方法使用具有彼此唯一相关的Access类型,DL CQI和签名的签名表。 在该签名表中,根据在发送RACH之后的数据通信开始之前发送/接收的数据量,为每个Access类型设置DL CQI级别。 当Access类型为空闲时,数据量与其他Access类型相比较大,DL CQI设置为1级到6级。当Access类型为ACTIVE时,数据量与其他Access类型相比较小, DL CQI被设置为小于等级3并且大于等级4.此外,当Access类型是切换时,与其他接入类型相比,数据量是中等的,并且DL CQI被设置为级别1至3或更高。
    • 44. 发明授权
    • Communication method, communication terminal, and base station apparatus
    • 通信方式,通信终端,基站装置
    • US08514752B2
    • 2013-08-20
    • US13340408
    • 2011-12-29
    • Daichi ImamuraAtsushi MatsumotoTakashi IwaiSadaki FutagiTomofumi Takata
    • Daichi ImamuraAtsushi MatsumotoTakashi IwaiSadaki FutagiTomofumi Takata
    • H04B7/005
    • H04W74/002H04W74/0891
    • A radio transmitting apparatus and a radio transmitting method wherein the increase of the guard time in a random access region is reduced to secure the data transmitting region of an upstream line. In this apparatus, when a received signal power estimated by a received signal power estimating part (205) is the higher, a RACH format selecting part (206) selects a RACH format having the longer frame length. Contrarily, when a received signal power estimated by the received signal power estimating part (205) is the lower, the RACH format selecting part (206) selects a RACH format having the shorter frame length. A RACH data part arranging part (207) appropriately selects, in accordance with the selected RACH format, top-priority information, such as terminal identifiers, priority information, such as connection request information or band assignment request information, and non-priority information and arranges RACH data parts.
    • 一种无线发送装置和无线发送方法,其中减少随机接入区域中的保护时间的增加以确保上游线路的数据发送区域。 在该装置中,当由接收信号功率估计部(205)估计的接收信号功率越高时,RACH格式选择部(206)选择具有较长帧长的RACH格式。 相反,当由接收信号功率估计部分(205)估计的接收信号功率较低时,RACH格式选择部分(206)选择具有较短帧长的RACH格式。 RACH数据部分配置部分207根据选择的RACH格式,适当地选择诸如终端标识符等优先级信息,连接请求信息或频带分配请求信息等优先级信息,以及非优先级信息,以及 安排RACH数据部分。
    • 45. 发明授权
    • Radio transmission device and radio transmission method
    • 无线传输设备和无线传输方式
    • US08472558B2
    • 2013-06-25
    • US12524689
    • 2008-01-30
    • Yoshihiko OgawaDaichi ImamuraSadaki FutagiAtsushi MatsumotoTakashi Iwai
    • Yoshihiko OgawaDaichi ImamuraSadaki FutagiAtsushi MatsumotoTakashi Iwai
    • H03C1/52H04L27/04
    • H04L25/0226H04J13/0059H04J13/22
    • It is possible to provide a radio transmission device and a radio transmission method which can avoid degradation of a channel estimation accuracy using a reference signal formed by a ZC sequence even when the RS transmission band of a local cell is different from that of an adjacent cell. A mobile station decides a cyclic shift sequence corresponding to RB allocation information from an RS table which correlates different frequency bandwidths from a reference point of respective transmission bands to a spectrum start number of the cyclic shift sequence so as to satisfy a particular relationship based on the sequence length and transmits the decided cyclic shift sequence as RS to a base station. The base station uses the same RS table as the RS table of the mobile station and performs correlation calculation of the RS transmitted from the mobile station, thereby performing channel estimation.
    • 可以提供一种无线传输装置和无线传输方法,即使当本地小区的RS传输频带与相邻小区的RS传输频带不同时,也可以使用由ZC序列形成的参考信号来降低信道估计精度的劣化 。 移动台从RS表中确定与RB分配信息相对应的循环移位序列,该RS表把不同的频带宽度从各个传输频带的参考点相关到循环移位序列的频谱起始号,从而满足基于 序列长度,并将所确定的循环移位序列作为RS发送到基站。 基站使用与移动站的RS表相同的RS表,对从移动台发送的RS进行相关运算,进行信道估计。
    • 46. 发明授权
    • Radio transmitting apparatus, radio receiving apparatus, and data placing method
    • 无线发送装置,无线接收装置,数据放置方法
    • US08208579B2
    • 2012-06-26
    • US12066785
    • 2006-09-15
    • Takashi IwaiDaichi ImamuraSadaki FutagiAtsushi Matsumoto
    • Takashi IwaiDaichi ImamuraSadaki FutagiAtsushi Matsumoto
    • H04L27/00
    • H04L25/03159H04L1/007H04L1/0086H04L1/08
    • A radio transmitting apparatus wherein when both a first data and a second data, which has a greater importance than the first data, are placed in a single block, the BER characteristic of the second data can be well maintained. In this apparatus, a modulating part (101-1) modulates a first data sequence to generate a first data symbol, while a modulating part (101-2) modulates a second data sequence to generate a second data symbol. A placing part (102) places both the first data symbol and the second data sequence in each of blocks constituting a single carrier signal. At this moment, the placing part (102) places, in the single block, the first data at both ends of the block, while placing the second data, which has the greater importance than the first data, at the center of the block. A CP adding part (103) adds, to the head of the block in which the first and second data symbols are placed, a rear end portion of that block as CP.
    • 一种无线电发送装置,其中当具有比第一数据更重要的第一数据和第二数据都被放置在单个块中时,可以良好地维护第二数据的BER特性。 在该装置中,调制部分(101-1)调制第一数据序列以产生第一数据符号,而调制部分(101-2)调制第二数据序列以产生第二数据符号。 放置部分(102)将第一数据符号和第二数据序列放置在构成单个载波信号的每个块中。 此时,放置部件(102)在块的两端将第一数据放在块的两端,同时将具有比第一数据更重要的第二数据放置在块的中心。 CP添加部分(103)将放置第一和第二数据符号的块的头部作为CP添加到该块的后端部分。
    • 47. 发明授权
    • Radio transmitting apparatus and radio transmitting method
    • 无线发送装置和无线发送方法
    • US08111639B2
    • 2012-02-07
    • US12159373
    • 2006-12-26
    • Daichi ImamuraAtsushi MatsumotoTakashi IwaiSadaki FutagiTomofumi Takata
    • Daichi ImamuraAtsushi MatsumotoTakashi IwaiSadaki FutagiTomofumi Takata
    • H04B7/005
    • H04W74/002H04W74/0891
    • A radio transmitting apparatus and a radio transmitting method wherein the increase of the guard time in a random access region is reduced to secure the data transmitting region of an upstream line. In this apparatus, when a received signal power estimated by a received signal power estimating part (205) is the higher, a RACH format selecting part (206) selects a RACH format having the longer frame length. Contrarily, when a received signal power estimated by the received signal power estimating part (205) is the lower, the RACH format selecting part (206) selects a RACH format having the shorter frame length. A RACH data part arranging part (207) appropriately selects, in accordance with the selected RACH format, top-priority information, such as terminal identifiers, priority information, such as connection request information or band assignment request information, and non-priority information and arranges RACH data parts.
    • 一种无线发送装置和无线发送方法,其中减少随机接入区域中的保护时间的增加以确保上游线路的数据发送区域。 在该装置中,当由接收信号功率估计部(205)估计的接收信号功率越高时,RACH格式选择部(206)选择具有较长帧长的RACH格式。 相反,当由接收信号功率估计部分(205)估计的接收信号功率较低时,RACH格式选择部分(206)选择具有较短帧长的RACH格式。 RACH数据部分配置部分207根据选择的RACH格式,适当地选择诸如终端标识符等优先级信息,连接请求信息或频带分配请求信息等优先级信息,以及非优先级信息,以及 安排RACH数据部分。
    • 50. 发明授权
    • Radio transmission device, and radio transmission method
    • 无线传输设备,无线传输方式
    • US07821991B2
    • 2010-10-26
    • US12278543
    • 2007-02-09
    • Takashi IwaiDaichi ImamuraKenichi MiyoshiSadaki FutagiAtsushi MatsumotoTomofumi Takata
    • Takashi IwaiDaichi ImamuraKenichi MiyoshiSadaki FutagiAtsushi MatsumotoTomofumi Takata
    • H04W4/00
    • H04J13/0055H04J13/0062H04J13/0066
    • Provided are a radio transmission device and a radio transmission method, which prevent the deterioration of a preamble detecting performance while reducing the collision probability of a RACH. In this radio transmission device, a Signature table storage unit (103) divides the magnitudes of transmission loss levels into individual levels corresponding to the distances from a base station, to cause CAZAC series and circulation shift quantities to correspond to each other at the individual levels, and is provided with a table containing a plurality of Signatures created from the CAZAC series and the circulation shift quantities caused to correspond to each other. A Signature selecting unit (104) selects one of the corresponding Signatures at random from the Signature table storage unit (103), on the basis of the magnitude of the transmission loss level outputted from a transmission loss level deciding unit (102). A RACH signal generating unit (105) generates the RACH signal with the Signature selected.
    • 提供一种无线传输装置和无线传输方法,其防止前导码检测性能的劣化,同时降低RACH的冲突概率。 在该无线发送装置中,签名表存储部(103)将传输损耗级别的大小划分为与基站的距离对应的各个级别,使得CAZAC序列和循环移位量在各个级别彼此对应 并且设置有包含从CAZAC系列创建的多个签名和导致彼此对应的循环移位量的表。 签名选择单元(104)根据从传输损失等级决定单元(102)输出的传输损耗电平的大小,从签名表存储单元(103)中随机选择一个对应的签名。 RACH信号生成单元(105)在选择了签名的情况下生成RACH信号。