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    • 93. 发明申请
    • Decoder device and decoding method
    • 解码器和解码方法
    • US20080208939A1
    • 2008-08-28
    • US12071903
    • 2008-02-27
    • Shunji MiyazakiKazuhisa ObuchiJunya Mikami
    • Shunji MiyazakiKazuhisa ObuchiJunya Mikami
    • G06F5/01G06F7/483G06F17/00
    • H03M13/2957H03M13/3905H03M13/6577H03M13/658H03M13/6588
    • A decoder having an element decoding unit generating external information for input data, including an exponent position determining unit, when the external information output from the element decoding unit is input, of information excluding a sign bit from the external information, specifying an exponent that is a bit position where a value different from a sign bit first appears, a mantissa obtaining unit obtaining information of 1-bit or a plurality of bits in a position next to the exponent as a mantissa out of the external information, a storage unit storing the exponent and the mantissa and a restoring unit restoring the external information by reading the exponent and the mantissa stored in the storage unit, wherein the element decoding unit performs iteration decoding based on the restored external information is utilized.
    • 一种解码器,具有生成用于输入数据的外部信息的元素解码单元,包括指数位置确定单元,当从元素解码单元输出的外部信息被输入时,从外部信息中排除符号位以外的信息,指定指数为 一个位号,其中与符号位不同的值首先出现,一个尾数获得单元获取位于该指数旁边位置的1位或多个位的信息作为外部信息中的尾数,存储单元存储 指数和尾数,以及恢复单元,通过读取存储在存储单元中的指数和尾数来恢复外部信息,其中元素解码单元基于恢复的外部信息进行迭代解码。
    • 95. 发明申请
    • Mobile communication system, radio base station and radio mobile station
    • 移动通信系统,无线基站和无线移动台
    • US20070026865A1
    • 2007-02-01
    • US11271625
    • 2005-11-10
    • Tetsuya YanoShunji MiyazakiKazuhisa Obuchi
    • Tetsuya YanoShunji MiyazakiKazuhisa Obuchi
    • H04Q7/20
    • H04W36/18H04W36/02H04W72/082H04W72/1226
    • Each radio base station (11, 21) evaluates whether a radio environment between itself and a mobile station is an environment in which diversity gain is obtained or an environment in which diversity gain is not obtained and interference will be impressed upon communication with another radio base station, allows the mobile station to transmit if the radio environment is the environment in which diversity gain is obtained, disallows the mobile station to transmit if the environment is the environment in which interference will be impressed upon communication with another radio base station, and neither allows nor disallows the mobile station to transmit if the environment is an environment in which although diversity gain is not obtained, no interference will be impressed upon communication with another radio base station. The mobile station performs a transmission of uplink data if it is being allowed to transmit by one or more radio base stations and, moreover, it is not being disallowed to transmit by any radio base station.
    • 每个无线电基站(11,21)评估其自身与移动站之间的无线电环境是否是获得分集增益的环境或者其中没有获得分集增益的环境,并且在与另一个无线电基站通信时将产生干扰 如果无线电环境是获得分集增益的环境,则允许移动台进行发送,如果环境是与另一个无线电基站通信时将受到干扰的环境,则不允许移动台进行发送,并且两者均不 如果环境是不能获得分集增益的环境,则允许或禁止移动台进行发送,在与另一个无线基站的通信时不会产生干扰。 如果允许由一个或多个无线基站进行发送,则移动台进行上行链路数据的发送,此外,不被任何无线基站发送。
    • 98. 发明申请
    • Data receiving apparatus and hybrid-ARQ communication system
    • 数据接收装置和混合ARQ通信系统
    • US20050235190A1
    • 2005-10-20
    • US11152902
    • 2005-06-15
    • Shunji MiyazakiKazuhisa ObuchiTetsuya Yano
    • Shunji MiyazakiKazuhisa ObuchiTetsuya Yano
    • H04L1/18H04B14/04G08C25/02
    • H04L1/1812H04L1/1819H04L1/1845H04L1/201
    • A receiver receives data transmitted from a transmitter. The data is stored in a buffer, and a reliability value of the data is computed by a computing unit. A determining unit determines reliability of the data by comparing a reliability value of existing data in the buffer and a reliability value of the data. When the reliability value of the data is higher than a predetermined value, the existing data is combined with the data. Then, an error correcting unit performs error correcting on combined data obtained, and outputs decoded bits. If the combined data includes many errors, retransmission of the data is requested to the transmitter. When the reliability value of the data is lower than the predetermined value, retransmission of data is directly requested without combining the data with the existing data.
    • 接收机接收从发射机发送的数据。 数据存储在缓冲器中,数据的可靠性值由计算单元计算。 确定单元通过比较缓冲器中现有数据的可靠性值和数据的可靠性值来确定数据的可靠性。 当数据的可靠性值高于预定值时,将现有数据与数据组合。 然后,错误校正单元对获得的组合数据执行纠错,并输出解码的比特。 如果组合数据包含许多错误,则向发射机请求数据的重传。 当数据的可靠性值低于预定值时,直接请求重发数据而不将数据与现有数据进行组合。
    • 99. 发明授权
    • Error correcting apparatus
    • 纠错装置
    • US06615386B2
    • 2003-09-02
    • US09753884
    • 2001-01-03
    • Tetsuya YanoKazuhisa Obuchi
    • Tetsuya YanoKazuhisa Obuchi
    • H03M1300
    • H04L1/0067H03M13/3723H03M13/45H03M13/6306H04L1/0046H04L1/0075H04L1/08
    • Disclosed herein is an error correcting apparatus for receiving a signal subjected to a repetition processing in which a part of bits of an error-correction code train are repeatedly transmitted, and decoding the received signal so as to be restored to the original data. A repetition rate calculator calculates the repetition rate of the received signal subjected to the repetition processing, a soft decision data cut-off position decision unit decides the position at which a part of the soft decision data is cut off from the soft decision data which is generated by the repetition regenerator, on the basis of the repetition rate Rr, and a bit selector cuts off the part of the soft decision data at the decided cut-off position and inputs the cut part into a soft decision error-correction decoder.
    • 这里公开了一种用于接收经过重复处理的信号的纠错装置,其中重复发送错误校正码串的位的一部分,并对接收到的信号进行解码,以恢复原始数据。 重复率计算器计算经受重复处理的接收信号的重复率,软判决数据截止位置决定单元从软判决数据判断软判决数据的一部分被切断的位置是否为 由重复再生器根据重复率Rr产生的,并且位选择器在所确定的截止位置处切断部分软判决数据,并将切割部分输入到软判决纠错解码器中。