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    • 3. 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。
    • 4. 发明授权
    • Decoder device and decoding method
    • 解码器和解码方法
    • US08250446B2
    • 2012-08-21
    • US12071903
    • 2008-02-27
    • Shunji MiyazakiKazuhisa ObuchiJunya Mikami
    • Shunji MiyazakiKazuhisa ObuchiJunya Mikami
    • G06F11/00
    • 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。
    • 5. 发明授权
    • Receiving device and communication system
    • 接收设备和通信系统
    • US08340585B2
    • 2012-12-25
    • US12216056
    • 2008-06-27
    • Takashi DatekiTetsuya YanoKazuhisa ObuchiDaisuke OgawaHideto Furukawa
    • Takashi DatekiTetsuya YanoKazuhisa ObuchiDaisuke OgawaHideto Furukawa
    • H04B17/00H04B1/00H04B7/00
    • H04L1/20H04L1/0029H04L5/0007H04L5/0037H04L5/0046H04L5/0048H04L5/006H04L5/0091
    • A receiving device and a communication system wherein the frequency usage efficiency is raised to improve the communication throughput. The receiving device comprises a receiving unit that receives multicarrier signals in which a plurality of subcarriers are divided into a plurality of subcarrier blocks (frequency blocks) each including at least one subcarrier and in which signals to be transmitted to receiving devices are allocated on a subcarrier block basis; an estimating unit that estimates, for each of the subcarrier blocks, quality values indicative of the reception statuses of the signals allocated to the plurality of subcarrier blocks; and a notifying unit that notifies a transmitting device of information indicative of a high quality subcarrier block having a high quality value in the quality values, a quality value in the high quality subcarrier block, and an interval of the subcarrier blocks having the quality value of which a difference from the quality value in the high-quality subcarrier block falls within a predetermined threshold value.
    • 一种接收设备和通信系统,其中提高了频率使用效率以提高通信吞吐量。 接收装置包括:接收单元,其接收多载波信号,其中多个子载波被划分成多个子载波块(频率块),每个副载波块包括至少一个副载波,并且其中要发射到接收装置的信号被分配在副载波上 块基 估计单元,对于每个子载波块,估计表示分配给所述多个子载波块的信号的接收状态的质量值; 以及通知单元,其向所述发送设备通知指示质量值中具有高质量值的高质量子载波块的信息,高质量子载波块中的质量值,以及具有质量值的子载波块的间隔 其与高质量子载波块中的质量值的差异落在预定阈值内。
    • 6. 发明申请
    • Receiving device and communication system
    • 接收设备和通信系统
    • US20080268782A1
    • 2008-10-30
    • US12216056
    • 2008-06-27
    • Takashi DatekiTetsuya YanoKazuhisa ObuchiDaisuke OgawaHideto Furukawa
    • Takashi DatekiTetsuya YanoKazuhisa ObuchiDaisuke OgawaHideto Furukawa
    • H04B17/00
    • H04L1/20H04L1/0029H04L5/0007H04L5/0037H04L5/0046H04L5/0048H04L5/006H04L5/0091
    • A receiving device and a communication system wherein the frequency usage efficiency is raised to improve the communication throughput. The receiving device comprises a receiving unit that receives multicarrier signals in which a plurality of subcarriers are divided into a plurality of subcarrier blocks (frequency blocks) each including at least one subcarrier and in which signals to be transmitted to receiving devices are allocated on a subcarrier block basis; an estimating unit that estimates, for each of the subcarrier blocks, quality values indicative of the reception statuses of the signals allocated to the plurality of subcarrier blocks; and a notifying unit that notifies a transmitting device of information indicative of a high quality subcarrier block having a high quality value in the quality values, a quality value in the high quality subcarrier block, and an interval of the subcarrier blocks having the quality value of which a difference from the quality value in the high-quality subcarrier block falls within a predetermined threshold value.
    • 一种接收设备和通信系统,其中提高了频率使用效率以提高通信吞吐量。 接收装置包括:接收单元,其接收多载波信号,其中多个子载波被划分成多个子载波块(频率块),每个子载波块包括至少一个副载波,并且其中要发送到接收装置的信号被分配在子载波上 块基 估计单元,对于每个子载波块,估计表示分配给所述多个子载波块的信号的接收状态的质量值; 以及通知单元,其向所述发送设备通知指示质量值中具有高质量值的高质量子载波块的信息,高质量子载波块中的质量值,以及具有质量值的子载波块的间隔 其与高质量子载波块中的质量值的差异落在预定阈值内。
    • 8. 发明授权
    • Transmitting apparatus with bit arrangement method
    • 带排列方式的发送装置
    • US07860186B2
    • 2010-12-28
    • US10899068
    • 2004-07-27
    • Tetsuya YanoKazuhisa ObuchiShunji Miyazaki
    • Tetsuya YanoKazuhisa ObuchiShunji Miyazaki
    • H04L27/36
    • H04L27/3488H03M13/25H03M13/2957H04L1/0041H04L1/0057H04L1/0067H04L1/16
    • A transmitting apparatus comprising circuitry operable to generate a plurality of bit sequences using bits included in a first data block and a second data block, circuitry operable to control the plurality of bit sequences to correspond to a signal point on the phase plane, comprising a bit sequence generating unit operable to control the generation of the bit sequences to adjust an occupation rate occupied with predetermined bits included in the first data block to be closer to an occupation rate occupied with predetermined bits included in the second data block in regard to bit positions of the predetermined bits, based on an error tolerance of the respective bit sequences generated resulting from the correspondence to a signal point on the phase plane, and circuitry operable to transmit the signals obtained by multi-level modulations in accordance with each signal point.
    • 一种发送装置,包括可操作以使用包括在第一数据块和第二数据块中的比特来生成多个比特序列的电路,所述电路可操作以控制所述多个比特序列以对应于所述相位平面上的信号点,包括比特 序列产生单元,其可操作以控制比特序列的生成,以调整占据第一数据块中包含的预定比特占有率的占有率,以使其相对于第二数据块中包含的预定比特占据的占用率更接近第 基于由与相位平面上的信号点的对应产生的相应比特序列的误差容限,以及可操作以根据每个信号点发送通过多电平调制获得的信号的电路。
    • 9. 发明授权
    • Data receiving apparatus and hybrid-ARQ communication system
    • 数据接收装置和混合ARQ通信系统
    • US07500166B2
    • 2009-03-03
    • US11152902
    • 2005-06-15
    • Shunji MiyazakiKazuhisa ObuchiTetsuya Yano
    • Shunji MiyazakiKazuhisa ObuchiTetsuya Yano
    • G08C25/02H04L1/18
    • 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。