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    • 2. 发明申请
    • DECODING DEVICE AND ERROR DETECTION METHOD
    • 解码设备和错误检测方法
    • US20160062822A1
    • 2016-03-03
    • US14742973
    • 2015-06-18
    • FUJITSU LIMITED
    • Shunji Miyazaki
    • G06F11/10H03M13/37
    • G06F11/1004H03M13/093H03M13/2957H03M13/2975H03M13/3746
    • A decoding device includes a decoding unit that iteratively obtains a decoded bit stream corresponding to an information bit stream of one block, and an error detection unit that divides the decoded bit stream into a plurality of sub-blocks, acquires a plurality of partial remainders respectively corresponding to the sub-blocks, and determines whether an error occurs in the decoded bit stream based on a total remainder in which the partial remainders are added, wherein the error detection unit, of the sub-blocks, acquires a first partial remainder corresponding to a first sub-block including bits in which values are different between a previous decoded bit stream and a current decoded bit stream, and determines whether the error occurs in the current decoded bit stream based on a current total remainder obtained by adding the acquired first partial remainder to a previous total remainder.
    • 解码装置包括迭代地获得与一个块的信息比特流相对应的解码比特流的解码单元,以及将解码比特流分成多个子块的错误检测单元,分别获取多个部分余数 对应于子块,并且基于添加了部分余数的总余数来确定解码比特流中是否发生错误,其中,子块的错误检测单元获取对应于 第一子块,其包括在先前解码的比特流和当前解码的比特流之间的值不同的比特,并且基于通过将获取的第一部分相加获得的当前总剩余量来确定是否在当前解码的比特流中发生错误 余数达到之前的总剩余量。
    • 3. 发明申请
    • RECEIVER AND RECEIVING METHOD
    • 接收和接收方法
    • US20140079161A1
    • 2014-03-20
    • US14019204
    • 2013-09-05
    • FUJITSU LIMITED
    • Hiroaki AraiShunji Miyazaki
    • H04L1/00
    • H04L1/0054H04L1/0045H04L25/067
    • A receiver including: a memory, and a processor configured to calculate a plurality of soft decision values based on a received symbol to which a plurality of bits are mapped, to select at least one first soft decision value of the plurality of soft decision values, to calculate at least one relative value of at least one second soft decision value of the plurality of soft decision values other than the at least one first soft decision value, based on the at least one first soft decision value, to store the at least one first soft decision value and the at least one relative value, in the memory, and to estimate the plurality of bits based on the at least one first soft decision value and the at least one relative value which are stored in the memory.
    • 一种接收机,包括:存储器和被配置为基于多个比特被映射到的接收符号来计算多个软判决值的处理器,以选择所述多个软判决值中的至少一个第一软判决值, 基于所述至少一个第一软判决值来计算除所述至少一个第一软判决值之外的所述多个软判决值的至少一个第二软判决值的至少一个相对值,以存储所述至少一个 存储器中的第一软判决值和至少一个相对值,并且基于存储在存储器中的至少一个第一软判决值和至少一个相对值来估计多个位。
    • 5. 发明授权
    • Decoding device and error detection method
    • 解码设备和错误检测方法
    • US09524206B2
    • 2016-12-20
    • US14742973
    • 2015-06-18
    • FUJITSU LIMITED
    • Shunji Miyazaki
    • H03M13/00G06F11/10H03M13/37H03M13/09H03M13/29
    • G06F11/1004H03M13/093H03M13/2957H03M13/2975H03M13/3746
    • A decoding device includes a decoding unit that iteratively obtains a decoded bit stream corresponding to an information bit stream of one block, and an error detection unit that divides the decoded bit stream into a plurality of sub-blocks, acquires a plurality of partial remainders respectively corresponding to the sub-blocks, and determines whether an error occurs in the decoded bit stream based on a total remainder in which the partial remainders are added, wherein the error detection unit, of the sub-blocks, acquires a first partial remainder corresponding to a first sub-block including bits in which values are different between a previous decoded bit stream and a current decoded bit stream, and determines whether the error occurs in the current decoded bit stream based on a current total remainder obtained by adding the acquired first partial remainder to a previous total remainder.
    • 解码装置包括迭代地获得与一个块的信息比特流相对应的解码比特流的解码单元,以及将解码比特流分成多个子块的错误检测单元,分别获取多个部分余数 对应于子块,并且基于添加了部分余数的总余数来确定解码比特流中是否发生错误,其中,子块的错误检测单元获取对应于 第一子块,其包括在先前解码的比特流和当前解码的比特流之间的值不同的比特,并且基于通过将获取的第一部分相加获得的当前总剩余量来确定是否在当前解码的比特流中发生错误 余数达到之前的总剩余量。
    • 6. 发明授权
    • Receiver and receiving method
    • 接收和接收方法
    • US09203557B2
    • 2015-12-01
    • US14019204
    • 2013-09-05
    • FUJITSU LIMITED
    • Hiroaki AraiShunji Miyazaki
    • H04L27/06H04L1/00
    • H04L1/0054H04L1/0045H04L25/067
    • A receiver including: a memory, and a processor configured to calculate a plurality of soft decision values based on a received symbol to which a plurality of bits are mapped, to select at least one first soft decision value of the plurality of soft decision values, to calculate at least one relative value of at least one second soft decision value of the plurality of soft decision values other than the at least one first soft decision value, based on the at least one first soft decision value, to store the at least one first soft decision value and the at least one relative value, in the memory, and to estimate the plurality of bits based on the at least one first soft decision value and the at least one relative value which are stored in the memory.
    • 一种接收机,包括:存储器和被配置为基于多个比特被映射到的接收符号来计算多个软判决值的处理器,以选择所述多个软判决值中的至少一个第一软判决值, 基于所述至少一个第一软判决值来计算除所述至少一个第一软判决值之外的所述多个软判决值的至少一个第二软判决值的至少一个相对值,以存储所述至少一个 存储器中的第一软判决值和至少一个相对值,并且基于存储在存储器中的至少一个第一软判决值和至少一个相对值来估计多个位。
    • 7. 发明授权
    • Mobile user terminal, mobile communication system, base station, and communication method
    • 移动用户终端,移动通信系统,基站和通信方式
    • US09088392B2
    • 2015-07-21
    • US13623621
    • 2012-09-20
    • FUJITSU LIMITED
    • Kazuhisa ObuchiTetsuya YanoShunji MiyazakiTakao Nakagawa
    • H04W4/00H04L1/00H04B17/24H04B17/309H04L5/00
    • H04B17/24H04B17/309H04L1/0026H04L1/0027H04L5/0048H04L5/0053Y02D70/122Y02D70/124
    • A mobile user terminal, which transmits downlink channel quality information indicating downlink channel quality and an uplink pilot signal to a base station, whereby a carrier frequency used for transmitting the downlink quality information and a carrier frequency used for transmitting the uplink pilot signal are selectable respectively from among a plurality of carrier frequencies assigned to the mobile user terminal; the mobile user terminal includes a radio transmitter, which transmits the downlink quality information and the uplink pilot signal in an intermittent fashion to the base station; and the radio transmitter transmits the downlink quality information and the uplink pilot signal by using a same carrier frequency among the plurality of carrier frequencies or by using adjacent carrier frequencies among the plurality of carrier frequencies, in a period corresponding to a state of intermittent communicate.
    • 移动用户终端向基站发送指示下行链路信道质量的下行链路信道质量信息和上行链路导频信号,由此分别选择用于发送下行链路质量信息的载波频率和用于发送上行链路导频信号的载波频率 从分配给移动用户终端的多个载波频率; 移动用户终端包括:无线发射机,其以间歇方式将下行链路质量信息和上行链路导频信号发送到基站; 并且无线电发射机在对应于间歇通信状态的时段内通过在多个载波频率中使用相同的载波频率或者通过使用多个载波频率中的相邻载波频率来发射下行链路质量信息和上行链路导频信号。
    • 8. 发明申请
    • DEMODULATOR APPARATUS AND DEMODULATION METHOD
    • DEMODULATOR装置和解调方法
    • US20160254939A1
    • 2016-09-01
    • US15003338
    • 2016-01-21
    • FUJITSU LIMITED
    • Shunji Miyazaki
    • H04L27/38H04L27/34H04L1/00
    • H04L27/3818H04L27/3416
    • A demodulator apparatus includes a memory and a processor coupled to the memory. The processor executes a process including: applying lattice reduction to a channel response matrix; applying linear detection to a reception signal in lattice-reduced basis using a lattice-reduced channel response matrix; calculating an expectation of a symbol in the lattice-reduced basis; inversely transforming the expectation of the symbol from the lattice-reduced basis into an original basis; and calculating soft-decision data by performing interference cancellation method in inversely transformed expectation of the symbol in the original basis.
    • 解调器装置包括存储器和耦合到存储器的处理器。 处理器执行一个过程,包括:对信道响应矩阵应用网格约简; 使用网格减少的信道响应矩阵,在格子化的基础上对接收信号应用线性检测; 计算以格格为基础的符号的期望值; 将符号从格子减少基础的期望逆向转化为原始基础; 并且通过在原始基础上以符号的逆变换期望执行干扰消除方法来计算软判决数据。
    • 9. 发明申请
    • DECODING APPARATUS AND DECODING METHOD
    • 解码设备和解码方法
    • US20150049846A1
    • 2015-02-19
    • US14460674
    • 2014-08-15
    • FUJITSU LIMITED
    • Shunji Miyazaki
    • H04L1/00
    • H03M13/3905H03M13/3927H03M13/4146H03M13/6525
    • A decoding apparatus including an operation unit to calculate a branch metric between first and second instants of time based on receiving likelihood data and an anterior likelihood, and to use, in a state transition in a butterfly represented by first and second states at the first instant of time and third and fourth states at the second instant of time, a first anterior cumulative metric for the first state, a second anterior cumulative metric for the second state and a first difference based on the branch metric between the first state and the third state and on a second difference between the first anterior cumulative metric and the second anterior cumulative metric to calculate a third anterior cumulative metric for the third state and a fourth anterior cumulative metric for each butterfly and at each instant of time, and a storage unit to store the second difference.
    • 一种解码装置,包括:运算部,其基于接收似然度数据和前方似然度计算第一时刻和第二时刻之间的分支度量,并且在第一时刻由第一状态和第二状态表示的蝴蝶状态转换中使用 的时间和第三和第四状态,第一状态的第一前部累积度量,第二状态的第二前部累积度量,以及基于第一状态和第三状态之间的分支度量的第一差异 以及在所述第一前部累积度量和所述第二前部累积度量之间的第二差异,以计算所述第三状态的第三前进累积度量,以及针对每个蝴蝶和每个时刻的第四前部累积度量,以及存储单元, 第二个区别。
    • 10. 发明授权
    • Radio communication device and radio communication method
    • 无线电通信设备和无线电通信方法
    • US08923449B2
    • 2014-12-30
    • US14060346
    • 2013-10-22
    • Fujitsu Limited
    • Shunji Miyazaki
    • H04L27/06H04L27/26
    • H04L27/2649H04L1/0084H04L1/1819H04L1/1874H04L25/067H04L27/26H04L27/38
    • A radio communication device including: a processor configured to store each of quantization values of codeword to a memory in accordance with a transmission format, so as to fit each of the quantization values within a specified number of areas which are allocated in the memory, each of the areas having a specified size, and so as to satisfy at least one of a first condition and a second condition, the first condition indicating that the specified number is fewer than the maximum first bit number corresponding to a first transmission format with which a first bit number of the codeword is maximum among the predetermined transmission formats, and the second condition indicating that the specified size is fewer than the maximum second bit number corresponding to a second transmission format with which a second bit number of each of the quantization values is maximum among the predetermined transmission formats.
    • 一种无线电通信设备,包括:处理器,被配置为根据传输格式将每个码字的量化值存储到存储器中,以便将每个量化值适配在分配在存储器中的指定数量的区域内,每个 具有指定大小的区域,并且为了满足第一条件和第二条件中的至少一个,所述第一条件指示所述指定数量少于与所述第一传输格式对应的最大第一位数, 代码字的第一比特数在预定的传输格式中是最大的,并且第二条件指示指定的大小小于与每个量化值的第二比特数对应的第二传输格式的最大第二比特数 在预定的传输格式中最大。