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    • 1. 发明申请
    • Radio communication apparatus and method
    • 无线通信装置及方法
    • US20080261649A1
    • 2008-10-23
    • US11953592
    • 2007-12-10
    • Manabu MukaiTakeshi TomizawaDaisuke TakedaTakashi WakutsuMutsumu Serizawa
    • Manabu MukaiTakeshi TomizawaDaisuke TakedaTakashi WakutsuMutsumu Serizawa
    • H04M1/00
    • H04W8/245
    • A radio communication apparatus compatible with a plurality of communication systems and application services comprises a radio transmitting/receiving unit for transmitting and receiving a radio signal, signal processing circuit for executing part of digital signal processing which may be executed when a radio signal is transmitted or received, first processors connected to the signal processing circuit for at least executing communication control related to connection between the radio communication apparatus and the communication systems, and an application program related to the application services, and second processors connected to the signal processing circuit for at least executing another part of the digital signal processing, and control of the signal processing circuit, the amount of processing of the second processors being greater than the amount of processing of the first processors, the processing concerning the executing unit.
    • 与多个通信系统和应用服务兼容的无线电通信装置包括用于发送和接收无线电信号的无线电发送/接收单元,用于执行可以在发送无线电信号时执行的数字信号处理的一部分的信号处理电路, 连接到信号处理电路的第一处理器,用于至少执行与无线电通信装置和通信系统之间的连接相关的通信控制,以及与应用服务相关的应用程序,以及连接到信号处理电路的第二处理器 最少执行数字信号处理的另一部分,以及信号处理电路的控制,第二处理器的处理量大于第一处理器的处理量,涉及执行单元的处理。
    • 6. 发明授权
    • Decoding apparatus and decoding method
    • 解码装置和解码方法
    • US06912685B2
    • 2005-06-28
    • US09816165
    • 2001-03-26
    • Daisuke TakedaManabu Mukai
    • Daisuke TakedaManabu Mukai
    • H03M13/03H03M13/05H03M13/13H03M13/45H03M13/00
    • H03M13/136H03M13/451
    • Decoding apparatus comprises EX-OR circuit exclusive ORing the Reed-Muller code and exclusive Ored value of mask symbol candidate pattern and the information data corresponding to the pattern, first decoder calculating checksum of the EX-OR circuit output and majority-judging the checksum to decode a part of the second portion of the information data, second decoder exclusive ORing the EX-OR circuit output and a product of the part of the second portion and the orthogonal codes and majority-judging the exclusive OR result to decode a remaining part of the second portion, Reed-Muller encoder encoding the information data, and minimum detector detecting the minimum of Euclidean distance between an output from the Reed-Muller encoder and the Reed-Muller code supplied to the arithmetic operation unit while a plurality of candidate patterns of the mask symbols are supplied to the arithmetic operation unit.
    • 解码装置包括EX-OR电路,将Reed-Muller码和掩码符号候选模式的独占Ored值与对应于模式的信息数据进行异或运算,第一解码器计算EX-OR电路输出的校验和,并将校验和判断为多数 对信息数据的第二部分的一部分进行解码,第二解码器对EX-OR电路输出进行异或运算,并且将第二部分的一部分与正交码的乘积进行异或运算,并且多数判断异或结果以解码剩余部分 第二部分,编码信息数据的Reed-Muller编码器,以及最小检测器,检测来自Reed-Muller编码器的输出与提供给算术运算单元的Reed-Muller码之间的欧几里德距离的最小值,同时多个候选模式 掩码符号被提供给算术运算单元。
    • 8. 发明申请
    • RECEIVING APPARATUS AND RECEIVING METHOD
    • 接收装置和接收方法
    • US20120243593A1
    • 2012-09-27
    • US13237080
    • 2011-09-20
    • Toshiyuki NakanishiDaisuke TakedaTatsuhisa Furukawa
    • Toshiyuki NakanishiDaisuke TakedaTatsuhisa Furukawa
    • H04B1/10H04L27/01H04B17/00
    • H04L25/03114H04L25/0202
    • A receiving apparatus receives a digital modulation signal. The receiving apparatus has a receiving part for down-converting the digital modulation signal to a baseband signal and to obtain channel estimates, a channel estimation part for estimating a multi-path channel, a first replica generation part for generating a first replica, based on the channel estimates obtained by the channel estimation part, a first replica removal part for removing the first replica from a target frame in the baseband signal, a nulling part for forcefully nulling he baseband signal for at least a portion of the time period where an inter-frame interference occurs due to a delay wave having a delay time longer than the known signal, and a cyclic-addition part for performing cyclic-addition between a front side portion and a rear side portion in the target frame, including the portion nulled by the nulling part.
    • 接收装置接收数字调制信号。 接收装置具有接收部分,用于将数字调制信号下变频为基带信号并获得信道估计,用于估计多径信道的信道估计部分,用于生成第一副本的第一副本生成部分,基于 由信道估计部分获得的信道估计,用于从基带信号中的目标帧中去除第一副本的第一副本去除部分,用于在时间段的至少一部分强制将其基带信号强制归零的归零部分, 由于具有比已知信号更长的延迟时间的延迟波而发生帧干扰,以及用于在目标帧中的前侧部分和后侧部分之间执行循环加法的循环加法部分,包括被零 归零部分。