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公开(公告)号:KR100959321B1
公开(公告)日:2010-05-26
申请号:KR1020087030206
申请日:2001-03-28
Applicant: 인터디지탈 테크날러지 코포레이션
Inventor: 카에엘존디
CPC classification number: H04L27/20 , H04B1/62 , H04B1/69 , H04B1/7097 , H04B1/711 , H04B2001/70724 , H04B2201/696 , H04B2201/709709 , H04L2027/0022
Abstract: 본 발명의 디지털 확산 스펙트럼 통신 시스템은 무선 통신 중에 통신 엔티티로부터 수신된 신호의 위상 및 주파수 오차를 계산하고, 그 엔티티로 송신하기 전에 위상 및 주파수 오차에 대하여 신호를 사전 보정한다.
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公开(公告)号:KR1020070103084A
公开(公告)日:2007-10-22
申请号:KR1020077022055
申请日:2001-03-28
Applicant: 인터디지탈 테크날러지 코포레이션
Inventor: 카에엘존디
IPC: H04B1/711
CPC classification number: H04L27/20 , H04B1/62 , H04B1/69 , H04B1/7097 , H04B1/711 , H04B2001/70724 , H04B2201/696 , H04B2201/709709 , H04L2027/0022
Abstract: A digital spread spectrum communication system calculates phase and frequency error (119) on a received signal from a communicating entity during a wireless communication and pre- corrects a signal for phase and frequency error prior to transmission to that entity. Moreover, a carrier offset correction (149) is performed, either at a chip, or at a symbol level.
Abstract translation: 数字扩频通信系统在无线通信期间计算来自通信实体的接收信号的相位和频率误差(119),并在发送到该实体之前预校正相位和频率误差的信号。 此外,以芯片或符号级别执行载波偏移校正(149)。
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公开(公告)号:KR1020060035813A
公开(公告)日:2006-04-26
申请号:KR1020067006045
申请日:2001-03-28
Applicant: 인터디지탈 테크날러지 코포레이션
Inventor: 카에엘존디
IPC: H04B1/7075 , H04B1/711
CPC classification number: H04L27/20 , H04B1/62 , H04B1/69 , H04B1/7097 , H04B1/711 , H04B2001/70724 , H04B2201/696 , H04B2201/709709 , H04L2027/0022
Abstract: A digital spread spectrum communication system calculates phase and frequency error (119) on a received signal from a communicating entity during a wireless communication and pre- corrects a signal for phase and frequency error prior to transmission to that entity. Moreover, a carrier offset correction (149) is performed, either at a chip, or at a symbol level.
Abstract translation: 数字扩频通信系统在无线通信期间计算来自通信实体的接收信号的相位和频率误差(119),并在发送到该实体之前预校正相位和频率误差的信号。 此外,以芯片或符号级别执行载波偏移校正(149)。
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公开(公告)号:KR1020050006290A
公开(公告)日:2005-01-15
申请号:KR1020047020262
申请日:2001-03-28
Applicant: 인터디지탈 테크날러지 코포레이션
Inventor: 카에엘존디
IPC: H04B1/7073
CPC classification number: H04L27/20 , H04B1/62 , H04B1/69 , H04B1/7097 , H04B1/711 , H04B2001/70724 , H04B2201/696 , H04B2201/709709 , H04L2027/0022
Abstract: 본 발명의 디지털 확산 스펙트럼 통신 시스템은 무선 통신 중에 통신 엔티티로부터 수신된 신호의 위상 및 주파수 오차를 계산하고, 그 엔티티로 전송하기 전에 위상 및 주파수 오차에 대하여 신호를 사전 보정한다.
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公开(公告)号:KR1020040096746A
公开(公告)日:2004-11-17
申请号:KR1020030029658
申请日:2003-05-10
Applicant: 엘지전자 주식회사
Inventor: 강영환
IPC: H04J13/10
CPC classification number: H04B1/7097 , H04B7/2628 , H04B2201/696 , H04J13/0003
Abstract: PURPOSE: A method for coding a common channel is provided to code ACK(Acknowledgement)/NACK(Non ACK)/ACK and C(Continue) signals transmitted to each mobile station through an F-CACKCH(Forward Common Acknowledgement Channel). CONSTITUTION: Encoders(10-15) code ACK/NACK/ACK and C signals of one bit inputted by using one of sequences corresponding to each matrix of a Hadamard matrix, and output the sequences, respectively. The outputted sequences mutually have orthogonality, and are inputted to spreaders(20-25). Each of the spreaders(20-25) spreads the inputted 12 sequences by N times, and outputs spread sequences. The outputted sequences are inputted to sequence repeaters(30-35) to be repeated as much as symbol length.
Abstract translation: 目的:提供一种用于编码公共信道的方法,用于通过F-CACKCH(前向公共确认信道)对发送到每个移动台的ACK(确认)/ NACK(非ACK)/ ACK和C(继续)信号进行编码。 构成:编码器(10-15)对通过使用与哈达玛矩阵的每个矩阵相对应的序列之一输入的一位的ACK / NACK / ACK和C信号进行编码,并分别输出序列。 输出的序列相互具有正交性,并被输入到扩展器(20-25)。 每个扩展器(20-25)将输入的12个序列扩展N次,并输出扩展序列。 输出的序列被输入到序列中继器(30-35)以重复符号长度。
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公开(公告)号:KR1020010035820A
公开(公告)日:2001-05-07
申请号:KR1019990042581
申请日:1999-10-04
Applicant: 에스케이텔레콤 주식회사
IPC: H04J13/10
CPC classification number: H04B7/264 , H04B1/707 , H04B2201/696 , H04B2201/70703 , H04J13/00
Abstract: PURPOSE: An apparatus of generating a CDMA(Code Division Multiple Access) signal for variable traffic situations in a communication system is provided to appropriately control a gain of a traffic signal by using one traffic signal generator, and to generate a CDMA signal. CONSTITUTION: A pilot signal generator(211) generates a pilot signal under an external control. A traffic signal generator(212) generates a traffic signal under an external control. A gain controller/signal combiner(213) converts the pilot signal and the traffic signal into baseband analog signals, and controls a gain of the converted baseband traffic signal. The gain controller/signal combiner(213) combines the baseband traffic signal with the converted baseband pilot signal to output a CDMA(Code Division Multiple Access) signal. The gain controller/signal combiner(213) highly controls the gain of the baseband traffic signal as many as a preset gain value.
Abstract translation: 目的:提供一种用于在通信系统中为可变业务情况生成CDMA(码分多址)信号的装置,以通过使用一个业务信号发生器适当地控制业务信号的增益,并产生CDMA信号。 构成:导频信号发生器(211)在外部控制下产生导频信号。 交通信号发生器(212)在外部控制下产生交通信号灯。 增益控制器/信号组合器(213)将导频信号和业务信号转换为基带模拟信号,并控制转换的基带业务信号的增益。 增益控制器/信号组合器(213)将基带业务信号与转换的基带导频信号组合,以输出CDMA(码分多址)信号。 增益控制器/信号组合器(213)高度地控制基带业务信号的增益多达预设的增益值。
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