公开(公告)号：WO2010013850A1

公开(公告)日：2010-02-04

申请号：PCT/JP2009/064071

申请日：2009-07-31

Applicant: Panasonic Corporation ,  KODAMA, Nobutaka ,  KOGA, Hisao

Inventor： KODAMA, Nobutaka ,  KOGA, Hisao

IPC: H04L27/00

CPC classification number: H04L27/0014 ,  H04L27/2647 ,  H04L27/2656

Abstract: A method of detecting the existence of an OFDM signal constituted by a plurality of carriers transmitted from another communication apparatus, includes a first selection step of selecting first carriers, where a phase difference between same carriers between symbols adjacent on a time domain is smaller than a predetermined value, from a plurality of carriers of a received signal, a second selection step of selecting second carriers, each of which has a phase of a predetermined relation of the OFDM signal with respect to another carrier, from the selected first carriers, and a carrier "determination step of determining whether the received signal has the symbols of the OFDM signal transmitted from the another communication apparatus on the basis of the selection results of the first and second carriers.

Abstract translation: 一种检测由从另一通信装置发送的多个载波构成的OFDM信号的存在的方法包括：第一选择步骤，选择第一载波，其中在时域上相邻的符号之间的相同载波之间的相位差小于 从接收信号的多个载波中选择第二选择步骤，从所选择的第一载波中选择第二载波，其中每个载波具有OFDM信号相对于另一个载波的预定关系的相位;以及 载波“确定步骤，基于第一和第二载波的选择结果确定接收的信号是否具有从另一通信装置发送的OFDM信号的符号。

公开(公告)号：WO2009151155A3

公开(公告)日：2009-12-17

申请号：PCT/JP2009/061151

申请日：2009-06-12

Applicant: Panasonic Corporation ,  KODAMA, Nobutaka ,  KOGA, Hisao

Inventor： KODAMA, Nobutaka ,  KOGA, Hisao

IPC: H04L27/26 ,  H04J3/06

Abstract: A communication apparatus for transmitting transmission data containing a preamble and a postamble is provided. The communication apparatus includes: a phase vector assigning unit which assigns a first phase vector to a plurality of subcarriers relating to the preamble and assigns a second phase vector to a plurality of subcarriers relating to the postamble, the first phase vector being different from the second phase vector.

公开(公告)号：WO2008123579A3

公开(公告)日：2008-12-24

申请号：PCT/JP2008056651

申请日：2008-03-27

Applicant: PANASONIC CORP ,  KOGA HISAO ,  KODAMA NOBUTAKA

Inventor： KOGA HISAO ,  KODAMA NOBUTAKA

IPC: H04L12/413

CPC classification number: H04L12/413 ,  H04B3/542 ,  H04B2203/5454 ,  H04L12/40013 ,  H04L27/2647 ,  H04L2027/0024

Abstract: A communication apparatus which performs a carrier detection and is connected to a transmission line includes: a carrier detecting means for detecting a first control signal for the carrier detection and a second control signal for the carrier detection; a comparing means for comparing carrier detecting results obtained by the carrier detecting means; and a control means for controlling at least one of a symbol length of the first control signal and a symbol length of the second control signal based upon a comparison result obtained by the comparing means.

Abstract translation: 执行载波检测并连接到传输线路的通信装置包括：载波检测装置，用于检测用于载波检测的第一控制信号和用于载波检测的第二控制信号; 用于比较由载波检测装置获得的载波检测结果的比较装置; 以及控制装置，用于基于由比较装置获得的比较结果来控制第一控制信号的符号长度和第二控制信号的符号长度中的至少一个。

公开(公告)号：WO2007043705A9

公开(公告)日：2007-06-07

申请号：PCT/JP2006320804

申请日：2006-10-12

Applicant: MATSUSHITA ELECTRIC IND CO LTD ,  KOGA HISAO ,  KODAMA NOBUTAKA

Inventor： KOGA HISAO ,  KODAMA NOBUTAKA

IPC: H04B3/54

CPC classification number: H04L5/0007 ,  H04B3/54 ,  H04B3/542 ,  H04B2203/5408 ,  H04B2203/542 ,  H04B2203/5445 ,  H04B2203/5454 ,  H04L5/0032 ,  H04L5/0094 ,  H04L5/1438 ,  H04L27/0006

Abstract: A communication apparatus repeatedly outputs a first multi-carrier signal SS during predetermined periods T1, T2, T3,..., and outputs a second multi-carrier signal RS whose phase vector is different from that of the first multi-carrier signal SS, at a predetermined timing based on the first multi-carrier signal SS. The communication apparatus further detects the second multi-carrier signal RS output from another communication apparatus, which uses a different communication method from the communication apparatus. Accordingly, both communication apparatuses can differentiate the first multi-carrier signal SS from the second multi-carrier signal RS without performing relatively cumbersome modulation and other processes.

Abstract translation: 通信装置在预定周期T1，T2，T3，...期间重复输出第一多载波信号SS，并输出相位矢量与第一多载波信号SS的相位矢量不同的第二多载波信号RS， 在基于第一多载波信号SS的预定定时。 通信装置还检测从使用与通信装置不同的通信方法的另一通信装置输出的第二多载波信号RS。 因此，两个通信装置都可以区分第一多载波信号SS与第二多载波信号RS，而不执行相对繁琐的调制和其他处理。

公开(公告)号：WO2007043705A1

公开(公告)日：2007-04-19

申请号：PCT/JP2006/320804

申请日：2006-10-12

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  KOGA, Hisao ,  KODAMA, Nobutaka

Inventor： KOGA, Hisao ,  KODAMA, Nobutaka

IPC: H04B3/54

CPC classification number: H04L5/0007 ,  H04B3/54 ,  H04B3/542 ,  H04B2203/5408 ,  H04B2203/542 ,  H04B2203/5445 ,  H04B2203/5454 ,  H04L5/0032 ,  H04L5/0094 ,  H04L5/1438 ,  H04L27/0006

Abstract: A communication apparatus repeatedly outputs a first multi-carrier signal SS during predetermined periods T1, T2, T3,..., and outputs a second multi-carrier signal RS whose phase vector is different from that of the first multi-carrier signal SS, at a predetermined timing based on the first multi-carrier signal SS. The communication apparatus further detects the second multi-carrier signal RS output from another communication apparatus, which uses a different communication method from the communication apparatus. Accordingly, both communication apparatuses can differentiate the first multi-carrier signal SS from the second multi-carrier signal RS without performing relatively cumbersome modulation and other processes.

Abstract translation: 通信设备在预定周期T1，T2，T3，...期间重复输出第一多载波信号SS，并且输出第二多载波信号RS，其相位向量不同于 第一多载波信号SS在基于第一多载波信号SS的预定定时处。 通信设备还检测从使用与通信设备不同的通信方法的另一通信设备输出的第二多载波信号RS。 因此，两个通信设备都可以在不执行相对繁琐的调制和其他处理的情况下区分第一多载波信号SS和第二多载波信号RS。

公开(公告)号：WO2007032419A1

公开(公告)日：2007-03-22

申请号：PCT/JP2006/318228

申请日：2006-09-07

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  KOGA, Hisao ,  KODAMA, Nobutaka

Inventor： KOGA, Hisao ,  KODAMA, Nobutaka

IPC: H04B3/54

CPC classification number: H04B3/542 ,  H04B2203/5425

Abstract: A transmitted digital signal from a digital signal processor is converted into an analog signal at an analog circuit, and then transmitted from transmission lines via a communication transformer. A communication apparatus has a plurality of communication modes that perform communication in different communication ranges. A controller in the digital signal processor changes an output level of the transmitted signal according to the communication modes. More specifically, the controller detects communication quality of the transmitted signal and lowers the output level of the transmitted signal within a range where the detected communication quality does not fall below predetermined quality.

Abstract translation: 来自数字信号处理器的发送的数字信号在模拟电路处被转换为模拟信号，然后经由通信变压器从传输线路发送。 通信装置具有在不同通信范围内进行通信的多种通信模式。 数字信号处理器中的控制器根据通信模式改变发送信号的输出电平。 更具体地，控制器检测发送信号的通信质量，并且在检测到的通信质量不低于预定质量的范围内降低发送信号的输出电平。

公开(公告)号：WO2007004746A1

公开(公告)日：2007-01-11

申请号：PCT/JP2006/313808

申请日：2006-07-05

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  KOGA, Hisao ,  KODAMA, Nobutaka

Inventor： KOGA, Hisao ,  KODAMA, Nobutaka

IPC: H04L27/26 ,  H04L5/02

CPC classification number: H04L27/0004 ,  H04B2203/5408 ,  H04B2203/5445 ,  H04L27/2642 ,  H04L27/2655

Abstract: A multicarrier digital transmission signal from digital signal processing unit 1 is converted to an analog signal in analog circuit 2, and is transmitted from transmission lines 61 and 62 via communication transformer 3. Digital signal processing unit 1 includes time carrier detector 12 that detects existence and non-existence of a carrier generated by another apparatus using the transmission line, by using a time waveform of a reception signal and frequency carrier detector 13 that detects existence or non-existence of the carrier by using frequency characteristics of the reception signal. Under the control of the controller 11, carrier detection is performed by switching between activating time carrier detector 12 and frequency carrier detector 13 for operation.

Abstract translation: 来自数字信号处理单元1的多载波数字传输信号被转换为模拟电路2中的模拟信号，并且经由通信变压器3从传输线61和62发送。数字信号处理单元1包括检测存在和 通过使用通过使用接收信号的频率特性来检测载波的存在或不存在的接收信号和频率载波检测器13的时间波形，不存在使用传输线的另一装置生成的载波。 在控制器11的控制下，通过在激活时间载波检测器12和频率载波检测器13之间切换来进行载波检测以进行操作。

公开(公告)号：WO2007004739A1

公开(公告)日：2007-01-11

申请号：PCT/JP2006/313644

申请日：2006-07-04

Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ,  KURODA, Go ,  KUROBE, Akio ,  IKEDA, Koji ,  KOGA, Hisao ,  IGATA, Yuji ,  YAMADA, Hirotoshi ,  MIZUGAI, Yoshinori ,  OKAMOTO, Hiromu ,  OHSHIMA, Junichi ,  TAKASU, Shigeru ,  SUGITA, Takehiro

Inventor： KURODA, Go ,  KUROBE, Akio ,  IKEDA, Koji ,  KOGA, Hisao ,  IGATA, Yuji ,  YAMADA, Hirotoshi ,  MIZUGAI, Yoshinori ,  OKAMOTO, Hiromu ,  OHSHIMA, Junichi ,  TAKASU, Shigeru ,  SUGITA, Takehiro

IPC: H04B3/54 ,  H04L12/28

CPC classification number: H04W16/10 ,  H04B2203/5408

Abstract: An in-home-system master station (111) of an in-home communication system (110) detects a frequency band (a channel number corresponding to a data communication subchannel (212)) or a time slot used by each station of an access communication system (120), using a coexistence signal subchannel (211). Based on the detected information, the in-home-system master station (111) determines a frequency band or a time slot to be used in the in-home communication system (110) to which the in-home-system master station (111) belongs, so as not to avoid overlapping the frequency or time slot used in the access communication system (120), and informs each in-home-system slave station (112) of the determined frequency band or time slot.

Abstract translation: 家庭内通信系统（110）的家庭内系统主站（111）检测频段（对应于数据通信子信道（212）的频道号）或每个站使用的接入时间 通信系统（120），使用共存信号子信道（211）。 家庭内系统主站（111）基于检测到的信息，确定家庭内系统主站（111）内的家庭内通信系统（110）中使用的频带或时隙 ）属于，以便避免与接入通信系统（120）中使用的频率或时隙重叠，并且将每个家庭内系统从站（112）通知所确定的频带或时隙。

公开(公告)号：WO2005015865A1

公开(公告)日：2005-02-17

申请号：PCT/JP2004/011649

申请日：2004-08-06

Applicant: Matsushita Electric Industrial Co., Ltd. ,  KOGA, Hisao ,  KODAMA, Nobutaka ,  KONISHI, Taisuke

Inventor： KOGA, Hisao ,  KODAMA, Nobutaka ,  KONISHI, Taisuke

IPC: H04L27/26

CPC classification number: H04L27/2601 ,  H04B3/54 ,  H04B14/023 ,  H04B2203/5416 ,  H04B2203/5425 ,  H04B2203/5491 ,  H04L1/0009 ,  H04L1/18 ,  H04L5/0046 ,  H04L25/022 ,  H04L25/03159 ,  H04L27/0004 ,  H04L2025/03414

Abstract: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path and determines a multi-value level of a primary modulation which is used by each sub-carrier of a symbol mapper in a transmitting device, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.

Abstract translation: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器，转换器，其转换接收信号以使得能够处理相位信息;载波检测器，其检测接收的存在或不存在 信号，从接收信号中提取同步定时的同步电路，校正接收信号以消除传输路径的影响的均衡器，估计电力线传输路径的状态的传输路径估计器， 发送装置中的符号映射器的每个子载波使用的一次调制的值电平，以及通过使用阈值来判断由均衡器修正的接收信号的判断单元。

公开(公告)号：WO2008123579A2

公开(公告)日：2008-10-16

申请号：PCT/JP2008/056651

申请日：2008-03-27

Applicant: PANASONIC CORPORATION ,  KOGA, Hisao ,  KODAMA, Nobutaka

Inventor： KOGA, Hisao ,  KODAMA, Nobutaka

IPC: H04L12/40 ,  H04L27/26

CPC classification number: H04L12/413 ,  H04B3/542 ,  H04B2203/5454 ,  H04L12/40013 ,  H04L27/2647 ,  H04L2027/0024

Abstract: A communication apparatus which performs a carrier detection and is connected to a transmission line includes: a carrier detecting means for detecting a first control signal for the carrier detection and a second control signal for the carrier detection; a comparing means for comparing carrier detecting results obtained by the carrier detecting means; and a control means for controlling at least one of a symbol length of the first control signal and a symbol length of the second control signal based upon a comparison result obtained by the comparing means.

Abstract translation: 执行载波检测并连接到传输线路的通信设备包括：载波检测装置，用于检测用于载波检测的第一控制信号和用于载波检测的第二控制信号;载波检测装置， 比较装置，用于比较载波检测装置获得的载波检测结果; 以及控制装置，用于根据比较装置获得的比较结果控制第一控制信号的符号长度和第二控制信号的符号长度中的至少一个。