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    • 3. 发明申请
    • TRANSMITTING/RECEIVING APPARATUS AND CORRESPONDING METHOD FOR A COMMUNICATION NETWORK
    • 发送/接收装置和通信网络的相应方法
    • WO2004102915A1
    • 2004-11-25
    • PCT/JP2004/006670
    • 2004-05-12
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.KUROBE, AkioIKEDA, KojiKURODA, GouYOSHIZAWA, Kensuke
    • KUROBE, AkioIKEDA, KojiKURODA, GouYOSHIZAWA, Kensuke
    • H04L27/26
    • H04L49/3072H04L1/0003H04L1/1874H04L1/188H04L27/0004H04L27/2601H04W28/06
    • A transmitting/receiving apparatus (100) includes a packet construction section (9) for dividing continuous data into a plurality of subpackets, and constructing a packet by concatenating the plurality of subpackets; a modulation transmission section (1,2,3) for modulating the constructed packet, and transmitting the modulated packet to another apparatus; a training session execution section (1, S115) for checking channel conditions, when a predetermined condition is satisfied, and changing a modulation rule; and a subpacket transmission confirmation section (1, S110) for confirming whether or not a subpacket included in the transmitted packet is transmitted successfully to the transmission destination apparatus. If the modulation rule is changed by the training session execution section, the packet construction section reconstructs a new packet by concatenating a subpacket, which is confirmed as an unsuccessfully-transmitted subpacket, with subpackets newly generated from the continuous data, and the modulation transmission section modulates the reconstructed new packet, and transmits the modulated packet..
    • 发送/接收装置(100)包括用于将连续数据分割成多个子分组的分组构造部分(9),并且通过连接多个子分组来构建分组; 调制发送部分(1,2,3),用于调制构成的分组,并将调制分组发送到另一装置; 用于当满足预定条件并且改变调制规则时检查信道条件的训练会话执行部分(1,S115); 以及用于确认包含在所发送的分组中的子分组是否被成功发送到发送目的地装置的子分组传输确认部分(1,S110)。 如果由训练对话执行部改变了调制规则,则分组构成部通过将被确认为未成功发送的子分组的子分组连接到从连续数据新生成的子分组来重构新的分组,并且调制发送部 调制重构的新分组,并发送调制分组。
    • 6. 发明申请
    • SYNCHRONIZATION POINT DETECTION METHOD AND POWER LINE COMMUNICATION APPARATUS
    • 同步点检测方法和电力线通信装置
    • WO2009151153A1
    • 2009-12-17
    • PCT/JP2009/061144
    • 2009-06-12
    • Panasonic CorporationIKEDA, Koji
    • IKEDA, Koji
    • H04B3/54
    • H04B3/544H04B2203/5483
    • A method for detecting a synchronization point of an alternating power in comparing the alternating waveform with a threshold voltage is provided. The method includes the steps of: detecting a rising point at which the voltage of the alternating waveform changes from a level lower than the threshold voltage to a level equal to or higher than the threshold voltage; detecting a falling point at which the voltage of the alternating waveform changes from a level equal to or higher than the threshold voltage to a level lower than the threshold voltage; measuring a first interval from the rising point to the falling point subsequent to the rising point; measuring a second interval from the falling point to the rising point subsequent to the falling point; and determining the synchronization point based on a difference between the length of the first interval and the length of the second interval.
    • 提供了一种用于在将交流波形与阈值电压进行比较时检测交流功率的同步点的方法。 该方法包括以下步骤:检测交流波形的电压从低于阈值电压的电平变为等于或高于阈值电压的电平的上升点; 检测交流波形的电压从等于或高于阈值电压的电平变为低于阈值电压的电平的下降点; 测量从上升点到上升点之后的下降点的第一间隔; 测量从下降点到下降点之后的上升点的第二个间隔; 以及基于所述第一间隔的长度与所述第二间隔的长度之间的差来确定所述同步点。
    • 10. 发明申请
    • PACKET CLASSIFICATION AND CONCATENATION OVER POWER LINE COMMUNICATION SYSTEMS
    • 电源线通信系统中的分组分类和定位
    • WO2004102906A1
    • 2004-11-25
    • PCT/JP2004/006566
    • 2004-05-10
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.IKEDA, KojiKUROBE, AkioKURODA, GouYOSHIZAWA, Kensuke
    • IKEDA, KojiKUROBE, AkioKURODA, GouYOSHIZAWA, Kensuke
    • H04L12/56
    • H04L47/10H04L12/2801H04L47/2441H04L47/28H04L47/32
    • A communication terminal device of the present invention includes: a packet classification section (103) for classifying the packets by stream types and destinations; a packet accumulation section (104-107) for accumulating the packets classified by the packet classification section, so as to be separately stored based on classification by the stream types and the destinations; a QoS control section (113) for determining a transmission start requirement based on a QoS parameter which defines a transmission quality of a stream; a transmission control section (108) for determining whether the transmission start requirement is satisfied; a framing section (109) for generating the frame by concatenating the packets accumulated in the packet accumulation section if it is determined by the transmission control section that the transmission start requirement is satisfied; and a transmission section (110) for transmitting the frame generated by the framing section to a destination communication terminal device.
    • 本发明的通信终端装置包括:分组分类部,用于通过流类型和目的地对分组进行分类; 分组累积部分(104-107),用于累积由分组分类部分分类的分组,以便根据流类型和目的地的分类单独存储; QoS控制部分,用于基于限定流的传输质量的QoS参数来确定传输开始要求; 用于确定是否满足发送开始要求的发送控制部分(108) 如果由传输控制部分确定满足传输开始要求,则通过连接在分组累积部分中累积的分组来生成帧的成帧部分(109) 以及用于将由所述成帧部生成的帧发送到目的地通信终端装置的发送部(110)。