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    • 104. 发明专利
    • Radio communication system and radio communication method
    • 无线电通信系统和无线电通信方法
    • JP2014053904A
    • 2014-03-20
    • JP2013197337
    • 2013-09-24
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • MASUNO ATSUSHISUGIYAMA TAKATOSHI
    • H04J11/00H04L1/00H04W16/14H04W72/04
    • H04L27/0006H04J11/0066H04L1/0003H04L1/0026H04L1/0065H04L5/0007H04L5/0048H04L5/0062H04L5/0073H04L25/0228H04L27/2601H04L27/2611
    • PROBLEM TO BE SOLVED: To provide a radio communication system used for radio signal transmission constituted by a plurality of subcarriers, and including a transmitter device and a receiver device capable of detecting an interference signal.SOLUTION: A transmitter device performs error correction coding on transmission target data to be transmitted, to transmit data obtained by the error correction coding with a null subcarrier, having a null amplitude value of at least one subcarrier, among the plurality of subcarriers used for data transmission obtained by the error correction coding. A receiver device receives the plurality of subcarrier signals from the transmitter device, and performs error correction decoding on each received signal to obtain the transmission target data. On detecting reception power exceeding a preset reference value on a subcarrier that uses the null subcarrier, the receiver device determines the occurrence of interference in the subcarrier.
    • 要解决的问题:提供一种用于由多个子载波构成的无线电信号传输的无线电通信系统,并且包括能够检测干扰信号的发射机设备和接收机设备。解决方案:发射机设备对传输进行纠错编码 在通过纠错编码获得的用于数据传输的多个子载波中,通过具有至少一个子载波的零幅度值的无效副载波来发送通过纠错编码获得的数据。 接收机装置从发送装置接收多个副载波信号,对各接收信号进行纠错解码,得到发送对象数据。 接收机装置在检测到使用无效副载波的子载波上超过预设参考值的接收功率时,确定副载波中的干扰的发生。