发明名称 |
Communication apparatus, communication system and communication method |
摘要 |
It is an object of the invention to provide a communication apparatus, a communication system and a communication method enabling efficient transmission in accordance with a situation of a wired transmission line and capable of reducing an influence by a radiation power of the transmission line. The communication apparatus of the invention executes wired transmission using a plurality of sub carriers and includes a transmission signal generator for generating a transmission signal, and a transmission signal controller for controlling a transmission power of the transmission signal generated by the transmission signal generator based on a radiation power in a transmission line in correspondence with a frequency of the sub carrier, and a transmitter for transmitting the transmission signal the transmission power of which is controlled by the transmission signal controller via the transmission line. |
申请公布号 |
US2007081551(A1) |
申请公布日期 |
2007.04.12 |
申请号 |
US20050574950 |
申请日期 |
2005.05.27 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OISHI MUTSUHIKO;HANADA TSUNEHIRO;ICHIHARA FUMIO;AKIHIRO YAMASHITA;MASAHIRO MAKI;TOSHIYUKI WAKISAKA |
分类号 |
H04L12/66;H04B3/50;H04B3/54;H04B7/005;H04B17/00;H04L5/02;H04L27/26;H04M11/06 |
主分类号 |
H04L12/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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