发明名称 |
Mobile communications device, system, and method using spread spectrum transmission |
摘要 |
The device uses a chip clock signal (34) and an antenna radio circuit for receiving and sending information. A spreading code is generated (35) on the basis of the chip clock signal. A signal is despreaded receivedby the antenna radio circiot. A correlation output circuit extracts a correlation output from the despread signal and spreads a transmission signal on the basis of the spreading code. Independent claims describe a mobile communication device and a communication system. |
申请公布号 |
EP1047202(A2) |
申请公布日期 |
2000.10.25 |
申请号 |
EP20000108664 |
申请日期 |
2000.04.20 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
HAYAKAWA, TADASHI |
分类号 |
H04B1/707;H04B1/7113;H04B7/26;H04L7/00;H04W4/24;H04W28/22;H04W52/02;H04W52/26;H04W76/02 |
主分类号 |
H04B1/707 |
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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