发明名称 |
Transmission/reception digital circuit in CDMA system |
摘要 |
The present invention relates to a digital transmitting/receiving circuit ( 1 ) intended to be mounted on at least one source and on at least one concentrator exchanging binary symbols with the said sources, the said circuit ( 1 ) comprising a transmitter ( 2 ) capable of transmitting the said binary symbols and a receiver ( 4 ) capable of receiving symbols transmitted by a source, the circuit ( 1 ) being characterized in that the transmitter ( 2 ) comprises a first module ( 20 ) intended to generate at least one binary code for effecting the spectral spreading of symbols to be transmitted and a second module ( 22 ) intended to generate at least one internal clock signal for synchronizing the reception of symbols transmitted by a source, and in that the said receiver comprises means ( 46, 48 ) for detecting new sources of transmission and means ( 49 ) for generating synchronization signals and power control signals corresponding to each new source detected.
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申请公布号 |
US7421007(B2) |
申请公布日期 |
2008.09.02 |
申请号 |
US20030450815 |
申请日期 |
2003.06.18 |
申请人 |
COMMISSARIAT A L'ENERGIE ATOMIQUE |
发明人 |
LATTARD DIDIER;LEQUEPEYS JEAN-RENE;VARREAU DIDIER;OUVRY LAURENT |
分类号 |
H04B1/707;H04B7/005;H04B7/216 |
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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