发明名称 |
COMMUNICATION SYSTEM USING LOW BANDWIDTH WIRES |
摘要 |
A high frequency signal is down-converted into an intermediate frequency signal, transmitted over a limited bandwidth medium from a master unit to a remote unit and up-converted back into its original high frequency at the remote unit. The up-conversion is aided by reconstruction of a reference signal embedded at the master unit as a carrier for a management signal which is transmitted to the remote unit through the same limited bandwidth medium together with the intermediate frequency signal. The reference signal is reconstructed using a phase locked loop which includes a charge pump and is kept stable during intervals between bits and messages by a charge pump shutter. |
申请公布号 |
US2010309931(A1) |
申请公布日期 |
2010.12.09 |
申请号 |
US20080739143 |
申请日期 |
2008.10.22 |
申请人 |
MOBILEACCESS NETWORKS LTD. |
发明人 |
SHAPIRA ISAAC;SABAN OFER;SHAPIRA YAIR ZEEV |
分类号 |
H04J1/00 |
主分类号 |
H04J1/00 |
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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