发明名称 |
APPARATUS AND METHOD FOR SYNCHRONIZING BASE SITES INDIVIDUALLY IN A COMMUNICATION SYSTEM |
摘要 |
A method for generating a timing signal of a base site, each base site receiving an external high accuracy signal (218) for using as a first reference signal. In order to ensure the synchronization of the base sites in all conditions the method comprises the steps of: comparing a primary clock signal (210) with a secondary clock signal (212) for producing an adjustment signal (217); adjusting as a response to said adjustment signal (217) the phase and frequency of the secondary clock signal (212); storing an adjustment signal information in a memory (203); in the presence of the external high accuracy signal, selecting the primary clock signal (210) as the timing signal; in the absence of the external signal, selecting the secondary clock signal (212) as the timing signal. |
申请公布号 |
WO9705722(A2) |
申请公布日期 |
1997.02.13 |
申请号 |
WO1996FI00421 |
申请日期 |
1996.07.25 |
申请人 |
NOKIA TELECOMMUNICATIONS OY;OJANIEMI, HEIKKI |
发明人 |
OJANIEMI, HEIKKI |
分类号 |
H04B7/26;H04J3/06;H04L7/00 |
主分类号 |
H04B7/26 |
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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