| 摘要 |
A method for adjusting a time offset of GPS signals in a CDMA mobile phone includes: generating periodic waves and transmitting to the GPS simulator; generating CDMA RF signals and transmitting to the combiner; clocking a first delay time starting when the periodic waves are transmitted to a time the CDMA RF signals are transmitted; receiving the periodic waves; generating GPS RF signals and transmitting the signals to the combiner; clocking a second delay time starting when the periodic waves are received to a time the GPS RF signals are transmitted; generating combined signals and transmitting to the CDMA mobile phone; clocking a third delay time starting when the CDMA RF signals are received to a time the GPS RF signals are received; and calculating a time offset between CDMA signals and GPS signals according to the first delay time, the second delay time, and the third delay time.
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