Well, if you build a PLL it should not be too hard to keep it running in the channel for the moments that the reference signal is off.
Thomas
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20 years ago
mobile (cell) phone jamming
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20 years ago
Shouldn't need the complexity, phones only just manage not RX their own TX
45MHz away under normal conditionsSteve Terry
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20 years ago
the
The GSM downlink and uplink bursts are spaced 3 burst periods apart, with the downlink burst occurring first. This means that (in the case of frequency hopping enabled) the GSM mobile will be receiving and transmitting on Channel A before moving on immediately to a different channel from its next reception and transmission. In this case, I doubt such a simple "delayed-feedback-interferer" would actually jam a GSM mobile station in practice under normal conditions .