Up-conversion modulation loop for multi-mode mobile...

Details Up-conversion modulation loop for multi-mode mobile... Up-conversion modulation loop for multi-mode mobile...

2007-07-03

2007-07-03

Anderson, Matthew (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Frequency or phase modulation

C455S260000, C455S316000, C455S333000, C375S271000, C375S284000, C375S298000

Reexamination Certificate

active

10750771

ABSTRACT:
The present invention relates to a signal modulation loop for the multi-mode mobile communication. The adaptive up-conversion modulation loop is applied in the multi-mode mobile communication, and is used for signal integration for the communication system comprising the second generation communication system, the global system for mobile communication (GSM), and the third generation communication system, the wideband code division multiple access (WCDMA), so as to achieve the object of multi-mode communication by using a single modulation loop.

REFERENCES:
patent: 6560297 (2003-05-01), Broughton
patent: 6693969 (2004-02-01), Montalvo et al.
patent: 2004/0017858 (2004-01-01), Rozenblit et al.
patent: 2004/0053595 (2004-03-01), Shinbo et al.
patent: 2004/0097210 (2004-05-01), Sato

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