Synchronous demodulation apparatus of base transceiver...

Details Synchronous demodulation apparatus of base transceiver... Synchronous demodulation apparatus of base transceiver...

2007-01-23

2007-01-23

Maung, Nay (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S295000, C455S296000, C455S303000, C455S304000, C455S561000, C370S203000, C370S319000, C370S335000, C370S342000, C375S144000, C375S148000, C375S316000, C375S346000

Reexamination Certificate

active

10330737

ABSTRACT:
The present invention provides a synchronous demodulation apparatus of a base transceiver station in an Interim Standard-2000 (IS-2000) system, including a first synchronous demodulation unit, a received signal delay unit, an interference signal regeneration unit and a second synchronous demodulation unit. In comparison with an asynchronous demodulation apparatus used in an Interim Standard-95 (IS-95), it is possible for the inventive apparatus to improve a reception function approximately 3dB and ultimately increase the number of subscribers.

REFERENCES:
patent: 5799010 (1998-08-01), Lomp et al.
patent: 6081516 (2000-06-01), Yoshida et al.
patent: 6792034 (2004-09-01), Lee et al.
patent: 2002/0044537 (2002-04-01), Cooper et al.
patent: 0784385 (1997-07-01), None
patent: 0823796 (1998-02-01), None
patent: 0954112 (1999-11-01), None

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