Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-05-22
2007-05-22
Ramakrishnaiah, Melur (Department: 2614)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S340000, C455S296000, C455S278100, C370S320000
Reexamination Certificate
active
10021378
ABSTRACT:
A delay-and-add filtering technique positions one or more filter nulls substantially at points of narrowband interference in a relatively wideband received signal. For example, the technique is useful in removing adjacent channel interference in a received W-CDMA signal caused GSM radio transmissions.
REFERENCES:
patent: 5162900 (1992-11-01), Citta
patent: 5774505 (1998-06-01), Baugh
Camp, Jr. William O.
Fulghum Tracy L.
Ramesh Rajaram
Wang Yi-Pin Eric
Coats & Bennett PLLC
Ericsson Inc.
Ramakrishnaiah Melur
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