Andrew MacDonald

Person

Damascus, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Space-time coded OFDM system for MMDS applications
- Patent number 8,374,272
- Issue date Feb 12, 2013
- The DIRECTV Group, Inc.
- A. Roger Hammons
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space-time coded OFDM system for MMDS applications
- Patent number 7,342,875
- Issue date Mar 11, 2008
- The DIRECTV Group, Inc.
- A. Roger Hammons, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Half rate coded modulation schemes for Rayleigh fading channels
- Patent number 6,031,474
- Issue date Feb 29, 2000
- Stanley E. Kay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error correcting decoder and decoding method for receivers in digit...
- Patent number 5,606,569
- Issue date Feb 25, 1997
- Hughes Electronics
- Andrew J. MacDonald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Symbol timing recovery using fir data interpolators
- Patent number 5,524,126
- Issue date Jun 4, 1996
- Hughes Electronics
- Richard Clewer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for estimating phase error
- Patent number 5,504,453
- Issue date Apr 2, 1996
- Hughes Aircraft Company
- Andrew MacDonald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vestigial identification for co-channel interference in cellular co...
- Patent number 5,390,197
- Issue date Feb 14, 1995
- Hughes Aircraft Company
- Andrew J. MacDonald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cellular system having frequency plan and cell layout with reduced...
- Patent number 5,365,571
- Issue date Nov 15, 1994
- Hughes Aircraft Company
- Peter S. Rha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Space-time coded OFDM system for MMDS applications
- Publication number 20080130772
- Publication date Jun 5, 2008
- A. Roger Hammons
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Space-time coded OFDM system for MMDS applications
- Publication number 20020165626
- Publication date Nov 7, 2002
- A. Roger Hammons
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Andrew MacDonald

Person

Patents Grantslast 30 patents

Space-time coded OFDM system for MMDS applications

Space-time coded OFDM system for MMDS applications

Half rate coded modulation schemes for Rayleigh fading channels

Error correcting decoder and decoding method for receivers in digit...

Symbol timing recovery using fir data interpolators

Method and device for estimating phase error

Vestigial identification for co-channel interference in cellular co...

Cellular system having frequency plan and cell layout with reduced...

Patents Applicationslast 30 patents

Space-time coded OFDM system for MMDS applications

Space-time coded OFDM system for MMDS applications