Company Filing History:
2 out of 1,033 
1 out of 1,334 
1 out of 4,197 
Years Active: 1996-2013
Title: The Innovations of Andrew MacDonald
Introduction
Andrew MacDonald is an accomplished inventor based in Damascus, MD (US). He holds a total of four patents, showcasing his significant contributions to the field of communications technology. His work primarily focuses on advanced modulation schemes and systems that enhance data transmission capabilities.
Latest Patents
One of Andrew MacDonald's latest patents is the "Space-time coded OFDM system for MMDS applications." This innovative communications system features a base station designed to transmit signals modulated according to a predetermined modulation scheme and an orthogonal frequency division multiplexing scheme. The signal is encoded using space-frequency coding, and the base station incorporates multiple-input multiple-output (MIMO) transceivers. The system also includes a terminal configured to receive the modulated signal, making it particularly applicable for providing multichannel multipoint distribution services (MMDS) over a radio communications system.
Career Highlights
Throughout his career, Andrew MacDonald has worked with notable companies such as DirecTV Group, Inc. and Hughes Electronics Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in communication technologies.
Collaborations
Andrew has collaborated with several professionals in his field, including A Roger Hammons, Jr. and Hesham El-Gamal. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Andrew MacDonald is a prominent inventor whose work in communications technology has led to significant advancements in the field. His innovative patents and collaborations reflect his dedication to enhancing data transmission systems.