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In Porter's design, the cell sites can flexibly assign channels to handheld phones based on signal strength, allowing the same frequency to be re-used in various locations without interference. This allowed a larger number of phones to be supported over a geographical area. His work in preorigination
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during the years of transition from radio telephones to modern cellular mobile communications. Porter was the Bell Labs engineer who proposed that cell towers be at the corners of the hexagon cells rather than the centers and have directional antennas that would transmit/receive in 3 directions into
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After spending much of his adult life in New Jersey near the Bell
Laboratories headquarters where he worked, Porter retired to WellSpring in Greensboro, North Carolina in 2000. Porter was inducted into the Wireless Hall of Fame in 2016 as a recognition for his role in the cellular industry.
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During the 1960s and 1970s, Porter was a key partner in the international negotiation of bandwidths and international standards involving systems, signaling, and controlling implications of cellular service. These activities led to cellular service becoming commercial viable.
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Porter was born in rural
Clinton, Kentucky, USA. He received a BA in physics (1952), MA in physics (1953), and a PhD (1955?) from Vanderbilt University, graduating magna cum laude and
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Richard H. Frenkiel, Joel S. Engle, and Philip T. Porter, "High
Capacity Mobile Telephone System Feasibility Studies and System Plan", proposal filed with the FCC in 1971.
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Verne H. MacDonald, Philip T. Porter, W. Rae Young, "Cellular high capacity mobile radiotelephone system with fleet-calling arrangement for dispatch service",
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Li Fung Chang and Philip T. Porter, "Performance comparison of antenna diversity and slow frequency hopping for the TDMA portable radio channel",
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He was the recipient of several awards for his work, notably from the IEEE (engineering society). As of
January 1, 1990, Porter was elected an
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30:(March 18, 1930 - March 30, 2011) was an electrical engineer and one of the guiding pioneers of the invention and development of early
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and Philip T. Porter, "Data
Services in a TDMA Digital Portable Radio System", Global Telecommunications Conf., GLOBECOM '90, 1990.
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He and his wife Louise (Jett) Porter had a daughter Sara Shelby Taylor, a son Philip C. Porter, and three grandchildren.
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Fellow "for contributions to the planning, definition, and design of mobile cellular radio communications and services."
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dialing (entering the number, then hitting the Send key), improved efficiency of placing cell phone calls.
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Philip T. Porter, "Relationships for Three-dimensional
Modeling of Co-channel Reuse",
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Z. C. Fluhr and Philip T. Porter, "AMPS: Control
Architecture",
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180:"IEEE Fellows 1990 | IEEE Communications Society"
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140:History of mobile phones#Cellular concepts
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