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Bell Labs Lab engineers Douglas H. Ring and W. Rae Young, proposed a new technology that did not exist at the time: hexagonal cells for mobile phones in vehicles.
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Sweden launched the first mobile phone system for vehicles called MTA
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Richard H. Frenkiel, Joel S. Engel and Philip T. Porter of Bell Labs Porter proposed that the cell towers use the current directional antennas to reduce interference and increase channel reuse
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Motorola's researcher Martin Cooper produced a handheld mobile phone.
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A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.