Radio communication system and method for calculating transmission timing between a terminal unit and a base station based upon location, distance, or propagation time
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United States of America Patent
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Feb 28, 2006
Grant Date -
N/A
app pub date -
Oct 25, 1999
filing date -
Mar 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Radio communication system and method capable of expanding the coverage of a radio base station and thereby permitting efficient radio communications. A continuous time slot allocating unit continuously allocates time slots in a frame to generate a continuous time slot. During the period of the continuous time slot, a propagation information calculating unit communicates with a terminal unit to calculate propagation information about radio wave propagation between the radio base station and the terminal unit. Also, during the period of the continuous time slot, a transmission timing calculating unit calculates, based on the propagation information, transmission timing for a signal to be transmitted from the terminal unit to the radio base station. Signal transmitting unit transmits the signal in accordance with the transmission timing.
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