Patent ID: 6570858
Filing Date: 2003-05-27
Classification: H04B

Abstract:
A communications system comprising:a communication satellite transmitting first data during a first sub-frame of a time division multiple access (TDMA) frame and receiving second data during a second sub-frame of said TDMA frame, said second sub-frame following said first sub-frame; a subscriber unit configured to receive said first data and transmit said second data; and a terrestrial repeater receiving said first data from said communication satellite using a first link during said first sub-frame, delaying said first data by substantially a sub-frame duration, and transmitting said first data to said subscriber unit using a second link, and said terrestrial repeater receiving said second data from said subscriber unit using said second link, delaying said second data by substantially said sub-frame duration, and transmitting said second data to said communication satellite using said first link during said second sub-frame.