Patent ID: 6011786
Filing Date: 2000-01-04
Classification: H04B,H04W

Abstract:
A cellular radiotelephone communications system, the system comprising:a plurality of cells for communicating with radiotelephones; andtime division multiple access (TDMA) communicating means for communicating radiotelephone communications channels in a plurality of cells over a plurality of carrier frequency bands during a plurality of sequential time slots such that said plurality of carrier frequency bands and said plurality of time slots define a plurality of time/frequency windows, said TDMA communicating means including:first cell TDMA communicating means for communicating radiotelephone communications channels in a first cell, said first cell TDMA communicating means communicating a first control channel associated with said first cell using a first time/frequency window; andsecond cell TDMA communicating means for communicating radiotelephone communications channels in a second cell, said second cell TDMA communicating means communicating said first control channel and a traffic channel using said first time/frequency window, said second cell TDMA communicating means communicating said first control channel in said second cell using said first time/frequency window when said first time/frequency window is not used for communication of a traffic channel.