Patent ID: 7230942

Claim:
A method of communicating blocks of information in a wireless sectorized frequency division multiplexing communications cell including a base station, a first sector and a second sector, the second sector being located adjacent said first sector, said blocks including blocks of a first size, blocks of a second size, and blocks of a third size, the method comprising: allocating a first set of tones to a first communications channel in each of the first and second sectors; allocating a second set of tones to a second communications channel in each of the first and second sectors; allocating a third set of tones to a third communications channel in each of the first and second sectors; using the first set of tones in the first sector during a first period of time to communicate information corresponding to blocks of the first size while having the tones in the first set of tones go unused in the second sector while said tones are being used to communicate information in the first sector; using the second set of tones in the first and second sectors to communicate information corresponding to blocks of the second size during a second period of time, the step of using the second set of tones during the second period of time including: transmitting information corresponding to blocks of the second size in both the first and second sectors at the same time using the same tones, the same tones being a first subset of tones in said second set of tones; transmitting information corresponding to blocks of the second size in the first sector using a second subset of tones in said second set of tones while the tones in the second subset which are used to transmit information in the first sector go unused in the second sector; and transmitting information corresponding to blocks of the second size in the second sector using a third subset of tones in said second set of tones while the tones in the third subset which are used to transmit information in the second sector go unused in the first sector; and the third set of tones in the first and second sectors to communicate information corresponding to blocks of the third size during a third period of time, the tones in said third set of tones being used to transmit information in the first and second sectors at the same time.