Patent ID: 7463669
Filing Date: 2008-12-09
Classification: H04B,H04L,H04W

Abstract:
1. A method of allocating tones in a multi-tone communication system, the system including a plurality of communications devices with overlapping transmission areas, the method comprising: operating a first communications device to allocate each tone in a first set of P tones to one of a first set of P tone hopping sequences according to a first function, each of the first set of P tones being allocated according to said first function to a different one of the P tone hoping sequences during each of a first set of P sequential tone allocation periods; and repeating said step of operating a first communications device to allocate each tone in said first set of P tones, such that tones in the first set of P tones are allocated to said first set of P hopping sequences in a pattern that repeats after said first plurality of P tone allocation periods, wherein at least one tone of the first set of P tones is concurrently allocated, according to a second function, to a second set of P tone hopping sequences used by a second communication device.