Patent ID: 7433697
Filing Date: 2008-10-07
Classification: H04B,H04J,H04L,H04W

Abstract:
1. A WPAN (Wireless Personal Area Network) communication system, the system comprising: a first piconet including a first PNC (piconet coordinator) and a first plurality of DEVs (user piconet devices); wherein the first PNC and the first plurality of DEVs are operable to communicate with each other using UWB (Ultra Wide Band) signals according to a first TDMA (Time Division Multiple Access) transmission slots; a second piconet including a second PNC and a second plurality of DEVs; wherein the second PNC and the second plurality of DEVs are operable to communicate with each other using UWB signals according to a second TDMA transmission slots; a wired backbone that is communicatively coupled to the first PNC and the second PNC; wherein a CLK (clock signal) is provided to each of the first PNC and the second PNC via the wired backbone; and wherein the first PNC and the second PNC use the CLK to synchronize the first TDMA transmission slots and the second TDMA transmission slots.