This paper discusses implementation of IEEE 802.16a/d/e WirelessMAN (broadband wireless access), also referred to as WiMAX (worldwide interoperability for microwave access), in terms of frequency spectrum. Regulating bodies around the world have earmarked frequency bands, both licensed and unlicensed, for broadband deployment. Semiconductor suppliers offer flexible chipsets and reference designs for WiMAX certifiable systems to equipment vendors. These reference designs allow for a selection of RF front-ends to be combined with a highly-integrated baseband processor and MAC processor system on a chip (SoC), to address a wide range of markets using different parts of the spectrum.
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