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Orthogonal Frequency-Division Multiplexing, or OFDM, is a process of digital modulation that is used in computer technology today. Essentially, OFDM is configured to split a communication signal in several different channels. Each of these channels is formatted into a narrow bandwidth modulation, with each channel operating at a different frequency. This paper represents an end-to-end baseband model of the physical layer of outdoor wireless link. Specifically it models the OFDM-based physical layer called Wireless OFDM, supporting all of the mandatory coding and modulation options. It also illustrates Space-Time Block Coding (STBC), an optional transmit diversity scheme specified for use on the downlink.
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