Method and apparatus for generating of the preamble sequence for an adaptive antenna system in an orthogonal frequency division multiple access communication system
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The present invention relates to a preamble sequence generation apparatus and method for an adaptive antenna system supporting a space division multiple access in an orthogonal frequency division multiple access system, this invention is respectively allocated to a plurality of mobile subscriber stations located within a cell or a sector has a plurality of sub-channels, each of the sub-channel in a communication system that includes a plurality of bin (bin), and configure each of the bins into n consecutive subcarriers in the frequency domain, wherein a plurality of bins, a method for forming a preamble sequence to distinguish between the mobile subscriber station to be transmitted prior to transmission to the respective sub-channels are configured, comprising the steps of: by a shift corresponding to circulate the predetermined sequence between the pre-set time interval in a time domain generating a preamble sequence a it characterized in that it comprises. AAS, OFDMA, SDMA, a preamble, a Walsh (walsh), DFT