2009
DOI: 10.1155/2009/303627
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The Implementation of a 2/4/8 Antennas Configurable Diversity OFDM Receiver for Mobile HDTV Application

Abstract: Two pre-FFT adaptive array (AA) antenna combiners and a post-FFT carrier diversity (CD) combiner are integrated with a Japan Terrestrial digital TV (ISDB-T) OFDM receiver using 90 nm 7M1P CMOS process. A 2/4/8-antenna diversity receiver can be configured and a low-cost 4 antenna diversity reception system can be realized in one LSI by making use of the AA-CD two-stage diversity combining method. Mobile reception performance is increased by 1.63 times using a denoise filter circuit and SPLINE interpolator under… Show more

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Cited by 2 publications
(1 citation statement)
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“…Following the equalizer, there are two stages of 4 inputs Maximum Ratio Combiner (MRC) blocks. Equation ( 1 ) shows the MRC computation [ 7 9 ]. MRC( k ) is the output of each MRC block: Here, EQ( k ) 1–4 are 4 equalizer outputs, H ( k ) 1–4 are Channel Transfer Functions (CTFs) of each underwater channel, index k corresponds to subcarrier number, and σ n 1−4 2 are estimated average noise power at each underwater channel.…”
Section: Communication System Design With Impulsive Noise Cancellementioning
confidence: 99%
“…Following the equalizer, there are two stages of 4 inputs Maximum Ratio Combiner (MRC) blocks. Equation ( 1 ) shows the MRC computation [ 7 9 ]. MRC( k ) is the output of each MRC block: Here, EQ( k ) 1–4 are 4 equalizer outputs, H ( k ) 1–4 are Channel Transfer Functions (CTFs) of each underwater channel, index k corresponds to subcarrier number, and σ n 1−4 2 are estimated average noise power at each underwater channel.…”
Section: Communication System Design With Impulsive Noise Cancellementioning
confidence: 99%