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Multi-Carrier and Spread Spectrum Systems: From OFDM and MC ...

Multi-Carrier and Spread Spectrum Systems: From OFDM and MC ...

Multi-Carrier and Spread Spectrum Systems: From OFDM and MC ...

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Symbolsa (k)a (k)a pb (k)b (k)BB scc (k)lc (k)c nCCd (k)d (k)D OD fD tdBdBmE{.}E bE cE sff cHf Df D,filterf Dmaxf D,pf nFF sG Antennasource bit of user ksource bit vector of user kamplitude of path pcode bit of user kcode bit vector of user kb<strong>and</strong>widthsignal b<strong>and</strong>widthspeed of lightchip l of the spreading code vector c (k)spreading code vector of user kspatial pre-coding vectorcapacityspreading code matrixdata symbol of user kdata symbol vector of user kdiversityfrequency diversitytime diversitydecibeldecibel relative to 1 mWexpectationenergy per bitenergy per chipenergy per symbolfrequencycarrier frequencychannel matrixDoppler frequencymaximum Doppler frequency permitted in the filter designmaximum Doppler frequencyDoppler frequency of path pnth sub-carrier frequencynoise figure in dB/feedback informationsub-carrier spacingantenna gain

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