GSM Channel Estimation Modeling

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【文件名】:08620@52RD_chan_est.pdf
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Channel Estimation Modeling

I. INTRODUCTION..................................................................................................................................................3
II. BACKGROUND FOR CHANNEL ESTIMATION ...........................................................................................4
III. LEAST-SQUARES (LS) CHANNEL ESTIMATION.......................................................................................5
A.CHANNEL ESTIMATOR FOR SINGLE SIGNAL ............................................................................................................5
B.JOINT CHANNEL ESTIMATOR FOR 2 SIGNALS [5-8]..................................................................................................6
C.SIMULATION OF JOINT CHANNEL ESTIMATION........................................................................................................8
IV. ITERATIVE CHANNEL ESTIMATION [10,11]...........................................................................................10
A.FIRST ITERATION ROUND (CONVENTIONAL) .........................................................................................................10
B.FURTHER ITERATIONS .........................................................................................................................................11
C.SIMULATION OF ITERATIVE SYSTEM.....................................................................................................................12
V. CONCLUSIONS..................................................................................................................................................13
VI. REFERENCES...................................................................................................................................................14
VII.HOMEWORK.......................................................................................................................