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Technique for analysing error probability of /spl pi//2-wedge-shaped decision region [QAM in AWGN channel applications]

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3 Author(s)
Fu, H. ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore ; Li, K.H. ; Kam, P.Y.

A new approach for analysing the error probability of a signal constellation that involves a /spl pi//2-radian wedge-shaped decision in additive white Gaussian noise is presented. The result is obtained in exact closed-form in terms of the Q-function. Applied to 8-QAM, this approach gives an exact closed-form expression for the symbol error probability.

Published in:

Electronics Letters  (Volume:41 ,  Issue: 5 )