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EURASIP Journal on Wireless Communications and Networking
Fig. 2 | EURASIP Journal on Wireless Communications and Networking

Fig. 2

From: Asymptotic BER EXIT chart analysis for high rate codes based on the parallel concatenation of analog RCM and digital LDGM codes

Fig. 2

Model for EXIT chart analysis. Random variable E(vn) models the extrinsic information produced at the VND when A(vn) is the a priori information arriving at the VND. Similarly, E(cn) is the extrinsic information produced at the CND when the channel output and A(cn) are the a priori information arriving at the CND. The block Π denotes the random connections of CN and VNs. The factor graph of the VND and CND is given in Fig. 1

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