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Fig. 3 | EURASIP Journal on Wireless Communications and Networking

Fig. 3

From: A new blind algorithm for channel estimation in OFDM-based amplify-and-forward two-way relay networks

Fig. 3

Comparison of the numerical and theoretical normalized MSE for K=500. We plot the normalized MSEs for h1 and h2. The “simulation” curves of h1 and h2 are obtained by (20) and (31), respectively, whereas the “Theory” curves of h1 and h2 are calculated by (47) and (58), respectively. Moreover, we also display the ACRBs of h1 and h2 according to (60) and (61). The number of received blocks is K=500

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