Fundamentals of statistical signal processing: estimation theory
Fundamentals of statistical signal processing: estimation theory
Convex Optimization
Hot topic: physical-layer network coding
Proceedings of the 12th annual international conference on Mobile computing and networking
Optimal channel estimation and training design for two-way relay networks
IEEE Transactions on Communications
Channel estimation for OFDM modulated two-way relay networks
IEEE Transactions on Signal Processing
Blind Channel Estimation for MIMO OFDM Systems via Nonredundant Linear Precoding
IEEE Transactions on Signal Processing
Optimal training signals for MIMO OFDM channel estimation
IEEE Transactions on Wireless Communications
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We consider the channel estimation issues for two-way relay network (TWRN) that employs orthogonal frequency division multiplexing (OFDM) modulation. We propose a two-phase training protocol for channel estimation, which is compatible with two-phase data transmission scheme associated with TWRN. It will be seen that channel estimation in TWRN is quite different from that in the traditional point-to-point system or even that in the one-way relay network (OWRN). The identifiability issue of the channel estimation, which particularly exists for TWRN, is studied. Simulation results corroborate the effectiveness of the proposed method.