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In this paper, we consider the broadcast (BRC) phase of two-way decode-and-forward (DF) relaying systems. The channel in that phase is called the bidirectional broadcast channel. Its achievable rates are calculated when the self-interference aided channel estimation scheme is applied. We consider a blockfading channel model in the BRC phase and exploit the selfinterference that is inherent in two-way relaying techniques to get an initial estimate of the channel at the receiving terminals. Thisdoi:10.1109/wcnc.2009.4917555 dblp:conf/wcnc/ZhaoKWB09 fatcat:bzcm2bofjne2rc6gu4i7hdafgi