This Matlab program covers two optimization algorithms, namely semidefinite programming and block coordinate descent method, for wireless powered two way relay channel.
The first algorithm is proposed in:
[1] S. Wang, Y.-C. Wu, and M. Xia, ``Achieving global optimality in wirelessly-powered multi-antenna TWRC with lattice codes,'' in Proc. IEEE ICASSP'16, Shang Hai, China, Mar. 2016, pp. 3556-3560.
The second algorithm is proposed in
[2] Z. Wen, S. Wang, C. Fan, and W. Xiang, ``Joint transceiver and power splitter design over two-way relaying channel with lattice codes and energy harvesting,''IEEE Commun. Lett., vol. 18, no. 11, Nov. 2014.