Abstract: relay-aided device-to-device (D2D) communication is a promising technology for the next-generation cellular network. We study the transmission schemes for an amplify-and-forward relay-aided D2D system which has multiple antennas. To circumvent the prohibitive complexity problem of traditional maximum likelihood (ML) detection for full-rate space-time block code (FSTBC) transmission, two low-complexity detection methods are proposed, i.e., the detection methods with the ML-combining (MLC) algorithm and the joint conditional ML (JCML) detector. Particularly, the method with the JCML detector reduces detection delay at the cost of more storage and performs well with parallel implementation. Simulation results indicate that the proposed detection methods achieve a symbol error probability similar to that of the traditional ML detector for FSTBC transmission but with less complexity, and the performance of FSTBC transmission is significantly better than that of spatial multiplexing transmission. Diversity analysis for the proposed detection methods is also demonstrated by simulations.

基于采用全速率空时块码的放大转发中继辅助设备到设备通信系统的有效检测方法

[1]Ali, M., Qaisar, S., Naeem, M., et al., 2016. Energy efficient resource allocation in D2D-assisted heterogeneous networks with relays. IEEE Access, 4:4902-4911.

[2]Belfiore, J., Rekaya, G., Viterbo, E., 2005. The golden code: a $2times2$ full-rate space-time code with nonvanishing determinants. IEEE Trans. Inform. Theory, 51(4):1432-1436.

[3]Chen, Y., 2016. An efficient data exchanged and detection scheme for two-way relay based D2D communications. Proc. 83rd IEEE Vehicular Technology Conf., p.1-5.

[4]Gao, C., Li, Y., Zhao, Y., et al., 2016. A two-level game theory approach for joint relay selection and resource allocation in network coding assisted D2D communications. IEEE Trans. Mob. Comput., in press.

[5]Hoang, T.D., Le, L.B., Le-Ngoc, T., 2017. Joint mode selection and resource allocation for relay-based D2D communications. IEEE Commun. Lett., 21(2):398-401.

[6]Horn, R.A., Johnson, C.R., 1985. Matrix Analysis. Cambridge University Press, New York, USA.

[7]Jayasinghe, K., Jayasinghe, P., Rajatheva, N., et al., 2015. Physical layer security for relay assisted MIMO D2D communication. Proc. IEEE Int. Conf. on Communication Workshop, p.651-656.

[8]Kim, T., Dong, M., 2014. An iterative Hungarian method to joint relay selection and resource allocation for D2D communications. IEEE Wirel. Commun. Lett., 3(6): 625-628.

[9]Kong, T., Hua, Y., 2011. Optimal design of source and relay pilots for MIMO relay channel estimation. IEEE Trans. Signal Process., 59(9):4438-4446.

[10]Pan, X., Wang, H., 2016. On the performance analysis and relay algorithm design in social-aware D2D cooperated communications. Proc. 83rd IEEE Vehicular Technology Conf., p.1-5.

[11]Rong, Y., Khandaker, M., Xiang, Y., 2012. Channel estimation of dual-hop MIMO relay system via parallel factor analysis. IEEE Trans. Wirel. Commun., 11(6):2224-2233.

[12]Sezginer, S., Sari, H., 2007. Full-rate full-diversity $2 times 2$ space-time codes of reduced decoder complexity. IEEE Commun. Lett., 11(12):973-975.

[13]Tehrani, M.N., Uysal, M., Yanikomeroglu, H., 2014. Device-to-device communication in 5G cellular networks: challenges, solutions, and future directions. IEEE Commun. Mag., 52(5):86-92.

[14]Vakilian, V., Mehrpouyan, H., 2016. High-rate and low-complexity space-time block codes for $2 times 2$ MIMO systems. IEEE Commun. Lett., 20(6):1227-1230.

[15]Winters, J.H., 1998. The diversity gain of transmit diversity in wireless systems with Rayleigh fading. IEEE Trans. Veh. Technol., 47(1):119-123.

[16]Zhang, G., Yang, K., Liu, P., et al., 2015. Power allocation for full-duplex relaying-based D2D communication underlaying cellular networks. IEEE Trans. Veh. Technol., 64(10):4911-4916.

[17]Zhang, K., Xiong, C., Chen, B., et al., 2015. A maximum likelihood combining algorithm for spatial multiplexing MIMO amplify-and-forward relaying systems. IEEE Trans. Veh. Technol., 64(12):5767-5774.