Telecommunications and Information Exchange between Systems-Local and Metropolitan Area Networks- Specific Requirements Part 15.1: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Wireless Personal Area Networks (WPANs), IEEE Std.
 P. Jänis, C.-H. Yu, K. Doppler, C. Ribeiro, C. Wijting, K. Hugl, O. Tirkkonen and V. Koivunen, “Device-to-device Communication Underlaying Cellular Communications Systems,” International Journal of Communications, Network and System Sciences, Vol. 2, No. 3, 2009, pp. 169-178. doi:10.4236/ijcns.2009.23019
 P. Liu, C. Hu, T. Peng, R. Qian and W. Wang, “Admission and Power Control for Device-to-device Links with Quality of Service Protection in Spectrum Sharing Hybrid Network,” in Proc. IEEE 23rd Int Personal Indoor and Mobile Radio Communications (PIMRC) Symp., 2012, pp. 1192-1197.
 C.-H. Yu, O. Tirkkonen, K. Doppler and C. Ribeiro, “Power Optimization of Device-to-device Communication Underlaying Cellular Communication,” in Proc. IEEE Int. Conf. Communications, 2009, pp.1-5.
 H. Xing and S. Hakola, “The Investigation of Power Control Schemes for a Device-to-device Communication Integrated into OFDMA Cellular System,” in Proc. IEEE 21st Int Personal Indoor and Mobile Radio Communications (PIMRC) Symp., 2010, pp. 1775-1780.
 H. Min, J. Lee, S. Park and D. Hong, “Capacity Enhancement Using An Interference Limited Area for Device-to-device Uplink Underlaying Cellular Networks,” IEEE Transactions on Wireless Communications, Vol. 10, No. 12, 2001, pp. 3995-4000. doi:10.1109/TWC.2011.100611.101684
 A. Tarighat, M. Sadek and A. H. Sayed, “A Multi User Beamforming Scheme for Downlink MIMO Channels Based on Maximizing Signal-to-leakage Ratios,” in Proc. IEEE Int. Conf. Acoustics, Speech, and Signal Processing (ICASSP ’05), Vol. 3, 2005.
 J.-H. Lee, S. Kim, S.-R. Jin and D.-J. Park, “A Multi-user Beamforming Scheme in Mimo Downlink Channels for Multi-cell Networks,” in International Conference on Consumer Electronics (ICCE), IEEE, 2011, pp. 587-588.
 M. Zulhasnine, C. Huang and A. Srinivasan, “Efficient Resource Allocation for Device-to-device Communication Underlaying LTE Network,” in Proc. IEEE 6th Int Wireless and Mobile Computing, Networking and Communications (WiMob) Conf., 2010, pp. 368-375.
 Propagation Data and Prediction Methods for the Planning of Shortrange Outdoor Radio Communication Systems and Radio Local Area Networks in the Frequency range 300 MHz to 100 GHz, Recommendation ITU-R P.1411-4 Std.