Joint Signal Space Alignment and Precoding in Two-Way Relay Multi-user Networks

A new multi-user two-way transmission network is considered to fully utilize wireless system resource, and ensure transmission reliability, with assistant of an amplify-and-forward relay. In multiple access channel (MAC) phase, signal space alignment technique is employed, which cancel the multi-user interference. In broadcast channel (BC) phase, a new multiple-input multiple-output (MIMO) precoding matrix is designed to reduce the decoding complexity. Simulation result shows the average sum rate performance of the proposed system, and the achievable the degrees of freedom is evaluated.

[1]  J. H. Winters,et al.  Joint equalization and interference suppression for high data rate wireless systems , 1999, 1999 IEEE 49th Vehicular Technology Conference (Cat. No.99CH36363).

[2]  Shlomo Shamai,et al.  Degrees of Freedom Region of the MIMO $X$ Channel , 2008, IEEE Transactions on Information Theory.

[3]  Namyoon Lee,et al.  A novel signaling for communication on MIMO Y channel: Signal space alignment for network coding , 2009, 2009 IEEE International Symposium on Information Theory.

[4]  Guido Masera,et al.  An application specific instruction set processor based implementation for signal detection in multiple antenna systems , 2012, Microprocess. Microsystems.

[5]  Danpu Liu,et al.  Relay-Assisted MIMO Multiuser Precoding in Fixed Relay Networks , 2007, 2007 International Conference on Wireless Communications, Networking and Mobile Computing.

[6]  Munawwar M. Sohul,et al.  MIMO communication system's capacity: Impact of varying antenna array dimension and geometry , 2009, 2009 Loughborough Antennas & Propagation Conference.

[7]  Fuqiang Liu,et al.  Downlink Performance Analysis of MIMO Relaying Networks , 2012, Wirel. Pers. Commun..

[8]  Amir K. Khandani,et al.  Communication Over MIMO X Channels: Interference Alignment, Decomposition, and Performance Analysis , 2008, IEEE Transactions on Information Theory.

[9]  Naoki Honma,et al.  On the Transmission Method for Short-Range MIMO Communication , 2011, IEEE Transactions on Vehicular Technology.

[10]  Rui Zhao,et al.  OFDM Amplify-and-Forward Two-Way Relaying for Multiuser MIMO Networks: OFDM Amplify-and-Forward Two-Way Relaying for Multiuser MIMO Networks , 2010 .

[11]  A. Falahati,et al.  MIMO relaying for multi-user transmission using a two stage transmit and relay pre-processing technique , 2010, 2010 16th Asia-Pacific Conference on Communications (APCC).

[12]  Min Chen,et al.  Multiuser Two-Way Relaying for Interference Limited Systems , 2008, 2008 IEEE International Conference on Communications.

[13]  Jin-Hee Lee,et al.  Two-Hop MIMO Relaying Systems Using Random Unitary Beamforming in Gaussian Broadcast Channels , 2009, 2009 First International Conference on Advances in Satellite and Space Communications.

[14]  M. J. Gans,et al.  On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas , 1998, Wirel. Pers. Commun..

[15]  Raymond Knopp,et al.  Interference Suppression for Next Generation Wireless Systems , 2009, VTC Spring 2009 - IEEE 69th Vehicular Technology Conference.

[16]  Sirikiat Lek Ariyavisitakul,et al.  Joint equalization and interference suppression for high data rate wireless systems , 2000, IEEE Journal on Selected Areas in Communications.

[17]  Murat Torlak,et al.  MIMO communication theory, algorithms, and prototyping , 2012, 2012 20th Signal Processing and Communications Applications Conference (SIU).

[18]  Joohwan Chun,et al.  Signal Space Alignment for an Encryption Message and Successive Network Code Decoding on the MIMO K-Way Relay Channel , 2011, 2011 IEEE International Conference on Communications (ICC).