J.F. Helard

Performance of multicarrier CDMA technique combined with space-time block coding over Rayleigh channel

J.M. Auffray, J.F. Helard, 2002, IEEE Seventh International Symposium on Spread Spectrum Techniques and Applications,.

Design of Balanced QPSK Space-Time Trellis Codes for Several Transmit Antennas

J.F. Helard, G. Zaharia, Thi Minh Hien Ngo, 2007, 2007 International Symposium on Signals, Circuits and Systems.

A new class of balanced 4-psk sttc for two and three transmit antennas

J.F. Helard, G. Zaharia, Thi Minh Hien Ngo, 2007, 2007 IEEE 8th Workshop on Signal Processing Advances in Wireless Communications.