A New Joint Estimation of Channels and the Number of Transmit Antennas for OFDM Systems with Antenna Diversity Employing Walsh Hadamard Codes Wichai PONGWILAIRyuji KOHNOSawasd TANTARATANA
A Time-Domain Joint Adaptive Channel Estimator and Equalizer for Multi-Carrier Systems in Time-Variant Multipath Channels Using Short Training Sequences Wichai PONGWILAISawasd TANTARATANA