N. Seshadri

Multilevel trellis coded modulations for the Rayleigh fading channel

The authors present coded 8-phase-shift-keyed (8-PSK) modulations for the Rayleigh fading channel. The schemes are based on multilevel trellis-coded-modulation constructions and...

Space-time coded OFDM for high data-rate wireless communication over wideband channels

There has been an increasing interest in providing high data-rate services such as video-conferencing, multimedia Internet access and wide area network over wideband wireless ch...

Coded Modulations for Fading Channels: An Overview

Abstract It is by now well known that combined channel coding and digital modulation (in short coded modulation) yield power and bandwidth efficient digital transmission schemes...

Digital cellular systems for North America

Standards for a new cellular mobile radio system for North America are currently being defined. The system will use digital transmission in contrast to the present analog system...

Space-time codes for high data rate wireless communication: performance criterion and code construction

We consider the design of channel codes for improving the data rate and/or the reliability of communications over fading channels using multiple transmit antennas. Data is encod...

Two signaling schemes for improving the error performance of frequency division duplex (FDD) transmission systems using transmitter antenna diversity

Errata to "space-time codes for high data rate wireless communications: performance criteria in the presence of channel estimation errors, mobility, and multiple paths"

Space-time coding is a bandwidth and power efficient method of communication over fading channels that realizes the benefits of multiple transmit antennas. Specific codes have b...

Space-time codes for high data rate wireless communication: performance criteria in the presence of channel estimation errors, mobility, and multiple paths

Space-time coding is a bandwidth and power efficient method of communication over fading channels that realizes the benefits of multiple transmit antennas. Specific codes have b...

Increasing data rate over wireless channels

Space-time coding (STC) is a new coding/signal processing framework for wireless communication systems with multiple transmit and multiple receive antennas. This new framework h...