3-1 Terrestrial Broadcasting Antennas; An Antenna for Main-transmitter, A Transmitting and Receiving Antenna for Sub-transmitter

Fm Transmitter a Antenna

Multiple Antenna Transmitter Optimization Schemes for Multiuser Systems

In this paper we present multiple antenna transmitter optimization (i.e., spatial pre-filtering) schemes that are based on linear transformations and transmit power optimization (keeping average transmit power conserved). We consider the downlink of a wireless system with multiple transmit antennas at the base station and a number of mobile terminals (i.e., users) each with a single receive ant...

Adaptive Modulation for Transmitter Antenna Diversity Mobile Radio Systems

– Adaptive transmission techniques such as adaptive modulation and transmitter antenna diversity have been proposed for mobile wireless systems to satisfy high data-rate service requirements. In rapidly time variant channels, these methods need the knowledge of future fading conditions and therefore require accurate long range fading prediction. We investigate three combined adaptive modulation...

Phase-shifting Techniques for Wireless Multiple-antenna Transmitter Applications

Phase-Shifting Techniques for Wireless Multiple-antenna Transmitter Applications

Performance limits of coded diversity methods for transmitter antenna arrays

Several aspects of the design and optimization of coded multiple-antenna transmission diversity methods for slowly time-varying channels are explored from an information-theoretic perspective. Both optimized vector-coded systems, which can achieve the maximum possible performance, and suboptimal scalar-coded systems, which reduce complexity by exploiting suitably designed linear precoding, are ...