MIMO-OFDM for LTE, WIFI and WIMAX: Coherent versus Non-Coherent and Cooperative
Turbo-Transceivers provides an up-to-date portrayal of wireless transmission based on …

With simultaneous multi-user transmissions, spatial division multiple access (SDMA)
provides substantial throughput gain over the single user transmission. However, its …

Space division multiple access aided orthogonal frequency division multiplexing (SDMA-
OFDM) is a promising technique for high data rate future wireless communications. In this …

Multiple-input multiple-output (MIMO) technologies are capable of substantially improving
the achievable system's capacity, coverage and/or quality of service. The system's ability to …

For a narrowband, instantaneous mixing multi-input, multi-output (MIMO) communications
system, the channel is represented as a scalar matrix. In this scenario, singular value …

FDMA was one of the earliest multiple access techniques for cellular systems. In this
technique, the available bandwidth for a given service is divided into a number of …

The downlink minimum bit error rate (MBER) transmit beamforming is directly designed
based on the uplink MBER receive beamforming solution for time division duplex (TDD) …

The combined OFDM/SDMA approach has raised significant research interests recently as it
appears to be quite suitable for future broadband wireless transmission. In order to build …

Por un lado, la tecnología Ultra Wideband (UWB), sistema de radiocomunicaciones cuya
fundamental característica es la utilización de señales de gran ancho de banda con muy …