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Wireless technology is a truly revolutionary paradigm shift, enabling multimedia communications between people and devices from any location. It also underpins exciting applications such as sensor networks, smart homes, ...

Cognitive radio is viewed as a novel approach for improving the utilization of a precious natural resource: the radio electromagnetic spectrum. The cognitive radio, built on a software-defined radio, is defined as an int...

This paper presents a simple two-branch transmit diversity scheme. Using two transmit antennas and one receive antenna the scheme provides the same diversity order as maximal-ratio receiver combining (MRRC) with one tran...

Materias / palabras clave: Computer science; Transmitter; Wireless; Bandwidth (computing); Channel capacity; Rayleigh fading; Telecommunications; Channel (broadcasting); Antenna (radio); Fading; Electronic engineering; Algorithm

Expone un diseño de un polarizador de gran ancho de banda para aplicaciones de satélite en banda Ku.

Materias / palabras clave: signal processing, wireless technology; Technology: Electrical engineering. Electronics. Nuclear engineering: Telecommunication; Technology: Electrical engineering. Electronics. Nuclear engineering: Electronics

Networking together hundreds or thousands of cheap microsensor nodes allows users to accurately monitor a remote environment by intelligently combining the data from the individual nodes. These networks require robust wi...

The past decade has seen many advances in physical layer wireless communication theory and their implementation in wireless systems. This textbook takes a unified view of the fundamentals of wireless communication and ex...

The advancement in wireless communications and electronics has enabled the development of low-cost sensor networks. The sensor networks can be used for various application areas (e.g., health, military, home). For differ...