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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

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

Wireless distributed microsensor systems will enable the reliable monitoring of a variety of environments for both civil and military applications. In this paper, we look at communication protocols, which can have signif...

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 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...

Software radios are emerging as platforms for multiband multimode personal communications systems. Radio etiquette is the set of RF bands, air interfaces, protocols, and spatial and temporal patterns that moderate the us...

The IEEE has standardized the 802.11 protocol for wireless local area networks. The primary medium access control (MAC) technique of 802.11 is called the distributed coordination function (DCF). The DCF is a carrier sens...

Materias / palabras clave: wireless communications, networking, internet of things, cloud computing, information security, coding and information theory; Technology: Technology (General): Industrial engineering. Management engineering: Information...

Materias / palabras clave: networks, data science, sensor networks, wireless communication, system design; Language and Literature: Philology. Linguistics: Communication. Mass media

Materias / palabras clave: wireless communication, information security, mobile communication, sensor/adhoc/vehicular networks, microwave antenna and propagation, optical communication and networks; Technology: Electrical engineering. Electronics....

Materias / palabras clave: quantum cryptography, optical fibre networks, quantum optics, quantum computing, quantum wireless communication; Technology: Electrical engineering. Electronics. Nuclear engineering: Telecommunication

Materias / palabras clave: communications software, communications systems, wired and wireless communications, multimedia technologies, signal processing, statistics models; Science: Mathematics: Instruments and machines: Electronic computers. Com...

Materias / palabras clave: communication technologies, communication systems, wireless media, communication theory, signal design, wireless and optical communication; Technology: Electrical engineering. Electronics. Nuclear engineering: Telecommun...

Materias / palabras clave: antenna and propagation technology, computer communications networks, communications technologies, data communications, non-contact systems, wireless communication; Language and Literature: Philology. Linguistics: Commun...

Materias / palabras clave: optical communication, wireless communication, information optoelectronics, photoelectric materials, optical fiber and cable, optical components; Technology: Engineering (General). Civil engineering (General): Applied op...

Materias / palabras clave: wireless communication, intelligent computing, signal processing techniques, smart vehicular communication, computational network analysis, smart sensor technology; Science: Mathematics: Instruments and machines: Electro...