The operation of unmanned aerial vehicles (UAV) imposes various challenges on radio
spectrum management to achieve safe operation, efficient spectrum utilization, and …

A novel double annular-ring microstrip antenna, split into six sectors, is proposed to achieve
multiband operation with high gain and impedance bandwidth. The gaps on the driven and …

The international spectrum management regime was established over a hundred years ago
by few developed countries. Since then, the number of the developing countries in the Radio …

Radio spectrum has become one of the engines of economic growth. However, rapid
technological change, ever increasing demands for new wireless services and the nature of …

Cellular communication networks are large and distributed systems that provide billions of
people around the world with means of communication. Antennas as used currently in …

Spectrum is used in extremely diverse fields either in businesses, for public interest or
national security including mobile communications, radio communications for aviation …

Данная публикация подготовлена на основании результатов проекта «Разработка
методики определения размера единовременной платы при проведении конкурсов на …