efficiency in spectrum use

См. также в других словарях:

• Spectrum management — The spectrum is a conceptual tool used to organize and map the physical phenomena of electromagnetic waves. These waves propagate through space at different frequencies, and the set of all possible frequencies is called the electromagnetic… …   Wikipedia

• Efficiency Movement — Part of the Politics series on Progressivism Schools American Progressivism Modern liberalism Progressive education Ideas Anti racism Civil liberties …   Wikipedia

• Spectral efficiency — Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is… …   Wikipedia

• Fuel efficiency — is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per… …   Wikipedia

• Semantic spectrum — The semantic spectrum (sometimes referred to as the ontology spectrum or the smart data continuum or semantic precision) is a series of increasingly precise or rather semantically expressive definitions for data elements in knowledge… …   Wikipedia

• Chirp spread spectrum — A linear frequency modulated upchirp in the time domain In digital communications, Chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information.[1] A chirp is a… …   Wikipedia

• Mass spectrum — Electron ionization mass spectrum of toluene [4]. Note parent peak corresponding to molecular mass M = 92 (C7H8+) and highest peak at M 1 = 91 (C7H7+, quasi stable tropylium cation). A mass spectrum is an inten …   Wikipedia

• United States 2008 wireless spectrum auction — The United States 700 MHz FCC wireless spectrum auction was started by the FCC on January 24, 2008 for the rights to operate the 700 MHz frequency band in the United States. The details of process were the subject of debate between several… …   Wikipedia

• DVB-RCT — (Digital Video Broadcasting Return Channel Terrestrial), provides a method by which the DVB T platform can become a bi directional, asymmetric, broadband and wireless path between broadcasters and customers. DVB T when completed with DVB RCT can… …   Wikipedia

• Policies promoting wireless broadband in the United States — Policies promoting wireless broadband are policies, rules, and regulations supporting the National Wireless Initiative , a plan to bring wireless broadband Internet access to 98% of Americans.[1] Spectrum is limited and much of it already in use …   Wikipedia

• 4G — (also known as Beyond 3G), an abbreviation for Fourth Generation, is a term used to describe the next complete evolution in wireless communications . A 4G system will be able to provide a comprehensive IP solution where voice, data and streamed… …   Wikipedia