block antenna

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• Space–time block code — This article deals with coherent space–time block codes (STBCs). For differential space–time block codes, see differential space–time codes.Space–time block coding is a technique used in wireless communications to transmit multiple copies of a… …   Wikipedia

• Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

• Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV …   Wikipedia

• Many Antenna — Many Antennas is a smart antenna technique, which overcomes the performance limitation of single user MIMO techniques. In cellular communications, the number of the maximum considered antennas for downlink is 2 and 4 to support LTE and IMT A… …   Wikipedia

• Offset dish antenna — Main types of parabolic antennas An offset dish antenna is a type of parabolic antenna. It is so called because the antenna feed is offset to the side of the reflector, in contrast to a typical axial fed parabolic antenna where the feed is in… …   Wikipedia

• Space-time block coding based transmit diversity — (STTD) is a method of transmit diversity used in UMTS third generation cellular systems. STTD is optional in the UTRAN air interface but mandatory for user equipment (UE). STTD utilizes space time block code (STBC) in order to exploit redundancy… …   Wikipedia

• Functional flow block diagram — The Functional Flow Block Diagram (FFBD) is a multi tier, time sequenced, step by step flow diagram of the system’s functional flow. [The first version of this article is completely based on the [http://www.faa.gov/about/office org/headquarters… …   Wikipedia

• АНТЕННА КОЛЛЕКТИВНАЯ — наружная антенна с высокочастотной распределительной сетью для подключения к ней нескольких телевизионных приёмников (Болгарский язык; Български) колективна антена (Чешский язык; Čeština) společná televizní anténa; STA (Немецкий язык; Deutsch)… …   Строительный словарь

• антенна коллективная — Наружная антенна с высокочастотной распределительной сетью для подключения к ней нескольких телевизионных приёмников [Терминологический словарь по строительству на 12 языках (ВНИИИС Госстроя СССР)] EN block antennacollective (use) aerial DE… …   Справочник технического переводчика

• Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …   Wikipedia

• Apollo Command/Service Module — Apollo CSM The Apollo 15 CSM in lunar orbit Description Role: Earth and Lunar Orbit Crew: 3; CDR, CM pilot, LM pilot Dimensions Height: 36.2 ft 11.03 m …   Wikipedia