multipath signals

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• Multipath propagation — This article is about the electromagnetic propagation phenomenon. For the computing storage term, see Multipath I/O. For the routing term, see Multipath Routing. In wireless telecommunications, multipath is the propagation phenomenon that results …   Wikipedia

• Multipath — Mehrwegempfang (oder Mehrwegeempfang) tritt an einem Empfänger auf, wenn elektromagnetische Wellen eines Senders von Reflektoren (z. B. Gebäuden) abgelenkt werden und auf verschiedenen Wegen beim Empfänger ankommen. Dadurch entsteht eine… …   Deutsch Wikipedia

• Code division multiple access — This article is about a channel access method. For the mobile phone technology referred to as CDMA, see IS 95 and CDMA2000. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM  …   Wikipedia

• RTLS communications — Articleissues essay=July 2008 copyedit=May 2008 refimprove=August 2008RTLS communications is a special breed of wireless communicating with the aim to support locating wireless nodes not only topologically, but merely topographically outdoors or… …   Wikipedia

• IEEE 802.11n — is a proposed amendment to the IEEE 802.11 2007 wireless networking standard to significantly improve network throughput over previous standards, such as 802.11b and 802.11g, with a significant increase in the maximum raw (PHY) data rate from 54… …   Wikipedia

• telecommunications media — Introduction       equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation       Every… …   Universalium

• 70-centimeter band — 70 centimeters is a common amateur radio (ham) band in the UHF spectrum. The exact amateur frequency allocations varies regionally. In the US and Australia the band ranges from 420 to 450 MHz with some geographical limitations; in Canada, the… …   Wikipedia

• Choke ring antenna — Patent Diagram of a Choke Ring Antenna[1] A choke ring antenna is a particular form of omnidirectional antenna for use at high frequencies. It consists of a number of conductive concentric cylinders around a central antenna. Due to its delicate… …   Wikipedia

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• TV and FM DX — TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning long distance. VHF/UHF television and radio signals are normally limited… …   Wikipedia

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia