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spatial diversity

См. также в других словарях:

  • Spatial ecology — is a specialization of ecology and geography that is concerned with the identification of spatial patterns and their relationships to ecological events. In spatial ecology, ecological events can be explained through the detection of patterns at a …   Wikipedia

  • spatial autocorrelation statistics — A set of statistical parameters aimed to depict the spatial (geographical) pattern of genetic diversity in a population …   Glossary of Biotechnology

  • Spatial Correlation — In cellular systems, the performance degradation caused by multi path fading may be reduced by applying diversity antennas at base stations (BS) to recover the signals received on uplink. But, the characteristics of the fading signals received on …   Wikipedia

  • Antenna diversity — Antenna diversity, also known as space diversity, is one in a superset of wireless diversity schemes that utilizes two or more antennas to improve the quality and reliability of a wireless link. Often, especially in urban and indoor environments …   Wikipedia

  • Cyclic delay diversity — (CDD) is a diversity scheme used in OFDM based telecommunication systems, transforming spatial diversity into frequency diversity avoiding intersymbol interference. CDD was introduced in 2001 and can gain frequency diversity at the receiver… …   Wikipedia

  • Latitudinal gradients in species diversity — The pattern= The increase in species richness or biodiversity that occurs from the poles to the tropics, often referred to as the latitudinal gradient in species diversity, is one of the most widely recognized patterns in ecology. Put another way …   Wikipedia

  • European Spatial Development Perspective — The European Spatial Development Perspective (ESDP) is a document approved by the Informal Council of Ministers of Spatial Planning of European Commission in Potsdam in 1999. It is a legally non binding document forming a policy framework with 60 …   Wikipedia

  • MIMO — This article is about MIMO in wireless communication. For other uses, see MIMO (disambiguation). Understanding of SISO, SIMO, MISO and MIMO (note that the terms input and output refer to the radio channel carrying the signal, not to the devices… …   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

  • Many antennas — Many antennas,[1] is a smart antenna technique, which overcomes the performance limitation of single user multiple input multiple output (MIMO) techniques. In cellular communication, the maximum number of considered antennas for downlink is 2 and …   Wikipedia

  • IEEE 802.11n-2009 — is an amendment to the IEEE 802.11 2007 wireless networking standard to improve network throughput over the two previous standards 802.11a and 802.11g with a significant increase in the maximum net data rate from 54 Mbit/s to 600 Mbit/s (slightly …   Wikipedia

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