About: Beam tilt

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Beam tilt is used in radio to aim the main lobe of the vertical plane radiation pattern of an antenna below (or above) the horizontal plane. The simplest way is mechanical beam tilt, where the antenna is physically mounted in such a manner as to lower the angle of the signal on one side. However, this also raises it on the other side, making it useful in only very limited situations. The use of purely electrical tilt with no mechanical tilt is an attractive choice for aesthetic reasons which are very important for operators seeking acceptance of integrated antennas in visible locations.

Attributes	Values
rdf:type	yago:WikicatAntennas yago:Antenna102715229 yago:Artifact100021939 yago:Device103183080 yago:ElectricalDevice103269401 yago:Instrumentality103575240 yago:Object100002684 yago:PhysicalEntity100001930 yago:Whole100003553
rdfs:label	Beam tilt (en)
rdfs:comment	Beam tilt is used in radio to aim the main lobe of the vertical plane radiation pattern of an antenna below (or above) the horizontal plane. The simplest way is mechanical beam tilt, where the antenna is physically mounted in such a manner as to lower the angle of the signal on one side. However, this also raises it on the other side, making it useful in only very limited situations. The use of purely electrical tilt with no mechanical tilt is an attractive choice for aesthetic reasons which are very important for operators seeking acceptance of integrated antennas in visible locations. (en)
foaf:depiction
dct:subject	Antennas Broadcast engineering
Wikipage page ID	273092 (xsd:integer)
Wikipage revision ID	1108681744 (xsd:integer)
Link from a Wikipage to another Wikipage	Side lobe Communication Fuzzy logic Antennas Null fill Radio Reinforcement learning Broadcast engineering Coverage (telecommunication) Terrain Channel capacity Horizontal plane Radiation pattern Vertical plane Phase shifting Contextual bandit algorithm Antenna (electronics)
sameAs	Beam tilt Beam tilt Beam tilt Beam tilt
dbp:wikiPageUsesTemplate	dbt:More_citations_needed dbt:Short_description dbt:Antennas dbt:Analogue_TV_transmitter_topics
thumbnail	wiki-commons:Special:FilePath/Sector_antenna_radiation_pattern.png?width=300
has abstract	Beam tilt is used in radio to aim the main lobe of the vertical plane radiation pattern of an antenna below (or above) the horizontal plane. The simplest way is mechanical beam tilt, where the antenna is physically mounted in such a manner as to lower the angle of the signal on one side. However, this also raises it on the other side, making it useful in only very limited situations. More common is electrical beam tilt, where the phasing between antenna elements is tweaked to make the signal go down (usually) in all directions. This is extremely useful when the antenna is at a very high point, and the edge of the signal is likely to miss the target (broadcast audience, cellphone users, etc.) entirely. With electrical tilting, front and back lobes tilt in the same direction. For example, an electrical downtilt will make both the front lobe and the back lobe tilt down. This is the property used in the above example where the signal is pointed down in all directions. On the contrary, mechanical downtilting will make the front lobe tilt down and the back lobe tilt up. In almost all practical cases, antennas are only tilted down – though tilting up is technically possible. The use of purely electrical tilt with no mechanical tilt is an attractive choice for aesthetic reasons which are very important for operators seeking acceptance of integrated antennas in visible locations. In GSM and UMTS cellular networks, mechanical tilt is almost always fixed whereas electrical tilt can be controlled using remote actuators and position sensors, thus reducing operating expenses. Remote electrical tilt is abbreviated as RET and it is part of the Antenna Interface Standards Group's open specification for the control interface of antenna devices. Occasionally, mechanical and electrical tilt will be used together in order to create greater beam tilt in one direction than the other, mainly to accommodate unusual terrain. Along with null fill, beam tilt is the essential parameter controlling the focus of radio communications, and together they can create almost infinite combinations of 3-D radiation patterns for any situation. (en)
gold:hypernym	Tilt
prov:wasDerivedFrom	wikipedia-en:Beam_tilt?oldid=1108681744&ns=0
page length (characters) of wiki page	6357 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Beam_tilt
is Link from a Wikipage to another Wikipage of	Power dividers and directional couplers Crystal Palace transmitting station WCFB WDTA-LD WIWF WKAK WMEG WMIA-FM WOEX WRR (FM) WSLQ WWJO WWKA WYGA-CD GSM Radio Frequency optimization Null fill KBEQ-FM KZZU-FM Radio propagation Asia-Pacific Telecommunity band plan in the 700 MHz band KACY (TV) KAMX KCME KFIS WKVU KGON KHEY-FM KIIM-FM KIMN KING-FM KIRO-FM KISC KKND (FM) KKWF KLAQ KLOL KLVP KMBZ-FM KMLE KNUC KOFX KOSI KPDQ-FM KPLZ-FM KQMV KROQ-FM KSTP-FM KSTZ KTEP KTSM-FM KVBH KVIL

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