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・ Geraldton Sandplains
・ Geraldton Senior College
・ Geraldton/Hutchison Lake Water Aerodrome
・ Geraldton–Mount Magnet Road
・ Geraldus d'Anduze
・ Geraldão
・ Geralee Vega
・ Geralius
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・ Geralt of Rivia
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・ Geralyn Lucas
・ Geralyn Wolf
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GERAN
・ Geran
・ Geran Tarr
・ Geran, Gilan
・ Geran, Hormozgan
・ Geran, Iran
・ Gerana
・ Geranak
・ Gerand
・ Gerandibis
・ Gerandigala
・ Geraneia
・ Geraneika
・ Gerani
・ Gerani, Crete


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GERAN : ウィキペディア英語版
GERAN

GERAN is an abbreviation for GSM EDGE Radio Access Network. The standards for GERAN are maintained by the 3GPP (Third Generation Partnership Project). GERAN is a key part of GSM, and also of combined UMTS/GSM networks.
GERAN is the radio part of GSM/EDGE together with the network that joins the base stations (the Ater and Abis interfaces) and the base station controllers (A interfaces, etc.) The network represents the core of a GSM network, through which phone calls and packet data are routed from and to the PSTN and Internet to and from subscriber handsets. A mobile phone operator's network comprises one or more GERANs, coupled with UTRANs in the case of a UMTS/GSM network.
A GERAN without EDGE is a GRAN, but is otherwise identical in concept.
A GERAN without GSM is an ERAN.
== See also ==

*UTRAN : UMTS Terrestrial Radio Access Network

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「GERAN」の詳細全文を読む



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