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In telecommunications, a femtocell—originally known as an Access Point Base Station—is a small cellular base station, typically designed for use in residential or small business environments. It connects to the service provider’s network via broadband (such as DSL or cable); current designs typically support 2 to 4 active mobile phones in a residential setting. A femtocell allows service providers to extend service coverage indoors, especially where access would otherwise be limited or unavailable. The femtocell incorporates the functionality of a typical base station but extends it to allow a simpler, self contained deployment; an example is a UMTS femtocell containing a Node B, RNC and GPRS Support Node (SGSN) with Ethernet for backhaul. Although much attention is focussed on UMTS, the concept is applicable to all standards, including GSM, CDMA2000, TD-SCDMA and WiMAX solutions
- a1 n ~7 K& L5 Y3 c+ YIssues:
/ N% ~- G8 p- z8 A6 _2.1 Interference
0 a; j1 {. r" h ]2.2 Spectrum
2 l4 g4 h$ s/ a2 p- C6 x i: \2.3 Access control
& _2 C7 U L# s3 B2.4 Lawful interception ' W# F' j4 o9 g: i% o
2.5 Equipment location 1 e9 o7 M# M) E% e5 M: Y& `, z
2.6 Network integration
: D9 }. X+ D1 y+ m8 M6 w& X1 l2.7 Emergency calls
( n+ {1 l& b+ U4 @2.8 Quality of service . {9 o9 y( D. Q& y
2.9 Spectrum accuracy : {- _, E8 Y+ l6 A) v6 [1 i
2.10 Handover , V! M n, Z: C. a: M$ i5 o
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