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An indoor cellular access point that routes cellphone calls over the Internet. Connecting to the home or office network, which must have a broadband Internet connection, the femtocell is a mini cell tower with a range of approximately 5,000 square feet. When users are within range, their phones pick up the stronger femtocell signal rather than a weaker signal from an external cell tower.

Help the User; Help the Carrier
Femtocells let people make and receive calls inside buildings where cellular reception may be poor. They also help the carrier, because calls that traverse the femtocell and Internet provide relief to their over-the-air networks in congested metropolitan areas. Contrast with mobile broadband router.

AIRAVE, MicroCell, Network Extender
In 2007, Sprint introduced AIRAVE, the first cellphone femtocell in the U.S. In 2009, AT&T and Verizon introduced the MicroCell and Network Extender, respectively. WiMAX carriers also encourage the use of femtocells for improved indoor coverage (see WiMAX).

Reroute Via the Internet
The femtocell is like a mini cell tower inside the home or office that routes cellphone calls over the Internet to the carrier's network.
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References in periodicals archive ?
Densely-deployed femto cell networks are used to increase wireless coverage in public spaces like office buildings, subways, and academic buildings.
Kindly note that the customer's issue was resolved after we installed a Femto cell device in the customer's residence.
The new Samsung enterprise Femto cell features technology to ensure co-existence between LTE-U and other services, like Wi-Fi, on unlicensed spectrum.
Devices in smart cell categories such as femto cell are used as plug and play devices which require little operator attention.
Buddhikot, "Passive steady state rf fingerprinting: A cognitive technique for scalable deployment of co-channel femto cell underlays," in New Frontiers in Dynamic Spectrum Access Networks, 2008.
Wu,"A Novel Spectrum Arrangement Scheme for Femto Cell Deployment in LTE Macrocells", 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications, Tokyo, pp.
WiMAX indoor transmission needs to manipulate with other apparatuses such as repeater, pico, femto cell etc.
Parameters of femto cell. BS Power 200 mw BS antenna 5dBi gain Path Loss PL(dB) = 38.46 + 20 log 10R + [0.7d.sub.2D,indoor] + 18.3n((n + 2)-(n + 1)--0.46) + q * [L.sup.iw]) shadowing 10 standard deviation q 1 n [L.sup.iw] 5dB Table 5.
We are also playing in the upcoming opportunities of femto cell and carrier cloud.
NORDIC BUSINESS REPORT-17 September 2007-Nokia Siemens Networks and Airvana announce plan to provide femto cell solution(C)1994-2007 M2 COMMUNICATIONS LTD http://www.m2.com