What is femtocell

What is femtocell ?

As with the growing need to get connected all the time, is increasing. This results the femtocell. A femtocell is a small device which is installed inside a premise. May be its in office or home, gives more coverage to the mobile operator and better voice quality to a subscriber. It acts like a BTS or access point for the mobile device, with is few meter of radius.  On another side it connects to the mobile core network over a broadband internet connection for signaling and voice.  Femtocell is very useful for the mobile subscribers, having high speed broadband internet connection , but low cellular signal strength or no signal.  May be because the premises in the basement of  building or mobile company tower is on a distance.

How to get and configure femtocell?

Femtocell option is available from the same mobile operator for existing SIM card. On request , the service provider installs the device and do configuration in device to use the gateway.  After installing devices,  there is a new network will be shown in the network list for new small tower. Mobile tries to attaches on new network (may be manually you need to select). If all is good, phone connects to the femtocell. SMS and Voice calls all works as they are working with a cellular tower.

Facts about femotocell. 

There are many things which needs to now about new device before going to buy.  Various factors one should consider before using new option for cellular connectivity.

Do call disconnect while moving from Femtocell to normal tower ?

For a mobile operator , new device is like any other cell tower. Like other towers, hand-in and handout procedures works as same way. So the call will not disconnect, if some one moves from away or comes in range,  during on a call.

Is femtocell a low cost option ?

It may be depends on the mobile operator. An operator saves the cost for a base station by using femtocell. A base station requires continuous power consumption and monitoring of mobile tower. New device may reduce the cost. But still it is decision of network provider  for the cost.

Is Call Quality always better with femtocell?

If we see on radio connection side , then signal strength is good with in a small area. So looks call quality will always be good. But there comes another shared connection between femtocell and network,  which is broadband internet. Other home equipment( e.g some one watching movie or on internet call) also shares the same broadband. While making a call, if available bandwidth is lower than a certain range , then call quality will be low. So buying a good quality internet is must for good quality.

Is Femtocell is same a WiFi Calling ? 

For a mobile subscriber both are similar. Even WiFi calling is better in a way, that it do not require an additional device. Same wifi router will also work as an antenna for cellular connectivity.  But on network level these two are totally different concepts.  For WiFi calling , subscriber is limited to a 4G sim only.  3G or 2G sim will not work for wifi calling.  In femtocell, subscriber has to deploy additional device in home or office, no change in phone or no extra app is needed. While in WiFi calling, mobile operator need to deploy a gateway called ePDG  and device should have support for Wifi calling. May be operator provides option to download an app to enable WiFi calling or existing phones.

Is femtocell uses VoIp :

Voip is Voice over IP network. With femtocell, call is going through an IP based internet connection to the mobile operator network. It may look like voip. Voip is not just call over IP, it having various protocols involved (e.g SIP, GTP ) etc.  Device vendors may use existing VoiP technologies or other specific interfaces for voice signaling and  media transfer with the core network.


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