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nimmy babu
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29-06-2010, 11:06 AM

this is Nimmy Babu from Wayanad. Now doinng last year B Tech at Kottayam. I want a complete seminar and presentation report on femtocell. I dont know much about this topic.
computer science topics
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29-06-2010, 11:47 AM

A femtocell is a small cellular base station designed for use in residential or small business environments. It connects to the service providerâ„¢s network via broadband (such as DSL or cable) and typically supports 2 to 5 mobile phones in a residential setting and 8 to 16 active mobile phones in enterprise settings. A femtocell allows service providers to extend service coverage inside of your home - especially where access would otherwise be limited or unavailable - without the need for expensive cellular towers. It also decreases backhaul costs since it routes mobile phone traffic through the IP network.
A femtocell is sometimes referred to as a home base station, access point base station, 3G access point, small cellular base station and personal 2G-3G base station.or the concept is applicable to all standards, including GSM, CDMA2000, TD-SCDMA, WiMAX and LTE solutions

There are two broad femtocell architecture approaches within a mobile service providerâ„¢s network.

1. All-IP (SIP/IMS):
The SIP/IMS based approach integrates the femtocell through a SIP or IMS based network. This approach leverages a SIP based VoIP network for cost-effective delivery, while interworking with a cellular core to extend legacy circuit switched services. In this approach, the CPE converts cellular signals to SIP and interfaces to a SIP-MSC inter-working function (IWF) which connects to the SIP (or IMS) network as well as the circuit switched network.

2. Radio Access Network (IP RAN):
The IP RAN based approach effectively considers a femtocell an extension into the operator RAN network and ties the femtocell into the circuit switch core at the edge of the network. This typically involves transporting Iub messages over IP into a Radio Network Controller (RNC) or a modified RNC/concentrator. (The Iub is the interface used by an RNC to control multiple Node B's in a UMTS network.)
There are three different variants of this approach being pursued by different vendors, however all three of these variants require either the introduction of or major modification to network elements at the RNC layer of the mobile core network:
Modified RNC: This approach uses existing or modified RNCs to connect to the circuit switched core network. The CPE connects to the RNC via Iub over IP.
Concentrator: This is similar to modified RAN in that it connects to the CS core, but it does it through a new Ëœconcentratorâ„¢ device that interfaces with the CPE. The interface is again based on Iub over IP.
UMA: This approach incorporates a UMA client into the CPE and connects to the core network via a UMA UNC.


Femtocell Benefits to End Users

Reduced in home call charges
Improved indoor coverage
Continued use of current handset
Reduced battery drain
One consolidated bill
Multiple users/lines
Landline support

Femtocell Benefits to Mobile Operators

Improves coverage
Reduces backhaul traffic
Provides capacity enhancements
Reduces churn
Enables triple play
Addresses the VoIP threat
Stimulates 3G usage
Captures termination fees
Allows for multiple users/lines
Addresses the fixed mobile convergence market with a highly attractive and efficient solution

Femtocells are an alternative way to deliver the benefits of fixed-mobile convergence. The distinction is that most FMC architectures require a new (dual-mode) handset which works with existing unlicensed spectrum home/enterprise wireless access points, while a femtocell-based deployment will work with existing handsets but requires installation of a new access point that uses licensed spectrum

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Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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10-02-2012, 10:18 AM

to get information about the topic femtocell technology full report ,ppt and related topic refer the link bellow



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