Femtocell Disadvantages

[s.sunilpal123]

Hi experts.

Are there any major reasons femtocells should not be deployed in 3G network and Indian scenario?
If we say interference due to improper location, it can be countered by saying deploy femtocells only where 3G macro coverage is say less than -120dBm. Similarly the bandwidth requirement for femto operation can also be countered.

Are there any disadvantages of femtocell which cannot be countered?

[s.sunilpal123]

Pls someone reply...! :'(

[Nyquist]

Hi.
According to E*******:

"For outdoor heterogeneous network deployments, reusing existing site infrastructure and maximizing the value of acquisition contracts should be the first priority for operators, together with technological
and automatic solutions that reduce cell-site maintenance costs. Further benefits can be gained by creating business relationships with partners such as facility management companies.
When deploying small cells as a complement to macro cells, careful network planning is needed to minimize the total number of cells – reducing the overall cost of ownership, and ensuring robust and seamless service.
The deployment of small cells for indoor sites makes infrastructure and interference issues easier to manage. Heterogeneous networks can also be integrated smoothly with Wi-Fi, which is a more costeffective
solution for indoor mobile broadband coverage for enterprise and residential users than femtocells.
Femtocells are a costly and complex way of delivering coverage to the relatively small percentage of homes lacking good macro coverage. As they are not fully integrated with the macro network, femtocells that reuse macro carrier frequency can create interference, which affects user experience across the entire network. Addressing this issue by splitting spectrum using a separate dedicated carrier for these cells reduces the total capacity of the network – again affecting user experience. In this case, Wi-Fi is a better choice, as it can be used for data services, and new smartphones are WiFi-capable. Separate, unlicensed or license-exempt spectrum is also available for Wi-Fi, allowing operators to avoid the drawbacks of interference or spectrum-splitting that can arise with femtocells.
Deploying small cells as part of a heterogeneous network creates an additional challenge for operators – scalability. New methods for operational deployment and management need to be considered to avoid repeat site trips and control cost, which is directly related to the number of sites. High-precision planning, scheduled network compensation for down cells, and new partnerships to manage unit planning, deployment and replacement are a few examples of this changing business model Radio solutions will be needed that provide out-of-the-box, multi-standard and energy-efficient operation, with automated features for continuous optimization. It should be as simple to install a small-cell site as it is to install a Wi-Fi access point."

Hope it helps

If you found it useful, please give me rep

[Nyquist]

Hi.
You can find the complete article here:

http://www.e*******.com/res/docs/whitepapers/WP-Heterogeneous-Networks.pdf

Good reading!

[Nyquist]

Hi s.sunilpal123 (http://www.finetopix.com/member.php?45030-s.sunilpal123).
If you search in here you can find a lot of material and books.
Here some examples:
http://www.finetopix.com/showthread.php?28809-Femtocells-in-UMTS-The-Interference-Dilemma&highlight=femtocell
http://www.finetopix.com/showthread.php?28592-Why-Mobile-operators-should-deploy-Integrated-Femto-WiFi-%28IFW%29-Networks&highlight=femtocell
http://www.finetopix.com/showthread.php?27857-Femtocells-for-Homes-The-Evolving-Femto-Ecosystem&highlight=femtocell
http://www.finetopix.com/showthread.php?19154-FemtoCell-all-docs&highlight=femtocell

and more...
Take some time and enjoy!!

[melkaiy]

femtocell is deployed where there are congested and interfered macro sites. In 3g, most alleys in the city suffers from too much pilot pollution which results from drops and failures and which is also same effect of an interfered site. The cell splitting using femtocells is only good for cell edges, coverage holes and narrow roads in the city like alleys where coverage are necessary.

please add reps if this one is useful