For years, mobile network planners have looked for ways of getting quick, cheap coverage inside buildings. The traditional solutions, repeaters and Distributed Antenna Systems, tend to be used only on high profile projects as they are expensive and take a long time to deploy.
Now that in-building cells are increasingly recognized as the most effective way to deliver great quality voice and data, more and more network planners are tuning instead to picocells like the nanoGSM and nano3G.
Unlike repeaters, picocell installation does not need an antenna on the roof and each picocell actually adds capacity to the network while avoiding cell distortion and interference issues. Since picocells use Ethernet cabling and existing broadband IP connections, installation is much quicker and cheaper than traditional passive DAS, and can even be done by the customer. Not only this but they add capacity to your network as well.
Improved in-building coverage not only increases customer usage but can also drive customer acquisition and retention strategies.
Poor coverage and quality are major causes of business customer churn. Picocells help you win and keep business customers by giving them their own private cell. Operators are using picocells as part of their offering with new enterprise services (mobile PBXs, etc.) to give a guaranteed quality to their business users
Because they are fast and low-cost, the nanoGSM and nano3G systems deliver rapid payback and ongoing revenues from businesses with 10 to 1000 users.
For a whole generation of mobile network planners, repeaters offered quick, cheap coverage inside buildings. Unfortunately, they also drain capacity from the macro network, distort the cell and can create havoc with interference, handover and manageability. But picocells allow planners to deliver high-quality voice and high-speed data while actually adding capacity to the macro network instead of draining it away.
| Picocell | Repeater |
| Adds both coverage and capacity, with ability to improve data rates | Only extends coverage, no additional capacity (feeds off macro network) |
| Generates its own signal | Requires donor antenna which can be expensive to install on roof |
| Reduces uplink interference by removing handsets from outdoor network | The repeater itself can cause uplink interference creating radio planning problems |
| Provides full control of handover | Handover neighbours same as the macrocell |
| Fault and performance monitoring and full O&M support | Most repeaters are unmanaged with no automated fault reporting |
| Generates operator-specific signal | Cheap repeaters amplify competitors’ signals |
| Requires broadband IP connection to connect back into network | Works in isolation, but needs nearby macro site |
| Can feed a DAS system | Can feed a DAS system |