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Will LTE Be to Mobile Operators What NGNs are to Fixed?

With all the excitement surrounding LTE, it is easy to overlook how the practicalities of migration will impact mobile operators. Migration to LTE will need to be approached in the same way that fixed telcos have viewed next-generation network (NGN) deployments – long term and holistically.

LTE will help the bottom line more than the top line

To date, we have heard very little about the applications expected to drive new revenues through LTE. This is reasonable in that we believe that web access will be the key data revenue generator for operators. To the end user, LTE will simply offer greater bandwidth.

However, it remains unclear how operators will monetise this faster network. Firstly, operators can’t charge for additional speed that they can’t guarantee. Secondly, they may want to charge a premium but history suggests that this will only be possible for additional value-added services or new devices at the outset. It will be eroded very quickly.

Conversely, vendor marketing messages emphasise increased capacity, more efficient management of data traffic and faster service provisioning. Therefore, LTE’s key benefit will be to reduce opex. If revenues are unlikely to grow, then at least margins will not be eroded by increased data traffic costs.

Legacy infrastructure weakens efficiency argument

Yet the above overlooks a key issue: migration. The above may be true when an operator’s entire customer base is on LTE, but how long will that take? We still do not have blanket 3G coverage in Europe. Considering that LTE requires even greater cell density, LTE’s timeframe could be even longer.

Therefore, mobile operators will still need to support 2G and 3G networks while LTE achieves full coverage. But it is not just the radio access network. Billing, provisioning and service assurance will still need to be supported for 2G and 3G networks during this transition phase, which is likely to last eight to ten years.

Then there is backhaul. Current solutions will be insufficient for the anticipated traffic. Fibre offers the best option for LTE, so operators will need to add fibre backhaul deployment to their total LTE migration expenditure.

The result threatens to be even greater network complexity, undermining the argument for greater simplicity and efficiency.

Time to look to fixed telco transformations for advice

Therefore, MNOs need to view the impact of LTE in the same way as NGNs in the incumbent space – part of a process for transforming their business to adapt to an IP-centric world. It is not simply a new layer in the radio access network, but a major overhaul of the business. As a result, it will also take time and money beyond network deployment.

In order to benefit from LTE’s promised efficiencies, operators must embark on a long-term mission to strip out legacy networks, systems, business processes and working practices. In parallel they will need to implement new operational systems and processes to effectively manage the new architecture.

Источник: Cellular news

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