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Products

Operators Need to look at End-to-End WiMAX

Posted on December, Tuesday 13, 2011 By itVAR News Network

After years of intense interest and high expectations, Mobile WiMAX is now ready to be rolled out and especially for rural parts of the country where there is very little communication infrastructure, a technology like Wimax should do wonders. 

Network operators worldwide are busy evaluating or planning for Wimax deployments, selecting vendors, identifying the appropriate network architecture and often deciding how to integrate Mobile WiMAX within their legacy communications infrastructure system. 

At this point in time, operators should look at providing end-to-end Wimax solution for their end customers and take them another notch up towards connectivity. 

As the telecom industry moves towards the implementation phase, attention is gradually widening beyond its initial focus on the radio interface. It was the natural place to start, as it is the main building block of a WiMAX network and is responsible for most of the spectrum efficiency and cost savings that WiMAX promises to the telecom worlds in different parts of the globe.

With operators starting to plan end-to-end networks, however, network operators have increasingly been looking beyond the air interface, to the entire Access Service Network (ASN) and the Connectivity Service Network (CSN) domain. The ASN coordinates traffic across multiple Base Transceiver Stations (BTS) and supports security, handoffs and Quality of Service (QoS). 

Traditionally speaking, the CSN manages core network operations through Internet Protocol (IP) servers, Authorization, Authentication and Accounting (AAA), Voice over Internet Protocol (VoIP) and Public Switched Telephone Network (PSTN) gateways, and it provides an interface to legacy core networks and other operators’ networks.

On the other hand, the open IP architecture which is at the core of WiMAX marks a major innovation point within non-proprietary mobile technologies. It is set to decrease the complexity and cost to network operators, while increasing the flexibility in developing new services and applications and the freedom in selecting the best suited vendors. 

Moving forward, if network operators want to reap the full benefits that WiMAX and its all-IP architecture can deliver, they need to carefully select the ASN and CSN solutions that best suit their requirements and provide all the functionality required at the customer level while avoiding unnecessary complexity in their network in order to gain more from less.

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