This blog is by Andrew Burrell at Nokia Networks.
Say that again?
The famous children’s writer Dr. Seuss created this tongue twister in his “Fox in Socks” story. He wrote it by starting with a simple sentence and then built it up layer by layer.
That’s not unlike today’s mobile broadband networks. Operators started with GSM, but soon added GPRS, EDGE, WCDMA, HSPA, Wi-Fi, LTE and LTE-Advanced. With multiple frequencies and the onset of small cells, operators are managing a daunting 10 or more layers of network complexity. The risk is that costs rise while service quality and profits come tumbling down.
But Dr. Seuss also had another famous quote: “Sometimes the questions are complicated and the answers are simple.”
Well, one simple answer for operators facing such complexity is the Nokia Multi-layer Optimization service. It uses Nokia expertise, and proprietary tools to detect interference and predict how the network will behave in the future as traffic grows.
The end-to-end service looks at issues affecting the network, the devices connected to it, applications and the users’ experience. It also covers different technologies in multi-vendor networks.
Woo hoo for an 84% improvement in throughput!
Since its launch in Barcelona earlier this year, the Multi-layer Optimization service has been proving its value. In the Middle East, a mobile operator saw an 84% improvement in throughput after only two weeks. Nokia analysed the performance of this LTE network and used patented algorithms to help identify ‘polluters’ – that is, cells that were causing interference and degrading network quality. These problems could be quickly mitigated by adjusting antenna tilt and power tuning. In addition, load balancing/equalization features were used to move traffic from 800 MHz to the less congested 2600 MHz layer.
Another huge success was in the US, where a major operator asked us to improve the performance of ten different regions. Independent company RootMetrics measured and compared the performance of different operators for overall performance, reliability and speed. In less than six months our Multi-layer Optimization service delivered significant improvements. All the areas optimized by Nokia Networks are now ranked number one or two on ‘reliability’ when compared with the other three major operators, with six of the areas achieving higher positions in the ‘Overall Performance’ ranking. Most significantly, two of the regions leaped up the charts from number four to number one positions.
Although networks continue to become ever more complex, this doesn’t necessarily mean rising costs are inevitable. Nokia’s Multi-layer Optimization service can cut through the complexity and find the path to better performance.
Learn more about how Multi-layer Optimization service can improve your network on our Services for HetNets page.
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