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Teleste – Building a smart, safe and smooth future

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Arttu Purmonen

Churn: What can be done before revenues are impaired?

Many organisations have optimised their processes in an effort to find new customers. But as markets reach a mature state, customer retention becomes a pivotal strategic challenge for such organisations.  Churn is commonly defined as the actions whereby customers discard... Continue Reading →

Noise Figure in full digital transmission, useful or dangerous?

Take your favourite CD and switch on your CD player. Connect it directly to your audio amplifier and turn up the volume to its maximum. Everything works if the audio level in the amplifier input is relatively low but not... Continue Reading →

Who controls remote controls?

Cable operators aggregated content long before broadband connections were part of their portfolio. Since broadband connections started to increase ARPU’s of Cable TV operators, they also gave access to various OTT players. Perhaps the most known has been Netflix, but... Continue Reading →

What is required from the 4K QAM headend?

DOCSIS® 3.1 introduces new modulation schemes, of which the most advanced is called 4K QAM. Transmitting and receiving advanced constellations while maintaining a decent Bit Error Ratio is not going to be easy. What does it actually require? How should... Continue Reading →

Celebrating 20 years of IoT

Our first HFC devices were connected to the Internet in 1996. Three years before IoT was introduced. Today, a majority of our devices are equipped with transponders and what we used to call ‘remote connection’ is now called the Internet... Continue Reading →

Digital fibre and distributed CMTS provides a weaker video viewing experience…

…but this can be solved if the components are designed carefully. First of all, I find it funny to call fibre either analog or digital. Like fibre would know what kind of light it carries. In the cable TV industry,... Continue Reading →

Do you really care if 1.2 GHz HFC networks can carry full-blown DOCSIS® 3.1?

Many care, yet only few require - although everybody should rememBER. Cable TV industry talks about DOCSIS 3.1. It brings salvation, has an extremely effective forward error correction and supports 4k QAM. Funnily enough, as always, the devil is in... Continue Reading →

Think about your access ecosystem

http://www.youtube.com/watch?v=4Rs95lQpvAQ Typically, an HFC access network is the network between headends and wall outlets. Optical access is terminated in the fibre nodes and RF access in the wall outlets. What might easily be forgotten is the fact that all of... Continue Reading →

DOCSIS dominates in NGA but what is 3D?

Today, DOCSIS is the most widely used high-speed broadband technology. The triumph continues when operators are capable of using DOCSIS 3.1 on a larger scale. This requires upgrading of network infrastructures including active and passive HFC products. Many operators trusted... Continue Reading →

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