science

Quadruple play

Quadruple play is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Quadruple play rather than just read about it. In short: In telecommunications, quadruple play or quad play is a marketing term combining the triple play service (broadband Internet access, television and landline phone) with mobile phone network operator service provisions. This service set is also sometimes referred to as "The Fantastic Four".

Key takeaways

Quadruple play belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Quadruple play to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Quadruple play from memory before moving on to harder problems.

Reference excerpt

In telecommunications, quadruple play or quad play is a marketing term combining the triple play service (broadband Internet access, television and landline phone) with mobile phone network operator service provisions. This service set is also sometimes referred to as "The Fantastic Four". In addition to being a testament to technological convergence, quadruple play also involves a diverse group of stakeholders, from large Internet backbone providers to smaller startups. Advances in LTE and other technologies are rapidly improving the ability to transfer information over a wireless link at various combinations of speeds, distances, and non-line-of-sight conditions. "Mobile service provisions" refers in part to the ability of subscribers to purchase mobile phone like services, as is often seen in co-marketing efforts between providers of landline services. It also reflects the ambition to gain wireless access on the go to voice, internet, and content/video without tethering to a network via cables.

Companies In the United Kingdom, NTL:Telewest (later Virgin Media) became quad-play in July 2006 when it merged with Virgin Mobile. This offered a "quadruple play" of cable television, broadband Internet, landline phones, and mobile, with prices for some contracts as low as £30 a month. It is marketed as "the simplest way for customers to get all their household communications from one provider". BT Group launched its own quad play services in March 2015 ahead of its purchase of EE running its mobile offering on the EE network. In January 2017, Sky UK became quad-play through the launch of Sky Mobile. In Hong Kong, PCCW first claims to be "the only operator in Hong Kong that offers a genuine quadruple-play experience". In 2016, HKBN entered the quad play market with a disruptive pricing strategy. In the United States, many telephone companies like AT&T, Verizon, CenturyLink, Cincinnati Bell, Hawaiian Telcom, Consolidated Communications (formerly SureWest), and formerly, BellSouth, Embarq, Qwest, and Cox (in some markets), have quad-play bundling. Comcast's Xfinity began offering Xfinity Mobile in 2017, which is a mobile virtual network operator on the Verizon Wireless network.

See also Dual play Fixed–mobile convergence Triple play

References

Worked examples

Example 1 — a first encounter with Quadruple play

Start with the simplest possible case. Write down what Quadruple play claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Quadruple play before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Quadruple play ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Quadruple play

In research: Quadruple play appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Quadruple play in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Quadruple play is common in secondary-school and first-year university syllabi. It links to neighbouring topics Digital television, Telecommunications economics, so understanding it makes those chapters shorter.
In everyday life: Look for Quadruple play outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Quadruple play in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Quadruple play means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Quadruple play out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Quadruple play in simple terms?

Why does Quadruple play matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Quadruple play?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Quadruple play.