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  • Everything Everywhere's 4G network bid: a storm in a teacup?

    Everything Everywhere's bid to launch 4G services in the UK later this year has created quite a stir, with rival operators O2, Vodafone and Three claiming that the move could damage competition in the market. But is the proposal a real threat to competition or just big fuss about nothing?

  • Do mobile phones and tablets really need multi-core chips?

    Multi-core processors for tablets and smartphones are being touted by chip maker Nvidia and others at the CES trade show, but some in the industry question their value.

  • Tech argument: LTE vs. WiMAX

    Wait, we're still arguing this one? Why?

  • BlackBerry PlayBook vs Apple iPad 2

    Steve Jobs tried to dismiss iPad's tablet rivals as "copycats" at Wednesday's iPad 2 launch. But whether Steve likes it or not, the tablet wars are officially on. And this battle will be decided not only by consumers and gadget lovers seeking the latest and greatest slates, but also by businesses and corporate workers looking for the next game-changing productivity tool.

  • The 5 coolest things to come out of CES

    Anyone who's attended tech conventions over the past five years has heard plenty about 4G wireless networks, but this year the hype has become a reality.

  • What is 4G? WiMax and LTE don't qualify

    If someone is trying to sell you 4G wireless these days, don't believe them. The truth is, neither WiMax nor LTE (Long-Term Evolution) qualify as 4G (fourth-generation) technologies, according to the International Telecommunication Union Radiocommunication Sector (ITU-R).

  • Top ten gadgets from Ceatec 2010

    Ceatec, Japan's largest electronics show, is over for another year. We spent a week rushing around Makuhari Messe near Tokyo checking out some of the coolest, most futuristic gadgets and developments that Japan's electronics industry has to offer.

  • Cisco Cius versus Apple iPad

    The Cisco Cius tablet is more than an Apple iPad knock-off. Here's how the two stack up.

  • WiMax vs LTE: What WiMax 2 promises

    Faced with a growing number of operators planning to launch 4G LTE services over the next year, WiMax's creators at the Institute of Electrical and Electronics Engineers (IEEE) and its industry boosters are moving aggressively to upgrade the mobile data standard in time for a commercial launch in the US as early as 2012.

  • Mobile developers get ready for 4G data explosion

    With 4G networks due to hit the mass market over the next two years, some application developers are looking at ways to exploit the new high-speed connections to improve their apps' performance and capabilities.

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Mobile WiMax versus 3G

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WiMax: The Rebel Broadband

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Mobile WiMax by enhanced OFDM, not OFDMA?

Mobile WiMax is supposed to be based on OFDMA, but WaveSat reckons you can migrate from fixed to mobile more easily with sub-channelised OFDM.
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