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May 28th, 2013 at 7:47 am

Google will use blimps to bring Wi-Fi to Africa and Southeast Asia

Google blimp

Google plans on building huge wireless networks to sub-Saharan Africa and Southeast Asia using high-altitude balloons and blimps.  The intend to finance, build and operate the wireless networks that will connect a billion people to the web.

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To help enable the campaign, Google has been putting together an ecosystem of low-cost smartphones running Android on low-power microprocessors. Rather than traditional infrastructure, Google’s signal will be carried by high-altitude platforms – balloons and blimps – that can transmit to areas of hundreds of square kilometres.

Google has also considered using satellites to achieve the same goal. “There’s not going to be one technology that will be the silver bullet,” an unnamed source told the Wall St Journal. A Google spokesperson declined to comment.

Meanwhile, back on the ground, Google lobbyists are targeting regulators across developing countries to allow them to use airwaves currently reserved for television broadcasts – which operate at lower frequencies and can therefore penetrate buildings and travel longer distances than current WiFi technology.

Small-scale trials are underway in Cape Town, South Africa, where a base station is broadcasting signals to wireless access boxes in high schools over several kilometres. Software detects which areas of the spectrum aren’t being used for TV broadcast and can be used for the network at any given time.

In a blog post, the company said the technology was “well-suited to provide low cost connectivity to rural communities with poor telecommunications infrastructure, and for expanding coverage of wireless broadband in densely populated urban areas”.

Via Wired

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