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Wireless Networks

Better Wifi Through MegaMIMO 2.0?

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Better Wifi Through MegaMIMO 2.0?

MIT researchers propose a means to triple wifi data speeds while doubling signal range and ease increasingly congested wireless networks-- MegaMIMO 2.0, a system able to eliminate signal interference.

The technology uses a processor, real-time baseband processing system and a transceiver board to vary the frequency range of wifi signals within the required spectrum. This allows multiple independent transmitters to transmit data on the same spectrum to multiple independent receivers, without signals interfering with each other.

“In today’s wireless world, you can’t solve spectrum crunch by throwing more transmitters at the problem, because they will all still be interfering with one another,” the researchers say. “The answer is to have all those access points work with each other simultaneously to efficiently use the available spectrum.”

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Wireless Networks Anywhere With Facebook's OpenCellular

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Wireless Networks Anywhere With Facebook's OpenCellular

Facebook retains ambitions to provide internet anywhere as it presents OpenCellular-- an open source software-defined wireless access platform.

Designed for use in remote areas, OpenCellular promises to support networking options ranging from simple wifi to "everything from 2G to LTE." It consists of 2 main subsystems, general-purpose and base-band computing (GBC) with integrated power and housekeeping system, and radio frequency (RF) with integrated analog front-end.

The hardware, firmware and control system are open source (via the Telecom Infra Project), allowing telcos, OEMs, entrepreneurs and researchers to easily implement, deploy and operate wireless infrastructure based on the platform. The actual hardware promises to be tough enough to handle high winds and rugged climates, and it should be mountable at a range of heights by just one person.

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Ruckus Boosts Wifi With ZoneFlex R710

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Ruckus Boosts Wifi With ZoneFlex R710

Ruckus announces what it claims is the first Wave 2 802.11ac wireless access point-- the ZoneFlex R710, featuring 4x4:4 MIMO for "unprecedented" network speed and range.

Built for high capacity, high performance and interference-laden environments, the ZoneFlex R710 handles up to 500 concurrent clients. It delivers 800Mbps over 2.4Gz and 1.7Gbps over 5GHz, with 802.11ac MU-MIMO improving airtime efficiency.

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Wifi Alliance Details 802.11ac Wave 2

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Wifi Alliance Details 802.11ac Wave 2

The Wifi Alliance expands the 802.11ac wifi standard with "Wave 2"-- essentially a means to boost current wifi bandwidths while retaining backwards compatibility.

According to the alliance Wave 2 doubles the bandwidth per channel to double performance should conditions be favourable. It also has four spatial streams, wider 5GHz channel support and MU-MIMO (multi-user, multiple input multiple output) support.

“In today’s world, people have more wifi devices per person and per household, and those devices require significantly more bandwidth,” the alliance says. “Wifi Alliance updated the wifi ac program to meet increasing user demands and to stay ahead of emerging applications, while preserving interoperability.”

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Bluetooth Reaches Version 5

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Bluetooth Reaches Version 5

An email by Bluetooth Special Interest Group director Mark Powell reveals the next version of the Bluetooth wireless standard-- Bluetooth 5, an update promising double the range and speed of Bluetooth 4.2.

Named without a point number in the name of simpler marketing, Bluetooth 5 has the support of major technology companies (including Apple and Intel), and features "significant new functionality for connectionless services" such as location-based information and navigations. Such technology is identical to that used by wireless beacons, as well as the Apple AirDrop and Handoff features.

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