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Wireless Networks

ZigBee Reaches Version 3.0

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ZigBee Reaches Version 3.0

The ZigBee Alliance unifies multiple ZigBee wireless networking technologies into a single standard-- ZigBee 3.0, a means enabling communications between multiple devices in both residential and enterprise applications.

ZigBee 3.0 is IEEE 802.15.4-based, operates at 2.4GHz and uses ZigBee PRO, the group's standard for network formation and the devices attached to them. However it lacks 2 ZigBee specs, namely Smart Energy 2.0 (an IP-based profile) and RF4CE (a ZigBee version geared at remote controls).

“Underneath the covers we are accommodating these multiple applications in a single standard, so ZigBee thermostats, for example, can be used in either home or office buildings,” the Alliance says.

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Quantenna, SoftAtHome Team Up in Wireless

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Quantenna, SoftAtHome Team Up in Wireless

Networking vendor Quantenna and smart home platform developer SoftAtHome announce a team-up in next generation wireless home networks combining the SoftAtHome software with Quantenna wifi technology.

The first result of the partnership is the SOP7 embedded software platform. Powered by Quantera's QSR1000 4x4 800.11ac wifi chipset, the SOP7 claims to provide OEMs with greater bandwidth for TV and network operator solutions ranging from STBs to dongles, NAS and home gateways.

The partnership also covers multiple wifi and home networking areas, namely gateways-service connectivity, band steering, P1905 standard bandwidth management and cloud-based wifi network management.

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Samsung Claims Faster Wifi

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Samsung Claims Faster Wifi

Samsung announces the development of 60GHz wifi technology-- enabling wireless data transmission speeds of up to 4.6Gbps (or 575MB per second), a five-fold increase over the current 866Mbps maximum.

The company says it allows the transfer of a 1GB movie in less than 3 seconds, as well as real-time uncompressed HD video streaming from mobile devices to TVs.

According to Samsung the 802.11ad 60GHz wifi technology eliminates co-channel interference regardless the number of devices using the same network in order to maintain maximum speeds and remove the gap between theoretical and actual speeds. How so? Via the use of "micro beam-forming control technology" optimizing the communications module in less than 1/3000 seconds.

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An Ant-Sized IoT Radio

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An Ant-Sized IoT Radio

UC Berkeley and Stanford University engineers develop a possible solution for the wireless demands of the Internet of Things-- a cheap tiny (3.7mm x 1.2mm) dual-band radio powered by the signals it receives.

Similar tiny radios already exist, but unlike similar solutions (which operate on low frequencies), the Berkeley/Stanford radio receives data on the 24GHz band and transmits on 60GHz. This reduces the power requirements by so much the radio charges itself with energy from received signals.

Higher frequencies also allow very fast data transmission rates, even if in the data transmitted is of low volume.

“One of the benefits of going to high frequencies is that the wavelengths get smaller and you can put the antennas on the chip itself,” UC Berkeley Wireless Research Center director Ali Niknejad tells Wired.

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Broadcom Intros "Most Powerful" 5G Wifi Chip

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Broadcom Intros

Broadcom claims to double the wifi performance in upcoming smartphones and tablets with the BCM4358, a 5G 802.11ac wifi 2x2 Multiple Input Multiple Output (MIMO) combo chip.

MIMO technology uses multiple antennas for both transmitter and receiver. It is already found in the iPad Air and iPad mini with Retina Display.

"The combination of 5G WiFi and 2x2 MIMO unlocks the full potential of today's smartphones and tablets. These technologies are becoming de facto requirements for connectivity in high-end mobile devices," the company says. "With the BCM4358 we are addressing critical multi-radio interference challenges while setting a new bar for performance that reflects Broadcom's continued commitment to be first to deliver the most powerful solutions in the market."

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