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WLAN ref design achieves 600Mbps connection

Posted: 05 Jan 2010     Print Version  Bookmark and Share

Keywords:WLAN  reference design  Wi-Fi 

QHS600x ref design

From Quantenna Communications Inc. comes a complete reference design based on its QHS600 IEEE 802.11n WLAN 4x4 multiple input, multiple output (MIMO) chipset.

The QHS600 is a single-chip, 5GHz solution capable of 600Mbps connections that integrates base band, media access control and four RF transceivers, along with their respective power amplifiers, low-noise amplifiers and Tx/Rx switches.

However, according to David French, CEO of Quantenna, "Of more value is the digital beamforming hardware with on-chip DSP doing real-time characterisation of the Wi-Fi channel to perform [signal] steering on a packet-by-packet basis." The DSP is an ARC 4 and in all there are 14 patents around this area, he added. Other features include concurrent dual-band mode and mesh networking. According to French, it should be under Rs.468.22 ($10) by the end of 2010.

The newly-announced reference design kit, dubbed the QHS600x, consists of a radio GMII module connected via a mPCI connector to a host adapter board and enables straightforward board boot, bring up and program execution. It also includes integrated functions for various I/O interfaces, including gigabit Ethernet, DDR SDRAM, flash, USB 2.0 OTG, ARM JTAG debug port, GPIOs, serial port and four antenna ports.

Also included is a complete software developer's kit that implements the entire networking and device discovery/connectivity functionality required for a wireless video bridge module supporting the 802.11n standard. Additionally, Quantenna and LitePoint have worked together to provide a full test suite of specialised video-over-wireless RF calibration and performance-characterisation software.

According to French, Quantenna will introduce a video bridge at CES and he sees as strong play for its technology with service providers. The company already has a deal with Swisscom, one of its backers, as well as eight other providers, unnamed as yet.

The RDK is available now, with pricing set at between Rs.93,644.46 and Rs. 1.87 lakh ($2,000 and $4,000), depending on volume.

- Patrick Mannion
Wireless Net DesignLine

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