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UWB antenna optimised for WiMedia Alliance BandGroup 1

Posted: 18 Jan 2007     Print Version  Bookmark and Share

Keywords:Omron  surface-mounting  polymeric antenna  WXA-N2SL  UWB communications 

Omron Corp. has announced a surface-mounting polymeric antenna, the WXA-N2SL, the third model in its line-up of polymeric antennas for UWB communications. In anticipation of the first wave of UWB-enabled consumer electronics, which will function exclusively in the WiMedia Alliance UWB BandGroup 1 (BG1 3.1-4.9GHz) frequency band, this antenna is optimised specifically for this bandwidth.

Additionally, the antenna's ability to suppress out-of-band noise by 50 per cent or more enables high-quality communications between wireless USB dongles, hubs, personal computers, mobile equipment and digital home appliances even under adverse, noisy real-world conditions. The WXA-N2SL antenna will be manufactured at Omron's Kusatsu Factory in Shiga prefecture, Japan, and is available for sale immediately in mass production volumes.

UWB communications provide a convenient means of rapidly transmitting large volumes of data over short distances with low power consumption. As a result, this technology has attracted considerable attention as a solution to meet growing consumer demand for wireless integration of multiple entertainment devices in the home.

The first WiMedia Alliance-certified UWB products are expected to operate in the 3.1 to 4.9GHz frequency range. Until now, a separate filter circuit was required to suppress interference from other electronic appliances and unwanted radiation outside the UWB range. However, the WXA-N2SL has been developed with a "filter-assist" function allowing it to independently suppress this out-of-band noise.

The WXA-N2SL antenna has been selected for use in California-based UWB chipset vendor Sigma Designs' Windeo UWB chipset with Intelligent Array Radio.

"Wireless high-definition A/V streaming is a real-time application that requires high performance radio and antenna to seamlessly deliver content without interference over an extended range," said Hung Nguyen, general manager and vice president of Sigma Designs' Wireless Products Division.

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