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RF/Microwave??

Antenna handles LTE MIMO requirement

Posted: 08 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:antenna? LTE? 4G? MIMO?

SkyCross has combined its patented iMAT antenna technology with advanced digital band-switching to deliver the ultimate antenna solution for LTE. This solution not only delivers up to 2.5x faster 4G data rates, but it also supports the legacy wireless protocols that operate alongside LTE, while doing so in a very small footprint.

The iMAT solutions specifically address the multiple-input, multiple-output (MIMO) requirement of 4G protocols. Mobile devices that support MIMO typically require multiple antenna resonators, but space constraints and interference issues make this a difficult implementation challenge. SkyCross iMAT antennas utilize a patented antenna design technique that enables a single optimized antenna element to take the place of multiple antennas, which lowers cost, improves MIMO performance, and streamlines the integration process when compared to traditional antennas.

Since LTE devices must support legacy 3G networks as well as added features, band-switching technology from SkyCross enables the antenna to actively tune across multiple frequencies as required for the function operating on the device at that moment. This further reduces the space occupied by the antenna, especially at 700MHz, while still delivering exceptional performance for all of the device's features. Current SkyCross designs support up to 10 bands including 700MHz band 13 and 17 for North American LTE, 2600MHz band 7 for global LTE carriers, as well as legacy penta-band 3G cellular, GPS, Wi-Fi and Bluetooth, which emerging 4G smart phones require. SkyCross can apply this innovative antenna technology to support any combination of bands needed, so device manufacturers can select which bands apply to their designs.

"The industry is painfully aware of the issues that surround implementing LTE in small mobile devices with already limited space and extremely high performance expectations," said Charles Riggle, VP of Marketing and Business Development at SkyCross. "The way the antennas work in 4G systems can affect how the device performs, how the user experiences the service, and how the carrier makes money. We are pleased to work with 4G network operators and major device OEMs to raise the bar on performance for LTE smart phones and other small wireless devices, particularly in the 700MHz band."





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