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Tuesday, 20 March 2012 17:19

Huawei claims 30Gbps wireless "beyond LTE"

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Huawei claims to have developed technology "beyond LTE" that is capable of delivering data at 30Gbps, but has given scant information, in particular what bandwidth is required to achieve this.

Huawei says it has "recently introduced...Beyond LTE technology, which significantly increases peak rates to 30Gbps - over 20 times faster than existing commercial LTE networks."

It claims to have achieved this with "key breakthroughs in antenna structure, radio frequency architecture, IF (intermediate frequency) algorithms, and multi-user MIMO (multi-input multi-output).

The current LTE standard is designed to operate with a maximum of 20MHz of contiguous bandwidth and specifies a maximum downstream data rate of 300Mbps.

However it appears that Huawei is using much greater bandwidth. Its announcement goes on to say: "Key features include: innovative antenna structure [that] greatly improves performance and meets wideband requirements [and] next generation direct radio frequency technology [that] reduces costs and power consumption, and realises ultra broadband carrier aggregation." (our italics).

The LTE-Advanced specification is for up to 100MHz of bandwidth, which need not be contiguous and up to 8x8 MIMO (eight transmit and eight receive antennas) and a maximum downstream bandwidth of 3.3Gbps.

The company has given no indication of how its technology aligns with standards for LTE Advanced, nor when it might be commercially available. Several vendors have demonstrated LTE-A and commercial products are expected to be available in two to three years.

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