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Telecommunications Nortel promises to double capacity of cellular networks
Telecommunications Nortel promises to double capacity of cellular networks | Nortel promises to double capacity of cellular networks |
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| by Stuart Corner | |
| Wednesday, 25 October 2006 | |
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The announcement follows that of Nortel's commercial mobile WiMAX product http://www.itwire.com.au/content/view/6231/127/ earlier this month with the claim that its mimo technology will enable operators to deliver video-grade content for as little as one-tenth the cost per bit of current 3G wireless networks, and that it can "deliver three times the speed and twice the subscriber capacity with greater range and building penetration in urban areas compared to non-mimo WiMAX solutions." According to John Hoadley, chief technology officer, Mobility and Converged Core Networks, Nortel, "Uplink Collaborative MIMO creates a technological disruption that offers revolutionary improvement in wireless network capacity and provides a clear path to 4G Mobile Broadband - of which WiMAX is the first technology," For the demonstration, Nortel used MIMO-enabled multiple antennas at the cell site and on 4G devices together with orthogonal frequency division multiplexing (OFDM) transmission technology. Nortel says that a combination of these two technologies is able to deliver "the highest network bandwidth and greatest spectral efficiency capabilities at the lowest cost." Over the last eight years, Nortel says it has been making progressive investments in OFDM-MIMO technology and it claims to own dozens of critical patents in these areas. {moscomment}
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