Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
Nortel has demonstrated wireless technology that it claims has the potential to double the number of subscribers a cell site in cellular network is able to support.
Nortel has staged, at its labs in Ottawa, what it says is the first demonstration of Uplink Collaborative MIMO (multiple input multiple output) technology, developed by Nortel, which is already part of the mobile WiMAX standard and which Nortel is proposing be incorporated in the 3GPP WCDMA Long Term Evolution (LTE) and 3GPPP2 CDMA eV-DO Rev-C standards.
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.
David Bass
| For the fourth year in a row, IDC has placed content security provider Websense (NASDAQ: WBSN) at the top of the IDC Worldwide Web Security 2011 –…
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