Tuesday, January 20, 2009

NSN Tests Orthogonal Sub Channel, Doubling GSM Capacity

Nokia Siemens Networks successfully employed Orthogonal Sub Channel (OSC) technology to carry four calls in one GSM radio timeslot. This effectively doubles the voice capacity of the GSM radio network.


The OSC demonstration was conducted as a drive test using four handsets sharing only one radio timeslot and without compromising the call quality. The demonstration, which was held on January 21, used existing commercially available GSM handsets.


Nokia Siemens Networks said the OSC demonstration was the first of its kind The company is actively contributing to the standardization of OSC and is planning to have the technology commercially available in 2010.


"This successful demonstration opens up a profitable growth path for operators, evolving their networks to a new level of efficiency with minimized CAPEX and OPEX. This is made possible by a software upgrade to existing Flexi EDGE Base Station and Base Station Controller. OSC is fully interoperable with existing handsets, so it promises immediate cost saving for operators", said Prashant Agnihotri, Head of GSM/EDGE product management, Nokia Siemens Networks.


The OSC innovation is also an important addition to Nokia Siemens Networks' offering of sustainable and green products and solutions. With OSC, operators can gain more capacity from the same base station hardware, meaning fewer base station sites are needed in network rollouts and capacity extensions, which in turn saves energy and decreases the CO2 emissions.
http://www.nokiasiemensnetworks.com

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