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Renesas Mobile Set to Double Operators' GSM Capacity Following First Pre-Commercial Test of VAMOS II


News provided by

Renesas Mobile Corporation

Apr 26, 2012, 04:33 ET

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BEIJING, April 26, 2012 /PRNewswire/ --

Renesas Mobile Corporation today announced that it has undertaken the world's first pre-commercial trial of the latest version of Voice Services over Adaptive Multi-user Orthogonal Sub-channel (VAMOS II), the next step in the evolution of GSM technology. Held on a test network in Beijing, and using ZTE infrastructure equipment, the successful trial involved a complete implementation of VAMOS II on Renesas Mobile's smartphone reference platform RRP11B. The results showed a twofold increase in available network capacity including pairing with legacy terminals.

VAMOS is a new technology designed to significantly increase operators' voice capacity on existing networks by enabling them to accommodate up to four speech users on a single GSM channel. VAMOS II, the focus of the recent trial, represents a considerable advance over its predecessor, and brings immediate benefits to operators on deployment. Operators' available capacity is increased as VAMOS II terminals require less power to maintain voice call quality. In addition, VAMOS II maximises the number of users on each channel as it permits a greater number of combinations of handset types (i.e. VAMOS I, VAMOS II or non-VAMOS) to be used simultaneously.

"VAMOS II delivers tangible benefits to operators and end users," said Heikki Tenhunen, senior vice president at Renesas Mobile. "Many of those benefits are felt immediately as a result of the resource and spectrum optimisation it delivers, but as the penetration of VAMOS II capable handsets increases, the capacity benefits continue to grow."

Please click here for the complete press release: http://ots.de/I7vHx

Press contact:
Renesas Mobile Corporation
Anya Chambers
+86-186-1610-5720
[email protected]

SOURCE Renesas Mobile Corporation

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