Nokia Siemens Networks offers enhanced voice quality, capacity on GSM

 

 

   
Nokia Siemens Network
 
Press Release
Espoo, Finland – June 9, 2011
 
 
Nokia Siemens Networks offers enhanced voice quality, capacity on GSM
Conducts world’s first Dual Full Rate call using latest software innovation
 
Taking a step forward in the evolution of GSM, Nokia Siemens Networks conducted the world’s first pre-commercial call, exploiting its Orthogonal Sub-Channel Dual Full Rate (OSC-DFR) software feature for GSM networks. With this feature, GSM operators can enjoy the twin benefits of up to 100% increase in voice capacity and significantly enhanced speech quality. GSM is by far the most widespread mobile technology with over 4 billion subscriptions worldwide*.
 
“The new feature builds on our OSC innovation of 2009**, and extends its capabilities by offering better speech quality along with an increase in voice handling capacity,” said Kimmo Virkki, head of GSM product management at Nokia Siemens Networks. “OSC-DFR can reduce capital and operations expenditure for operators as it requires fewer carrier units and base station sites as well as less transport capacity. Moreover, the OSC-DFR feature allows operators to accommodate more voice and data traffic into the existing spectrum, thus facilitating the reuse or refarming of 3G/LTE services in GSM frequency bands.”
 
Operators who have deployed the commonly used Adaptive Multi Rate-Full Rate (AMR FR)*** in their networks can use the OSC-DFR feature to achieve unmatched speech quality and at the same time can nearly double their voice capacity. Nokia Siemens Networks’ new GSM feature will be used in customer pilots from the end of June 2011.
 
Nokia Siemens Networks is an industry leader in GSM/EDGE with 362 GSM customers in 142 countries, serving over 2.9 billion subscribers globally.
 
 
About Nokia Siemens Networks
Nokia Siemens Networks is a leading global enabler of telecommunications services. With its focus on innovation and sustainability, the company provides a complete portfolio of mobile, fixed and converged network technology, as well as professional services including consultancy and systems integration, deployment, maintenance and managed services. It is one of the largest telecommunications hardware, software and professional services companies in the world. Operating in 150 countries, its headquarters are in Espoo, Finland. www.nokiasiemensnetworks.com
 
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Notes to editors:
* Data from “GSM/3G Market/Technology Update” issued by the Global Mobile Suppliers Association on May 15, 2011, stated that by December 2010, there were over 4.78 billion GSM and WCDMA-HSPA subscriptions. Out of this, 638 million were WCDMA subscriptions, which included 366 million HSPA subscriptions. This translated to over 4 billion GSM subscriptions worldwide by December 2010. http://www.gsacom.com/downloads/pdf/GSM_3G_WCDMA_HSPA_LTE_Fact_Sheet_150511.php4 (registration required)
 
 
*** The Adaptive Multi-Rate (AMR or AMR FR) audio codec is a patented audio data compression scheme optimized for speech coding. AMR was adopted as the standard speech codec by 3GPP in October 1998 and is now widely used in GSM and UMTS.
 
 

 

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