Tuesday, December 13, 2011

NSN Supplies Circuit Switched Fallback to KDDI

Nokia Siemens Networks is implementing its Circuit Switched Fallback (CSFB) technology to enable CDMA and LTE technologies to work together in KDDI’s network in Japan.


Nokia Siemens Networks’ CDMA-LTE CSFB solution is implemented via software on the existing CDMA 1X system, which interfaces with KDDI’s LTE network. Exhaustive trials of end-to-end CSFB have already been successfully conducted and the nationwide deployment will be completed by mid 2012. NSN said this ensures readiness of end-to-end CSFB functionality in anticipation of KDDI’s commercial LTE network launch later in 2012.


"CDMA is recognized for its high voice quality and high call capacity,�? said Scott Mottonen, head of the CDMA/LTE business line at Nokia Siemens Networks. “Until LTE technology matures and Voice over LTE (VoLTE) has been optimized, CDMA will fully meet subscribers’ expectations while increasing KDDI’s return on network investment. "http://www.nokiasiemensnetworks.com

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