Thursday, August 27, 2009

Handover Between LTE and CDMA Networks

CDMA - LTE HandoverGood news for CDMA Operators in Indonesia. ­LG and Nortel have demonstrated the world's first 3GPP standards compliant active handover of a data transmission between a LTE network and a CDMA network. Inter-technology handover allowing mobile users the ability to move between LTE and CDMA networks without losing data connectivity means that operators can run these networks concurrently without impacting services. This will help to ensure that users have full network coverage while taking advantage of LTE speeds, wherever initially available.

The test by LG and Nortel successfully demonstrated the feasibility of idle mode handover between CDMA and LTE and active mode handover from LTE to CDMA leveraging device assisted, network controlled functionality. The demonstration was conducted over 700MHz spectrum using Nortel CDMA Evolved High-Rate Packet Data (eHRPD) 1xEV-DO and Nortel LTE solution with LG's dual-mode CDMA-LTE M13 terminal. The M13 terminal is a test device created with commercial grade components that will form the basis for a consumer device which is expected to be available in 2010.

The handover between CDMA and LTE networks was completed in a live-air environment at Nortel's Research and Development Centre in Ottawa, Canada.


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