The Hindu Business Line : CDMA 3G trials by May-end

While Chinese equipment manufacturer ZTE is importing the hardware required to carry out the tests, Tata Teleservices is seeking an operating licence for the purpose.

The move comes after the CDMA industry got the approval from the Department of Telecom (DoT) to carry out trials using the 1900 Mhz frequency band to check if it interferes with the mobile services offered by GSM-based cellular operators.

The DoT has directed the CDMA operators to stop the trials immediately in case it causes any interference.

The Government has given the operators three months to commence the trials.

The Wireless Planning and Co-ordination (WPC) wing and the Telecom Engineering Centre will monitor the trials.

"The process to set up the network will take 2-3 weeks, after which we will begin trials by May-end or latest by first week of June," said a CDMA industry source.

"We are confident of offering services in the 1900Mhz band without causing any interference to GSM operators."

The DoT has said that the purpose of the trials is to study the use of mixed band in the 1900Mhz band along with WCDMA system in the 2Ghz band.

"Trials should be conducted with reasonable number of base stations of both the systems, with proper placement to form a cluster along with large number of users (similar to the situation in a dense traffic area)," said a DoT directive to CDMA operators.

GSM operators have claimed that spectrum in the 1900 Mhz should not be used for cellular services as it will interfere with their service.

3G services will enable mobile users to access high-speed data services on their handsets.

The technology will also allow the spectrum-starved operators to offer better quality of service.

The Government is expected to announce its policy on 3G services by the end of the month.

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