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Ericsson tech boosts telco spectrum utilization

Make a call on 900MHz, caller replies on 1800MHz

Ericsson is working on a 4G technology that allows calls or other communication services to move seamlessly across frequencies and technology standards, Arun Bansal, the company's radio business unit head, told Economic Times. This may help Indian and global operators overcome restrictions from frequency shortage.

Such a technology offers opportunities for spectrum-starved Indian operators, especially those holding frequencies in multiple bands. One of the major beneficiaries could be Reliance Jio Infocomm, which has spectrum in the 1800 MHz and 2300 MHz bands and has yet to launch services.

Ericsson's technology allows a call to be completed in different bands: a caller can uplink his voice onto the network in one frequency and get response in another. It is not possible at the moment - for instance, if the caller's phone is using 900 MHz band to uplink the voice, it will receive the respondent's voice in the same frequency band.

According to Bansal, the technology is already out of the lab and the company is working with chipset makers for commercial development, allowing phones to work in any frequency between 700 Mhz and 2600 Mhz.

Based on Economic Times story

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