Swedish network equipment maker Ericsson today reported a three-fold jump in net profit to 4.1 billion Swedish kronor ($672 million) for the quarter ending March 31, 2011, boosted by strong demand for mobile broadband. In the year-ago period, the entity had a net profit of 1.3 billion kronor, Ericsson said in a statement.

The company attributed the robust earnings to rising demand for network infrastructure, such as radio base stations as well as increasing demand for mobile broadband devices. Sales in the company's network equipment business surged 35 per cent year-on-year, buoyed by robust growth in mobile broadband devices in countries such as the US, India, Japan, South Korea and Russia.

However, the group warned that its supply chain could be affected due to problems related to the Japan earthquake.

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