Those networks use a faster technology called Long Term Evolution, or LTE.
To deliver mobile broadband with 4G equipment using a technology called Long Term Evolution, or L.T.E., an operator needs at least 20 megahertz of bandwidth.
Under the pact, Alcatel Lucent will upgrade the operator's third-generation wireless network and build a faster network based on a technology called Long Term Evolution.
Mr. Chlapowski, who has acknowledged earning 3.2 million Swiss francs ($2.2 million) in a secretive investment fund called Long Term Strategy, was replaced by Rolf Dörig.
The firm is backing a long-term project called Long Term Evolution, which is more similar to existing mobile phone standards.For now, though, the biggest question is what will happen at Alcatel-Lucent.
As European operators prepare to install the networks, which use a technology called Long Term Evolution, or L.T.E., they are fighting to keep fees for connecting calls to other operators.
On Wednesday, AT&T, the largest mobile operator in the United States, named Alcatel-Lucent and Ericsson as its two main suppliers for the next generation of wireless network gear, using what is called Long Term Evolution technology.
Besides reaffirming the soundness of the operator's investment in the new technology, called Long Term Evolution, or L.T.E., the data smorgasbord confirmed another truism: the days of flat-rate mobile data rates are probably drawing to a close.
Still, it can seem strange to see TV ads for an Atlanta company called Long Term Short Term, which offers two-day investment seminars, as well as DVDs, CDs and online tutoring, in cities across the country.
But the most acute of Swiss Life's problems at the moment is the growing scandal surrounding an investment fund called Long Term Strategy, which the company quietly set up to benefit some of its top executives.
Both AT&T and Verizon say that their 3G networks are priming them for a more advanced fourth-generation technology, called Long Term Evolution.
