Speaking in an interview with Telephony Online, AT&T Mobility vice president of technology realization Scott McElroy said that the company is currently doubling download speeds on its existing HSPA network from 3.6 megabits per second to 7.2 Mb/s, then plans a subsequent jump to 21 MB/s by adopting the more advanced HSPA+ standard. McElroy added that the company is also adding HSPA carriers at many cellsites, “on a market-by-market…
