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AT&T Confirms Efforts to Double 3G Network Speeds

3giphone.jpg
In an interview with TelephonyOnline, AT&T vice president of technology realization Scott McElroy has confirmed that the carrier is currently performing a variety of upgrades on its 3G network that should combine to double capacity in the coming months.
McElroy stated that his team plans to upgrade “the downlink capacity on its high-speed packet access (HSPA) from 3.6 megabits per second to 7.2 Mb/s through software upgrades at the base station.”
Though McElroy didn’t provide a timetable for the upgrade, he said that AT&T is in the process of field certifying the faster network in two test markets, adding that AT&T plans to eventually migrate its 3G networks to evolved-HSPA (or HSPA+), which would increase top speeds threefold.
AT&T could then theoretically upgrade its HSPA network to 14.4 Mb/s but is expected to forgo that option due to a technical problem and its ability to migrate directly to 21 Mb/s HSPA+, McElroy said. He told TelephonyOnline that AT&T will focus “on upgrades to the baseband, which will dramatically increase capacity without having to fiddle with the elements on the tower or in the core.”
McElroy also noted that AT&T is simultaneously upgrading its network backbone to handle the increased data traffic resulting from its network upgrades. He refused to reveal the exact extent of those upgrades.
Sources close to the story say Apple has set a strict deadline that asks AT&T to complete the upgrade, quality test it, and have it ready to go live no later than May 31st. The third-generation iPhone is expected to be unveiled a few weeks later.
Meanwhile, McElroy says AT&T is also looking further ahead, selecting vendors for its 4G (or long-term evolution (LTE)) network expected to go live in test markets by 2010 ahead of widespread commercial availability the following year.
The carrier will reportedly use both its 700 MHz and advanced wireless services (AWS) spectrum to facilitate the LTE launch, with other spectrums on reserve should 4G usage take off. It could also repurpose its 2G and 3G channels for LTE once users begin migrating off those channels to the 4th-gen network.


3giphone.jpg
In an interview with TelephonyOnline, AT&T vice president of technology realization Scott McElroy has confirmed that the carrier is currently performing a variety of upgrades on its 3G network that should combine to double capacity in the coming months.
McElroy stated that his team plans to upgrade “the downlink capacity on its high-speed packet access (HSPA) from 3.6 megabits per second to 7.2 Mb/s through software upgrades at the base station.”
Though McElroy didn’t provide a timetable for the upgrade, he said that AT&T is in the process of field certifying the faster network in two test markets, adding that AT&T plans to eventually migrate its 3G networks to evolved-HSPA (or HSPA+), which would increase top speeds threefold.
AT&T could then theoretically upgrade its HSPA network to 14.4 Mb/s but is expected to forgo that option due to a technical problem and its ability to migrate directly to 21 Mb/s HSPA+, McElroy said. He told TelephonyOnline that AT&T will focus “on upgrades to the baseband, which will dramatically increase capacity without having to fiddle with the elements on the tower or in the core.”
McElroy also noted that AT&T is simultaneously upgrading its network backbone to handle the increased data traffic resulting from its network upgrades. He refused to reveal the exact extent of those upgrades.
Sources close to the story say Apple has set a strict deadline that asks AT&T to complete the upgrade, quality test it, and have it ready to go live no later than May 31st. The third-generation iPhone is expected to be unveiled a few weeks later.
Meanwhile, McElroy says AT&T is also looking further ahead, selecting vendors for its 4G (or long-term evolution (LTE)) network expected to go live in test markets by 2010 ahead of widespread commercial availability the following year.
The carrier will reportedly use both its 700 MHz and advanced wireless services (AWS) spectrum to facilitate the LTE launch, with other spectrums on reserve should 4G usage take off. It could also repurpose its 2G and 3G channels for LTE once users begin migrating off those channels to the 4th-gen network.

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