Review: Proporta TurboCharger 5000 – External Emergency Charger Battery Pack
AT&T and T-Mobile announced major upgrades to their 3G networks Tuesday that eventually should help both carriers overcome problems arising from heavy data demands by smartphone subscribers. AT&T said it has completed the deployment of software upgrades to all its 3G cell-tower sites as the first step in its rollout of High-Speed Packet Access 7.2 (HSPA+) technology. T-Mobile said Tuesday that HSPA+ is now enabled across the wireless carrier’s entire 3G network. A spokesperson also noted that the best thing about the upgrade is that it is “backward compatible, so that T-Mobile’s 3G-enabled devices will be faster in 2010.” Boosting Backhaul Connections However,wireless carriers migrating to HSPA+ — and eventually to LTE — must do more than simply implement base-station upgrades, noted Gartner Research Director Akshay Sharma. The other needed changes include “backhaul upgrades from the base stations to the core network,” Sharma explained. “And the old GGSN and MSC switches in the core will need to be upgraded to the Evolved Packet Core (EPC) and IMS.” T-Mobile said it’s continuing to increase its backhaul capacity “in line with its network upgrades” to support the faster speeds offered by HSPA+. So far, however, the wireless carrier has refrained from releasing any timing details or the specific numbers of cell sites involved. AT&T said its recently completed nationwide software upgrade should improve the level of consistency that 3G network users experience when accessing data sessions. On the other hand, the network operator noted that achieving faster speeds and increased network efficiency will also require the addition of enhanced cell-site connections over the next two years. AT&T said it intends to dramatically increase the number of backhaul connections primarily through the addition of high-speed fiber-optic links. It said the initial deployments of backhaul capacity to support HSPA+ are already under way in Charlotte, Chicago, Dallas, Houston, Los…
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