Delucidazioni HSDPA+ ...??

[[-Mac-]]

Essendo il gestore Tre, non è poi cosi strano, dovresti provare in un orario con molto meno traffico.

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Cito Wikipedia per quel che concerne HSPA+:

Speeds[edit]

HSPA+ provides an evolution of High Speed Packet Access and provides data rates up to 168 Megabits per second (Mbit/s) to the mobile device (downlink) and 22 Mbit/s from the mobile device (uplink). Technically these are achieved through the use of a multiple-antenna technique known as MIMO (for "multiple-input and multiple-output") and higher order modulation (64QAM) or combining multiple cells into one with a technique known as Dual-Cell HSDPA.
The 168 Mbit/s and 22 Mbit/s represent theoretical peak speeds. The actual speed for a user will be lower. In general, HSPA+ offer higher bitrates only in very good radio conditions (very close to cell tower) or if the terminal and network both support either MIMO or Dual-Cell HSDPA, which effectively use two parallel transmit channels with different technical implementations.
The higher 168 Mbps speeds are achieved by using multiple carriers with Dual-Cell HSDPA and 4-way MIMO together simultaneously.[1][2]
The technology also delivers significant battery life improvements and dramatically quicker wake-from-idle time – delivering a true always-on connection. HSPA+ should not be confused with LTE, which uses a new air interface based on OFDMA technology. HSPA+ is an evolution of HSPA that upgrades the existing 3G network and provides a method for telecom operators to migrate towards 4G speeds without deploying a new radio interface. [3]

La spiegazione è chiara: la massima velocità si raggiunge SOLO se si rendono disponibili MIMO, Dual Cell HSDPA e vicinanza alla cella, più ovviamente il supporto di queste tecnologie da parte del dispositivo mobile che utilizzo. E' un po' come l'ADSL: il provider ti dice che hai 10 mega ma in realtà sono soltanto teorici.

Ciao,