How fast hsdpa

The advantages of using an HSDPA network make it not only a viable option but also a necessary choice for many users. This makes it an appealing alternative for users seeking to replace their wired connection. There are routers that use the HSDPA network and allow users to plug their land line phones into the router.

This essentially enables the user to utilize the high quality digital network when making phone calls. Adrem Siratt. In truth, HSDPA is capable of reaching much higher speeds depending on the type of modulation that is being used.

Aside from increasing the existing data speed provided by WCDMA, HSDPA also improved the latency, or the time it takes between the moment the request is placed and the moment the requested data is received. Lower latencies are also good for people who use their connection to play online games, where high latencies result in lag.

Embedded Systems Connect your devices with versatile modules and powerful single-board computers designed for rapid deployment and scalability. A process called Incremental Redundancy IR is also used with the retransmissions.

This process adds additional parity bits in retransmissions to make the data retransmission more robust. With peak user data rates of around 10 Mbps and peak raw data rates of Additional channels: In order to be able to transport the data in the required fashion, and to provide the additional responsiveness of the system, additional channels have been added which are described in further detail below.

The robustness of the channel and its suitability to use QAM instead of QPSK is determined by analyzing information fed back about a variety of parameters. Improved scheduling: Further advances have been made in the area of scheduling. By moving more intelligence into the base station, data traffic scheduling can be achieved in a more dynamic fashion.

This enables variations arising from fast fading can be accommodated and the cell is even able to allocate much of the cell capacity for a short period of time to a particular user.

In this way the user is able to receive the data as fast as conditions allow. Fast HARQ: Fast HARQ hybrid automatic repeat request , has also been implemented along with multi-code operation and this eliminates the need for a variable spreading factor.