For the reference - 3.6 is the real performance you get out of HSDPA after correcting for brainwash by whalesong.
While the total bandwidth is 7.2 the bandwidth you can get is a power of 2 fraction of the maximum. If there is at least one voice channel in use on the node-B (or any other node-B which sharing a soft handover with the current one) it will be 3.6. If there is any information transmitted between the mobile and the Node-B it will require a channel for itself and will immediately split the code tree in half. Again - 3.6. If the Node-B needs to tell the mobile to adjust its power - it will once again require a channel and will split the code tree in half. This may happen up to multiple times a second. 3.6 one more time. Paging - down to 3.6 again. And so on.
Nice seeing Samsung finally being honest. Now, it will be interesting to see what does it actually take to make the other usual suspects including the operators to start giving real numbers and not whalesong induced brainwash. This is especially valid for numbers for "multiple mobiles using data on the same Node-B at the same time". These are quite entertaining actually.
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3.6 is the correct number
For the reference - 3.6 is the real performance you get out of HSDPA after correcting for brainwash by whalesong.
While the total bandwidth is 7.2 the bandwidth you can get is a power of 2 fraction of the maximum. If there is at least one voice channel in use on the node-B (or any other node-B which sharing a soft handover with the current one) it will be 3.6. If there is any information transmitted between the mobile and the Node-B it will require a channel for itself and will immediately split the code tree in half. Again - 3.6. If the Node-B needs to tell the mobile to adjust its power - it will once again require a channel and will split the code tree in half. This may happen up to multiple times a second. 3.6 one more time. Paging - down to 3.6 again. And so on.
Nice seeing Samsung finally being honest. Now, it will be interesting to see what does it actually take to make the other usual suspects including the operators to start giving real numbers and not whalesong induced brainwash. This is especially valid for numbers for "multiple mobiles using data on the same Node-B at the same time". These are quite entertaining actually.