As America struggles with the transition to proper 3G networks
, Japan continues to make strides towards the fourth generation of mobile phone networks. In field experiments, NTT DoCoMo
, the largest mobile phone operator in Japan, achieved an approximate 5Gbps downlink data rate. That beats previous tests by a factor of two, as DoCoMo managed to achieve 2.5Gbps over a year ago in December 2005. The increase in data rates appeared to be as simple as doubling the number of antennas -- the MIMO technology in use takes advantage of multiple antennas capable of transmitting signals independently: more antennas = more data -- and using a proprietary solution for receiving the signal. So, what are the prospects of the Japanese public getting their hands on a wireless standard that can download up to 640MB per second? Not great
, for the moment at least. DoCoMo is planning on releasing its specific findings regarding the technology at 3GSM in Spain: when they do, we'll know more. Until then, just try and keep the drool off the keyboard, ya hear?