Japan launches high bandwidth sattelite

The Japanese have launched a rocket carrying a test technology that promises to deliver "super high-speed Internet" around the world.

The rocket carryed the WINDS satellite -- a joint project of the Japan Aerospace Exploration Agency (JAXA) and Mitsubishi Heavy Industries.

The technology is used with small dishes would connect to the Internet similar to other satellite options.

Satellite could offer speeds of up to 1.2 gigabytes per second, if this is true, it would be remarkable.  There are many factors related to using satellites as a connection technology problematic.  The most pronounced (depending on the network application of course) would be latency in sending & receiving packets.  This would make using voice over ip difficult.

Another major challenge in the use of satellites is air coverage.  Because a bird is constantly in high speed motion over the earth, they aren't able to receive signals from transponders which are on the opposite side of the globe.  Generally, this problem has been solved by launching a network of satellites and configuring their orbital path to ensure there is always at least a single satellite able to "see" the service coverage area the system is targeting.

Apparently, this system is said to be usable world-wide which could mean the Japanese will need to make a huge capital investment to build the birds necessary to ensure complete service area coverage.

Comments

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