Tokyo power quake-proofs its grid control system.
NTT DoCoMo Inc., Japan's largest mobile phone company, has successfully transmitted 2.5 Gb/s of packet data in a downlink to a vehicle moving at 20 km/hr. DoCoMo owed its success to using bandwidth more efficiently and partly to bumping up two key technologies: multiple-input, multiple-output (...
| הוצא לאור ב: | IEEE spectrum 43, 1 (2006). |
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| מחבר ראשי: | |
| פורמט: | Article |
| שפה: | English |
| נושאים: |