- Category:
- Communication
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- File Size:
- 546kb
- Update:
- 2014-02-05
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- Uploaded by:
- roopali
Description: The 4g wireless uses Orthogonal Frequency Division Multiplexing (OFDM), Ultra Wide Radio Band (UWB), and Millimeter wireless. Data rate of 20mbps is employed. Mobile speed will be up to 200km/hr. The high performance is achieved by the use of long term channel prediction, in both time and frequency, scheduling among users and smart antennas combined with adaptive modulation and power control. Frequency band is 2-8 GHz. it gives the ability for world-wide roaming to access cell anywhere.
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4GG.docx
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