Wednesday, November 4, 2009

About WCDMA Standards

-Frequency Band is 5Mhz
- Spectrum 1920-1980 for Uplink and 2110 - 2170 Mhz for downlink
- Can proivde 144 and 384 kbps and 2Mbps in good conditions
- Uses OFDM : Makes Data Stream to several data streams each is modulated with orthogonal codes to each other (This makes the subcarries close to each other)
- Users are separated by frequency and codes

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