| Publisher | University of California | ||
|---|---|---|---|
| Format | 189.0KB PDF | Date added | 18 Mar 2009 |
| Topics | Bandwidth Issues, Mobile - Wireless Communications, TDMA - CDMA | ||
| Downloads | 39 | ||
For a fixed total bandwidth expansion factor, and for a fixed channel code rate, the authors' consider the problem of optimal bandwidth allocation between the source coder and the spread-spectrum unit for a multicarrier direct-sequence CDMA system operating over a frequency-selective fading channel with narrow-band interference. Assuming a Gaussian source with the optimum scalar quantizer and a binary convolutional code with soft-decision decoding, both a lower and an upper bound is obtained on the end-to-end average source distortion.
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