Abstract
A method is proposed to improve the performance of MC-2D-CDMA in frequency selective fading channel. Each chip of spreading spectrum sequence is contained in two sub-carriers, so when fading is deep in one sub-carrier, the other will compensate and the performance of this model is improved in frequency selective channel. Orthogonal restore combination (ORC) is used to explain the method. Computer simulation is used to exam the relation of signal noise ratio (SNR) and probability of bit error (BER), and the number of subscribers and BER. Then performance is compared among MC-2D-CDMA, MC-DS-CDMA and MC-CDMA.
| Original language | English |
|---|---|
| Pages (from-to) | 397-400 |
| Number of pages | 4 |
| Journal | Journal of Harbin Institute of Technology (New Series) |
| Volume | 9 |
| Issue number | 4 |
| State | Published - Dec 2002 |
Keywords
- CDMA
- Future mobile communication system
- MC-2D-CDMA
- Multi-carrier CDMA
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