Abstract
The paper combines distributed source coding and compressive sampling for efficient spectrum estimation. Two or more cognitive radios sample the spectrum compressively and independently compress their observations using multiterminal source coding. A central hub collects compressed streams from these radios before performing joint multiterminal source decoding followed by iterative signal reconstruction. Simulation results are provided for two radios performing practical multiterminal source coding with uniform scalar quantization and systematic turbo codes for Slepian-Wolf coding and error protection.
| Original language | English |
|---|---|
| Pages (from-to) | 501-504 |
| Number of pages | 3 |
| Journal | IEEE Signal Processing Letters |
| Volume | 16 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 2009 |
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Keywords
- cognitive radio
- iterative methods
- signal reconstruction
- source coding
- turbo codes