Abstract
We develop a new differential amplify-and-forward (DAF) scheme for cooperative wireless relay when the channel state information (CSI) is unknown to any node in the system. For a cooperative system with one source, one relay and one destination node, we derive closed-form expressions of the probability density function (PDF) of the signal-to-noise ratio (SNR) and the average bit error rate (BER) for the proposed DAF scheme. Our analytical results are validated by numerical simulations. The proposed DAF scheme offers cooperative diversity gain and outperforms the conventional non-cooperative differential binary phase shift keying (BPSK) in Rayleigh fading channels.
| Original language | English |
|---|---|
| Pages (from-to) | 1198-1202 |
| Number of pages | 5 |
| Journal | Conference Record - Asilomar Conference on Signals, Systems and Computers |
| Volume | 1 |
| State | Published - 2004 |
| Event | Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States Duration: Nov 7 2004 → Nov 10 2004 |
ASJC Scopus subject areas
- Signal Processing
- Computer Networks and Communications
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