Achievable rates for the AWGN channel with multiple parallel relays

  title={Achievable rates for the AWGN channel with multiple parallel relays},
  author={Aitor del Coso and Christian Ibars},
  journal={IEEE Transactions on Wireless Communications},
Relaying is a key technology to increase capacity in wireless networks. In this paper, the point-to-point AWGN channel with N parallel relays and time-invariant, frequency-flat fading is studied. For it, we derive achievable rates with four coding techniques, namely: decode-and-forward, partial decode-and-forward, compress-and-forward and linear relaying. The first two are based on signal regeneration at the relay nodes and aim at mimicking a transmit antenna array. We study their scaling law… CONTINUE READING
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