Provides achievability bounds for random access over Rayleigh fading and shows that a practical sparse-graph code with alternating BP decoder performs close to the bounds, with a phase transition enabling perfect interference cancellation below certain spectral efficiencies.
The optimal received power dist ribution for ic-based iterative multiuser joint decoders,
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Energy efficient coded random access for the wireless uplink
Provides achievability bounds for random access over Rayleigh fading and shows that a practical sparse-graph code with alternating BP decoder performs close to the bounds, with a phase transition enabling perfect interference cancellation below certain spectral efficiencies.