Joint Activity Detection and Channel Estimation for IoT Networks: Phase Transition and Computation-Estimation Tradeoff.
Tao JiangYuanming ShiJun ZhangKhaled Ben LetaiefPublished in: IEEE Internet Things J. (2019)
Keyphrases
- phase transition
- activity detection
- channel estimation
- estimation algorithm
- constraint satisfaction
- communication systems
- np complete
- multipath
- ofdm system
- cellular automata
- social networks
- computational complexity
- sequence matching
- computer networks
- fading channels
- maximum likelihood
- network structure
- bit error rate
- random instances
- end to end
- constraint satisfaction problems
- computationally efficient