Massive Random Access With Sporadic Short Packets: Joint Active User Detection and Channel Estimation via Sequential Message Passing.
Jia-Cheng JiangHui-Ming WangPublished in: IEEE Trans. Wirel. Commun. (2021)
Keyphrases
- message passing
- random access
- channel estimation
- belief propagation
- active user
- distributed systems
- multipath
- shared memory
- markov random field
- communication systems
- ofdm system
- graphical models
- multiscale
- graph cuts
- collaborative filtering
- wireless sensor networks
- recommender systems
- maximum likelihood
- estimation algorithm
- application layer
- image sequences