A Partial Gaussian Tree Approximation (PGTA) Detector for Random Multiple Access Oriented SCMA Uplink With Codebook Collisions.
Qiwei WangGuangliang RenPublished in: IEEE Trans. Wirel. Commun. (2021)
Keyphrases
- multiple access
- code division multiple access
- communication systems
- vector quantization
- gaussian convolution
- wireless communication
- linear computational complexity
- multi user
- tree structure
- series expansion
- taylor series expansion
- maximum likelihood
- tree structured vector quantization
- feature vectors
- bag of words
- frequency hopping
- computer systems
- heavy tailed
- virtual environment
- image representation
- information systems
- generalized likelihood ratio