Log-likelihood Ratios for LDPC codes with pilot-symbol-assisted BPSK transmission over the noncoherent channel.
Elisa MoPooi Yuen KamPublished in: WCNC (2009)
Keyphrases
- log likelihood
- ldpc codes
- channel coding
- bit error rate
- rate allocation
- image transmission
- turbo codes
- orthogonal frequency division multiplexing
- channel capacity
- source coding
- channel conditions
- physical layer
- fading channels
- error correction
- information theoretic
- low density parity check
- wireless channels
- ofdm system
- bit errors
- forward error correction
- density estimation
- communication systems
- computer simulation
- additive white gaussian noise
- maximum likelihood
- em algorithm
- error resilient
- error propagation
- end to end
- bitstream
- video transmission
- multipath
- signal to noise ratio
- image compression
- scoring function
- message passing
- unequal error protection
- decoding algorithm
- estimation algorithm
- distributed video coding
- data transmission
- analytical model
- coding scheme
- rate distortion
- expectation maximization
- mutual information
- compressed images
- video coding
- bit rate
- multiple description