Principles of mobile communication (2nd ed.)
Principles of mobile communication (2nd ed.)
Microwave Mobile Communications
Microwave Mobile Communications
Multi-input multi-output fading channel tracking and equalizationusing Kalman estimation
IEEE Transactions on Signal Processing
A factor graph approach to iterative channel estimation and LDPC decoding over fading channels
IEEE Transactions on Wireless Communications
IEEE Transactions on Wireless Communications
Belief Propagation over SISO/MIMO Frequency Selective Fading Channels
IEEE Transactions on Wireless Communications
Simplified Soft-Output Detection of CPM Signals Over Coherent and Phase Noise Channels
IEEE Transactions on Wireless Communications
Factor graphs and the sum-product algorithm
IEEE Transactions on Information Theory
Unified design of iterative receivers using factor graphs
IEEE Transactions on Information Theory
Constructing free-energy approximations and generalized belief propagation algorithms
IEEE Transactions on Information Theory
IEEE Journal on Selected Areas in Communications
Joint iterative channel estimation and decoding in flat correlated Rayleigh fading
IEEE Journal on Selected Areas in Communications
Algorithms for iterative decoding in the presence of strong phase noise
IEEE Journal on Selected Areas in Communications
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We use the sum-product algorithm (SPA) to propose a reduced-complexity detector for serially concatenated continuous phase modulated (SCCPM) signals with noisy channel state information (CSI) at the receiver. Two channel effects - phase noise (PN) and flat fading - are tackled using the statistical model and associated factor graph (FG) of the problem. Although optimal performance is not assured due to the loopy nature of the FG, as well as simplifying assumptions made in the algorithm development, simulations show that very significant performance gains are possible, and the gap between systems with noiseless and noisy CSI can be reduced to about 1 dB using the proposed methods. The increase in complexity compared to the conventional decoder, which treats CSI estimates as if they were equal to their true values, is small.