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On QAM Speech Transmission Schemes for Microcellular Mobile PCNs
1993
Transactions on Emerging Telecommunications Technologies
On the way towards third generation personal communication networks (PCN) the deployment of 16-level quadrature amplitude nlodulation ( Q A W schemes is investigated via flat microcellular Rayleiph-fading mobile radio channels having mild co-channel interference with and without diversity. Our proposed differentially coded non-coherent 16-QAM scheme requires no pilot symbol assistance. no automatic gain control (AGC) and no carrier recovery. High speech quality associated with a mean opinion
doi:10.1002/ett.4460040504
fatcat:3qswqxpiubel3gv4hrlhttc73e