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Carrier-phase and frequency-estimation bounds for transmissions with embedded reference symbols
IEEE Transactions on Communications
The true Cramér-Rao lower bound (CRLB) for the joint estimation of carrier phase and frequency is derived for transmission bursts with interleaved reference and phase-shift keying/quadrature amplitude modulated data symbols. Results are presented for the special cases of midamble, and preamble and postamble, pilot-symbol insertion. The derivation reveals that the CRLB is a function of the location of the reference symbols in the burst, the number of reference symbols, the number of datadoi:10.1109/tcomm.2005.863782 fatcat:s4cftm6zyfbttjkwf5gahnlhta