Method for estimating the bit error rate in a radio receiver...

Pulse or digital communications – Receivers – Particular pulse demodulator or detector

Reexamination Certificate

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Reexamination Certificate

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06954507

ABSTRACT:
In a radio receiver, an equalizer generates reliability information in the form of soft decision information indicating probabilities that a data symbol received by the radio receiver is based on a specific transmitted value. A bit error rate estimator obtains bit error rate information regarding the bit error rate of the received signal, corresponding to the received data symbols, by evaluating the reliability information.

REFERENCES:
patent: 5119400 (1992-06-01), Koch
patent: 5684836 (1997-11-01), Nagayasu et al.
patent: 39 10 739 (1990-10-01), None
patent: WO 98/07240 (1998-02-01), None
“Optimum and Sub-Optimum Detection of Coded Data Disturbed by Time-Varying Intersymbol Interference”, Wolfgang Koch and Alfred Baier, 1990 IEEE, 1679-1684.
John G. Proakis: “Digital Communications”,McGraw Hill, Boston, 4thed., Aug. 2000, pp. 247-251, 482-485, 604-607, and 680-682.
Wolfgang Koch et al.: “Optimum And Sub-Optimum Detection of Coded Data Disturbed By Time-Varying Intersymbol Interference”, Globecom '90, IEEE Global Telecommunications Conference & Exhibition, San Diego, Ca, Dec. 2-5, 1990, pp. 1679-1684.
Kazuyuki Kaneda et al.: “Multilevel Coding for Impulsive Noise”, and English translation of relevant parts,Technical Report, vol. 90, No. 126, Jul. 14, 1990, pp. 35-40, The Institute of Electronics, Information and Communication Engineers, Japan.
Masato Tajima et al.: “Bidirectional Viterbi Decoding Algorithm With Soft-Outputs”, and English translation of relevant parts,Technical Report of IEICE, IT96-80, Mar. 1997, pp. 115-120, The Institute of Electronics, Information and Communication Engineers, Japan.

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