Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2007-03-27
2007-03-27
Decady, Albert (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S752000, C375S262000, C375S341000
Reexamination Certificate
active
10890717
ABSTRACT:
Techniques for performing erasure detection and power control for a transmission without error detection coding are described. For erasure detection, a transmitter transmits codewords via a wireless channel. A receiver computes a metric for each received codeword, compares the computed metric against an erasure threshold, and declares the received codeword to be “erased” or “non-erased”. The receiver dynamically adjusts the erasure threshold based on received known codewords to achieve a target level of performance. For power control, an inner loop adjusts the transmit power to maintain a received signal quality (SNR) at a target SNR. An outer loop adjusts the target SNR based on the status of received codewords (erased or non-erased) to achieve a target erasure rate. A third loop adjusts the erasure threshold based on the status of received known codewords (“good”, “bad”, or erased) to achieve a target conditional error rate.
REFERENCES:
patent: 5406613 (1995-04-01), Peponides et al.
patent: 5815507 (1998-09-01), Vinggaard et al.
patent: 6012160 (2000-01-01), Dent
patent: 6154659 (2000-11-01), Jalali et al.
patent: 6181738 (2001-01-01), Chheda et al.
patent: 6208699 (2001-03-01), Chen et al.
patent: 6446236 (2002-09-01), McEwen et al.
patent: 6560774 (2003-05-01), Gordon et al.
patent: 6721373 (2004-04-01), Frenkel et al.
patent: 0120808 (2001-03-01), None
Agrawal Avneesh
Julian David Jonathan
Sutivong Arak
Abraham Esaw
De'cady Albert
Minhas Sandip (Micky) S.
Patel Milan I.
Rouse Thomas R.
LandOfFree
Robust erasure detection and erasure-rate-based closed loop... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Robust erasure detection and erasure-rate-based closed loop..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robust erasure detection and erasure-rate-based closed loop... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3761033