Retransmission packet capture system within a wireless multiserv

Details Retransmission packet capture system within a wireless multiserv Retransmission packet capture system within a wireless multiserv

1997-09-04

2000-11-07

Baker, Stephen M.

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

714795, 714796, H03M 1341, H04L 116

Patent

active

061451088

ABSTRACT:
A "hybrid" ARQ system within a multiple access wireless communications environment is provided for-recombining ARQ retransmission signals with information obtained from corresponding previously failed transmissions of the same signal which had been sent and received within the air interface. Forward Error Correction (FEC) is implemented within an ARQ environment by using whatever acquired information has been previously obtained from RAKE processed transmitted and retransmitted signals and trying to correct the information by combining the signals and without retransmission.

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patent: 5764687 (1998-06-01), Easton
Benelli, G., "Some ARQ Protocols with Finite Receiver Buffer", IEEE Transactions on Communications, vol. 41, No. 4, Apr. 1993, pp. 513-523.
Lee, I. et al., "A Study on the Performance Analysis of Error Control Algorithms in Digital Cellular DS/CDMA Systems", ICC '94, pp. 908-912, Dec. 1994.
Souissi, S. et al., "A Diversity Combining DS? CDMA System with Convolutional Encoding and Viterbi Decoding", IEEE Transactions on Vehicular Technology, vol. 44, No. 2, May 1995, pp. 304-312.
Zhao, H. et al., "A Hybrid ARQ Scheme for DS/CDMA Mobile Data Communications", Dec. 1996 Universal Personal Communications Conf., pp. 71-75.

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