Encoding apparatus and method in CDMA communication system

Details Encoding apparatus and method in CDMA communication system Encoding apparatus and method in CDMA communication system

2006-06-20

2006-06-20

Decady, Albert (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07065700

ABSTRACT:
There is provided an encoding apparatus and method in a CDMA communication system. To encode input information of a k-bit sequence and generate a codeword with length N>(2k−1), an encoder encodes the input information using an (r, k) simplex code and generates a sequence of code symbols of length r (r=2k−1), a repeater repeats the sequence of code symbols t times(t=⌊Nr⌋+1),and a puncturer performs puncturing A times (A=rt−N) on the t repeated code symbol sequences so that the resulting codes have length N. The punctured symbols are distributed uniformly across the repeated code symbol sequences or confined to the tthrepeated code symbol sequence.

REFERENCES:
patent: 5657325 (1997-08-01), Lou et al.
patent: 5691992 (1997-11-01), Molnar et al.
patent: 6170076 (2001-01-01), Kim
patent: 6385752 (2002-05-01), Li
patent: 6460159 (2002-10-01), Kim et al.
patent: 6587446 (2003-07-01), Sarkar et al.
patent: 6604216 (2003-08-01), Javerbring et al.
patent: 6614850 (2003-09-01), Razoumov et al.
patent: 6621873 (2003-09-01), Kim et al.
patent: 6671851 (2003-12-01), Moulsley
patent: 6732316 (2004-05-01), Tong et al.
patent: 2002/0003813 (2002-01-01), Marko
patent: 2003/0012372 (2003-01-01), Cheng
patent: WO 97/40593 (1997-10-01), None
patent: WO 99/48227 (1999-09-01), None
“An Updated Table of Minimum-Distance Bounds for Binary Linear Codes”, A.E.Brouwer and T IEEE Transactions on Information Theory, vol. 39, No. 2, pp. 662-667, Mar. 1993.
European Search Report dated Apr. 15, 2003, issued in a counterpart application, namely, Appln. No. 01917887.0.
3GPP: 3rdGeneration Partnership Project; Technical Specification Group Radio Access Network: Multiplexing and Channel Coding, Dec. 1999, pp. 1-52.
F.J. MacWilliams et al., The Theory of Error-Correcting Codes, Chapter 1, pp. 6-15.
3rdGeneration Partnership Project: Technical Specification Group Group Radio Access Network; Multiplexing and Channel Coding (FDD), Dec. 1999, pp. 39-43.
CDMA Systems and Next-Generation Mobile Communication Systems, Jun. 1, 1996.
Calderbank, “The Art of Signaling: Fifty Years of Coding Theory”, IEEE Transactions on Information Theory, vol. 44, No. 6, Oct. 1998, pp. 2561-2562.
Jones, “Using Simplex Codes to Improve OTDR Sensitivity”, IEEE Photonics Technology Letters, vol. 15, No. 7, Jul. 1993, pp. 822-824.
Song et al., “Some New Construction for Simplex Codes”, IEEE Transactions of Information Theory, vol. 40, No. 2, Mar. 1994, pp. 504-507.

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