Signal processing methods and systems

Details Signal processing methods and systems Signal processing methods and systems

H - Electricity

03

M

H03M 13/27 (2006.01) H04B 7/005 (2006.01) H04L 12/56 (2006.01) H04M 11/06 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2506641

Signal processing systems and methods, illustratively for communication signals such as video communication signals, are provided. Adaptive interleaving systems and methods enable interleaving of information using different interleaving lengths. Encryption may also be combined with interleaving to control the position of information in an interleaved information stream. Corresponding de-interleaving and decryption systems and methods are also provided. An up-sampler and up-sampling method are provided for concealing errors in information. A new software defined radio architecture and associated methods, and software analysis techniques, are also disclosed. A communication system and management method integrate several of the above aspects for adapting communication operating characteristics to changing environments.

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