I came across this patent app on SDR from
freshpatents.com (a relatively new patent monitoring website).
The comments say it is based on a chinese patent
which might explain the why the word "multi" appears to be
misspelled in the title. It seems a bit far reaching.
20050027789 - Method for milti-standard software defined radio base-band processing
A method for multi-standard Software defined radio (SDR) base-band processing is provided. The method comprises the steps of: constituting SDR software framework, which includes SDR kernel structure, SDR software modules, other application parts and an operating system; extracting protocol software modules of different standards and reclassifying them as dedicated system ... 02/03/2005