The fifth European workshop on GNSS signals and signal processing, GNSS Signals 2011, is seeking papers. The workshop will be held December 8-9, 2011, at L Ecole Nationale de l Aviation Civile (ENAC), in Toulouse, France. The focus of the workshop is on GNSS signal design and signal processing-The fifth European workshop on GNSS signals and signal processing, GNSS Signals 2011, is seeking papers. The workshop will be held December 8-9, 2011, at L' Ecole Nationale de l' Aviation Civile (ENAC), in Toulouse, France. The focus of the workshop is on GNSS signal design and signal processing