Pilot signal sequences with a low Peak-to-average ratio are generated by a method comprising the steps of providing a first signal sequence consisting of a first number, m, of signal elements and known to have a frequency spectrum with either identical or nearly identical non-zero amplitude values in...http://www.google.com/patents/US20060291431?utm_source=gb-gplus-sharePatent US20060291431 - Novel pilot sequences and structures with low peak-to-average power ratio