A modulation format identification device capable of realizing a practical receiver capable of identifying a modulation format of a received signal irrespective of its modulation format by a simple configuration, wherein provision is made of a phase lock detector group having a plurality of detectors...http://www.google.com/patents/US6804309?utm_source=gb-gplus-sharePatent US6804309 - Modulation format identification device and method of same
Modulation format identification device and method of same