A scrambling initial value is shared without deteriorating transmission efficiency. On the transmission side, a scrambling initial value is created based on a part of a physical layer header not scrambled, a transmission signal sequence scrambled is created by calculating an exclusive-OR operation between...http://www.google.com.tw/patents/US20070121946?utm_source=gb-gplus-share專利 US20070121946 - Radio communication system, radio communication device, radio communication method, and computer program