The AP maintains information for each of its clients, including whether the client is in an awake or doze state and the...http://www.google.com/patents/US7433329?utm_source=gb-gplus-sharePatent US7433329 - Aggregation schedulerAdvanced Patent SearchPublication numberUS7433329 B2Publication typeGrantApplication numberUS 11/189,385Publication dateOct 7, 2008Filing dateJul 26, 2005Priority dateApr 7,