A method for controlling operation modes of a medium access control layer by a mobile subscriber station in a broadband wireless access communication system including the mobile subscriber station and a serving base station providing service to the mobile subscriber station is provided. The method includes...http://www.google.com/patents/US7039430?utm_source=gb-gplus-sharePatent US7039430 - System and method for controlling an operational mode of a MAC layer in a broadband wireless access communication system
