Patent ID: 8130728
Filing Date: 2012-03-06
Classification: H04L

Abstract:
1. In a communications network providing WiMAX service, a method for transmitting coding descriptor information, wherein the coding descriptor information comprises downlink coding descriptor (DCD) information and uplink coding descriptor (UCD) information, the method comprising: dividing the coding descriptor information into a first set and a second set of coding descriptor information, wherein the first set comprises coding descriptor information that is used in initial ranging; determining a repetition frequency at which to periodically transmit the first set of coding descriptor information; periodically transmitting the first set of coding descriptor information at the determined repetition frequency; detecting a triggering event, wherein the triggering event comprises receipt of a message from an access terminal, and wherein the message comprises a ranging request, a handoff request, or a paging message; and in response to detecting the triggering event, transmitting the second set of coding descriptor information.