Patent ID: 8560696

Claim:
A network system, comprising: a processor; a memory coupled to the processor; and a communication device coupled to the processor to communicate wirelessly over multiple sub-channels in an orthogonal frequency division multiple access (OFDMA) wireless network, wherein the communication device is operable to: divide an information element into two or more logical resource units (LRUs) for transmission in a downlink signal to at least one mobile station, the information element comprising control information for the at least one mobile station that indicates which resources are allocated to the at least one mobile station, the information element being mapped onto at least one frequency block and at least one time slot of each of the two or more LRUs; and set an indication in a first part of the two or more LRUs to indicate that the information element will comprise two or more LRUs; wherein the indication indicates whether or not to perform concatenation of the two or more LRUs to retrieve a complete version of the information element; and wherein the control information comprises assignment information, hybrid Automatic Repeat Request (HARQ) feedback information, or power control information.