Patent ID: 7620005

Claim:
An apparatus for a wireless communication system supporting Large Area Synchronized-Code Division Multiple Access (LAS-CDMA) transmissions, the transmissions using LS codes for spread-spectrum modulation, the apparatus comprising: means for determining a size of an interference free window (IFW); means for determining a plurality of subsets of LS codes, each subset comprising a number of LS codes as a function of the IFW; means for assigning a first of the plurality of subsets of LS codes to a first portion of the wireless communication system; means for assigning a second of the plurality of subsets of LS codes to a second portion of the wireless communication system; and means for identifying mobile stations within the first portion of the wireless communication system with LS codes from the first of the plurality of subsets; and means for identifying mobile stations within the second portion of the wireless communication system with LS codes from the second of the plurality of subsets.