Patent ID: 7664071

Claim:
A method for assigning at least a unique word from a cell station that is operating an SDMA (Spatial Division Multiple Access) communication process, the method comprising: receiving broadcasted unique words that are broadcasted by a plurality of other cell stations, the broadcasted unique words being likely to be used by the plurality of other cell stations; identifying, among the plurality of other cell stations, cell stations in adjacent cells that are adjacent to a cell associated with the cell station; discovering a set of likely-used unique words that are likely to be used by the cell stations in the adjacent cells, the set of likely-used unique words being a subset of the broadcasted unique words, where the discovering comprises receiving at least some of the likely-used unique words in a message, wherein the message includes information indicating the message is from a cell station in an adjacent cell; comparing the discovered set of likely-used unique words to a set of available unique words, where the comparing includes determining a level of cross correlation between each unique word in the set of discovered likely-used unique words and each unique words in the set of available unique words; adjusting, responsive to the comparison, priority of unique words in the set of available unique words, where the adjusting includes setting unique words with lower cross correlation effects to a higher priority; selecting a high priority unique word from the set of available unique words; generating an assignment message including the high priority unique word; and assigning, according to the adjusted priority, unique words from the set of available unique words to multiple mobile devices.