A method, system, and apparatus for interrogating a radio frequency identification (RFID) tag population are described. Tags are interrogated by a reader. The reader and tags engage in communication according to binary traversal algorithms, where single bit data symbols are exchanged between the reader...http://www.google.de/patents/US7075436?utm_source=gb-gplus-sharePatent US7075436 - Method, system, and apparatus for binary traversal of a tag population
