A method and apparatus for code multiplexing one or more control signals onto a shared control channel. According to the present invention, a control signal for transmission from a base station to a mobile station terminal is repeated in each slot of a predetermined time interval. The control signal...http://www.google.com.au/patents/US7689178?utm_source=gb-gplus-sharePatent US7689178 - Method and apparatus for spreading sequence hopping in code-multiplexed control channels
