Methods and apparatus for coding scheme of Physical control Channel IN CDMA MOBILE COMMUNICATION SYSTEM

PURPOSE: A coding apparatus and method for a physical control channel in a CDMA mobile communication system are provided to generate a coding symbol with an optimum coding performance according to length of CQI(Channel Quality Indicator) information when the CQI information is coded. CONSTITUTION: It is judged whether to generate a CQI code word or a TFCI code word(1201). If the CQI code word is determined to be generated, a puncture format to be used for generation of the CQI code word according to CQI information bit length information is determined(1202). CQI code symbols with a length of 32 are generated by using the CQI information bit and (32,5) second order Reed-Muller code(1203). The coding symbols are punctured according to a determined puncturing format(1204). The punctured CQI code symbols are outputted as a CQI code word(1205). If the TFCI code word is determined to be generated, TFCI coding symbols are generated through (32,5) second order Reed-Muller code according to TFCI information bit(1211) and a TFCI code word is generated(1213).