ÖØÇìÓʵç´óѧ£¬¼ò³ÆÖØÓÊ£¬Êǹú¼ÒÉèÁ¢µÄ4ËùÓʵç¸ßУ֮һ£¬ÒàÊǹ¤ÐŲ¿ÓëÖØÇìÊÐÖ¸¶¨Öصã¸ßУ£¬³õÃûÖØÇìÓʵçѧԺ£¬¹úÄÚͨÐÅÁìÓò¹«ÈϵÄÒ»Á÷´óѧ֮һ£¬²¢ÔÚ¹ú¼ÊµçÐÅÁªÃË£¨ITU£©ºÍÃÀ¹úµçÆøºÍµç×Ó¹¤³ÌʦУ¨IEEE£©ÄÚÏíÓÐÒ»¶¨µÄÖªÃû¶È£¬Í¬Ê±ÖØÇìÓʵç´óѧҲÊÇ3Gpp×éÖ¯µÄÖ÷ÒªºÏ×÷³ÉÔ±¡£ÖØÇìÓʵç´óÑ§ÔøÔÚ1978Ä꿪·¢³öµÚÒ»¸ö·ûºÏ¹ú¼Ê±ê×¼µÄÂö³å±àÂëͨÐÅÉ豸¶ø±»³ÆÎªÖйú¡°Êý×ÖͨÐÅ·¢Ô´µØ¡±£¬2003ÄêÆðÏȺóÍê³ÉÁËTD-SCDMAͨÐÅϵͳÖÐͨÐÅÐÒ鶍֯¡¢ÐÒé³ÐÔØÐ¾Æ¬Ñз¢£¬ÏÖΪ¹úÄÚµÚËÄ´úÒÆ¶¯Í¨Ðż¼ÊõµÄÖ÷ÒªÑз¢ÕßÖ®Ò»¡£ÖØÓÊÔÚ¹úÄÚÏíÓС°3GÖ®¸¸¡±µÄÃÀ³Æ¡£