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近日，QUALCOMM公司宣布将与中国联通共同进行世界上首次GSM1x技术的试验。此次试验使中国联通在保留已有的GSM业务层和SIM卡用户特征的基础上，让其现有的GSM用户享受到增强的CDMA1x业务的好处，同时加速GSM/CDMA双频手机的商用推广。为了全面验证GSM1x在现有GSM网络上的技术?
Recently, QUALCOMM announced that it will jointly carry out the trial of the world’s first GSM1x technology with China Unicom. The trial enabled China Unicom to retain the existing characteristics of its GSM service layer and SIM card users and to extend its existing GSM subscribers to the benefits of enhanced CDMA1x services while accelerating the commercial promotion of GSM / CDMA dual-band handsets . In order to fully verify the GSM1x technology in the existing GSM network?