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记者王鹏报道金秋十月,北京电信长城CDMA 820兆移动通信系统开始了试运营。据北京电信发展总公司CDMA办公室的人士介绍,CDMA蜂窝移动通信系统在相同频段下,容量是模拟系统的10倍,是GSM系统的4倍;同时系统基站覆盖范围广、盲区小、抗干扰性和穿透性强;系统可实行无缝切换,免除用户通话过程中的掉线现象。CDMA是继模拟、GSM之后性能更先进的蜂窝移动通信技术,CDMA网的试运营,
Reporter Wang Peng reported the fall of October, Beijing Telecom Great Wall CDMA 820 trillion mobile communications system began trial operation. According to Beijing Telecom Development Corporation CDMA Office, CDMA cellular mobile communication system in the same frequency band, the capacity is 10 times the simulation system is 4 times the GSM system; at the same time the system base station coverage, blind spot small, anti-interference And penetrating; the system can be seamlessly switched, eliminating the call dropped during the user phenomenon. CDMA is the second most advanced cellular mobile communication technology after CDMA, GSM trial operation,