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目前3G网络建设初期在乡镇及以下的CDMA 1x EV-DO基站只开通有一条ABIS传输链路,当出现高流量EV-DO数据业务时,会造成CDMA 1x语音FFER指标恶化,甚至造成掉话。详细描述了针对该问题的排查处理过程及规避方法。
At present, the CDMA 1x EV-DO base station in towns and townships and below at the initial stage of 3G network is only equipped with an ABIS transmission link. When a high-traffic EV-DO data service occurs, the CDMA 1x voice FFER indicator may deteriorate or even cause a dropped call. Described in detail the troubleshooting process and avoid the problem.