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  中新社北京7月29日电 进入主汛期,中国多地防汛抗洪工作进入关键阶段。在各地抢险救灾和通信保障中,电信运营商应用抢险无人机、便携式卫星背包站、AI防汛大模型等高科技设备与工具,全力保障通信网络畅通。

  河北24日以来的特大暴雨引发停电和基站故障,其中不少涉水通信线路损毁,无人机跨河运送电缆成为抢修的重要方式。

  在易水河边,河北联通的抢修人员采用无人机进行吊线作业,将一条长80米的主线缆拉到河对岸去。无人机操作手就这样全天穿梭于各个需要吊线作业的点位。

  在“看不见”的防汛一线,河北联通借助AI、5G、数字孪生技术,基于联通大数据分析能力,构建了风险区人员动态分析框架及多类业务模型,实现了从“被动应急”向“主动防控”的转变。

  28日,在抢修北京市密云区石城镇黄峪口村通信设备时,中国电信抢修队队员背负30公斤的Ka便携卫星背包站、天通猫、卫星电话等关键通信设备,从泥泞的山路跋涉2小时进入黄峪口村,迅速调通卫星通信信号,焦急等待的村民第一时间与外界亲人取得联系。

  据媒体报道,截至目前,北京密云、怀柔、延庆、平谷四区460余个受损基站已抢通。

  29日,中国移动宣布为北京用户提供为期一个月的免费北斗短信服务,可在户外无网络信号时通过支持北斗短信功能的手机收发应急短信,帮助用户在紧急时刻与家人报平安。(完)

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