苹果iOS 27.2为AI生成和编辑的图像添加隐形水印
苹果iOS 27.2为AI生成和编辑的图像添加隐形水印中国电信获专利，用分区网格缩小无线通信波束搜索范围
11月6日，中国电信（601728）的发明专利《波束搜索方法、系统及电子设备》获授权，申请号为CN202310754056.5。
在超大规模多输入多输出通信中，如果把大量候选波束配对一一试遍，搜索过程会占用建立连接的时间。专利围绕终端射频链路在网格中接收基站参考信号，再据此选定目标网格点及对应波束。方案把找出合适通信方向的问题转化为分区域测量和选择，目标是减少遍历比较带来的时延。
截至此次授权消息披露时，中国电信今年获得的各类专利授权共1443项，比上年同期增加23.12%。在2026年上半年，公司研发投入为52.08亿元，同比增长8.9%。企业知识产权记录中，中国电信股份有限公司名下可查到20282条专利信息和7531条著作权信息。
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