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    • 9. 发明公开
    • METHOD AND SYSTEM FOR TRANSMITTING COMMUNICATION SIGNAL
    • VERFAHREN UND SYSTEM ZURÜBERTRAGUNGVON KOMMUNIKATIONSSIGNALEN
    • EP2667521A1
    • 2013-11-27
    • EP12755512.6
    • 2012-03-09
    • Huawei Technologies Co., Ltd.
    • YAO, Guoqiang
    • H04B7/04H04W88/08
    • H04W72/0453H04B7/022H04B7/0825H04W88/085
    • Embodiments of the present invention disclose a method and a system for transmitting a communication signal, relates to the field of communications, and can improve receiving performance of a base station while enlarging coverage of the base station. The method of the present invention includes: receiving, by a baseband unit, main and diversity baseband uplink digital signals output by at least two radio remote units, where the at least two radio remote units are radio remote units to which different site addresses in a same cell correspond, one cell includes at least two radio remote units, and each radio remote unit corresponds to a different site address and at least one pair of main and diversity antennas, receives a radio signal through a corresponding main and diversity antenna, and outputs a main and diversity baseband uplink digital signal; performing combination calculation on the main and diversity baseband uplink digital signals output by the at least two radio remote units to obtain a combined baseband uplink digital signal; and performing baseband processing on the combined baseband uplink digital signal. The embodiments of the present invention are mainly applied to the process of mobile communication by a user on a high-speed railway.
    • 本发明的实施例公开了一种用于发送通信信号的方法和系统,涉及通信领域,并且可以在扩大基站的覆盖范围的同时提高基站的接收性能。 本发明的方法包括:由基带单元接收由至少两个无线电远程单元输出的主和分集基带上行链路数字信号,其中至少两个无线电远程单元是无线电远程单元,其中不同站点地址在 相同的小区对应,一个小区包括至少两个无线电远程单元,并且每个无线电远程单元对应于不同的站点地址,并且至少一对主和分集天线通过相应的主分集天线接收无线电信号,并且输出 主要和分集基带上行数字信号; 对由至少两个无线电远程单元输出的主基带上行数字信号和分集基带上行数字信号执行组合计算,以获得组合基带上行数字信号; 对组合的基带上行数字信号进行基带处理。 本发明的实施例主要应用于用户在高速铁路上的移动通信的过程。
    • 10. 发明公开
    • POWER SUPPLY CONTROL METHOD, APPARATUS AND SYSTEM
    • EP4020747A1
    • 2022-06-29
    • EP20854634.1
    • 2020-07-13
    • Huawei Technologies Co., Ltd.
    • LUO, BingFANG, LiangrenYAO, GuoqiangWAN, YundongLI, Jinfeng
    • H02J7/00
    • A backup power supply control method is disclosed, to obtain target power supplying duration of a battery, and determine average power consumption of a communication station (101) within a time period corresponding to the target power supplying duration. Further, a state of charge of the battery is obtained, and actual power supplying duration for the battery to supply power to the communication station (101) is determined based on the state of charge of the battery and the average power consumption. If the actual power supplying duration is less than the target power supplying duration, it indicates that the state of charge of the battery is not plenty and the battery cannot supply power to the communication station (101) within the entire time period corresponding to the target power supplying duration. Therefore, an operation mode of a communication device in the communication station (101) may be adjusted, to reduce the average power consumption of the communication station (101) within the time period corresponding to the target power supplying duration, so that actual power supplying duration for the battery to supply power to the communication station (101) whose average power consumption is reduced is greater than or equal to the target power supplying duration, so as to enable actual power supplying duration of the battery to meet a requirement during mains outage.