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    • 2. 发明公开
    • BLOOD OXYGEN DETECTION METHOD AND DEVICE
    • EP3915476A1
    • 2021-12-01
    • EP20770434.7
    • 2020-03-05
    • Huawei Technologies Co., Ltd.
    • LI, YueLI, YanYANG, BinLI, JingZHOU, Linfeng
    • A61B5/1455
    • Embodiments of this application relate to a blood oxygen detection method, including: obtaining at least two red light signals, at least two infrared signals, and a green light signal; determining red light direct current data and a component signal of a red light alternating current signal based on the at least two red light signals; determining infrared direct current data and a component signal of an infrared alternating current signal based on the at least two infrared signals, where the component signal includes an arterial signal; determining red light alternating current data based on the component signal of the red light alternating current signal and the green light signal; determining infrared alternating current data based on the component signal of the infrared alternating current signal and the green light signal; and determining blood oxygen saturation based on the red light direct current data, the red light alternating current data, the infrared direct current data, and the infrared alternating current data. Information is collected by using a plurality of measurement points, then collected alternating current information is separated by using an independent component analysis algorithm, and denoising is performed by using the green light signal, so that interference caused by venous blood flows, capillaries, and the like can be eliminated, a disadvantage of a low signal-to-noise ratio is made up, and accuracy of a blood oxygen measurement on a wrist is increased.
    • 5. 发明公开
    • UPLINK DATA RECEPTION METHOD AND APPARATUS FOR WIRELESS TRANSCEIVING DEVICE
    • UPLINK-DATENEMPFANGSVERFAHREN UND VORRICHTUNGFÜRDRAHTLOSSENDE- / EMPFANGSVORRICHTUNG
    • EP2950492A1
    • 2015-12-02
    • EP13873073.4
    • 2013-09-22
    • Huawei Technologies Co., Ltd.
    • ZHANG, LianboLI, YunboLI, Jing
    • H04L25/03
    • H04W72/0413H04B7/15557H04J11/004H04L5/0053H04L25/0204H04W72/082
    • The present invention provides an uplink data receiving method and apparatus of wireless transceiver device. The method includes: obtaining a wireless channel state parameter of neighboring wireless transceiver device of the device; obtaining downlink data sent by the neighboring wireless transceiver device in a cross slot with the device; reestablishing an interference signal according to the wireless channel state parameter and the downlink data; and removing the interference signal from an uplink data signal received by the device. By reestablishing the interference signal of the neighboring wireless transceiver device on an uplink data signal received by the device in the cross slot, and removing the interference signal from the uplink data signal received by the device, cross slot interference may be eliminated without influencing the flexible allocation of a dynamic TDD system on wireless resources.
    • 本发明提供一种无线收发装置的上行数据接收方法及装置。 该方法包括:获取设备的相邻无线收发器设备的无线信道状态参数; 获取邻近无线收发器装置与设备交叉插槽发送的下行链路数据; 根据无线信道状态参数和下行链路数据重新建立干扰信号; 以及从由所述设备接收的上行链路数据信号中去除所述干扰信号。 通过在交叉时隙中由设备接收的上行链路数据信号重新建立相邻无线收发器设备的干扰信号,并从设备接收到的上行链路数据信号中去除干扰信号,可以消除交叉时隙干扰,而不影响灵活的 在无线资源上分配动态TDD系统。
    • 8. 发明公开
    • POWER OVER ETHERNET PORT PROTECTION CIRCUIT AND ETHERNET POWER SUPPLY EQUIPMENT
    • 保护电路为一个端口以太网供电和以太网供电装置
    • EP2672656A1
    • 2013-12-11
    • EP12772042.3
    • 2012-04-11
    • Huawei Technologies Co., Ltd
    • ZHOU, MingLI, JingXU, Shuai
    • H04L12/10
    • H02H9/045H02H9/04H02H9/041H04L12/10H04L25/0266H04M3/18
    • The present invention discloses a protection circuit of Power Over Ethernet (POE) port and an Ethernet power-sourcing equipment. The port protection circuit includes: a first common mode suppression component, a second common mode suppression component, and m rectifier bridges, where m is equal to the number of ports and the rectifier bridges are in one-to-one correspondence with the ports. A first input end and a second input end of each rectifier bridge are connected to a first direct current output end and a second direct current output end of a power over Ethernet PoE control chip, respectively. A first output end or a second output end of each rectifier bridge is connected to an idle signal line of a corresponding port, where the idle signal line is an uncharged signal line. An end of the first common mode suppression component is connected to the first output end of each rectifier bridge, and another end thereof is grounded. An end of the second common mode suppression component is connected to the second output end of each rectifier bridge, and another end thereof is grounded. In the present invention, the problem that a common mode overvoltage is converted into a differential mode overvoltage due to inconsistent actions of protection components in the prior art can be effectively solved and safety is good.
    • 本发明盘松动以太网供电(POE)口的保护电路和以太网供电设备。 端口保护电路包括:第一共模抑制部件,第二共模抑制成分,以及m整流桥,其中m是等于端口和整流器桥的数量是在一对一的对应于该端口。 第一输入端,并且每个整流器电桥的第二输入端分别连接到第一直流输出端和以太网供电的PoE控制芯片的第二直流输出端,。 的第一输出端或每个整流器桥的第二输出端在一个相应的端口,其中,所述空闲信号线是不带电荷的信号线的空闲信号线被连接到。 在第一共模抑制部件的端部连接到每个整流器电桥的第一输出端,​​并且其另一端被接地。 第二共模抑制元件的一端连接到每个整流器电桥的第二输出端,并且其另一端被接地。 在本发明中,故障做了共模过电压被转换成一个差模过电压由于在现有技术中保护组件的不一致行动能有效地解决,安全性好。