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在 18.04 中，路由器的 Wifi 连接在某些时段经常中断

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在 18.04 中，路由器的 Wifi 连接在某些时段经常中断

一天中最好的时间。我遇到了一个问题。每天的某些时间，我的笔记本电脑会在几分钟内断开 wifi 连接：20:00 - 21:20。我是唯一连接到此路由器的用户。这有点烦人。也许，这可能是由于邻居的无线路由器可能会干扰而发生的。

satana@satana:~$ lsb_release -a
LSB Version:    core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 18.04 LTS
Release:    18.04
Codename:   bionic

Gnome 3.28.1
Kernel 4.15.0-20-generic

Router model Trendnet TEW 432 BRP. Wireless G broadband router
Firmware model 3.10.20

Here is the data about the model of laptop.

satana@satana:~$ sudo dmidecode -s baseboard-product-name
Lenovo B50-10

satana@satana:~$ sudo lshw -C network
  *-network                 
       description: Ethernet interface
       product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth0
       version: 0a
       serial: 1c:39:47:36:07:05
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8107e-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:92 ioport:2000(size=256) memory:90504000-90504fff memory:90500000-90503fff
  *-network
       description: Wireless interface
       product: RTL8723BE PCIe Wireless Network Adapter
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlan0
       version: 00
       serial: b0:c0:90:4c:f7:d0
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtl8723be driverversion=4.15.0-20-generic firmware=N/A ip=192.168.10.102 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       resources: irq:19 ioport:1000(size=256) memory:90400000-90403fff

感谢您的关注。

答案1

这可能是由于 wifi 电源管理设置造成的。

我们通过更改 Ubuntu 中的电源管理选项解决了该问题。

$ nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

改变wifi.powersave 从 3 降为 2。

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