我在双启动模式下使用 ubuntu 20.04 和 windows，我的路由器是 2.4GHz，并且设置为支持所有协议（b/g/n），但每当我在手机上进行速度测试或访问 windows10 时，它们都显示速度为 20-40 Mbps，而在 ubuntu 上进行速度测试的结果仅为1-2 Mbps，我真的受够了，到底出了什么问题。我检查了 windows10 上的 wifi 属性，它显示 802.11n 作为协议。
请立即帮助解决此问题....
输出自lshw-C 网络
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 10
serial: 8c:16:45:e8:01:3f
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.9.13-xanmod2 firmware=rtl8168g-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII
resources: irq:16 ioport:3000(size=256) memory:b2204000-b2204fff memory:b2200000-b2203fff
*-network
description: Wireless interface
product: QCA9377 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 31
serial: 30:d1:6b:f9:e2:b5
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath10k_pci driverversion=5.9.13-xanmod2 firmware=WLAN.TF.2.1-00021-QCARMSWP-1 ip=192.168.101.3 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:136 memory:b2000000-b21fffff
并输出系统配置
wlp3s0 IEEE 802.11 ESSID:"XenialXerus"
Mode:Managed Frequency:2.442 GHz Access Point: E0:E8:E6:4A:07:5C
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=55/70 Signal level=-55 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:324 Missed beacon:0