wifi信号弱

[bxxxc]

ubuntu 16.04 LTS wifi 信号弱，都挨着路由器了，信号都不是满的，而且用一段时间后就掉了，还有就是不能链接隐藏的无线网络

[九天星]

没错，都一样。
UBUNTU判断的不是信号，似乎是网速。比如同一个路由下，如果有人在看视频，那么，信号格子就下降，反之，就上升。你看看是不是这样！

[vickycq]

ubuntu 16.04 LTS wifi 信号弱，都挨着路由器了，信号都不是满的，而且用一段时间后就掉了，还有就是不能链接隐藏的无线网络

连接无线网，执行以下指令将结果全部复制贴上来

代码： 全选

uname -a
lspci -knn | grep -iA2 net
sudo lshw -numeric -C net
sudo iwconfig

[九天星]

wlp2s0@wlp2s0-computer:~$ uname -a
Linux wlp2s0-computer 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12 17:00:09 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
wlp2s0@wlp2s0-computer:~$ lspci -knn | grep -iA2 net
02:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6235 [8086:088e] (rev 24)
Subsystem: Intel Corporation Centrino Advanced-N 6235 AGN [8086:4060]
Kernel driver in use: iwlwifi
--
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 07)
Subsystem: Sony Corporation Device [104d:9099]
Kernel driver in use: r8169
wlp2s0@wlp2s0-computer:~$ sudo lshw -numeric -C net
[sudo] password for wlp2s0:
*-network
description: Wireless interface
product: Centrino Advanced-N 6235 [8086:88E]
vendor: Intel Corporation [8086]
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: 24
serial: c4:85:08:61:30:00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.13.0-95-generic firmware=18.168.6.1 ip=192.168.1.99 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:46 memory:b7000000-b7001fff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10EC:8168]
vendor: Realtek Semiconductor Co., Ltd. [10EC]
physical id: 0
bus info: pci@0000:04:00.0
logical name: eth0
version: 07
serial: 30:f9:ed:f0:77:78
size: 10Mbit/s
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 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168e-3_0.0.4 03/27/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:44 ioport:3000(size=256) memory:b5004000-b5004fff memory:b5000000-b5003fff
wlp2s0@wlp2s0-computer:~$ sudo iwconfig
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11abgn ESSID:"TP-LINK_6BF8"
Mode:Managed Frequency:2.412 GHz Access Point: BC:46:99:E8:6B:F8
Bit Rate=81 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=43/70 Signal level=-67 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:132 Invalid misc:1346 Missed beacon:0