Life is inseparable from wireless networks. However, the performance of wireless networks is related to the transmission rate and stability of wireless routers. To improve the performance of WiFi wireless networks, it is necessary to know some important factors affecting WiFi. In addition to the quality problems of hardware such as wireless routers and wireless network cards, what are the objective factors that affect WiFi performance?
The first is the transmission distance
Wireless devices such as wireless routers and wireless network cards all have effective coverage and transmission range. In this range, the performance of wireless networks is relatively stable and reliable. The closer the wireless source is to a wireless transmitter, such as a wireless router, the better the wireless signal will be. So don't hide the wireless router in the corner of the room, and don't bury it in the basement or on the shelf, but instead place the wireless router in the center of your wireless activity.
Of course, if you are limited by the layout of the network port in the room, what should I do? The easiest way is to choose a longer cable to increase the placement of your wireless router, but this method will affect the aesthetics of your room layout. Another approach is to deploy a wireless access point or wireless router that uses wireless trunking to extend wireless coverage.
Followed by obstacles
When people build wireless networks, they often ignore the effects of obstacles on wireless signals. The most obvious one is the weakening of the wireless signal by the wall. If it is a wall of wood or plaster, the wireless signal can pass through, but the following obstacles can make the wireless signal strength decrease rapidly. They have brick walls. Tiles, mirrors, lead-based paints, etc. The water in the fish tank in the room, the metal plates and the wire mesh in the wall will also attenuate the wireless signal. So don't put the wireless router next to the aquarium or the wall containing the above substances, otherwise it will generate a dead angle of the wireless signal.
And the angle at which the antenna is placed
The antenna is placed vertically in a wider area
The placement angle of the antenna is also an important factor affecting WiFi reception. For example, most wireless routers are equipped with omnidirectional antennas, which are generally standard dipole antennas. They are â€œcircularâ€ stereo coverage as shown in the figure, and the wireless coverage is wider in the vertical direction, but above and below is the weak point of signal coverage. The receiving effect will be affected. Therefore, when the antenna of the wireless router is placed in the vertical direction, the wireless receiving device is placed above and below the antenna, and it is likely that the best wireless transmission performance will not be obtained.
Wireless stereo coverage when the dipole antenna is placed in the vertical direction
In this way, for duplex users, to get full wireless coverage, you need to configure a wireless router for each floor or use wireless expansion devices such as wireless power cats.
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