Thursday, March 3, 2011
【 Weak current College 】 wireless router transmission and impact factor
Many partners are aware, our practice of wireless router transfer rate and better product brief above, this is what causes? is it businesses do fake ID?, originally not real reasons also lets look at the article to understand in detail.
Wireless local area network, also called WLAN (WirelessLAN), have become more and more users of the network. Wireless network device is very simple and does not require rewiring. Thus it does not undermine the family furnishings, compared to a wired network, wireless network to sensitive.
In the application process, we are not aware although WLAN wire of trouble, and the application is also very simple, but sometimes we will observe its signal is not fixed, the data transmission speed is slow, basically it is difficult to arrive at the nominal speed of the wireless router. For example, a label called 54Mbps (practical wireless router transfer rate at 20Mbps or so) for WLAN networks, but it shows transfer rate simply 11Mbps (practice transfer rate at about 4Mbps), 5.5Mbps (practice around the 2Mbps transmission rate) or lower, most to this we should do?
First we have to understand the following wireless network data transmission speed slow proclamation radio waves in the air to communicate easily various obstructions, disturbed disturbed by the source, which is formed from but so slow WLAN transmission. In addition to the wireless network transmission interval is finite, while the ordinary nominal wireless router transfer interval can reach 100 ~ 300 meters, but in practice the application assumes that you have blocked, this interval is shrinking and will lead to slower data transfer.
Know the transmission speed slow reasons we can purposefully to deal with this question. The first time in the planning of our master, wireless router and wireless network cards to the best possible visibility between, try to prevent the walls between them, particularly the load-bearing walls (reinforced concrete walls). We know that in order to reduce the radiation on the human body, the wireless router's power is not very common, and therefore in the application process is near capacity was disturbed of electronic equipment and, therefore, when configuring the placement of the wireless router, we will need to remember to stay away from microwave ovens, refrigerators, etc.
Good antenna is sure that the router wireless transmission interval and effective guarantee of a fixed, some high-end wireless router will use dual antenna, ordinary product for multiple antenna than single antenna products in transport functions more assured, assume that you have to pick and choose-we try to antennae perhaps more antennas for wireless router. In addition antenna gain size influence on data transmission is also very major, General router normal only comes with an antenna gain as 2dBi omnidirectional antenna, but many high-function wireless routers equipped with really 3dBi or 5dBi Omni-directional antenna. There is no doubt that the same circumstances, adopt 5dBi Omni-directional antenna for wireless router functions must be better than 2-3dBi Omni Antenna products. Thus we can resolve using high-gain antennas to improve the wireless signal.
Wireless router and network connection between complementary but also improve the wireless data transfer speeds, a key factor, we know that the market for wireless transmission specifications have 802.11G, G +, N, B, and so on many kinds of specifications, for example, we use router is 108Mbps 802.11G + of the specification, but the wireless card use is 11Mbps (802.11b) specification, which must be in original Jian speed is not up to 108Mbps, then we need to qualify the network card to arrive at the best compatibility results. At the time of purchasing the product, we will need to pick the same specification of the wireless router and network connection, this talented maximum limit lower compatibility questions of attack.
First, the primary surface we profile is the hardware on the wireless router the transmission speed of impact, in terms of software, a reasonable configuration also helps to provide wireless routing of data transmission speed. We know that the majority of non-minority wireless router supports WEP or WPA encryption, encrypted using while effectively improve home network security functions, but its more or less affect the data transfer rate, on an ordinary home wireless network, WEP or WPA encryption does not help much, so we can turn off or disable this function.
In addition we can sometimes seek convergence of the Internet through the wireless router's drive to improve wireless transmission.
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