Wireless Tour: walking in a big way IEEE802.11-IEEE, 802.11, Standard – HC netwo
The development of wireless networks allow users to break free, more free access to the Internet.
The development of wireless networks allow users to break free, more free access to the Internet. For wireless network standards, there is always a "IEEE802.11" The key words linger, this mysterious character in the end represent what the source of the wireless network, what with it?
In fact, IEEE is the acronym InstituteofElectricalandElectronicsEngineers Chinese translation of Electrical and Electronics Engineers. IEEE authorized by the International Organization for Standardization standard-setting organizations can, with specific standards working committee.
Of Electrical and Electronics Engineers IEEE Here there are many committees, better known to belong to IEEE802 Committee, which was established in February 1980, the task is to specify the LAN with international standards, and has made remarkable achievements. We are talking of IEEE802.11 is IEEE802 Committee following a branch, we can see the scale of IEEE.
802.11 for wireless LAN Medium Access Control Protocol CSMA / CA and physical layer specification of the standard, 802.11b, g and other such standard version. Just released the first of two new 802.11b and 802.11a standards, although some people think that 802.11 is to publish in alphabetical order, but the reality is that 802.11a products even later than 802.11b products.
Where the majority of users, the standard release, and the popularity of products not directly related to, only to experience the product, the user will really feel the standard distribution. 802.11b is familiar with many users, even now, there are still many parts of the wireless network using the 802.11b standard. But now the mainstream for the 802.11g, speed of 54Mbit / s, the current network environment is already sufficient, but for large data transfers within the LAN or slightly shabby.
Speed of technological development has been the core is reflected, IEEE802.11n new 802.11 standard, data transmission speed estimated at 540Mbit / s, regardless of actual effectiveness, the level of shame has been for the previous standard, the new standard should be 50 times faster than 802.11b, and 802.11g faster than about 10 times. 802.11n will also be higher than current wireless network to the longer distances. Judging from the current form
, 802.11n is bound to shine this year, when prices of factors decreases, the more products faster and more will surely become the mainstream. Based on 802.11n wireless card only sell more than 100 yuan, 300 yuan wireless routing is also about the price already accepted by most consumers, the following roads will undoubtedly be wider wider.
Face of 3G and other wireless value-added services business popularity, the future will face higher and faster 802.11 choice, differentiation user level, focus on customers needs is a must to 802.11 standard, which is that the Commission has been explored problem. Wireless networks as the Internet develops, there will be more room for development, the future of office collaboration, home networking, e-commerce and data transmission cable will gradually dilute the presence of the 802.11 standard also will provide Internet users around the world more convenient.
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