Wireless Network Development Trends: High-Quality Is The Key To Operating

As the 3G era of wireless applications growing rich, as well as emerging wireless terminal equipment for wireless networks, in particular technical standards based on 802.11 Wi-Fi wireless networking, 802.11n products in the application of increasingly become the mainstream technology of the present application, based on Wi -Fi technology, wireless networks, not only in bandwidth, coverage and other technologies have made a great upgrade, while applications, Wi-Fi-based wireless applications are from the original “anytime, anywhere, anywhere access” service into Car Wireless, wireless voice, wireless video, wireless campus, wireless medical, wireless cities, and many other wireless location-rich wireless applications.

In a sense, Wi-Fi wireless networks are no longer just about the commitment in 2000 “as an extension of wired networks,” under the E Meng Wu, “replace cable” is no longer just a dream.

802.11n wireless network to promote the rapid development of the market.

As the market mainstream Wi-Fi wireless network technology, 802.11n standard multi-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM) technology, makes the network transmission speed is enhanced greatly. 802.11a/b/g than the 25Mbps, 11Mbps, 54Mbps, 802.11n WLAN transmission rate can be increased to 300Mbps or even 600Mbps. Meanwhile, in the coverage area, 802.11n access points, although the signal emitted no less than traditional hardware launch of signal transmission even further, but 802.11n smart antenna technology, multiple independent antenna through the antenna array, the dynamic adjustment of beam, WLAN users to ensure a stable signal reception and reduce interference with other signals, so that Wi-Fi wireless network mobility improved greatly.

In addition, compatibility, 802.11n uses a software radio technology to become a fully programmable hardware platforms, different systems of base stations and terminals are available through the platform to achieve interoperability and compatibility of different software, which makes wireless greatly improved the compatibility of the network. Users can use the 802.11n-based products to achieve high-quality voice calls, high-definition video transmission and a wider range of mobile Internet.

Restrict market development in the biggest problem - price, with the promulgation of formal standard 802.11n, and 802.11n wireless all companies have lowered their prices, now, 802.11n equipment has been gradually replaced the market 802.11a/b/g mainstream. In ABI Research recently released the latest report, now almost all laptops, netbooks, mobile internet devices (MID) and smart phones have started to built-in Wi-Fi chip, expected future this trend is expected to continue, and since the functions of 802.11n strong, with chip prices have been declining, so the new 802.11n standard products are used in succession after the 2010 802.11g 802.11n shipments will surpass the market mainstream.

Design Institute of China Unicom wireless Department of the main Ren Fengyi, said in support of WLAN 802.11n standard wireless broadband networks represent the future direction of development. China Unicom will be the future network construction tender in the introduction of 802.11n equipment, and hot spots in the construction part of the data to improve air port transfer rate, to meet customer needs.

Fixed telecommunications network data, until the end of 2009, China Telecom will be laying in the country’s Wi-Fi hotspots to more than 100,000; China Mobile at the end of 2009 to conduct a large-scale WLAN procurement, project completed by the end of 2010 more than 110,000 Wi-Fi hot spots, the end of 2010, China will deploy approximately 285,000 Wi-Fi hotspots. Also, because the needs of users, is expected to 2010 Wi-Fi phone shipments will total more than 28 million units.

ABI figures show that in 2009 growth in the wireless penetration rate of 60% of the health care market in 2010 is expected to grow 70% in 2010, Wi-Fi chips shipped will reach 770 million units.

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