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Wireless get online, too slow; Wired get online, look for interface everywhere too troublesome, a few days ago, management board of communication of the Anhui province puts forward after passing survey one time, my province should use high speed broadband wireless net enclothes the city rise, make everybody OK thereby at any time and place wireless high speed gets online, this measure also is by what people figure says " wireless city " .
My province should be accelerated " wireless city "
The Olympic Games is sessional this year, "Wireless city " operation tries in Beijing, want to buy check of a kind of wireless net only [link widoczny dla zalogowanych], can enjoy high speed online service at any time and place, online speed and wired online photograph is compared, not inferior. Before before long, management board of communication of the Anhui province is in the middle finger of an investigation report that implements scientific progress concept goes out, my province also should be accelerated " wireless city " the pace of construction.
"Wireless city " those who use is wireless local area network (WIFI) technology, its are highest bandwidth is 11Mbps, below the case that there is interference relatively in signal, bandwidth can be adjusted for 5.5Mbps, 2Mbps and 1Mbps, will wireless signal sends a city each corners, the citizen should have desk notebook computer only, do not need to look for interface, in can join anyplace on Internet. And current and wireless get online, those who use is GPRS or CDMA technology, because bandwidth is very low, online rate is slow, cannot have satisfied people online requirement. Common wired get online cannot find Internet interface, cannot get online more. "If ' wireless city ' build, so wireless get online to resemble snail no longer ordinary at a leisurely pace, the citizen gets online to go to the lavatory euqally as using a mobile phone " .
Should get online after becoming so convenient and quick, notebook computer, palmtop computer, mobile phone wireless hold terminal, in any hour any ground are nodded can get online freely, etc car, shop, piece Internet can go up when travel, will become so not dull when idle, and depend on " wireless city " , also can derive a series of new services. The expert points out, "Wireless city " will be the water and electricity in the tradition warms gas the 5th infrastructure besides, will great change the life of people.
"Wireless city " times administration efficiency rises
The cataclysm of arise suddenly, shattered bridge and road, communication cable also is destroyed, group of rush to deal with an emergency is badly in need of wanting to give rear expert group spot case report, how to reach times to accuse true at that time setting? Be in " wireless city " times, this issue may become simple, need to take computer of a notebook only, can convey spot picture instantly go back. In all sorts of jobs that urban informatization network has, e.g. : Lash-up of mobile government affairs, public safety [link widoczny dla zalogowanych], city, increasing need passes an ability of portable tall bandwidth network to be finished smoothly, "Wireless city " will be helpful for a government sector undertaking manage and serving.
Investigation of management board of communication of the Anhui province makes clear, the net of fiber-optic city land with certain boundaries that visits each town completely at present has built, internet province border exports bandwidth to had achieved 380Gbit/s, levels of each domain informatization application had very big rise, but broadband of present implementation of network radiate requirement arrives door, the broadband arrives person, broadband information is deferent " last kilometer " bottleneck has been shown, solving these problems to rely on wired network merely still is insufficient [link widoczny dla zalogowanych], wireless network should be participated in come in. Additional, already accelerated in city of long triangle area " wireless city " when construction, the Anhui province also should seize opportunity, blend in long triangle area actively " wireless city " enclothe a net, after decreasing thereby the obstacle of information communication.
Because have the satellite communications technology in the wireless technology that can rely on at present too costly and do not apply to central the city zone or indoor wait for the environment with strong keep out; GPRS and CDMA bandwidth are too low; Digital group suits speech communication to wait only, accordingly, urban informatization network is badly in need of upgrading, wireless network construction becomes the tall bandwidth that enclothes a city big trend.
Operation mode: Government and operation business cooperate
As we have learned, there are 600 many cities to be being built on the world " wireless city " , use pattern of 3 kinds of operation at present, it is governmental independence construction allocating funds, with " the 5th kind of public facilities " for fixed position, can make sure the citizen is enjoyed true mix freely low, but the finance burden of this undoubted will aggravating government. 2 it is by telegraphic operation business comes construction and operation, it is mode of so called free market, certainly will raises operation trade cost. 3 it is the collaboration between government and operation business, the government is bought among them paid service, the enterprise undertakes investing construction and operation.
The 3rd kind of mode by domestic and international more urban place is used, current, of the home such as Beijing, Shanghai, Guangzhou " wireless city " construction is spreading out. As we have learned, this year on September 8, xiamen " wireless city " open formally to the citizen, by time minutely collect fees 0.05 yuan mix 30 yuan / the month can get online 15 hours, 50 yuan / the month can get online 40 hours [link widoczny dla zalogowanych], 100 yuan / the month can get online 200 hours [link widoczny dla zalogowanych], the whole nation roams return collection to roam cost; And the rate of the city such as Beijing is, 20 yuan 1 day get online indefinitely card, 60 yuan 5 days get online indefinitely card, 80 yuan of infinite Baoyue get stuck and press time minutely collect fees 0.12 yuan. At present mobile GPRS and UniCom CDMA collect fees with discharge computation is given priority to.
Save communication management board to think after passing survey: "Wireless broadband city belongs to urban informatization infrastructure to build a project, various government and relevant section want to guide actively, adopt with fundamental telecommunication the enterprise has capital investment and long-term operation for main body, with other appreciation telecommunication the enterprise is additional commercial operation mode, achieve social benefit, enterprise beneficial result double win. " additional, "Make full use of I save net of land with certain boundaries of existing broadband city (include fiber-optic key member net, fiber-optic into village, fiber-optic into the building) the network resource with mobile of GSM, CDMA, use 3G+WiFi technology to build me to visit wireless broadband town, use 3G network to undertake notting have seaming enclothing to the city among them " , according to this one tentative idea, after network of new generation 3G and wireless local area network are united in wedlock, will ensure the citizen is in anyplace wireless online speed, also meet those who reduce fundamental resource repeat construction at the same time, reduce cost. |||Em52] Em52]Relevant Information：


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