In any area within the city people enjoys the rapid and convenience that the wireless network is given. Help the government to build up common high-effect insurance mechanism by the fact that the wireless supervisory control network cover the whole city. The government decree can be prompt announcing and being put into effect by the distribute broad LED , LEC , LCD large screen display . and the public also can know all acted by the government at any time. Informationize with the city horizontal step-by-step rise , all above-mentioned functions surely will become reality in future city.

The technology and the fund sometimes are two the key factor of course restrict a city informationize. Generally, the government adopts the problem coming to resolve construction funds through many channel financings method. OpenTel to substantial funds and technical strength as backing, follow the common international BOT (Build - Operate - Transfer) financing model in cooperation with the government, for city information to build a better and achieve the grand objective of a harmonious society to make positive efforts.

OpenTel city BOT plans contains three elements: City wireless broadband coverage, Public Safety Monitoring Network, the publication of information platform taking large screen display network as the main body.(named City landscape information project)

People has been through wireless broadband networks and Internet high speed links up In some big cities such as South Korea and Taiwan, This it is the wireless city broadband taking WiMAX technology as basis to cover a network. WiMAX's full name is Worldwide Interoperability for Microwave Access, it's based on the IEEE 802.16 standard for broadband wireless access to MAN (BWA-MAN) technology, it's also named as IEEE Wireless MAN. The technology aims to provide a convenient wireless access technology for future digital home, mobile office, and other wireless applications in the field to build a ubiquitous wireless communication channel.

WiMAX,World Interopera-bility for Microwave Access, it's based on the IEEE 802.16 standard for broadband wireless access to MAN (BWA-MAN) technology, it's also named as IEEE Wireless MAN. This technology is for microwave and millimeter-wave band to a new air interface standards, and its main objective is to provide a point-to-multipoint in a multi-vendor environment in BWA-MAN, which can effectively interoperability of broadband wireless access all means. WiMAX has the following characteristics:

(1): Long transmission distance: Farthest distance wireless signal transmission up to 50 km, and can cover a radius of 160 kilometres of range, it is 10 times 3G base stations

(2): High transmission rate: Can be realized as high as 74.81 Mb / s transmission speed.

(3): High capacity: one of WiMAX's base stations can access hundreds of remote subscriber station.

(4): Flexible channel width: WiMAX can strike a balance between the channel width and the number of users connected, Its channel width from 1.5 MHz to 20 MHz range.

(5): QoS performance: To provide users with QoS performance data, video and voice services

(6): Rich multimedia communications services:? To achieve carrier-class multimedia communications services.

(7): Confidentiality: Support the secure transmission, and to provide authentication and digital encryption features.

As a result of these features and network building fast, effective early advantage, WiMAX has important practical significance and the strategic value.? For the range that use xDSL, CableModem manner cannot effectively covered and do not deserve to facilitate the deployment of a regional cable network, WiMAX is extremely useful to consider in Cover environmental restrictions and Subordinates cost considerations.

Asia is at the forefront in the application of WiMAX , Which South Korea as early as January 2004 began to draw up WiBro standard (The predecessor of WiMAX ) It is developed from the project that the HPI article is launched.

By South Korea Electronics and Telecommunications Research Institute (ETRI), Samsung Electronics and South Korea's major carriers. South Korea is the first country that provide for the mobile WiMAX 2.3 GHz frequency resources, and is regarded as the global WiMAX development of the guidance and operating services pioneer. In Taiwan, the Chinese broadband networking company for the first commercial applications, Now in Taiwan to provide a complete set of wireless services applications, including the establishment of an international remote conference centre in the Jinlong buildings in Taichung; At the same time bring up the interaction of life-business platform in Eastern Taichung, construction of the digital home for the provision of wireless infrastructure services, Provide the platform? for a new type of digital, perception lifestyle .

OpenTel is leader of the WiMAX technology in the mainland, with Taiwan partners with the technical support, at the same time taking into account the success of South Korea and Taiwan case, Design a set of Chinese WiMAX? Commercial Applications. Including:

City fire / safety wireless monitoring services.

City mobile terminals (Such as Mobile, automotive GPRS and notebook computers)
wireless access service.

City outdoor media (LED,LEC)wireless networking services.

Community network wireless access service.

Field disaster / safety monitoring system wireless access service.

WiMAX is now the only standardized OFDM-based wireless wide area network WWAN platform

WiMAX, in accordance with the transmission service provider base of the frequency usage circumstances, therefore transmission rate will be lower than the theoretical speed. WiMAX support including broadband connectivity, large-scale wireless Internet access, cellular backhaul (mobile phone network) and dedicated high-speed connections, and other enterprises.

Opentel design of the city's wireless Fire / Safety Monitoring System for the fire safety and public security system in the large and medium-sized cities, for the realization of the city public safety system more convenient for the creation of rapid deployment possible, provide it with the mature network transmission service, increase in the speed of deployment at the same time, ensure the quality of service data, used BOT investment for the state public service agencies more cost savings, at the same time create a more perfect security system.

OpenTel provide office network(such as VOIP,COMPUTER)and mobile terminals (such as mobile, automotive GPRS and notebook computers)wireless access service for the business community and business people in the large and medium-sized cities, consider a major business-to-office efficiency and network construction costs and the company's image needs a comprehensive consideration, Provided services for guarantee? seamless connectivity and a cross-platform wireless network.

Against shopping malls, commercial streets, such as people-intensive areas's advertising terminal, Opentel provide urban outdoor media (LED, LEC) wireless networking services and a national / city's networking capabilities, particularly the deployment of mobile advertising terminal networking needs, guarantee advertisers and the advertisers spent on advertising and the cost of stringent requirements.

OpenTel provide a home network wireless access services for the community, it provides the basic services network for the future of IPTV and digital home.

OpenTel against China's special geography and Field situation enactment of the solution, against hills more plains less, and basic configuration is also not perfect. Therefore, the government could use the wireless technology provided by Opentel and? other equipment to stimulate the growth of wireless broadband market in the area with high cost and? no cable broadband.
Therefore OpenTel believes in the future the application of WiMAX is able to bring about the new network handling official business and life experience for ultimate Internet user. Adopt broadband wireless cut-over way, every unit can enjoy the service applying to 25M the above bandwidth.

Following the prosperity and development theme of global economy, prevent and handle construction of facilities of public security system such as emergency succoring, safe defense, anti-terrorism of the great sudden emergency, have already become the important political work content that the whole world has not been in charge of the government with the countries and regions. As the economy of our country joins rapid advance of the global process of integration, China will have and will incorporated in the circumstances of economic globalization extensively and more profoundly. The development of city of China such as Beijing, Shanghai, Guangzhou, Shenzhen, Qingdao, etc. enters and increases period fast too, various risks of great sudden public safe incident of city experience increase correspondingly notably too. An isolated accident may produce the effect of spreading, develop into the enormous social disaster, cause the serious threat to the normal life of whole national security, social stability and the people. For this purpose, common safe city supervisory control network system arises at the historic moment.

OpenTel urban structure chart of monitoring system:

The system is divided into three parts: the Fore-end, Transfer, and Monitors

Fore-end: The fore-end equipment core component is a video frequency server, the video frequency server collects the queen to scene data, conducts time by the fact that transmission network will collect the signal arriving at to monitoring centre. Proper system two end stores a function, the equipment handling a personnel being able to be direct during the period of the emergency from fore-end fetches the fast-procession recording a data, going to the lavatory. The video frequency server adopts "Long Xin" system.

Transfer: The system is offered more diversified transmission means, according to the needs of on-the-spot environment, can choose the network link suitable to transmit, the adaptive flow controlling mechanism of compressing through the advanced video and intelligence, and make it become possible to meet many kinds of connection ways. Transfer the can be an artificial satellite, fibre-optical, wireless network (WiMAX).

Monitor and control provides more especially convenient management mode. The client can use the authorized account number to land and browse through the control system, browse through the on-the-spot situation through the network.

The fore-end system applying lieu to some peculiarly can use green sources of energy such as wind power electric power generation and solar electrical energy generation to be driving force, be that entire system provides the sources of energy supply, refer to below picture.

OpenTel city safety monitors system but applies to the city and the supervisory control network that the common environment of suburban area and safe supervisory control, form entirely broadly.

The highway is monitored

The airport is monitored

The large-scale outdoor theme park is monitored

Reservoir is monitored

The bridge is monitored

The runway is monitored

The lake water is monitored in the city

Crops is monitored

OpenTel most potential business collaborative project is in the densely populated area of the city, for instance the scenic spot in the city, set up the display of the large screen in places such as the transfer station of the traffic, the main road, the office building, etc. Rely on the partnership relation with the government; put the display screen in scenic spot of the state-class travel, in the airport, building and necessary place.

By the fact that the marketplace personnel appraises to accepting meticulous everybody group investigation, we offer the individualized solution to you. Employ LED, LCD, LEC technology, emphasizes usage regenerate natural resources , makes production cost and the upkeep cost lower , makes not to affected , saved thereby also the sources of energy by any naturally with the social environment. The following is picture resolving the scheme concept:

Combine with LED, LCD, and LEC in step, we have provided system platform specifically for government bodies network construction to resolve scheme e-administration system. This system has good systematic opening, has realized the seamless link with media service of the domestic operating system. Also be able to fully utilize original PC resource, switch over to concentrate a pattern greatly for distributed structure, thereby greatly lessening handle official business network population cost.

According to government's legal regulation requirement, OpenTel has already been handled all has dealt in the licenses and licenses relevantly. In addition, OpenTel offers and uses the central data stock in the exclusive platform to store the scheme of managing, support synchronous data interchange, the high-efficient data resume backing up with the software, help you to save the data of the great amount of expenses to resume the expenses and a large amount of time.

OpenTel will extensively set up LED/LEC/LCD large-scale display screen in places of entertainment of recreation, such as the large-scale market, supermarket, airport, hotel of the cooperative city, etc.

Fully utilize the surface to set up LEC lighting window display on the outside of market, can be seen easily in the daytime and night

The indoor inner applies LED/LCD; replace outdated shopping guide's platform and advertising, centralized customer's eyeball.

Employ LEC lighting board indoor at the same time; increase the clear visualities of the advertisement of ordinary floor, cylinder advertisement