Due to the geographical disposition of the territory of Sardinia and due to the low population density, the lack of a stable and reliable broadband connection of any form is a primary concern.
Given the need for capillary coverage of the territory, the faster and preferable cost efficient solution is the creation of a wide area network based on wireless systems throughout the territory. This solution does not involve the construction of expensive infrastructures but mostly, where possible, the use of existing infrastructure that may be implemented, or small autonomous structures.
It is a widely used technology that allows the transport of the Internet and related services such as: telephony, video surveillance, environmental control, IoT services, public administration services, and general widespread services that rely on an Internet connection.
Citizens, Companies, Public Administrations in unserviced areas will thus be comparable to other areas covered by broadband services (ADSL, HDSL Fiber Optic, Wi-Fi) having the same opportunities and the same services available in the large urban areas of the Cities.
Having observed and studied the sites that can be used for the positioning and installation of telecommunications systems, a close collaboration must be activated with local administrations both for the necessary authorizations and for the promotion and spreading of the initiative to citizens and companies, schools and public administrations.
It will be advisable to set up, in collaboration with the local administrations, a series of areas where it will be possible to connect to the Internet through a Wi-Fi Hot Spot service which may also be free of charge; the services provided with the agreement of the authorities may be:
Free of charge in the initially agreed areas indicated by the single Administration.
Partially free (with time duration)
For a fee.
It is based on high frequencies radio transmissions, and does not depend on the use of an existing cabled infrastructure; It is a secure system that can also be integrated and combined with the cable networks of the existing infrastructure if necessary.
The integration of a wireless network with a wired copper and / or fiber optic network is possible thanks to particular innovative devices for internet applications and diffusive systems for external applications. These devices have a physical connection, via cable or optical fiber, to a wired network in order to receive the bandwidth to be later shared wirelessly or through the more conventional wired connection.
Solutions on Wireless networks proposed highlight a high degree of reliability and security.
The transmitted data, sent wirelessly, reach any wireless client that is in the cell managed by the transmitter. Services are then simultaneously distributed to all users who request or activate their own wireless terminals either privately in their homes or professionally in their companies.
With a small Antenna installed in a fixed mode in your home or company, it provides the same service as the classic ADSL-HDSL line, with the possibility of providing high-end services comparable to direct connections based on optic fiber.
The emissions of wireless devices, defined as Indoor or Outdoor depending on where they are installed (either inside or outside of buildings), are completely contained within very low values, certainly lower than 0.1 V / m.
To have a comparison that dispels any doubt about emissions of wireless devices:
It is proven that a normal mobile phone reaches levels of electromagnetic field emissions that are clearly higher and more polluting than those of wireless devices.
All this to say that the power output brought into play by these systems is not even comparable with that of devices used by mobile operators.
Therefore, the power emitted by WiFi systems is about 200-300 times lower compared to mobile phone systems and far lower than FM Radio and Television repeaters, as demonstrated from the chart below.
It should be emphasized that innovation is intended as a complementary process in unison with software and hardware components. Radio devices used are HiperLAN type (class 2 - subclass H01), which convey broadband data and allow you to bring a reliable service even where there is nothing and for moving infrastructures. These devices are suitable for operating both in private local wireless networks (Radio LAN) and in the context of Access Systems to public communication networks (Internet).
Built to operate in the 5470 ÷ 5725 MHz band, they are class 1 (subclass 54) and therefore are free to use in the private sector (they radiate 1W EIRP medium, with an average density of 50 mW / MHz).
They operate indoors (indoor) on the 5150 ÷ 5350 MHz band (Lower band) and in the 5470 ÷ 5725 band (Upper band) and with the constraint of using differentiated powers: in the lower band power 200 mW EIRP. medium and average density 10mW / MHz, in the upper band 1W EIRP
The systems and technologies proposed for the completion of the broadband coverage of the territory allow the achievement of very high performance, comparable to optical fiber, unthinkable until a few years ago.
Type of users and bandwidth requirements
The service was created to meet the needs of the following types of users:
- Public administration
- Company users
- Residential use
- Other public bodies (public forces, schools, etc ...)
In this way, it will be possible to provide connectivity to the whole Community and achieve important milestones such as:
- modernizing the Public Administration and services to citizens with cultural, educational, tourism, security activities and many more;
- favour and strengthen economical activities;
- create new professionalism levels, skills and proficiency jobs.
This idea provides for the creation of special exchanges in the main locations, which must be connected to each other in order to be able to offer the necessary redundancy of equipment and services, and certainly located in the areas of interconnection with the main data backbones.
This project aims to create a system that can be easily replicated as the structuring costs are much lower than traditional cabling systems in the area and can be easily implemented especially in rural areas (high density ones included) where cabling is not an option.