One of the major developments of recent years is the merger of Telecom with the Internet technology in tell convergent offers.
In other words, means for the customer a unique billing, and the possibility of finding the same services at home but also in mobility (video, music, communication...)
Since the beginning of the year 2005, convergence offerings are increasing in Europe and in the world.
These offers are based on different technologies, mainly on Cell-ID (France, Switzerland, Germany) and UMA (England, Sweden and Finland).
NTT DoCoMo, the Japan mobile operator, launched a supply company, allowing its customers to use VoIP with a hybrid Wi - Fi terminal.
The Cell-ID technology allows a mobile operator to locate a customer (precision of the GSM cell). This information is used for a differentiated billing. This solution which is \pure mobile\ suffers from a lack of precision in urban areas and significant costs of developments.
It does not meet expectations in terms of integration and broadband but allows to meet the customer expectations regarding offers of domestic abundance. That's why we continued to look for other solutions of convergence.
In order to adapt these new technologies, it is necessary to develop technologies of wireless such as WiFi or WiMAX for mobile phones.
WiMAX (Worldwide Interoperability for Microwave Access) is the evolution of Wi - Fi. This standard is based on the 802.16 radio transmission standard.
She was pushed by a consortium of 50 members, including Intel, Nokia, Fujitsu, Cisco, was approved in 2001 by the international standards body of IEEE (Institute of Electrical and Elecronic Engeneers)
Atmel, Siemens, Motorola, Alcatel, France Telecom, etc...
WiMAX is a response to high speed wireless connections. It covers areas of covers of several kilometres, allowing use in fixed or mobile situation.
With its coverage of network of 20 km and 70 Mbps throughput, it is subsequently possible to provide access broadband in rural areas with no ADSL or cable.
There is very little time, the IEEE organization has standardized the mobile version of WiMAX, mobile WiMAX technology.
It has a flow of 30 megabits/second with a range of 3-4 kilometres, which is substantially more than the telephone networks.
The G3 can currently transit between 400 and 700 Kilobit per second and per user. It is the direct competitor of the telephone network.
As soon as we enter the area of the STB from home or the office, mobile communication through the network broadband via VoIP. To make this work, you need operators that offer this feature,
as well as compatible mobile phones.
Thanks to the development of wireless, Wi - Fi and WiMAX technologies, as well as compatible phones Wi - Fi via VoIP, the Quadruple play will be possible.
Most mobile phones in construction include VoIP support. Today there are a number of phones with VoIP support.
There are including Skype, which presents, in partnership with Netgear, the first phone Skype Wi - Fi VoIP.
There are also Senao, Taiwanese company, which offers a Wi - Fi 802 .11b/g for VoIP phone. Another example is NTT DoCoMo, a mobile operator in the Japan, which introduced its 3 G/Wi-Fi phone.
Regarding access providers, they are a step ahead. For the moment, there are already two suppliers offering the concept of the Quadruple play, but others will soon follow.
The phone compatible with UMA technology uses access high-speed wireless at home or in the office. Then it switches, without interruption of service,
on the mobile network to the outside and mobility. The use of the fixed or mobile network becomes transparent to the user.
The latter could then use one phone and one number instead of having a fixed number and a second for the mobile phone.
The protocol used by the AMU allows to use services on mobile phones such as GSM and GPRS, through technologies such as BlueTooth and WiFi (802 .11b/g).
It is also compatible with wireless IP as WiMAX networks.
The operation of this technology is relatively simple. As soon as your mobile UMA enters the coverage area of a WiFi or Bluetooth access point
It can receive and communicate by IP packet. These packages are then sent to the UMA controller with the IP of the home or business network.
This controller sends the data to the network of the mobile operator. In this same way, it authenticates the user before its connection to the cellular network.
This technology allows to achieve very high flow rates. VDSL promises a debit to the user up to 50 Mbps, and from the Subscriber to the Internet in the order of 3 Mbps.
The evolution of this technology, VDSL 2, can even run up to 100 Mbps in both directions (in theory).
This technology uses a frequency band up to 12 MHz, VDSL 1 and 30 MHz for VDSL 2 while the ADSL 2 + uses a 2.2 MHz frequency band.
The range of frequencies being wider and greater energy consumption, operators must adapt their network equipment.
While an ADSL 2 + card, inserted into a multiplexer (DSLAM) digital subscriber line access to, can serve up to 72 guests
a VDSL card would not accept more than 24 clients at the moment.
The goal is to provide flow rates in VDSL subscribers located 1500 meters from the Dispatcher and of the ADSL 2 + to residents of more than 1.5 km.
Another technology under development is the FTTH (Fiber To The Home); fiber to the home/building.
It allows access to the Internet at speeds often reaching 100 Mbps. Comparable to cable in its installation, since it requires the laying of fiber to the Subscriber.
the FTTH is used mainly in urban areas.
The main lines of technological convergence occurs mainly between the worlds of telecommunications and informatics. This is seen particularly with the arrival of solutions to IP telephony.
Convergence of the operators of telecommunications with the ISP, is between the fixed telephone, mobile, Internet and television across offers Quadruple play.
The main objective of the IP telephony is to reduce operating costs.
Indeed, with this offer, the user is more dependent on the carrier for internal calls. Reduces even the charges on long distance calls through the IP network.
In order to keep their customer base, and gain more market share, ISPs and cable operators do not cease to develop additional services.
In parallel with the Quadruple play, also known as five-time play. The latter presents different services depending on the provider.
The fifth service can be : the game online, services through the Wi - Fi network, or else the Powerline online.
Tomorrow our phone will switch automatically, depending on the place of use and without us knowing, on the most suitable modes of telecommunications,
as the WiFi and the WiMAX.