New milestones reached in radiocommunications

Date: Mon, 02/06/2012 - 13:04

ITU Radiocommunication Assembly concludes
New milestones reached in radiocommunications ITU Radiocommunication Assembly, Geneve

The ITU Radiocommunication Assembly concluded after deliberating for a week on new directions in radiocommunications. Held every three to four years, the Radiocommunication Assembly deliberated the future direction of radiocommunications and reached significant decisions that will impact the future of radiocommunications worldwide in an increasingly wireless environment.
The Radiocommunication Assembly (RA-12) was chaired by Mr A.R. Jamieson (New Zealand). Over 500 participants from 102 countries attended the Assembly.
RA-12 approved a series of Recommendations and Resolutions that established the IMT-Advanced technologies and initiated further studies for the development of global mobile broadband communications.
ITU Secretary-General Hamadoun Touré said, “The Radiocommunication Assembly, like the World Radiocommunication Conference starting next week, represents an important landmark in the life of ITU’s Radiocommunication Sector. This Assembly has once again demonstrated the central role that the Radiocommunication Sector plays in the global development of information and communication technologies.”

IMT-Advanced: New milestone in global mobile broadband
Specifications for the next step in mobile broadband wireless technology – IMT-Advanced – were agreed by the Assembly.
With the completion of an intensive programme developed by ITU’s Radiocommunication Sector (ITU-R) to stimulate global development of the future IMT technologies and following a detailed evaluation against stringent technical and operational criteria, ITU has determined that "LTE-Advanced" and "WirelessMAN-Advanced" should be accorded the official designation of IMT-Advanced.
IMT-Advanced systems include new capabilities that go beyond IMT-2000, widely deployed since 2000 and referred to as 3G mobile technology. ITU has now specified the standards for IMT-Advanced, the next step in global wireless broadband communications.
IMT-Advanced provides comprehensive support for broadband wireless data and brings major improvements. These include increased spectrum efficiency to handle more users at higher data rates per radio channel; a fully packet-based architecture for reduced costs; lower latency leading to more responsive Internet and multimedia applications; improved radio resource management and control to enhance quality of service, and new capabilities for the radio interface such as wideband radio channels and multiple-input and multiple-output  (MIMO) for the use of multiple antennas at both the transmitter and receiver end to improve communication performance.

Continuous time standard
The RA-12 also decided to conduct further studies related to the development of a continuous time standard in order to address the concerns of countries that use the current system of the leap second in Coordinated Universal Time (UTC). The decision was reached to ensure that all the technical options related to the issue are fully addressed. These studies will involve further discussions within the ITU membership and with other organizations that have an interest in the matter related to the suppression of the leap second and will be referred to the next Radiocommunication Assembly and World Radiocommunication Conference scheduled for 2015.

Radiocommunication Assembly sets plans for future technologies
RA-12 also approved Resolutions to focus studies on new radiocommunication techniques and applications, such as cognitive radio systems, and on the potential for radiocommunications to act as a catalyst to reduce the impact of human activity on the environment.
RA-12 also agreed on changes to streamline the working methods of the ITU Radiocommunication Sector in adopting recommendations and elected the chairmen and vice-chairmen of the Study Groups that will conduct the work in the next four years. 
The Radiocommunication Assembly provides the necessary technical bases for the work of the World Radiocommunication Conferences, sets future work programmes on many technical issues of a worldwide character in the field of radiocommunications, and approves worldwide radiocommunication standards (ITU-R Recommendations).

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