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SAMBA promotes the development of a broadband cellular radio extension to the fixed network, allowing the use of broadband fully interactive multimedia services by mobile users. The work focuses on a Trial Platform to test its performance in a trial which will demonstrate the applicability of the Mobile Broadband System (MBS) to user applications.
The SAMBA Trial Platform consists of a digital cellular radio network of two base stations and two mobiles, one being man-portable and one mounted in a vehicle. This trial configuration allows the basic system aspects to be verified: reliable transmission of ATM cells in a mobile radio environment suffering from noise and multi-path interference; also seamless hand-over, which is essential for a cellular system. The Trial Platform will be connected to the fixed broadband network via a standard 155 Mbit/s ATM interface. User applications intended are a wireless TV camera for news gathering and a medical application. A combination of system and user trials will be carried out to obtain the information required for supporting the standardisation work and increasing market awareness of the potential of MBS. The key objectives for SAMBA are to:
- Demonstrate mobile applications at up to 34 Mbit/s.
- Design and realise transparent ATM connections via radio transmission for mobiles.
- Specify and implement medium access, hand-over and radio resource management for a cellular system.
- Develop a portable millimetre-wave transceiver including the antennas for the 40 GHz band.
- Advance the MBS evolution and promote its standardisation.
The main SAMBA result is the proof of the cellular mobile broadband concept. In order to achieve this, an air interface providing reliable transmission of ATM cells and capable of hand-over, location management, medium access control and radio resource management will be validated by the Trial Platform. The user requirements are defined and the target quality of service parameters set, that allowed the specification of the Trial Platform that is now being manufactured. This includes the antennas, millimetre-wave transceiver, base-band processing unit, control unit for the fixed and mobile components, as well as the ATM mobility server modules.
Project URL : System for Advanced Broadband Applications (SAMBA)
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