TETRA Release 2 Overview Mark Edwards Principal Staff Engineer Motorola CGISS European System Design Centre November 2002

TETRA release one in use today What is TETRA 2 High Speed Data? TETRA 2 opens a world of applications Future vision: the application world after TETRA 2 Where are we in real life! November 2004 Motorola

Does TETRA1 handle data? Database look up AVL Email File transfer Limited slow scan video But multimedia applications are more difficult…. November 2004 Motorola

Mission Critical Data Applications on TETRA Today’s applications need data capacity Frequent messages, small payload: AVLS from portables and vehicles Database access Status messaging But some applications starting to need more data throughput Less frequent messages, much bigger payloads Mug shots File transfer Slow scan video TETRA Single Slot Packet Data TETRA Multi Slot Packet Data November 2004 Motorola

Evolution: Applications vs. TETRA today TETRA 1 Circuit Data TETRA 1 Short Data Services Single Slot Packet Data TETRA 1 Multi-slot Packet Data TETRA 2 High Speed Data Database search AVL Email File transfer e.g Still images Slow scan video QoS managed video Not suitable Suitable Effective November 2004 Motorola

TETRA Enhanced Data Service - TEDS Backward compatible with TETRA Release 1 Network integration capability Flexible data rates and spectrum use 25, 50, 100 and 150 kHz channels bandwidths Can trade off data rate, spectrum and range Integrated TETRA 1 and TEDS system i.e. can receive TETRA 1 calls on TEDS channels Technology selected for TEDS use Multi-carrier QAM (Quadrature Amplitude Modulation) in all bands D8PSK in 25 kHz TAPS - an alternative technology based on GSM EDGE - has now been abandoned November 2004 Motorola

High Speed Packet Data Deployment TEDS will be the solution for mission critical A range of channel bandwidths available in the standard Offer a single TEDS channel at each site, in addition to TETRA 1 voice channels Provision channel bandwidth based on number of users and their data application requirements The modulation scheme can adapt to radio transmission conditions November 2004 Motorola

How do data, range, bandwidth vary? 600 kb/s Framing Rate 500 kb/s 150 kHz 400 kb/s Modulation schemes 64QAM 16QAM 4QAM D8PSK (25 kHz) 300 kb/s 100 kHz 200 kb/s 50 kHz 100 kb/s 25 kHz Range (km) November 2004 Motorola

How does this compare with TETRA 1? 600 kb/s Framing Rate 500 kb/s 150 kHz 400 kb/s Modulation schemes 64QAM 16QAM 4QAM D8PSK (25 kHz) 300 kb/s 100 kHz 200 kb/s 50 kHz 100 kb/s 25 kHz Range (km) TETRA 1 November 2004 Motorola

The Key Points Modulation scheme can adapt dynamically to RF conditions As soon as the TETRA 1 curve starts to fall off, voice service is gone but data can still work with quite high MER (Message Error Rate) numbers due to retransmissions. For TETRA 1, the packet data coverage can be better than voice coverage For TETRA 2, the same trend is visible November 2004 Motorola

TETRA2 brings new capabilities … to Fire Check floor plans of burning building TETRA 1 Database of plans held on local CD in cab TETRA 2 Updated plans can be downloaded as appliance is en route Fire fighters get latest information Check database of hazardous chemicals Text based results from database search Text and image results from database search Fire fighters get clearer information November 2004 Motorola

TETRA2 brings new capabilities … to Ambulance Transmit an ECG trace from ambulance to doctor in hospital TETRA 1 Transmit compressed ECG TETRA 2 Less compression used means more details on ECG More accurate diagnostic for rare heart conditions Transmit pictures from crash scene so doctors can predict injury type still images or slow scan video More detailed video image Doctors can make more accurate predications November 2004 Motorola

Other Additional Applications of TETRA 2 TETRA 2 Data Application User Benefits Police Mobile surveillance camera that doesn’t alert the suspect Greater detail can prove vital to remotely monitor the operation Transport Live updates of arrival/departures boards More relevant and accurate information to passengers Check image database to see manifests, passenger lists etc Helps reduce smuggling of goods and people Oil, Gas & Utilities Camera monitoring at very remote locations to check on lone workers Increased safety for remote workers Camera monitoring of areas at risk - used to supplement telemetry data Faster and more accurate understanding of events November 2004 Motorola

The Power of TETRA 2 Legend: Circle size = coverage area TETRA 1 + TETRA 2 at 25 kHz TETRA 2 at 150 kHz TETRA 2 at 50 kHz TETRA 2 at 100 kHz TETRA 2 at 100 kHz TETRA 2 at 50 kHz TETRA 2 at 150 kHz Legend: Circle size = coverage area Circle height = data capacity All TETRA 2 sites includes TETRA 1 November 2004 Motorola

Planning for TETRA 2 High channel bandwidth gives high data capacity Supports the high data rates needed by multimedia applications Gives better trunking efficiency for network operators – means lower bills for end users? Application developers need to design for different data rates available under different conditions Handing over seamlessly as user moves around network Being aware of cell reselection criteria November 2004 Motorola

TETRA 2 Data Application influences Cell Handover Application Type Application Requirement Network Requirement TETRA 2 Cell re-selection criteria Non-real time (e.g. Database browsing, image transfer) Medium access time, medium message delivery Best trunking efficiency New cell with highest data capacity Real-time applications (e.g. status) Fast access time, fast message delivery Low error rate on the radio interface New cell with best signal strength November 2004 Motorola

TETRA 2 Standardisation Stable Technical Standard for TETRA 2 due from ETSI by end 2004 The Technical Standard will then enter the Public Enquiry (PE) phase, which is Chance for final comments by those organisations not participating in specification work High-level assessment of the standard, does it meet goals, are goals still valid etc Last minute check of technical details PE comments can be submitted via National Standards Organisations Successful PE phase results in a Harmonised Standard (due Q4 2005) Base Stations and subscribers can be CE marked and placed in the European Economic Area marketplace November 2004 Motorola

Benefits of Integrated Voice and Data in TETRA Voice and data applications on the same radio Less equipment to carry Common security measures for all services Government approved security measures rather than just commercial level Secure authentication and encryption for signalling, voice and data User benefits from high level of security for all data traffic No need to worry about which applications are allowed to use which data service No need to worry that users might be sending sensitive information over unsecured data services November 2004 Motorola

Conclusion TETRA release 1 already enables sophisticated mission critical data applications and is already being used today to save lives TETRA 2 will enhance existing data capabilities and enable new advanced applications Standards are nearly ready, end users should start influencing manufacturers by explaining their future needs and requirements TETRA users and manufacturers need to start planning now and lobbying for TETRA 2 spectrum November 2004 Motorola

TETRA is an expanding universe From Big Bang through to …TETRA 3 and beyond Come back next year to see what happens…. November 2004 Motorola