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Mark Edwards Principal Staff Engineer Motorola CGISS European System Design Centre

Release 2. TETR A Release 2 Overview. Mark Edwards Principal Staff Engineer Motorola CGISS European System Design Centre. 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

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Mark Edwards Principal Staff Engineer Motorola CGISS European System Design Centre

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  1. Release 2 TETRA Release 2 Overview Mark Edwards Principal Staff Engineer Motorola CGISS European System Design Centre

  2. 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! Motorola

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

  4. 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 Motorola

  5. Evolution: Applications vs. TETRA today Not suitable Suitable Effective Motorola

  6. Flexible data rates and spectrum use 25, 50, 100 and 150 kHz channels bandwidths Can trade off data rate, spectrum and range TETRA Enhanced Data Service - TEDS • Backward compatible with TETRA Release 1 • Network integration capability • 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 Motorola

  7. 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 Motorola

  8. 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) Motorola

  9. 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 Motorola

  10. 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 Motorola

  11. TETRA2 brings new capabilities … to Fire Motorola

  12. TETRA2 brings new capabilities … to Ambulance Motorola

  13. Other Additional Applications of TETRA 2 Motorola

  14. The Power of TETRA 2 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 Motorola

  15. 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 Motorola

  16. TETRA 2 Data Application influences Cell Handover Motorola

  17. 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 Motorola

  18. 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 Motorola

  19. 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 Motorola

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

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