TETRA TACTICAL DIGITAL MOBILE RADIO SYSTEM TETRATAC STT115GENERAL OPENED VIEW RADIO BASE STATION SWITCHING UNIT SAT ASSEMBLY (OPT.

Transcription

1 > Avionics CNI > Professional Communications > Military & Space OPENED VIEW SWITCHING UNIT RADIO BASE STATION SAT ASSEMBLY (OPT.) TETRA TACTICAL DIGITAL MOBILE RADIO SYSTEM TETRATAC STT115GENERAL TETRATAC STT-115 is the Selex new generation digital tactical trunked mobile radio system complying with TETRA V+D Standard. Thanks to the wide range of available functions, services and features, the TETRATAC system can satisfy the needs of a variety of professional users encompassing the emergency security services and military applications such as peacekeeping missions and rapid reaction actions. TETRA is a telecommunications standard for Private Mobile Radio (PMR) systems developed by ETSI (European Telecommunications Standardisation Institute) as a European answer to the evolving needs of PMR Operators that have to cope with traffic congestion and a growing demand for speech and data services especially designed for professional communications. The evolution of digital technology gives a way out of this situation allowing high spectrum efficiency and coexistence with present analogue systems. STT-115 is the Selex new generation rugged digital tactical trunked mobile radio system complying with TETRA V+D Standard MAIN FEATURES New generation digital tactical trunked mobile radio system Complying with ETSI TETRA Voice+Data Standard Provision of advanced network and subscriber services Half and full duplex voice, data and video transmission Protection with encryption of all communications High reliability due to the capability to implement meshed topologies Fall back operation Integration in public ITU-T and military EUROCOM and STANAG standard Networks Radio CNR integration (CNRA) NETWORK ELEMENTS SWITCH CONTROL NODE The SCN is the network element that has the highest capabilities in terms of switching, networking and database management of mobile subscribers. It has interfaces to Radio Base Stations, Dispatchers, management system, and other STT115 switches. RADIO BASE STATION The Radio BS is responsible for connecting all terminals operating inside its own radio coverage area (cell).

2 During normal operations, the BS is directly connected to and controlled by the relevant SCN. Connection with mobile terminals is achieved by radio coverage that is compliant with the TETRA Standard Air Interface Protocol. SECURITY MANAGEMENT SOFTWARE This SW kit allows providing the TETRATAC system with specific security features, like as customized solutions for Air Interface Encryption and End-to-End Encryption. Both encryption algorithms, natively based on ETSI standards, can be modified on request to Customers needs. The SMS package, in its full extension, includes the AIE and ETE customized algorithms, the relevant downloading packages to properly set-up the switches (SCN), the base stations (RBS) and the terminals, the overall key management system (generation and distribution facilities). It must be noted that this kit does not require dedicated HW platforms; it can therefore be installed on standard TETRA equipment without HW modifications or add-on s. GATEWAY SWITCH The GW switch is based on a dedicated TDM switch capable of connecting Eurocom and STANAG based wide area systems (WAS). Il also allows for integration with satellite bearers and Combat Net Radios (CNR). It can be physically accommodated into the SCN enclosure and be connected to it through an E1 port. MANAGEMENT SYSTEM & DISPATCHER TETRA Management System and Dispatcher is a software application running on Multimedia Data Terminals (MDT) contained in the Network Control Centre (NCC). MDT consists of a laptop PC, a voice Phone and optionally a Dispatcher Audio Console (DAC). TMS-D functions listed above are classified as Element Manager Functions, according to the terminology adopted by ITU (TMN M.3010). CLOSED VIEW TERMINALS Two kinds of terminals are available in the TETRATAC System: Portable and Vehicular Terminals. They both can operate in either Trunked or Direct Mode, allowing Voice and Data communications both in Half- and Full-Duplex Mode. The terminals are standard TETRA terminals; depending on specific security requirements, they can accommodate AIE and ETE customized algorithms. TETRATAC NETWORK DISPATCHER & NMS OPERATOR CONSOLE TETRATAC has been conceived to provide mobility to subscribers of already available Fixed Private Networks. In particular, in the case where the Fixed Network is compliant with EUROCOM Standard, from the customer point of view, the system acts as a mobile extension of the EUROCOM network. The system - when equipped with the GW switch - provides the requested connectivity with various interfaces (ISDN PRI, ISDN BRI, STANAG and STANAG 5040, STANAG 4290, etc), while the 2Mbits connection inside SCN provides the possibility to establish up to 31 concurrent calls between mobile-to-mobile or mobile-to-fixed users. The following operational features are supported: Direct mode amongst terminals Stand-alone STT115 System Base Station in fallback mode STT115 System 1 connected to System 2 in transparent mode, via Selex GW Switch to increase the covered area (with the two areas near to or distant from each other maintaining all TETRA services and Hand-Over capability) STT115 System with external connection to other civil and military network and satellite (with GW switch ) TETRATAC System allows mobile subscribers to set up voice and data, individual and multiple, mobile-to-mobile and mobile-to-fixed subscriber calls. The term fixed subscriber identifies both a user not equipped with a TETRA terminal but connected to a TETRATAC System (via Military Selex GW switch local connections) and a user belonging to any network connected to the TETRATAC System.

3 VEHICULAR TERMINAL SYSTEM ARCHITECTURE The TETRATAC system is composed of: One or mode STT115 switches One or more Radio BS connected to the STT115-SCN directly or remotely via WAS network A set of portable and vehicular terminals One or more gateway switches (option), that can be fitted into the switching control nodes carrying cases One LAN Dispatcher (LDS) comprising a DAC (optional) plus a rugged portable computer (Network Control Centre: NCC) PORTABLE TERMINALS

4 MAIN FEATURES TETRA FEATURES (Std.) HD/FD voice FD data single and multi slot up to b/s HD data single and multi slot up to b/s Direct and trunked mode BS Fall Back mode ETSI TETRA gateway feature on Vehicular unit ETSI TETRA repeater feature on Vehicular unit ETSI TETRA standard Air Interface Encryption End To End Encryption both on voice calls or data calls Group calls Short Data Service TETRATAC SYSTEM LEVEL FEATURES (Fixed/Tetra Mobile users interworking, through GW) HD/FD voice with fixed side PTT management, EUROCOM/STANAG compatible TETRA-Single channel CNR radio interworking with selective calls capabilities

5 FD data single and multi slot up to b/s interworking between fixed network and TETRA MOBILE Automatic FD/HD management on call set-up basis STANAG/Eurocom priority and pre-emption management integrated between fixed and Tetra mobile users Security management STANAG/Eurocom compatible; system allows on a call-setup basis data or voice communications in: - Clear mode - End-to-End encrypted mode - Secure mode: communication is routed to secure path in the fixed network and encrypted in the path Fixed network interface to Tetra Mobile terminal Conference Broadcast Embedded IP Mapping on mobile/fixed network: almost every IP based application can be mapped on TETRATAC subsystem ( , ftp, C2I, situational awareness, etc) Slow video and mobile-dedicated application available Interface toward external network (via GW): - Analogue Public Network lines - ISDN BRI or PRI lines - Eurocom IA1 and EES Gateway - Stanag 4206/ Stanag Stanag Satellite Embedded satellite IF interface with RF section (KU or SHF) available as option TECHNICAL CHARACTERISTICS Switch Control Node The Switch Control Node (STT115-SCN) is contained in two cases IEC68 and FINABEL 2.C.10 Para. 37 compliant. Depending on traffic statistics, the STT115-SCN can manage up to 8 BS (24 carriers) and 3000 subscribers. Normal Operation Absorption: 48V DC Mechanical/Environmental Characteristics: Rain and Dust Resistance: according to MIL Finabel 2C10-10 to 50 oc Mechanical Characteristics: according to IEC 68 and FINABEL 2.C.10 Para 37 Weight: ~75 kg. Electromagnetic Compatibility: according to MIL-STD-461D, Part 4, Class A.3 Military Selex GW Switch The Military Selex GW Switch supplies interoperability services towards external networks. Typical Operation Absorption: 60W (depending on configuration) Mechanical/Environmental Characteristics: Rain and Dust Resistance: according to MIL Finabel 2C10-40 to 55 oc Mechanical Characteristics: fitted to be installed in shelter, on wheeled or tracked vehicles, in field tent or fixed. Electromagnetic Compatibility: according to MIL-STD-461D, Part 4, Class A.3 Base Station The Base Station (STT115-RBS) is contained in two cases IEC68 and FINABEL 2.C.10 Para 37 compliant. Operating Band TX: 390 to 395 MHz or 395 to 400 MHz (851 to 870 MHz) Operative Band RX: 380 to 385 MHz or 385 to 390 MHz (806 to 825 MHz) Maximum operable Band: 5 MHz (19 MHz) Duplex Spacing Tx Rx: 10 MHz (45 MHz) Channel Spacing: 25 khz Modulation Scheme: ϖ /4 DQPSK RF Power: 40W per carrier, adjustable Number of TRX: up to 4 carriers Receiver Static Sensitivity: BER = 4% Receiver Dynamic Sensitivity: BER = 4% Receiver Class: A (According to TETRA Standard) Space Diversity System (optional): 2 RX antennas Normal Operation Absorption: 48V DC

6 Mechanical/Environmental Characteristics Rain and Dust Resistance: according to MIL Finabel 2C10-10 to 50 oc Mechanical Characteristics: according to IEC 68 and FINABEL 2.C.10 Para 37 Weight: ~70 kg. According to MIL-STD-461D, Part 4, Class A.3 Vehicular Terminals The vehicular Terminal is capable of installation in a wide range of vehicles. Vehicular terminals consist of two modules, connected by a cable, in order to allow remote mounting, as each module may be installed in different places in the vehicle. In particular, the two modules are: the command front panel, to be installed in the cockpit at operator disposal, and the transceiver, to be installed inside or outside the vehicle. Vehicular terminals has a standard back-lit telephone numerical keyboard, function, emergency and PTT (Push-to-Talk) keys, alphanumerical display, and switch on/switch off, volume adjustment and group selector commands. The alphanumerical display is graphic, 160x80 pixel, and it has 3 rows, each one consisting of 12 characters and a series of graphic symbols. By serial PEI interface connector, having electrical standard in accordance with RS232, it is possible to connect the terminal to a Multimedia Data Terminal. Operating Band RX: Operating Band TX: Maximum Operable Band: Duplex Spacing Tx Rx: Channel Spacing: Modulation Scheme: /4 DQPSK 390 to 395 MHz or 395 to 400 MHz (851 to 870 MHz) 380 to 385 MHz or 385 to 390 MHz (806 to 825 MHz) 5 MHz (19 MHz) 10 MHz (45 MHz) 25 khz Output Power: 10W Receiver Static Sensitivity: % Receiver Dynamic Sensitivity: % Receiver Class: A (According to Tetra Standard) Absorption Power: 18W in standby Mechanical/Environmental Characteristics: Weight: 7.5 kg Rain and Dust Resistance: ETS C to +55 C Mechanical Characteristics: IEC 68 Electromagnetic Compatibility: according to ETSI EN and ETSI EN Portable Terminals The portable terminal has a standard back-lit telephone numerical keyboard, function, emergency and PTT (Push-to-Talk) keys, alphanumerical display, and switch on/switch off, volume adjustment and group selector commands. The alphanumerical display is graphic, 94x64 pixel, and has 3 rows, each one consisting of 11 characters and a series of graphic symbols. By serial PEI interface connector, having electrical standard in accordance with RS232, it is possible to connect the handheld terminal to a Multimedia Data Terminal. Operating Band RX: 390 to 395 MHz or 395 to 400 MHz (851 to 870 MHz) available on request Operating Band TX: 380 to 385 MHz or 385 to 390 MHz (806 to 825 MHz) available on request Maximum Operable Band: 5 MHz (19 MHz) Duplex Spacing Tx Rx: 10 MHz (45 MHz) Channel Spacing: 25 khz Modulation Scheme: ϖ /4 DQPSK Output Power: 1 W Receiver Static Sensitivity: % Receiver Dynamic Sensitivity: % Receiver Class: B (According to Tetra Standard) Battery Range: 19h in standby

7 Mechanical/Environmental Characteristics: Weight with long range battery: 530g Rain and Dust Resistance: ETS C to +55 C Mechanical Characteristics: IEC 68 Electromagnetic Compatibility: According to ETSI EN and ETSI EN Security Management Software (SMS) Encryption Algorithm Authentication: Air Interface Encryption (AIE): End-To-End Encryption (E2E): Both static authentication (class 2) and dynamic authentication (class 3) is available - TEA1, TEA2 algorithm available - Personalized algorithm can be developed by customer - Custom algorithm, NATO and NAtional approved - Personalized algorithm can be developed by customer through Selex support services Customer Algorithm: HW /SW requirements On RBS: On SCN: On terminals: Custom Algorithms can be developed and downloaded in the system the customer; S can provide proper tools (SDK) for customizing both AIE and E2E AIE management modules on RBS TSU and TRX Keys hosting (both AIE and E2E) modules on TIU Proper Firmware and configuration of standard terminals will be installed; if terminal is opened, all the FW devices are automatically erased Key Management KMC/KMT Keys generation: FILL gun: a proper SW Kit is provided for generation of KEY both on AIE and E2E; the kit is based on a Windows SW application and a HW board for KEY generation/hosting a proper Windows based SW application or a HW PDA based platform on is provided; however keys are encrypted by KMC/KMT before memorizing in the fill gun

8 For more information please Selex ES S.p.A - A Finmeccanica Company This publication is issued to provide outline information only and is supplied without liability for errors or omissions. No part of it may be reproduced or used unless authorized in writing. We reserve the right to modify or revise all or part of this document without notice Copyright Selex ES S.p.A. CODE: e-ms-it-092/v1/06/y