TETRA Parameter Project 25 TETRA1 IDRA TETRAPOL EDACS FHMA CDMA-PAMR enhanced GoTa data service Channel coding Integrated voice Convolutional Multirate trellis Multirate trellis Convolutional Control Variable rate Convolutional PCCC Convolution and data for codes with coding with coding with codes with BCH/repeat. convolutional with codes for the and Turbo codes FDMA. interleaving plus interleaving plus interleaving plus interleaving Digital voice with long interleaving. with interleaving. payload. BCH code for error detection error detection error detection plus error custom with interleaving, Turbo codes Partitioned network ID. and bit and bit detection repeat. selective priority Reed-Muller Trellis codes for Prioritization/ prioritization Data repeat protection for block codes data. convolutional encoded for the header Golay & codes with bits, partial Hamming codes interleaving plus repetition, and for voice. error detection channel state Reed-Solomon enhanced Viterbi codes for algorithm; error embedded detection (cyclic signals. redundancy Integrated voice check (CRC)) and data for TDMA. TBD for network ID. TBD for data. TBD codes for voice. TBD codes for embedded signals Encipherment Air interface is Not specified Allowed for Yes Not specified, Yes As in Yes security levels Types 1, 2, 3 exportable plus Type 1, 3, 4 designed on a TETRA1 – and 4 authentification. for” See “provisions Plus end-to-end concept specifications encryption user definable up to the highest level of security multi-algorithm Yes Yes Yes Yes Yes – multikey Yes Yes Yes Yes Yes – encipherment Yes Yes Yes No Yes – control over the air Yes Yes Yes Yes Yes – rekeying Handover Yes Yes Option Yes Yes Yes Yes Hand-off (Yes) Yes Yes Intersystem roaming Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes capability
Parameter Project 25 TETRA1 IDRA TETRAPOL EDACS FHMA CDMA-PAMR TETRA enhanced data service GoTa Channel coding Integrated voice and data for FDMA. BCH code for network ID. Trellis codes for data. Golay & Hamming codes for voice. Reed-Solomon codes for embedded signals. Integrated voice and data for TDMA. TBD for network ID. TBD for data. TBD codes for voice. TBD codes for embedded signals Convolutional codes with interleaving plus error detection Multirate trellis coding with interleaving plus error detection and bit Prioritization/ convolutional codes with interleaving plus error detection Multirate trellis coding with interleaving plus error detection and bit prioritization Convolutional codes with interleaving plus error detection Control BCH/repeat. Digital voice custom with repeat. Data repeat Variable rate convolutional with long interleaving, selective priority protection for encoded bits, partial repetition, and channel state enhanced Viterbi algorithm; error detection (cyclic redundancy check (CRC)) Convolutional with interleaving. Turbo codes PCCC codes for the payload. Partitioned Reed-Muller block codes for the header Convolution and Turbo codes with interleaving. Encipherment – security levels – multi-algorithm – multikey – encipherment control – over the air rekeying Types 1, 2, 3 and 4 Yes Yes Yes Yes Air interface is exportable plus authentification. Plus end-to-end encryption user definable up to the highest level of security Yes Yes Yes Yes Not specified Allowed for Yes Yes Yes Yes Yes Type 1, 3, 4 Yes Yes No Yes Not specified, designed on a “provisions for” concept Yes See specifications As in TETRA1 Yes Yes Yes Yes Yes Handover Yes Yes Option Yes Yes Yes Yes Hand-off (Yes) Yes Yes Intersystem roaming capability Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes