TETRA Parameter Project 25 TETRA1 IDRA DIMRS TETRAPOL FHMA CDMA-PAMR enhanced GoTa data service Traffic channel As in 14.4,7.2,3.6,1.8 structure TETRA1 (continued): CRC Alternative rate N/A Rate tbd N/A Half rate N/A N/A – QCELP13K speech codec: tbd Bit rate (kbit/s) 8.0 – Error protection 6.7 – Coding (3:1) N/A – algorithm Defined 7.2 Circuit mode – Up to 4.8/slot None data (kbit/s) 6.1 Up to 19.2 7.467/slot 4.8 4.8 IP Internet – Protected 9.6 Up to 28.8 7.2 9.6 – Connection-oriented, oriented, protocol Non- – IP Internet Yes – (option) connectionless protected protocol connectionless Supports IP and Packet mode – connectionless other network data oriented, standard protocols TCP/IP Messaging X.400 Yes Yes Control channel Slot See specifications – structure (number of information See 3 (for Common channel types): channel: 1 5 specifications control channels) Primary – Common control 2 2 1 5 1 1 TDMA slot As in – 1-7 (for Associated control channel downlink TETRA1 control channels) channel: 3 control, 3 slot Associated – 1-7 (for Broadcast Temporary – 3 3 2 2 1 uplink access As in control channel control channels) control Slow TETRA1 Broadcast control – channel: 1 2 2 1 1 1 associated, channel Dedicated – (Option: 5) 450 bit/s; fast As in control associated cycle TETRA1 channel: 1 stealing Associated – Provided control channel: 1 Use of Delay spread A 50 Class A no A no Class A 39.8 No equalization Class A 52 Class A no See specifications – – – – – – equalization Class Q 50 equalization equalization without equalizer needed Class Q 52 equalization See – – channels capability (s)(6) Class B 55.5 Class B no Class B 65.5 Class B no specifications – – – – eliminates the Class Q 111.1 equalization without equalizer equalization – need for Class Q N/A Class Q N/A Class Q no – – – equalization equalization in channels. PSK channels same as TETRA1
Parameter Project 25 TETRA1 IDRA DIMRS TETRAPOL FHMA CDMA-PAMR TETRA enhanced data service GoTa Traffic channel structure (continued): – Alternative rate speech codec: – Bit rate (kbit/s) – Error protection – Coding algorithm – Circuit mode data (kbit/s) – Protected – Non- protected – Packet mode data N/A 6.1 9.6 IP – Internet protocol Rate tbd Up to 19.2 Up to 28.8 N/A Up to 4.8/slot 7.467/slot Connection-oriented, (option) connectionless 8.0 6.7 (3:1) 7.2 None connectionless Supports IP and other network protocols Half rate tbd 4.8 7.2 Yes N/A N/A IP – Internet protocol Defined 4.8 9.6 connectionless oriented, standard TCP/IP N/A As in TETRA1 14.4,7.2,3.6,1.8 CRC QCELP13K Messaging X.400 Yes Yes Control channel structure (number of channel types): – Common control channel – Associated control channel – Broadcast control channel 2 3 2 2 3 2 1 2 1 (Option: 5) – Slot information channel: 1 – Primary control channel: 3 – Temporary control channel: 1 – Dedicated control channel: 1 – Associated control channel: 1 5 2 1 1 1 1 5 1 TDMA slot downlink control, 3 slot uplink access Slow associated, 450 bit/s; fast associated cycle stealing Provided See specifications As in TETRA1 As in TETRA1 As in TETRA1 See specifications 3 (for Common control channels) 1-7 (for Associated control channels) 1-7 (for Broadcast control channels) Delay spread equalization capability (s)(6) A – 50 Class Q – 50 Class A – no equalization Class B – 55.5 Class Q – 111.1 A – no equalization Class B – no equalization Class Q – N/A Class A – 39.8 without equalizer Class B – 65.5 without equalizer Class Q – N/A No equalization needed Class A – 52 Class Q – 52 Class A – no equalization Class B – no equalization Class Q – no equalization See specifications Use of channels eliminates the need for equalization in channels. PSK channels same as TETRA1 See specifications oriented,