1
IoT protocol stacks LwM2M oneM2M CoAP MQTT HTTP DTLS/TLS UDP/TCP/SCTP IPv4/6 SMS Service capability exposure function (SCEF) Communication Triggering Data delivery High latency Group Subscription Identity Monitor Context Presence Location Services Control Security N/W control cloT UE S1-U S5 SGi Rest API SCEF MME P-GW S-GW cloT BS IP messages via c-plane Non-IP messages via c-plane IP/non-IP messages via u-plane S1-MME T6a Surveillance Health monitor Vehicle Smart lock Smart watch Container eDRX TX RX sleep RRC idle mode Paging time window (PTM) e.g. send Power consumption eDRX cycle length RRC connected RRC connected (LTE-M: 5.12 s; 10.24 s … 2621.44 s) (NB-IoT: 20.48 s; 40.96 s … 10 485.76 s) Supported LTE bands E-UTRA half-duplex and full-duplex FDD bands (in MHz): 1) UL: 1920 to 1980 DL: 2110 to 2170 2) UL: 1850 to 1910 DL: 1930 to 1990 3) UL: 1710 to 1785 DL: 1805 to 1880 4) UL: 1710 to 1755 DL: 2110 to 2155 5) UL: 824 to 849 DL: 869 to 894 7) UL: 2500 to 2570 DL: 2620 to 2690 8) UL: 880 to 915 DL: 925 to 960 9) UL: 1749.9 to 1784.9 DL: 1844.9 to 1879.9 11) UL: 1427.9 to 1447.9 DL: 1475.9 to 1495.9 12) UL: 699 to 716 DL: 729 to 746 13) UL: 777 to 787 DL: 746 to 756 14) UL: 788 to 798 DL: 758 to 768 15) UL: 1900 to 1920 DL: 2600 to 2620 (Europe only) 16) UL: 2010 to 2025 DL: 2585 to 2600 (Europe only) 17) UL: 704 to 716 DL: 734 to 746 18) UL: 815 to 830 DL: 860 to 875 19) UL: 830 to 845 DL: 875 to 890 20) UL: 832 to 862 DL: 791 to 821 21) UL: 1447.9 to 1462.9 DL: 1495.9 to 1510.9 25) UL: 1850 to 1915 DL: 1930 to 1995 26) UL: 814 to 849 DL: 859 to 894 27) UL: 807 to 824 DL: 852 to 869 28) UL: 703 to 748 DL: 758 to 803 31) UL: 452.5 to 457.5 DL: 462.5 to 467.5 66) UL: 1710 to 1780 DL: 2110 to 2200 71) UL: 663 to 698 DL: 617 to 652 72) UL: 451 to 456 DL: 461 to 466 73) UL: 450 to 455 DL: 460 to 465 74) UL: 1427 to 1470 DL: 1475 to 1518 85) UL: 698 to 716 DL: 728 to 746 E-UTRA TDD bands (in MHz): 39) UL, DL: 1880 to 1920 40) UL, DL: 2300 to 2400 41) UL, DL: 2496 to 2690 LTE-M in-band multiplexed NB#0 NB#1 NB#2 NB#4 NB#6 NB#3 NB#5 NB#7 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz 15 25 50 75 100 2 4 8 12 16 Bandwidth (BW) Resource blocks (RBs) Number of narrowbands LTE carrier e.g. 10 MHz bandwidth | 50 RBs | 8 NBs PSM (…; 54 min; …; 310 hours; …) TX RX sleep Power saving mode T3324 T3412 extended value Power consumption Idle RRC connected RRC connected LTE-M link channel assignment Coverage enhancement modes Multi-subframe repetitions for physical channels in 4 CE levels Mode A (CE level 0/1) mandatory Mode B (CE level 3/4) optional max. no. of repetitions max. PRBs Cat.M1 Cat.M2 PDSCH MPDCCH 32 256 6 6 24 6 max. no. of repetitions max. PRBs Cat.M1 Cat.M2 PUSCH 32 6 24 248 6 6 PUCCH 8 6 6 32 6 6 PRACH 128 6 6 128 6 6 248 256 6 6 24 6 Frequency hopping Frequency hopping between narrowbands (NBs) in case of repetition in UL and DL 10 ms LTE frame NB NB e.g. multi- subframe frequency hopping across NBs for PUCCH PUCCH PUCCH CCCH DCCH DTCH UL-SCH PUCCH PUSCH BR-BCCH CCCH DTCH DCCH BCH DL-SCH MPDCCH PCCH BCCH PCH PDSCH PBCH logical transport physical RACH PRACH Uplink Downlink PD 5215.8087.82 V02.00 BE AHEAD IN CONNECTING EVERYTHING – LTE-M 5215808782 www.rohde-schwarz.com/IoT R&S®CMW wideband radio communication tester and validated conformance test system Perform RF parametric and protocol tests with a single-box solution R&S®CMWrun sequencer software tool R&S®RT-ZVC04 multi-channel power probe Measure battery consumption correlated with mobile network events precisely Solutions from Rohde & Schwarz – your partner in testing the Internet of Things Glossary: BS = base station; cIoT = cellular IoT; CoAP = constrainted application protocol (IETF standard); DTLS = datagram transport layer security; eDRX = extended discontinuous reception (3GPP); HTTP = hypertext transport protocol (IETF standard); IoT = internet of things; LTE-M = LTE for M2M or MTC; LwM2M = lightweight M2M (OMA standard); MME = mobility management entity; MPDCCH = MTC physical downlink control channel; MTC = machine type communication; MQTT = message queue telemetry transport (ISO standard); NB-IoT = narrowband 3GPP technology for IoT; OFDMA = orthogonal frequency division multiplex- ing access; OneM2M = common M2M service layer specified by oneM2M partner; P-GW = PDN gateway; PBCH = physical broadcast channel; PDSCH = physical downlink shared channel; PSM = power saving mode (3GPP); PRACH = physical random access channel; PUCCH = physical uplink control channel; PUSCH = physical uplink shared channel; SCEF = service capability exposure function; S-GW = serving gateway; SMS = short message service; TLS = transport layer security R&S®CMW100 communications manufacturing test set Optimize high-volume manufacturing with non-signaling testing of IoT devices R&S®RTO/RTE/RTP digital oscilloscope R&S®RT-ZVC02/-ZVC04 multi-channel power probes Debug power consumption of IoT devices with the high- accuracy 18 bit multichannel current and voltage probe R&S®TSMx mobile network scanners and cellular IoT devices SmartBenchmarker local control software Verify and troubleshoot RF coverage and IoT network performance Smart agriculture Smart home Telematics Smart city Smart factory Healthcare R&S®NGL200 and R&S®NGM200 power supply series Accurately measure power consumption of IoT devices with a high dynamic range R&S®SMW200A/SMBV100B vector signal generators R&S®FSW/FSV3000 signal and spectrum analyzers Generate and analyze cellular IoT signals for testing base stations and devices
