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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 Allowed LTE resource blocks (in-band) LTE system bandwidth 3 MHz 5 MHz 10 MHz 12 MHz 20 MHz LTE PRB indices for NB-IoT synchronization 02,12 02, 07, 17, 22 04, 09, 14, 19, 30, 35, 40, 45 02, 07, 17, 22, 27, 32, 42, 47, 52, 57, 62, 67, 72 04, 09, 14, 19, 24, 29, 34, 39, 44, 55, 60, 65, 70, 75, 80, 85, 90, 95 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 m 3 Pets Smart meter Connected bike Smart can Smart suitcase Smoke detector eDRX TX RX sleep RRC idle mode Paging time window (PTM) e.g. send Power consumption eDRX cycle length RRC connected RRC connected (eMTC: 5.12 s; 10.24 s … 2621.44 s) (NB-IoT: 20.48 s; 40.96 s … 10 485.76 s) LTE in-band operation LTE guardband operation Standalone operation Uplink SC-FDMA 3.75 kHz 15 kHz Downlink OFDMA 15 kHz 180 kHz PSM (…; 54 min; …; 310 hours; …) TX RX sleep Power saving mode T3324 T3412 extended value Power consumption Idle RRC connected RRC connected NB-IoT link channel assignment CCCH DCCH DTCH RACH UL-SCH NPRACH NPUSCH CCCH DCCH DTCH BCH DL-SCH NPDCCH PCCH BCCH PCH NPDSCH NBCH logical transport physical Opt. Opt. Uplink Downlink Coverage enhancement Introduction of coverage enhancement (CE) levels CE0, 1 and 2 specifying: ❙ Number of repetitions of physical access channels ❙ Number of allowed attempts (NPRACH ❙ Time window size for ■ Random Access Response (RAR) ■ Contention Resolution (CR) Initial CE level defined based on signal measure- ments can be changed in case that the access failed Time Window RAR UE eNB Broadcast Random access preamble max 128 repetitions Random access response max 2048 repetitions ● ● ● ● ● ● PD 5215.1024.82 V01.00 5215102482 Be ahead in connecting everything – Narrowband IoT (NB-IoT) www.rohde-schwarz.com/IoT R&S®CMW wideband radio communication tester Perform RF parametric tests and protocol confor- mance 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; LwM2M = lightweight M2M (OMA standard); MME = mobility management entity; MQTT = message queue telemetry transport (ISO standard); NB-IoT = narrowband 3GPP technology for IoT; OFDMA = orthogonal frequency division multiplexing access; OneM2M = common M2M service layer specified by oneM2M partner; P-GW = PDN gateway; PSM = power saving mode (3GPP); SCEF = service capability exposure function; SC-FDMA = single carrier - frequency division multiple access; 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 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®TSMA mobile network scanner R&S®ROMES4 drive test software Enable network rollout and verify network coverage with NB-IoT network scanning Smart agriculture Smart home Telematics Smart city Smart factory Healthcare R&S®CMW290 functional radio communication tester Measure fundamental RF characteristics and perform functional end-to-end tests R&S®SMW200A vector signal generator R&S®FSW signal and spectrum analyzer Generate and analyze NB-IoT signals for testing base stations and devices

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Page 1: Be ahead in connecting everything - Narrowband IoT (NB · PDF fileLTE system bandwidth 3 MHz 5 MHz 10 MHz 12 MHz 20 MHz ... Opt. Uplink Downlink ... Be ahead in connecting everything

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

Allowed LTE resource blocks (in-band)LTE system bandwidth 3 MHz 5 MHz 10 MHz 12 MHz 20 MHzLTE PRB indices for NB-IoT synchronization

02,12 02, 07, 17, 22

04, 09, 14, 19, 30, 35, 40, 45

02, 07, 17, 22, 27, 32, 42, 47, 52, 57, 62, 67, 72

04, 09, 14, 19, 24, 29, 34, 39, 44, 55, 60, 65, 70, 75, 80, 85, 90, 95

cloTUE

S1-U S5 SGi

Rest APISCEFMME

P-GWS-GW

cloTBS

IP messages via c-plane

Non-IP messages via c-plane

IP/non-IP messages via u-plane

S1-MME T6a

m3

Pets

Smart meter

Connected bike

Smart can

Smart suitcase

Smoke detector

eDRX

TX

RXsleep

RRC idle mode

Paging time window (PTM)

e.g. send

Pow

er c

onsu

mpt

ion

eDRX cycle lengthRR

C co

nnec

ted

RRC

conn

ecte

d

(eMTC: 5.12 s; 10.24 s … 2621.44 s)(NB-IoT: 20.48 s; 40.96 s … 10 485.76 s)

LTE in-band operation

LTE guardband operation

Standalone operation

Uplink SC-FDMA3.75 kHz 15 kHz

Downlink OFDMA15 kHz

180 kHz

PSM

(…; 54 min; …; 310 hours; …)

TX

RXsleep

Power saving mode

T3324

T3412 extended value

Pow

er c

onsu

mpt

ion

Idle

RRC

conn

ecte

d

RRC

conn

ecte

d

NB-IoT link channel assignment

CCCH DCCH DTCH

RACH UL-SCH

NPRACH NPUSCH

CCCH DCCH DTCH

BCH DL-SCH

NPDCCH

PCCH BCCH

PCH

NPDSCH NBCH

logical

transport

physical

Opt. Opt.

Uplink Downlink

Coverage enhancementIntroduction of coverage enhancement (CE) levels CE0, 1 and 2 specifying: ❙ Number of repetitions of physical access channels

❙ Number of allowed attempts (NPRACH ❙ Time window size for

■ Random Access Response (RAR) ■ Contention Resolution (CR)

Initial CE level defined based on signal measure-ments can be changed in case that the access failed

Tim

e W

indo

w R

AR

UE eNB

Broadcast

Random access preamblemax 128 repetitions

Random access responsemax 2048 repetitions

●●●

●

●

●

PD

521

5.10

24.8

2 V

01.0

0

5215102482

Be ahead in connecting everything – Narrowband IoT (NB-IoT)

www.rohde-schwarz.com/IoT

R&S®CMW wideband radio communication testerPerform RF parametric tests and protocol confor-mance tests with a single-box solution

R&S®CMWrun sequencer software toolR&S®RT-ZVC04 multi-channel power probeMeasure 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; LwM2M = lightweight M2M (OMA standard); MME = mobility management entity; MQTT = message queue telemetry transport (ISO standard); NB-IoT = narrowband 3GPP technology for IoT; OFDMA = orthogonal frequency division multiplexing access; OneM2M = common M2M service layer specifi ed by oneM2M partner; P-GW = PDN gateway; PSM = power saving mode (3GPP); SCEF = service capability exposure function; SC-FDMA = single carrier - frequency division multiple access; S-GW = serving gateway; SMS = short message service; TLS = transport layer security

R&S®CMW100 communications manufacturing test setOptimize high-volume manufacturing with non-signaling testing of IoT devices

R&S®RTO/RTE digital oscilloscopeR&S®RT-ZVC02/-ZVC04 multi-channel power probesDebug power consumption of IoT devices with the high- accuracy 18 bit multichannel current and voltage probe

R&S®TSMA mobile network scannerR&S®ROMES4 drive test softwareEnable network rollout and verify network coverage with NB-IoT network scanning

Smart agriculture

Smart home

Telematics

Smart city

Smart factory

Healthcare

R&S®CMW290 functional radio communication tester Measure fundamental RF characteristics and perform functional end-to-end tests

R&S®SMW200A vector signal generatorR&S®FSW signal and spectrum analyzerGenerate and analyze NB-IoT signals for testing base stations and devices

FSW_CMW_po_Be_ahead_in_connecting_everything_5215-1024-82_v0100.indd 1 06.10.2017 10:44:10

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