8.1.2 NB-IoT Common requirements of test equipment

36.5083GPPCommon test environments for User Equipment (UE) conformance testingEvolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC)Release 17TS

Same common requirements of test equipment as the ones described in section 4.2 apply to NB-IoT with the following exceptions:

– Only FDD Mode is required for Rel-13 and Rel-14 NB-IoT

– Both FDD and TDD Mode are required for Rel-15 and forward NB-IoT

– Supported physical channels for NB-IoT are:

Physical channel

Minimum number

Comments

NPBCH

1

Narrowband Physical Broadcast Channel

NPDCCH

1

The Narrowband Physical Downlink Control channel carries control information.

NPDSCH

1

Narrowband Physical Downlink Shared Channel

NPUSCH

1

Narrowband Physical Uplink Shared Channel

NPRACH

1

Narrowband Physical Random Access Channel

– Supported physical signals for NB-IoT are:

Physical signal

Minimum number

Comments

Narrowband Reference Signal

NA

DL

Narrowband Primary Synchronization Signal

NA

DL

Narrowband Secondary Synchronization Signal

NA

DL

Demodulation Reference Signal

NA

UL

Wake-Up Signal

NA

DL