Design software leads way to NB-IoT standard

Posted By : Mick Elliott

SystemVue 2017 is making a significant contribution to the narrowband internet of things (NB-IoT) standard says Keysight Technologies. The simulation platform for system design and verification enables users to combine existing baseband, RF, and channel models together for evaluation of the entire system.

The improvement realised using SystemVue, optimises the NB-IoT user equipment (UE) standard to facilitate the implementation of low-power NB-IoT terminal chips and will be incorporated in Release 13 (revised version) and 14 of the 3GPP standard.

NB-IoT is an emerging narrowband wireless communication standard developed to enable a wide range of new IoT devices and services.

The standard specifies low-cost and low-power implementation for massive deployment and long battery life.

While designing an NB-IoT terminal transceiver, experts from Hong Kong Applied Science and Technology Research Institute (ASTRI) discovered an improper definition in the NB-IoT standard’s receiver wideband intermodulation requirement.

The requirement was more stringently specified than that in the LTE standard, which runs counter to the promise of offering low-cost/low-power NB-IoT terminals.

A system-level simulation platform, based on Keysight EEsof EDA’s SystemVue software and NB-IoT library (developed in collaboration with ASTRI), provided the critical evidence needed for ASTRI to successfully request a standard change at the 3GPP RAN4 #82 meeting in Athens, Greece in February.

The change was fully accepted by delegates from many different companies.

“As an early and active participant in 3GPP NB-IoT standardisation, ASTRI is pioneering development of NB-IoT terminal transceiver IP for the worldwide market,” said Tom Lillig, general manager for Keysight’s Design Engineer Software organisation. “SystemVue software has, and continues to play, a critical role in that development by providing ASTRI the capabilities it needs to fully evaluate its’ transceiver IP at the system level. Without such capabilities, issues like the improper NB-IoT standard definition could have easily be overlooked, detrimentally impacting the standard’s use and proliferation.”

“ASTRI benefited greatly from Keysight’s timely and efficient SystemVue simulation platform during our NB-IoT terminal transceiver IP and chip development,” said Dr. Meikei Leong, chief technology officer of ASTRI. “Our collaboration with Keysight not only improved the worldwide NB-IoT standard, but also helped us catch golden opportunities in the NB-IoT terminal market.”



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