NB-IoT: Understanding the Basics

Narrowband -Internet of Things (NB-IoT) is the next generation IoT. Is it so? Read on, to find out more!

IoT Communication technologies are making the world smarter and better. The boom of IoT is witnessed in all walks of life and this incredible growth demands better connectivity, improved communication capacity, flexible scheduling, and higher-order modulation. Is it possible? If yes, how? The answer is Narrow Band Internet over Things (NB-IoT)! It is capable to meet all these demands! 

So, what is NB-IoT?

Narrowband IoT (NB‑IoT) or LTE Cat NB1, is the most advanced Low Power Wide Area (LPWA) wireless communication technology standardized by 3GPP cellular technology. It meets IoT’s requirement for LPWAN technologies (Low Power Wide Area Network).  

Since its inception in 2016, it is emerging as the most prominent wireless technology that connects with a wide range of IoT devices including utilities, parking, industries and more. It has been categorized under 5G technology and is known for excellent indoor coverage, cost efficiency, low power consumption and more. Read here 

Characteristic features of NB-IoT 

  • Simplified device complexities
  • Seamless deployment and reduced costs 
  • Better reliability 
  • Industry-best battery life 
  • Long-range connectivity 
  • Wider deployment 
  • Optimized data usage 
  • Open standards 
Simplified device complexities 

NB-IoT uses the existing mobile networks to connect with a wide-range of devices. Besides, it utilizes a small portion of the available cellular spectrum to operate without any interference. 

Seamless deployment and reduced costs 

The protocol can be deployed in an existing cellular networking making the process faster, simple and cost-effective. 

Better reliability 

The whole system operates in regulated spectrum, licensed by reputed service providers. Therefore, it ensures reliability, more quality of service, and industrial-grade security. 

Industry-best battery life 

NB-IoT consumes minimal power for connectivity and to operate. Therefore, it offers battery life of more than 10 years, the industry’s best. 

Long-range connectivity 

It easily supports longer range capabilities of about 35 kilometers for uninterrupted network connectivity and functioning. 

Wider deployment 

The protocol, with lower bitrates and better link budgets, allow direct connectivity to the cloud without gateways. This supports wider deployments across varied applications to sufficiently meet requirements for Massive IoT. 

Optimized data usage 

NB-IoT requires least data transmission to get the job done with reduced IP header and is capable to transmit or receive non-IP data. In comparison to a traditional IP, it reduces data transmission by 30% to 40% percentage.  

Open standards 

This communication protocol is Based on open standards. Therefore, services are not vendor-locked or operator dependent. 

Use cases of NB-IoT 

NB-IoT is among the best technologies known for its indoor penetration capabilities. It uses a narrow bandwidth which increases density of transmission power making its indoor penetration one of the best in the industry. Therefore, its uses cases are vast.

NB-IoT Use Cases
Table 1: Characteristics of NB-IoT 

Specification 

NB-IoT Support 

Bandwidth 

180 KHz (3GPP Licensed)  

Data Rate 

<250 Kbps 

Latency 

1.5 sec-10 sec 

Battery Lifetime 

10+ years 

Range 

Upto 60 miles 

Strong coverage 

Better penetration indoor*  

Massive Scale 

Able to connect more than 100,000 devices in one deployment 

*NB-IoT connectivity has strong coverage in underground or deep within urban infrastructure

Conclusion 

NB-IoT has proven successful in commercial deployments across a wide range of industries.    However, like every new technology, NB-IoT needs to clear multi-stage qualifications before reaching maturity. 



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