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NB-IoT deployment study for low power wide area cellular IoT
Abstract
In 3GPP, a narrowband system based on Long Term Evolution (LTE) has been introduced to support the Internet of Things. This system, named Narrowband Internet of Things (NB-IoT), provides low-cost devices, high coverage (20 dB improvement over LTE/GPRS), long device battery life (more than 10 years), and massive capacity. Latency is relaxed although a delay budget of 10 seconds is the target for exception reports. NB-IoT can be deployed in three different operation modes - (1) stand-alone as a dedicated carrier, (2) in-band within the occupied bandwidth of a wideband LTE carrier, and (3) within the guard-band of an existing LTE carrier. In this paper, we undertake a deployment study of NB-IoT using existing LTE infrastructure. We consider the case when only a fraction of the existing LTE cell sites support NB-IoT (so called partial deployment of NB-IoT). In this case, NB-IoT devices cannot attach to the best cell if that cell does not support NB-IoT. As a result, the path loss can be very high. In addition, they also suffer from high interference from non-NB-IoT cells. We examine potential techniques to compensate for the high path-loss and high interference and provide analysis to indicate when partial deployment of NB-IoT is feasible. We also examine interference issues in asynchronous deployments and study performance.
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Cited by
A Survey on 5G Networks for the Internet of Things: Communication Technologies and Challenges
Akpakwu, G. A., Silva, B. J., Hancke, G. P., & Abu-Mahfouz, A. M. (2018) · IEEE Access · doi:10.1109/access.2017.2779844 · Cited by 1,293
Narrowband Internet of Things: Implementations and Applications
Chen, J., Hu, K., Wang, Q., Sun, Y., Shi, Z., & He, S. (2017) · IEEE Internet of Things Journal · doi:10.1109/jiot.2017.2764475 · Cited by 292
Metadata
- Authors
- Mangalvedhe, N., Ratasuk, R., & Ghosh, A.
- Venue
- 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)
- Publisher
- IEEE
- Published
- 2016-09
- Volume
- 2016
- Pages
- 1-6
- OpenAlex
- W2565270582
- Cited by
- 199
- References
- 0
- FWCI
- 40.04
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Mangalvedhe, N., Ratasuk, R., & Ghosh, A. (2016). NB-IoT deployment study for low power wide area cellular IoT. 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC). https://doi.org/10.1109/pimrc.2016.7794567
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