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RACH preamble repetition in NB-IoT network
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Jiang, Nan, Deng, Yansha, Condoluci, Massimo, Guo, Weisi, Nallanathan, Arumugam and Dohler, Mischa (2018) RACH preamble repetition in NB-IoT network. IEEE Communciations Letters, 22 (6). pp. 1244-1247. doi:10.1109/LCOMM.2018.2793274
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WRAP-RACH-preamble-repetition-NB-IoT-Network-Guo-2018.pdf - Accepted Version - Requires a PDF viewer. Download (736Kb) | Preview |
Official URL: http://doi.org/10.1109/LCOMM.2018.2793274
Abstract
NarrowBand-Internet of Things (NB-IoT) is a radio access technology recently standardized by 3GPP. To provide reliable connections with extended coverage, a repetition transmission scheme is applied in both Random Access CHannel (RACH) procedure and data transmission. In this letter, we model RACH in the NB-IoT network taking into account the repeated preamble transmission and collision using stochastic geometry. We derive the exact expression of RACH success probability under time correlated interference, and validate the analysis with different repetition values via independent simulations. Numerical results have shown that the repetition scheme can efficiently improve the RACH success probability in a light traffic scenario, but only slightly improves that performance with very inefficient channel resource utilization in a heavy traffic scenario.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Long-Term Evolution (Telecommunications), Internet of things, Stochastic geometry, Data transmission systems | ||||||||
| Journal or Publication Title: | IEEE Communciations Letters | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 1089-7798 | ||||||||
| Official Date: | June 2018 | ||||||||
| Dates: |
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| Volume: | 22 | ||||||||
| Number: | 6 | ||||||||
| Page Range: | pp. 1244-1247 | ||||||||
| DOI: | 10.1109/LCOMM.2018.2793274 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| RIOXX Funder/Project Grant: |
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