Abstract | ||
---|---|---|
Narrowband Internet of Things (NB-IoT) is a Quasi-5G technology that will provide coverage for massive number of low-power consumption applications. Hence, the potential massive random access (RA) users call for a new RA scheme. In this paper, based on the key ideas of non-orthogonal multiple access and successive interference cancellation, the NB-IoT non-orthogonal random access (NB-NORA) scheme has been proposed to provide a more effective access performance for NB-IoT system. Further, the RA preamble (MSG1) transmission collision probability and initial layer 3 message (MSG3) outage performances are analyzed based on stochastic geometry, which is compared with the traditional NB-IoT orthogonal random access (NB-ORA) scheme. Simulation results show that the maximum throughput of MSG1 within NB-NORA scheme is double that within NB-ORA scheme, and the successful RA probability of NB-NORA is increased by about 75%. |
Year | DOI | Venue |
---|---|---|
2020 | 10.1007/s11277-019-07006-5 | Wireless Personal Communications |
Keywords | DocType | Volume |
NB-IoT, Random access process, NOMA, SIC | Journal | 111 |
Issue | ISSN | Citations |
4 | 0929-6212 | 0 |
PageRank | References | Authors |
0.34 | 0 | 5 |
Name | Order | Citations | PageRank |
---|---|---|---|
Dan Wang | 1 | 0 | 0.34 |
Yuanyuan Qu | 2 | 0 | 0.34 |
Yongli Fu | 3 | 0 | 0.34 |
Yanjuan Yang | 4 | 0 | 0.34 |
Qirong Chen | 5 | 0 | 0.34 |