Abstract
Millimeter-wave (mmWave) massive multiple input multiple input (MIMO) has shown great potential in user equipment (UE) localization of 5G wireless communication systems. However, mmWave signals usually suffer from non-line-of-sight (NLOS) propagation, which will affect mmWave MIMO-based UE localization performance. Hence, it is non-trivial to reveal how NLOS propagation affect mmWave-based UE localization performance. In this paper, we give a unified analysis framework for UE localization performance gain from harnessing NLOS propagation. Firstly, a closed-form Cramer-Rao lower bound on mmWave MIMO-based UE localization is derived to shed lights on its performance limit. Secondly, NLOS propagation-caused localization error for conventional UE localization methods without harnessing multipath effect is analysed. Finally, the information contribution from NLOS channel is quantified, which sheds light on how to smartly harness NLOS propagation and the associated UE localization performance gain.
| Original language | English |
|---|---|
| Title of host publication | 2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2021 |
| Publisher | IEEE |
| Pages | 1215-1221 |
| Number of pages | 7 |
| ISBN (Electronic) | 978-1-7281-7586-7 |
| DOIs | |
| Publication status | Published - 13 Sept 2021 |
| MoE publication type | A4 Conference publication |
| Event | IEEE International Symposium on Personal, Indoor and Mobile Radio Communications - Helsinki, Finland Duration: 13 Sept 2021 → 16 Sept 2021 Conference number: 32 |
Publication series
| Name | IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops |
|---|---|
| ISSN (Print) | 2166-9570 |
| ISSN (Electronic) | 2166-9589 |
Conference
| Conference | IEEE International Symposium on Personal, Indoor and Mobile Radio Communications |
|---|---|
| Abbreviated title | PIMRC |
| Country/Territory | Finland |
| City | Helsinki |
| Period | 13/09/2021 → 16/09/2021 |
Funding
This work was supported by National Natural Science Foundation of China under Grant 62001526, and in part by the Natural Science Foundation of Guangdong Province under Grant 2021A1515012021.
Keywords
- 5G mmWave MIMO
- Cramer-Rao lower bound
- Localization
- non-line-of-sight propagation
- performance limits
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