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Intra-site Coordinated Multi-point Transmission for Non-Terrestrial Networks
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- Authors
- Junhyeong Jo, Mingun Kim, Minsu Kim, Jemin Lee, Jihyung Kim, Moon-sik Lee
- Issue Date
- 2024-12
- Citation
- IEEE Wireless Communications Letters, v.13, no.12, pp.3271-3275
- ISSN
- 2162-2337
- Publisher
- IEEE Communications Society
- Language
- English
- Type
- Journal Article
- Abstract
- In non-terrestrial networks (NTNs), the uptilted antenna for base stations (BSs) has been considered to serve most aerial users (AUs) with a main-lobe, which however results in severe interference from the other sectors of associated BS. Therefore, we propose the intra-site coordinated multi-point transmission (ISCoMP), where multiple sectors of the BS (i.e., site) serve an AU. Specifically, we propose the parallel algorithm to determine the serving AUs of each sector for ISCoMP, which maximizes the sum spectral efficiency. Finally, we show the effect of antenna tilt angles and the superiority of the proposed scheme on the baselines.
- KSP Keywords
- Coordinated Multipoint Transmission, Parallel Algorithm, Spectral efficiency(SE), antenna tilt, base station, multiple sectors, tilt angle