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- Title
Effect of SAM hand phantom on TRP of EN‐DC 5G terminal.
- Authors
Qu, Meijun; He, Shaowei; Chang, Tianyu; Zhu, Lin; Li, Shufang
- Abstract
5G terminal is more susceptible to environmental impacts because of its more sophisticated and complex design. To investigate the effect of human hands on 5G terminal, we construct the measurement system and test the transmission performance of 5G mobile phone in the free space and human hand model, respectively. The combination of B3 (4G) and N77 (5G) TRP is tested and analyzed since 5G mobile phones need to be connected to both 4G and 5G networks under NSA network. It is obtained that the TRP tested in SAM hand phantom is lower than that of measurements in free space. Moreover, the measured results show that left hand and right hand have different impact on the performance of the mobile phone, which is closely related to the layout of the mobile phone. Therefore, we cannot only use the level of EIRP to evaluate the transmitting performance of DUT, but also need to introduce abnormal rate to evaluate. The abnormal rates of N77 are higher than that of B3 when the DUT is fixed in SAM hand phantom. The test results can help researchers to optimize the layout of mobile phones.
- Subjects
4G networks; 5G networks; TEST systems; CELL phones; FREE-space optical technology
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2020, Vol 30, Issue 11, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.22386