5G networks mark a significant advancement in telecommunications standards compared to 4G, offering data transmission speeds of up to 10 Gbps and are expected to be widely deployed shortly. Achieving...

Author: Thuc Hoang Van, Cuong Doan Manh

Keyword: Beamforming 5G mobile networks antenna beamforming antenna arrays for 5G

Quoc Am Thi Tap is a classic piece of Vietnamese literature, particularly in the poetry genre. The work exhibits cross-cultural interchange between Vietnamese and Chinese civilizations and has a solid...

Author: Kim Vu Thi Ngoc

Keyword: Quoc Am Thi Tap Sino-Vietnamese terms art

We develop a unified Debye–Török–Fedorov–Nakajima (DTFN) model for tight focusing across an absorbing interface, extending the Debye–Wolf/Török integrals to complex refractive indices by enforcing the...

Author: Do Trang Mai, Nguyen Quan The

Keyword: High-NA focusing absorbing interface complex refractive index Debye–Wolf integral Fedorov–Nakajima branch condition vectorial point-spread function stratified media biomedical optics

This study analyzes the digital economy development strategies of advanced countries such as the United States, Australia, Ja-pan, Singapore, and China, aiming to draw valuable lessons for Vietnam....

Author: Mai Duc Xuan, Vinh Vo Xuan, Cuc Nguyen Thi Thu, Luong Vo Duy

Keyword: Experience Digital Economy Digital Economic Development Vietnam

This study focuses on predicting product rating scores from customer text feedback. This task combines the challenges of natural language processing (NLP) with the class imbalance phenomenon commonly...

Author: Ha Dien Thi Hong

Keyword: Product rating prediction customer text feedback natural language processing (NLP) machine learning models model performance evaluation

In recent years, wireless sensor networks (WSNs) have garnered significant research attention due to their versatility in supporting a range of applications, including military surveillance,...

Author: Khôi Do Huy

Keyword: CTP Protocol routing in WSN WSN energy saving solution WSN performance CTP in mobile

This study addressed the challenges in managing higher education institutions (HEIs) in Vietnam amidst increasing autonomy. HEIs currently face limitations in financial dependence, ineffective human...

Author: Hung Bui Văn

Keyword: Innovation management sustainable development higher education university autonomy.

In this paper we prove some fixed point theorems for map-pings satisfying an implicit contractive conditions in metric spaces. Our re-sults improve and extend some results in the literature (Garai, L....

Author: Hoc Nguyen Huu

Keyword: Boundedly compact spaces Fixed points Metric spaces $T$-orbitally compact spaces

This study investigates the incorporation of ChatGPT in English as a Foreign Language (EFL) instruction at Dong Nai Technology University, emphasizing students' attitudes, perceptions, and obstacles....

Author: Phan Lam Thi

Keyword: ChatGPT EFL learning student perceptions artificial intelligence in education

Natural killer (NK) cells are a critical component of the innate immune system, capable of recognizing and eliminating patho-gens without needing specific antigen presentation. Although NK cells have...

Author: hương trần thanh

Keyword: Cell Immunity Receptor Biomass Lympho