Zobrazeno 1 - 10
of 2 493
pro vyhledávání: '"channel state information (CSI)"'
Publikováno v:
Data in Brief, Vol 57, Iss , Pp 111101- (2024)
This study presents the “ESP32 Dataset,” a dataset of radio frequency (RF) data intended for human activity detection. This dataset comprises 10 activities carried out by 8 volunteers in three different indoor floor plan experiment setups. Line-o
Externí odkaz:
https://doaj.org/article/ef3c53371af1472c999c610492f95df0
Publikováno v:
Radioengineering, Vol 33, Iss 1, Pp 34-44 (2024)
In time-division duplex (TDD) distributed large-scale multiple input multiple output (DM-MIMO) systems, the traditional downlink channel precoding method is used to resist inter-user interference (IUI). However, when the Channel State Information (CS
Externí odkaz:
https://doaj.org/article/4a1e1780e88742948eb62ec6e856fe14
Autor:
Tien Hoa Nguyen, Kieu Ha Phung
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 6686-6696 (2024)
This paper proposes the performance of a novel ambient-backscatter communication (AmBC)-assisted mobility vehicle system with partial non-orthogonal multiple access (NOMA) systems, where a jointly composite signal of NOMA and orthogonal multiple acce
Externí odkaz:
https://doaj.org/article/9eeb5e18cc4243e5834a842b66d19c5a
Publikováno v:
IEEE Access, Vol 12, Pp 126970-126982 (2024)
The quest for efficient and non-intrusive human activity recognition (HAR) in indoor environments has led to the burgeoning field of WiFi-based HAR. This method promises applications from healthcare monitoring to elderly care due to its cost-effectiv
Externí odkaz:
https://doaj.org/article/c665e0c53a4846168d70b2e54cdce10e
Publikováno v:
IEEE Access, Vol 12, Pp 113087-113098 (2024)
This study proposes a passive human identification system based on wireless signals. The proposed system comprises three phases; preprocessing and standardization of recorded channel state information (CSI) signals and the extraction of relevant data
Externí odkaz:
https://doaj.org/article/cb1fc2e17d70444cb4cb2ff3d1be083d
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 4541-4558 (2024)
The sixth-generation (6G) network is expected to provide both communication and sensing (C&S) services. However, spectrum scarcity poses a major challenge to the harmonious coexistence of C&S systems. Without effective cooperation, the interference r
Externí odkaz:
https://doaj.org/article/cb99ccd2d44441ee91878f6aca060a0b
Publikováno v:
IEEE Access, Vol 12, Pp 85231-85243 (2024)
In recent years, the use of WiFi Channel State Information (CSI) for Human Activity Recognition (HAR) has attracted widespread attention, thanks to its low cost and non-intrusive advantages. Previous research mostly used models based on Convolutional
Externí odkaz:
https://doaj.org/article/7a2a4419102048a0b48d59dd88160ca5
Publikováno v:
IEEE Open Journal of Intelligent Transportation Systems, Vol 5, Pp 55-69 (2024)
Robust methods are needed to detect how people are moving in smart public transportation systems. This paper proposes and characterizes effective means to accurately detect passengers. We analyze a public WiFi-based activity recognition (WiAR) datase
Externí odkaz:
https://doaj.org/article/03c5e70f83564ea2bae5966eac388137
Publikováno v:
Bioengineering, Vol 11, Iss 11, p 1124 (2024)
In elderly monitoring or indoor intrusion detection, the recognition of human activity is a key task. Owing to several strengths of Wi-Fi-based devices, including their non-contact and privacy protection, these devices have been widely applied in the
Externí odkaz:
https://doaj.org/article/1d506c024f08474bb9f090cc44f14ac6
A Novel Non-Contact Multi-User Online Indoor Positioning Strategy Based on Channel State Information
Publikováno v:
Sensors, Vol 24, Iss 21, p 6896 (2024)
The IEEE 802.11bf-based wireless fidelity (WiFi) indoor positioning system has gained significant attention recently. It is important to recognize that multi-user online positioning occurs in real wireless environments. This paper proposes an indoor
Externí odkaz:
https://doaj.org/article/edaf8e533d2248eca9b282a1849ca878