Results 31 to 40 of about 953,119 (281)
Wireless sensor indoor positioning based on an improved particle filter algorithm
International Journal of Distributed Sensor Networks, 2020 Positioning by wireless sensor network is one of its main functions and has been widely used in many fields. However, when signal propagation is hindered, serious errors, non-line-of-sight errors, occur.
Pan Feng +4 more
doaj +1 more source
Towards Non-Line-of-Sight Photography.
CoRR, 2023 The proposed method and dataset are required further ...
Peng, Jiayong +6 more
openaire +4 more sources
Improved Kalman filter indoor positioning algorithm based on CHAN
Tongxin xuebao, 2023 Due to the raising complexity of the indoor environment, the influence of the non-line-of-sight error is gradually increasing in indoor positioning.How to reduce the non-line-of-sight error in the indoor positioning environment is particularly ...
Rui JIANG +4 more
doaj +2 more sources
Rooftop and indoor reception with transmit diversity applied to DVB-T networks: A long term measurement campaign [PDF]
, 2009 Although transmit Delay Diversity (DD) can provide a gain in indoor and other Non Line of Sight situations (NLOS), it can introduce degradation in rooftop reception. In fact, when the Ricean K factor of the channel is significantly high (e.g.
Arrinda, A +6 more
core +1 more source
IEEE Access, 2019 The fifth generation (5G) wireless network technology is set to be standardized by 2020, where the main goals are to improve capacity, reliability, and energy efficiency while reducing latency and massively increasing connection density.
Daniel Peethala +2 more
doaj +1 more source
Onsite Non-Line-of-Sight Imaging via Online Calibration
IEEE Photonics Journal, 2022 There has been increasing interest in deploying non-line-of-sight (NLOS) imaging systems for recovering objects hidden behind corners. Existing solutions need to calibrate the imaging system using auxiliary apparatus and additional detectors.
Zhengqing Pan +8 more
doaj +1 more source
Multi-Channel Two-way Time of Flight Sensor Network Ranging [PDF]
, 2012 Two-way time of flight (ToF) ranging is one of the most interesting approaches for localization in wireless sensor networking since previous ToF ranging approaches using commercial off-the-shelf (COTS) devices have achieved good accuracy.
Eriksson, Joakim +3 more
core +2 more sources
A calibration scheme for non-line-of-sight imaging setups
Optics Express, 2020 The recent years have given rise to a large number of techniques for “looking around corners”, i.e., for reconstructing or tracking occluded objects from indirect light reflections off a wall. While the direct view of cameras is routinely calibrated in computer vision applications, the calibration of non-line-of-sight setups has so far relied on manual
Klein, Jonathan +3 more
openaire +3 more sources
Hybrid Beamforming With Sub-arrayed MIMO Radar: Enabling Joint Sensing and Communication at mmWave Band [PDF]
, 2018 In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited.
Liu, Fan, Masouros, Christos
core +2 more sources
International Journal of Distributed Sensor Networks, 2018 The mitigation of non-line-of-sight propagation conditions is one of main challenges in wireless signal–based indoor localization. When radio frequency identification localization technology is applied in applications, the received signal strength ...
Jie Wu, Minghua Zhu, Bo Xiao, Wei He
doaj +1 more source