The Effects of Multipath on the Performance of High Rate Digital QAM and OFDM Wireless Link Operating in Tunnels by Yehuda Taragin, Niv Elkayam, Gad A. Pinhasi, Yosef Pinhasi

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Scalable Cell-Free Massive MIMO With Indoor/Outdoor Users by Felip Riera-Palou, Miquel Duran, Guillem Femenias

“…While mobile infrastructure is often assumed to be deployed outdoor by the operators, reality is that most of the traffic has at least one of the communication ends located indoors. …”
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Comprehensive Evaluation to a Prefabricated Building for Indoor Environment and Energy Consumption by Zhen Yang, Xiang Li, Xuekai Zhang, Qingwei Chen

“…The research is aimed at comprehensively evaluating and analyzing the indoor thermal environment, air quality, and energy consumption of prefabricated buildings. …”
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Effect of Ionizers on Indoor Air Quality and Performance of Air Cleaning Systems by Francisco J. Romay, Qisheng Ou, David Y. H. Pui

“…For the HVAC system and indoor air cleaners, the aerosol decay rates in the room increased by 10 to 30%, depending on the operating conditions. …”
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WiFi Indoor Positioning Based on EGA-PF and Fernet Algorithm by Yanchun Wang, Shaoye Sun, Fengjuan Miao, Ying Xia

“…With the massive popularity of WiFi in public places, using WiFi for indoor positioning has become a viable and popular technique. …”
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High-accuracy localization for indoor group users based on extended Kalman filter by Tian Wang, Yuzhu Liang, Yaxin Mei, Muhammad Arif, Chunsheng Zhu

“…Indoor localization has attracted increasing research attentions in the recent years. …”
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RETRACTED: Robot Path Planning Method Based on Indoor Spacetime Grid Model by Huangchuang Zhang, Qingjun Zhuang, Ge Li

“…In the context of digital twins, smart city construction and artificial intelligence technology are developing rapidly, and more and more mobile robots are performing tasks in complex and time-varying indoor environments, making, at present, the unification of modeling, dynamic expression, visualization of operation, and wide application between robots and indoor environments a pressing problem to be solved. …”
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The Indoor Concentration and Size Distribution of Airborne Bacteria in a Typical Traditional Market by Yi-Tang Chang, Wen-Te Liu, I-Chun Chen, Cheng-Che Chiang, Sai Hung Lau

“…This study aims to explore the distribution of the different particle sizes of airborne bacteria (AB) present at typical public indoor TWM. The concentrations during operations at the chosen indoor TWM were measured to be 1.55 × 103 CFU m−3 of AB. …”
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Transport and Mitigation of Exhaled Electronic Cigarette Aerosols in a Multizone Indoor Environment by Li Zhang, Yan Lin, Yifang Zhu

“…Abstract Using an electronic cigarette (e-cig) has been shown to emit a substantial amount of particles and degrade indoor air quality. Here, we tested the effectiveness of different mitigation strategies to reduce indoor particulate pollution due to e-cigs. …”
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Zigbee Wireless Sensor Networks: Performance Study in an Apartment-Based Indoor Environment by Biswajit Kumar Dash, Jun Peng

“…Usually, Zigbee and Wi-Fi networks coexist in indoor environments for their respective applications. …”
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Energy efficiency and indoor climatic conditions in buildings: dynamic modeling for systemic improvement by Inna Bilous, Dmytro Biriukov, Tatiana Eutukhova, Oleksandr Novoseltsev, Volodymyr Voloshchuk, Aleksejs Prozuments

“…The paper is devoted to the problems of modelling energy supply systems for buildings, including methods and means of simulating thermal regimes of buildings and their engineering systems, as well as methods and means of modelling the operating modes of heat pumps that can be used in such systems for a coordinated improvement of energy efficiency and indoor climatic conditions in buildings. …”
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Assessing Mitigation Strategies to Reduce Potential Exposures to Indoor Particle Release Events by Katie Van Valkinburgh, Ali Mohammadi Nafchi, Ehsan Mousavi, Vincent Blouin, Nigel Kaye, Andrew R. Metcalf

“…Understanding potential air pollution hazards are a particular concern for highly populated indoor environments, such as workplaces and classrooms. …”
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Identifying the Indoor Space Characteristics of an Urban Railway Station Based on Pedestrian Trajectory Data by Eunbi Jeong, Soyoung Iris You, Jun Lee, Daeseop Moon

“…In addition, the station operator could respond flexibly to unexpected events by monitoring the indoor spaces according to whether the flow is normal or suggestive of an emergency.…”
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A Novel 3D Indoor Localization Scheme Using Virtual Access Point by Taekook Kim, Eui-Jik Kim

“…However, GPS fails to operate inside buildings because satellite signals are blocked. …”
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A novel method of adaptive weighted -nearest neighbor fingerprint indoor positioning considering user’s orientation by Jingxue Bi, Yunjia Wang, Xin Li, Hongji Cao, Hongxia Qi, Yongkang Wang

“…There are many factors affecting Wi-Fi signal in indoor environment, among which the human body has an important impact. …”
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Influencing Factors and Purification Performance of a Negative Ion Air Purifier for Indoor Ammonia Gas Removal by Yilin Li, Zewen Liu, Yidong Li, Ying Chen, Ziding Bai, Huaiwang Jing, Ruiyan Zhang, Jianbo Chen

“…In this study, the effect of an NIAP for indoor ammonia gas removal was evaluated through a series of experimental studies. …”
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AI-based approaches for improving autonomous mobile robot localization in indoor environments: A comprehensive review by Shoude Wang, Nur Syazreen Ahmad

“…The adoption of indoor autonomous mobile robot (AMR) has surged significantly, driven by their ability to integrate diverse sensors, maintain low operating costs, facilitate easy deployment, and exhibit superior mobility. …”
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Residential Indoor and Outdoor PM Measured Using Low-cost Monitors during the Heating Season in Monroe County, NY by Andrea R. Ferro, Naděžda Zíková, Mauro Masiol, Gursumeeran P. Satsangi, Thomas Twomey, David C. Chalupa, David Q. Rich, Philip K. Hopke

“…The indoor PM2.5 concentration pattern showed clear morning and evening peaks as well as higher indoor concentrations during the weekends when people are typically at home. …”
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Incremental Instance-Oriented 3D Semantic Mapping via RGB-D Cameras for Unknown Indoor Scene by Wei Li, Junhua Gu, Benwen Chen, Jungong Han

“…To ensure an efficient reconstruction of 3D objects with semantic and instance IDs, the input RGB images are operated by a real-time deep-learned object detector. …”
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Impacts of PM on Indoor Air Quality of Airport Terminal Buildings in a Core City of North China Plain by Yunting Zhao, Wenhui Zheng, Simeng Ma, Weikai Kong, Bo Han, Jian Yu

“…Due to its unique architectural and operational characteristics, the airport terminal buildings have individual performance of indoor air quality. …”
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