Browsing by Author "Mao, Shiwen"

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High-Performance SAR-Assisted Hybrid ADC with Time Domain Signal Processing

Su, Zhan (2020-02-19) ETD File Embargoed

This dissertation presents types of basic and advanced ADC architectures and raises a high-performance hybrid ADC solution which achieves comparable performance compared with many state-of-the-art ADC architectures. The ...

Hybrid Aerial and Ground-based Mobile Robot for Retail Inventory

Lyu, Yibo (2018-05-10)

Radio frequency identification (RFID) technology is increasingly used in retail stores and warehouses because it can help to improve the inventory process, enable automatic checkout, and reduce shoplifting. This dissertation ...

Improving System Performance for Wireless Networks

Shen, Fangyang (2008-08-15)

In this dissertation, we solve two problems in wireless networks: Transmission Control Protocol (TCP) enhancement and cluster node sleep scheduling. When TCP is deployed in a wireless mesh network, it encounters several ...

In Vivo Quantitative MRI of Hemodynamics, Endothelial Function, and Metabolites

Mahmud, Sultan Zaman (2023-04-27)

Magnetic resonance (MR) hemodynamic imaging involves the study of vascular blood circulation. The regulation of tissue oxygenation depends directly on the regulation of blood flow. Impaired blood flow, oxygen supply, oxygen ...

Incast-free TCP for Data Center Networks

Kulkarni, Santosh (2012-10-03)

Cloud Computing is a computing paradigm that involves delivering hosted services over the Internet, based on a `pay-per-use' approach. This new style of computing, promises to revolutionize the IT industry by making computing ...

Interference Management and Exploitation in Emerging Wireless Networks

Xu, Yi (2015-04-29)

In the past decade, with the prevalence of smart phones, the main use of cellphones has been shifted from phone call to multimedia access. This paradigm shift has resulted in the demand for higher and higher transmission ...

MAC and Routing Protocols for Multi-Hop Cognitive Radio Networks

Kondareddy, Yogesh (2008-08-15)

Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterized by dynamically changing channel sets at ...

Mobility and Energy Management in 5G Ultra-Dense Networks

Sun, Li (2022-12-05)

Triggered by the development of 5G technologies, the demand for mobile data has grown tremendously in recent years. It leads to an urgent need to upgrade the current macro-cell-based architecture of network infrastructure ...

Node Placement, Routing and Localization Algorithms for Heterogeneous Wireless Sensor Networks

Dong, Shaoqiang (2008-05-15)

Wireless sensor network is a very promising technology for many military and civilian applications. The network usually consists large number of nodes and many existing network techonlogies can not be used directly in ...

On the Machine Illusion

Gong, Zhitao (2019-10-14)

In this work, we empirically study an emerging problem in the machine learning community, i.e., the adversarial samples. Specifically, we focus on the discussion within the realm of neural networks. The existence of ...

Performance Analysis of Collision Avoidance Schemes in Ad Hoc Networks

Bhandare, Suryakant (2012-04-11)

IEEE 802.11 DCF (Distributed Coordination Function) is a popular protocol used for the physical and MAC layers in most ad hoc networks. DCF employs carrier sense multiple access with collision avoidance (CSMA/CA) and a ...

Power Control for Underlay Cognitive Radio Networks with Full-duplex Transmissions

Tang, Ningkai (2014-03-31)

Radio communication, one of core contents in wireless communication, is facing a great crisis of running out of resource. Unlike other energy crisis which can be solved by using all kinds of alternative energy, the only ...

Power control, Neighbor Discovery, and Backup Scheme for Emerging Wireless Networks

Wang, Yu (2020-08-04)

With the booming wireless applications and services there has been a drastic increase in mobile data in recent years, as observed in several industrial white papers (e.g., Cisco Visual Network Index Report and Qualcomm’s ...

QoS/QoE Provisioning in Emerging 5G Wireless Networks

He, Zhifeng (2016-12-09)

In recent years, there has been a drastic growth in wireless traffic, and in the near future, a majority of wireless traffic will be video-related. How to support the increasing demand of radio resources from the ...

Radio Frequency Sensing Systems for Artificial Intelligence of Things

Yang, Chao (2022-05-02)

With the rapid development of artificial intelligence, the Internet of Things (IoT) has evolved into artificial intelligence (AIoT). The development of an effective and low-cost human health detection system has attracted ...

Reinforcement Learning with Reasoning for Long-horizon Robotic Tasks

YU, ZHITAO (2023-04-09)

Recent developments in Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehi- cles (UGVs) have attracted intensive research interest from both academia and industrial areas. Although Unmanned Aerial Vehicles (UAV) are ...

Reliability, Scalability and Security in Smart Utility Networks

Iyer, Gopalakrishnan (2014-05-01)

With the rapid increase in deployment of smart meters across North America, resource consumption data of utilities such as water, gas and electricity is being collected at a much higher granular level. The huge amount ...

Resilient and Reliable Communication for First Responders with Ad Hoc Network and MPTCP

Cui, Yue (2023-12-08)

In severe hazardous situations, reliable network communication is an important infrastructure for conveying vital real-time information from sensors embedded in first responders. Important communications and emergency ...

Resource Allocation for Next Generation Wireless Networks

Zhang, Ticao (2022-07-27)

The rapid development of various emerging applications, such as machine learning, virtual reality, and internet-of-things (IoT) brought massive data traffic. Next generation (6G) wireless networks are expected to support ...

Resource Sharing in a WiFi-WiMAX Integrated Network

Andrews, Nirmal (2009-12-15)

Resource allocation is a challenging issue in integrated wireless environments due to factors like difference in participating network protocols, design of hierarchical network architecture, user mobility and multiple ...