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Displaying 1-41 out of 41 total
WiCop: Engineering WiFi Temporal White-Spaces for Safe Operations of Wireless Body Area Networks in Medical Applications
Found in: Real-Time Systems Symposium, IEEE International
By Yufei Wang,Qixin Wang,Zheng Zeng,Guanbo Zheng,Rong Zheng
Issue Date:December 2011
pp. 170-179
ZigBee and other wireless technologies operating in the (2.4GHz) ISM band are being applied in Wireless Body Area Networks (WBAN) for many medical applications. However, these low duty cycle, low power, and low data rate medical WBANs suffer from WiFi co-c...
 
WiCop: Engineering WiFi Temporal White-Spaces for Safe Operations of Wireless Personal Area Networks in Medical Applications
Found in: IEEE Transactions on Mobile Computing
By Yufei Wang,Qixin Wang,Guanbo Zheng,Zheng Zeng,Rong Zheng,Qian Zhang
Issue Date:May 2014
pp. 1-1
ZigBee and other wireless technologies operating in the (2.4GHz) ISM band are being applied in Wireless Personal Area Networks (WPAN) for many medical applications. However, these low duty cycle, low power, and low data rate medical WPANs suffer from WiFi ...
 
On Quality of Monitoring for Multichannel Wireless Infrastructure Networks
Found in: IEEE Transactions on Mobile Computing
By Huy Nguyen,Gabriel Scalosub,Rong Zheng
Issue Date:March 2014
pp. 664-677
Passive monitoring utilizing distributed wireless sniffers is an effective technique to monitor activities in wireless infrastructure networks for fault diagnosis, resource management, and critical path analysis. In this paper, we introduce a quality of mo...
 
Guaranteeing Proper-Temporal-Embedding safety rules in wireless CPS: A hybrid formal modeling approach
Found in: 2013 43rd Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)
By Feng Tan,Yufei Wang,Qixin Wang,Lei Bu,Rong Zheng,Neeraj Suri
Issue Date:June 2013
pp. 1-12
Cyber-Physical Systems (CPS) integrate discrete-time computing and continuous-time physical-world entities, which are often wirelessly interlinked. The use of wireless safety critical CPS (control, healthcare etc.) requires safety guarantees despite commun...
 
Progressive Data Retrieval for Distributed Networked Storage
Found in: IEEE Transactions on Parallel and Distributed Systems
By Yunghsiang S. Han,Soji Omiwade,Rong Zheng
Issue Date:December 2012
pp. 2303-2314
We propose a decentralized progressive data retrieval (PDR) mechanism for data reconstruction in a network of Byzantine and crash-stop nodes. The scheme progressively retrieves stored data, such that it achieves the minimum communication cost possible. In ...
 
Curbing Aggregate Member Flow Burstiness to Bound End-to-End Delay in Networks of TDMA Crossbar Real-Time Switches
Found in: 2012 IEEE 33rd Real-Time Systems Symposium (RTSS)
By Qixin Wang,Yufei Wang,Rong Zheng,Xue Liu
Issue Date:December 2012
pp. 14-25
To integrate the nowadays rapidly expanding distributed real-time systems, we need multi-hop real-time switched networks. A (if not "the") widely recognized/adopted real-time switch architecture is the TDMA crossbar real-time (TCRT) switch archit...
   
A multi-parameter bio-electric ASIC sensor with integrated 2-wire data transmission protocol for wearable healthcare system
Found in: 2012 Design, Automation & Test in Europe Conference & Exhibition (DATE 2012)
By Geng Yang, Jian Chen,F. Jonsson,H. Tenhunen, Li-Rong Zheng
Issue Date:March 2012
pp. 443-448
This paper presents a fully integrated application specific integrated circuit (ASIC) sensor for the recording of multiple bio-electric signals. It consists of an analog front-end circuit with tunable bandwidth and programmable gain, a 6-input 8-bit succes...
 
A Novel Dual-Boost DC-AC Circuit for PV Inverter
Found in: Digital Manufacturing and Automation, International Conference on
By Biao Zhang,Jianlin Zhu,Meisheng He,Rong Zheng,Weiming Chen
Issue Date:August 2011
pp. 85-88
For the characteristics of low DC voltage output of PV array, a novel BOOST DC-AC inverter cirCuit is proposed, it is used DC chopper and based on the AC chopper principle. The tasks of boost and inverter are undertaken only by one level BOOST DC-AC cirCui...
 
Robust Topology Engineering in Multiradio Multichannel Wireless Networks
Found in: IEEE Transactions on Mobile Computing
By Cunqing Hua,Rong Zheng
Issue Date:March 2012
pp. 492-503
Topology engineering concerns with the problem of automatic determination of physical layer parameters to form a network with desired properties. In this paper, we investigate the joint power control, channel assignment, and radio interface selection for r...
 
Aero-engine Blade Design System Based on Knowledge Integration
Found in: Electrical and Control Engineering, International Conference on
By Chen ZeFeng, Yang HaiCheng, Mo Rong, Zheng DanChen
Issue Date:June 2010
pp. 2651-2654
This paper studies knowledge integration technologies for aero-engine blade design process. The problems of the traditional blade design system are analyzed. The concept and pattern of knowledge integration are introduced. The blade design knowledge is des...
 
WiserAnalyzer: A Passive Monitoring Framework for WLANs
Found in: Mobile Ad-hoc and Sensor Networks, International Conference on
By Arun Chhetri, Rong Zheng
Issue Date:December 2009
pp. 495-502
Due to low hardware costs, availability of unlicensed spectrums and support of mobility, WLANs have been widely adopted in home, enterprise, hospital, and campus environments. These networks are used for various purposes including VOIP, data services and i...
 
An Active-Cable Connected ECG Monitoring System for Ubiquitous Healthcare
Found in: Convergence Information Technology, International Conference on
By Geng Yang, Ying Cao, Jian Chen, Hannu Tenhunen, Li-Rong Zheng
Issue Date:November 2008
pp. 392-397
In this paper, novel microchip architecture for a
 
Robust channel assignment for link-level resource provision in multi-radio multi-channel wireless networks
Found in: 2008 IEEE International Conference on Network Protocols
By Cunqing Hua, Song Wei, Rong Zheng
Issue Date:October 2008
pp. 157-166
In this paper, we investigate the problem of link-level resource provision in multi-radio multi-channel (MR-MC) wireless networks. To quantify robustness of resource provision schemes, we propose the novel concept of interference margin. Using the notion o...
 
Commentary Paper on
Found in: Advanced Video and Signal Based Surveillance, IEEE Conference on
By Rong Zheng
Issue Date:September 2008
pp. 347
This paper proposed an object- and task-oriented architecture for automated video surveillance in distributed sensor networks. The proposed work is implemented and evaluated in an experimental testbed consisting 25 nodes.
 
Traffic Splitting with Network Calculus for Mesh Sensor Networks
Found in: Future Generation Communication and Networking
By Huimin She, Zhonghai Lu, Axel Jantsch, Li-Rong Zheng, Dian Zhou
Issue Date:December 2007
pp. 368-373
In many applications of sensor networks, it is essential to ensure that messages are transmitted to their destinations as early as possible and the buffer size of each sensor node is as small as possible. In this paper, we firstly propose a mesh sensor net...
 
ANDES: an Anomaly Detection System for Wireless Sensor Networks
Found in: IEEE International Conference on Mobile Adhoc and Sensor Systems Conference
By Sumit Gupta, Rong Zheng, Albert M. K. Cheng
Issue Date:October 2007
pp. 1-9
In this paper, we propose ANDES, a framework for detecting and finding the root causes of anomalies in operational wireless sensor networks (WSNs). The key novelty of ANDES is that it correlates information from two sources: one in the data plane as a resu...
 
Design of a Digital Baseband Processor for UWB Transceiver on RFID Tag
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Yuechao Niu, Majid Baghaei Nejad, Hannu Tenhunen, Li-Rong Zheng
Issue Date:May 2007
pp. 358-361
In this paper we present a novel digital baseband processor designed for UWB transceiver on RFID tag. It is a low power and low voltage (1.8V) full digital ASIC which is implemented in 0.18 ? m CMOS technology. The processor receives serial signals (consis...
 
Delay-Balanced Smart Repeaters for On-Chip Global Signaling
Found in: VLSI Design, International Conference on
By Roshan Weerasekera, Dinesh Pamunuwa, Li-Rong Zheng, Hannu Tenhunen
Issue Date:January 2007
pp. 308-313
In this paper we propose a smart driver, whose drive strength is dynamically altered depending on the relative bit pattern, by partitioning it into a Main Driver and Assistant Driver. For a higher effective load capacitance both drivers switch, while for a...
 
Optimal Block Design for Asynchronous Wake-Up Schedules and Its Applications in Multihop Wireless Networks
Found in: IEEE Transactions on Mobile Computing
By Rong Zheng, Jennifer C. Hou, Lui Sha
Issue Date:September 2006
pp. 1228-1241
In this paper, we consider the problem of designing optimal asynchronous wake-up schedules to facilitate distributed power management and neighbor discovery in multihop wireless networks. We first formulate it as a block design problem and derive the funda...
 
An Opto-VLSI Based Tunable Fiber Ring Laser
Found in: Electronic Design, Test and Applications, IEEE International Workshop on
By Rong Zheng, Zhenglin Wang, Kamal Alameh
Issue Date:January 2006
pp. 350-353
We demonstrate a novel Opto-VLSI tunable fiber ring laser structure in which an Opto-VLSI processor driven by steering phase holograms dynamically selects the lasing wavelengths. A proof-of-concept tunable fiber ring laser which has a wavelength tuning ran...
 
MAC layer support for group communication in wireless sensor networks
Found in: IEEE International Conference on Mobile Adhoc and Sensor Systems Conference
By Rong Zheng, Lui Sha, Wei Feng
Issue Date:November 2005
pp. 395
In this paper, we investigate the problem of providing efficient communication primitives across domains of wireless sensor network (WSN) applications. We argue both qualitatively and quantitatively that group communication among sensors of geographic prox...
 
Timing Performance Control in Web Server Systems Utilizing Server Internal State Information
Found in: Autonomic and Autonomous Systems and International Conference on Networking and Services, Joint International Conference on
By Xue Liu, Rong Zheng, Jin Heo, Qixin Wang, Lui Sha
Issue Date:October 2005
pp. 75
How to effectively allocate system resource to meet the Service Level Agreement (SLA) of Web servers is a challenging problem. In this paper, we propose an improved scheme for autonomous timing performance control in Web servers under highly dynamic traffi...
 
Robustness Enhancement through Chip-Package Co-Design for High-Speed Electronics
Found in: Quality Electronic Design, International Symposium on
By Meigen Shen, Li-Rong Zheng, Hannu Tenhunen
Issue Date:March 2004
pp. 184-189
Low interaction between chip and package has more and more limited system performance. In this paper, chip-package co-design flow is presented. We address robustness enhancement under package and interconnection constraints by using impedance control, opti...
 
MicroPhotonic Reconfigurable RF Signal Processor
Found in: Electronic Design, Test and Applications, IEEE International Workshop on
By Kamal E. Alameh, Selam Ahderom, Mehrdad Raisi, Rong Zheng, Kamran Eshraghian
Issue Date:January 2004
pp. 63
In this paper, we discuss the use of MicroPhotonic processors to control the optical power distribution in photonic signal processing structures, achieving adaptive photonic RF filtering with arbitrary transfer functions. A new MicroPhotonics-based photoni...
 
Noise Margin Constraints for Interconnectivity in Deep Submicron Low Power and Mixed-Signal VLSI Circuits
Found in: Advanced Research in VLSI, Conference on
By Li-Rong Zheng, Hannu Tenhunen
Issue Date:March 1999
pp. 123
The continually growth in density and complexity of integrated circuits gives a difficult challenge in wirebility of deep submicron VLSI circuits, particularly the advanced low power and mixed-signal ICs, where the interconnections have been seriously limi...
 
Lightning: A Fast and Lightweight Acoustic Localization Protocol Using Low-End Wireless Micro-Sensors
Found in: Real-Time Systems Symposium, IEEE International
By Qixin Wang, Rong Zheng, Ajay Tirumala, Xue Liu, Lui Sha
Issue Date:December 2004
pp. 371-381
Acoustic awareness is an important service in ubiquitous computing environments. This paper presents a fast lightweight acoustic event localization protocol, the Lightning protocol, t o locate impulsive sound sound using arrays of wireless micro-sensors. T...
 
How to Make Assured Service More Assured
Found in: Network Protocols, IEEE International Conference on
By Wei Lin, Rong Zheng, Jennifer C. Hou
Issue Date:November 1999
pp. 182
In this paper, we study why the current assurance services (AS) architecture with profilers/markers at edge routers and with queue management mechanisms (RIO) at core routers cannot achieve throughput assurance and fairness. Based on the findings of the si...
 
Style learning based story boundary detection for Chinese broadcast news videos
Found in: Proceedings of the Fifth International Conference on Internet Multimedia Computing and Service (ICIMCS '13)
By Bailan Feng, Bo Xu, Rong Zheng, Zhineng Chen
Issue Date:August 2013
pp. 42-45
Broadcast news video has been playing a more and more important role in our daily life. However, how to effectively organize the broadcast news video into story semantic units is still a challenge issue. In this paper, we propose a novel style learning bas...
     
The impact of word-of-mouth on book sales: review, blog or tweet?
Found in: Proceedings of the 14th Annual International Conference on Electronic Commerce (ICEC '12)
By Rong Zheng, Weifang Wu
Issue Date:August 2012
pp. 74-75
This paper tries to study online word-of-mouth (WOM) effect from a holistic perspective. We associate 303 new-release books' sales data from Amazon.com, Barnesandnoble.com, with WOM data from Amazon and Barnes &Noble reviews, Google Blog Search and Twitter...
     
Bio-chip ASIC and printed flexible cable on paper substrate for wearable healthcare applications
Found in: Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL '11)
By Geng Yang, Li-Rong Zheng, Qiansu Wan
Issue Date:October 2011
pp. 1-2
In this paper, we describe two cutting-edge technologies for the emerging wearable healthcare applications: application specific integrated circuit (ASIC) and printed electronics on a flexible paper substrate. The ASIC enables a compact integration of acti...
     
On quality of monitoring for multi-channel wireless infrastructure networks
Found in: Proceedings of the eleventh ACM international symposium on Mobile ad hoc networking and computing (MobiHoc '10)
By Arun Chhetri, Gabriel Scalosub, Huy Nguyen, Rong Zheng
Issue Date:September 2010
pp. 111-120
Passive monitoring utilizing distributed wireless sniffers is an effective technique to monitor activities in wireless infrastructure networks for fault diagnosis, resource management and critical path analysis. In this paper, we introduce a quality of mon...
     
Obstacle discovery in distributed actuator and sensor networks
Found in: ACM Transactions on Sensor Networks (TOSN)
By Amit Pendharkar, Gangbing Song, Khuong Vu, Rong Zheng
Issue Date:September 2010
pp. 1-24
Distributed active sensing is a new sensing paradigm, where active sensors (aka actuators) as illuminating sources and passive sensors as receivers are distributed in a field, and collaboratively detect events of interest. In this paper, we study the funda...
     
Robust resource management for predictable services in wireless healthcare
Found in: Proceedings of the 1st ACM international workshop on Medical-grade wireless networks (WiMD '09)
By Cunqing Hua, Rong Zheng
Issue Date:May 2009
pp. 1-2
Wireless use is growing in the health-care industry. A good wireless solution has the potential to reduce deployment cost, facilitate ubiquitous information access, and improve patient care by eliminating wires, which are a source of infection and physical...
     
How good is opportunistic routing?: a reality check under Rayleigh fading channels
Found in: Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems (MSWiM '08)
By Chengzhi Li, Rong Zheng
Issue Date:October 2008
pp. 286-293
Considerations of realistic channel dynamics motivate the design of a new breed of opportunistic schemes, such as opportunistic transmission, scheduling and routing. Compared to their deterministic counter part, opportunistic schemes have been shown to inc...
     
On routing in lossy wireless networks with realistic channel models
Found in: Proceeding of the 1st ACM international workshop on Foundations of wireless ad hoc and sensor networking and computing (FOWANC '08)
By Rong Zheng
Issue Date:May 2008
pp. 1-2
This paper concerns routing performance in lossy wireless networks with Rayleigh fading channel. We investigate the efficiency of a few representative deterministic and opportunistic routing protocols under light-loaded traffic conditions. This work deviat...
     
Minimal-power, delay-balanced smart repeaters for interconnects in the nanometer regime
Found in: Proceedings of the international workshop on System-level interconnect prediction (SLIP'06)
By Dinesh Pamunuwa, Hannu Tenhunen, Li-Rong Zheng, Roshan Weerasekera
Issue Date:March 2006
pp. 113-120
In this paper we propose a smart repeater that consumes less energy and is suitable for driving global interconnections in nanometre technologies. When there is coupling between interconnects, the effective capacitance of a given wire is a function not onl...
     
Improved timing control for web server systems using internal state information
Found in: Special interest tracks and posters of the 14th international conference on World Wide Web (WWW '05)
By Jin Heo, Lui Sha, Rong Zheng, Xue Liu
Issue Date:May 2005
pp. 1068-1069
How to effectively allocate system resource to meet the Service Level Agreement (SLA) of Web servers is a challenging problem. In this paper, we propose an improved scheme for autonomous timing performance control in Web servers under highly dynamic traffi...
     
Asynchronous wakeup for ad hoc networks
Found in: Proceedings of the fourth ACM international symposium on Mobile ad hoc networking & computing (MobiHoc '03)
By Jennifer C. Hou, Lui Sha, Rong Zheng
Issue Date:June 2003
pp. 35-45
Due to the slow advancement of battery technology, power management in wireless networks remains to be a critical issue. Asynchronous wakeup has the merits of not requiring global clock synchronization and being resilient to network dynamics. This paper pr...
     
System level interconnect design for network-on-chip using interconnect IPs
Found in: Proceedings of the 2003 international workshop on System-level interconnect prediction (SLIP '03)
By Hannu Tenhunen, Jian Liu, Li-Rong Zheng, Meigen Shen
Issue Date:April 2003
pp. 117-124
As technology scales down, the interconnect for on-chip global communication becomes the delay bottleneck. In order to provide well-controlled global wire delay and efficient global communication, a Network-on-Chip (NoC) architecture was proposed by differ...
     
Automatic Teaching of Welding Robot for 3-Dimensional Seam Based on Ant Colony Optimization Algorithm
Found in: Intelligent Computation Technology and Automation, International Conference on
By Li He-xi, Shi Yong-hua, Wang Guo-rong, Zheng Xiao-xi
Issue Date:October 2009
pp. 398-402
The research work of this paper concentrates on 3-dimensional seam detection based on stereovision technique and the optimal control of weld torch attitude based on ant colony optimization algorithm during the automatic teaching of welding robot. A binocul...
 
A Novel Test Pattern Generator with High Fault Coverage for BIST Design
Found in: Information and Computing Science, International Conference on
By Wen-rong Zheng, Shu-zong Wang
Issue Date:May 2009
pp. 59-62
A new and effective pseudorandom test pattern generator, termed GLFSR, is introduced. The test pattern generation by GLFSR achieves a higher degree of randomness. Experimental results on common benchmark CUT demonstrate that the fault coverage of the propo...
 
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