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Institute of Electrical & Electronic Engineers
(11341 results)-
Whitepapers
Hardware Impairments on LDPC Coded SC-FDE and OFDM in Multi-Gbps WPAN (IEEE 802.15.3c)
March 11, 2008, 12:00am PDT
The Multi-Gbps Wireless Personal Area Network (WPAN) using 60-GHz is being standardized in the task group of IEEE 802.15.3c. In the PHYsical (PHY) layer design, there are two competitive...
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Whitepapers
On the Deployment of Mobile Trusted Modules
March 11, 2008, 12:00am PDT
In its recently published TCG Mobile Reference Architecture, the TCG Mobile Phone Work Group specifies a new concept to enable trust into future mobile devices. For this purpose, the TCG devises a...
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Whitepapers
An Adaptive Energy Saving Mechanism in the Wireless Packet Access Network
March 11, 2008, 12:00am PDT
The next generation wireless communication systems will be based on the "All-IP" structure and the Wireless Packet Access Network (WPAN) will have a dominant future. Mobility is one of main...
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Whitepapers
On the Time Distribution of White Space Access Opportunities
March 11, 2008, 12:00am PDT
In the future, secondary radios may exploit to use the spectrum holes (or white space) available over a given frequency band for transmission, provided the performance of the primary radio using...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Link Performance of WiMAX PUSC
March 11, 2008, 12:00am PDT
Link performance of WiMAX (802.16e) downlink and uplink using Partial Usage Sub-Channelization (PUSC) is evaluated through link-level simulations. WiMAX using single transmit and two receive...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Vertical Handoff Decision Scheme Using MADM for Wireless Networks
March 11, 2008, 12:00am PDT
Wireless environment is expected to support heterogeneous wireless access technologies. The objective is the support of a diverse range of high-data rate multimedia services. The main issue in...
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Whitepapers
In-Band Sensing Without Quiet Period in Cognitive Radio
March 11, 2008, 12:00am PDT
Sensing is one of the key technologies for the implementation of cognitive radio. The usual In-band sensing is performed during quiet period to avoid the interference from the network itself. In...
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Whitepapers
Automatic Construction of Cognitive Radio Network
March 11, 2008, 12:00am PDT
This paper presents a scheme for cognitive radio network construction. Incorporating the available spectrum, cognitive radio nodes automatically construct a local area network. The active...
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Whitepapers
Cell Planning for Cooperative Transmission
March 11, 2008, 12:00am PDT
Cooperative Transmission (CT) (i.e. base station cooperation, multicell transmission) techniques have been shown to theoretically increase the average and cell-edge spectral efficiencies of...
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Whitepapers
Fair OFDMA Scheduling Algorithm Using Iterative Local Search With K-Opt-Switches
March 11, 2008, 12:00am PDT
Orthogonal Frequency Division Multiple Access (OFDMA) enables dynamically scheduling users on frequencies with good channel quality, exploiting multiuser diversity. Modulation levels on different...
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Whitepapers
Joint Rate and Power Adaptation for MC-CDMA Over Tempo-Spectral Domain
March 11, 2008, 12:00am PDT
This paper studies the area of link adaptation for Multi-Carrier Code Division Multiple Access (MC-CDMA) radio interface and adapts the rate and transmission power jointly over temporal as well as...
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Whitepapers
A Vehicle Collision Warning System Employing Vehicle-to-Infrastructure Communications
March 11, 2008, 12:00am PDT
Road safety has become an important issue and gained much attention for many years. To avoid vehicle collisions on the roads, researchers have proposed various Collision Warning Systems (CWS)...
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Whitepapers
Multi-Path Propagation Measurements for Vehicular Networks at 5.9 GHz
March 11, 2008, 12:00am PDT
Broadband sounding of the vehicle-to-vehicle channel is reported in suburban, rural, and highway environments. A direct sequence spread spectrum waveform based on zero correlation zone sequences...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Low Antenna Ultra Wideband Propagation Measurements and Modeling in a Forest Environment
March 11, 2008, 12:00am PDT
Over the past decade, research and development in wireless sensor networks has investigated novel and exciting applications for a number of different scenarios. Impulse Ultra WideBand (UWB)...
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Whitepapers
Uplink Control Channel in E-UTRA, Radio Link and Radio Network Evaluation
March 11, 2008, 12:00am PDT
Evolved UTRA (E-UTRA) is specified by the Third Generation Partnership Project, 3GPP. E-UTRA is designed to efficiently and flexibly utilize different spectrum bands supporting high physical bit...
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Whitepapers
Vertical Handover Decision in an Enhanced Media Independent Handover Framework
March 11, 2008, 12:00am PDT
Vertical handover decision making is one of key problems in heterogeneous network environment. In IEEE 802.21 standard, a Media Independent Handover (MIH) framework is presented to facilitate...
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Whitepapers
The Effect of Inter-Link Dependencies on the Connectivity of Wireless Mesh Networks
March 11, 2008, 12:00am PDT
This paper presents a novel methodology for finding the network connectivity in wireless mesh networks. This methodology takes into account link dependencies in neighboring nodes. The methodology...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Simple Proportional Fairness Scheduling for OFDMA Frame-Based Wireless Systems
March 11, 2008, 12:00am PDT
The authors propose a packet scheduling scheme called OFDMA Frame-based Proportional Fairness (OFPF) for a frame-based OFDMA wireless system. OFPF aims to maximize system throughput as well as...
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Whitepapers
A Hybrid ARQ Scheme Based on Shortened Low-Density Parity-Check Codes
March 11, 2008, 12:00am PDT
This paper presents a Hybrid ARQ (HARQ) scheme based on shortened low-density parity-check (LDPC) codes. Although conventional incremental Redundancy HARQ (IRHARQ) schemes based on punctured LDPC...
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Whitepapers
Cross-Layer Multiservice Scheduling for Mobile WiMAx Systems
March 11, 2008, 12:00am PDT
The authors consider a cross-layer scheme for the downlink multiuser Orthogonal Frequency Division Multiple Access (OFDMA) for mobile WiMAX (Worldwide Interoperability for Microwave Access) based...
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Whitepapers
Analysis of Interference Effects in MB-OFDM UWB Systems
March 11, 2008, 12:00am PDT
The inter-modulation and cross-modulation products of interferences introduced by nonlinearities of the receiver could significantly degrade system performance, and should be properly estimated...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On the Distribution of Positioning Errors in Wireless Sensor Networks: A Simulative Comparison of Optimization Algorithms
March 11, 2008, 12:00am PDT
Recent advances in the technology of wireless electronic devices have made possible to build ad - hoc Wireless Sensor Networks (WSNs) using inexpensive nodes consisting of low power processors, a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Reduced-Complexity ICI Mitigation for Mobile SFBC-OFDM With Application to DVB-H
March 11, 2008, 12:00am PDT
Effective Inter-Carrier Interference (ICI) mitigation for MIMO-OFDM requires accurate channel estimation which is very challenging due to the large number and fast time-varying nature of the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Digital Baseband Compensation of I/Q Imbalance in Mobile OFDM
March 11, 2008, 12:00am PDT
Next-generation broadband wireless systems are required to provide higher rates, better reliability, and higher user mobility while targeting lower cost, lower power consumption, and higher levels...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An Efficient Resource Management Scheme With Guaranteed QoS of Heterogeneous Services in MIMO-OFDM System
March 11, 2008, 12:00am PDT
In this paper, an efficient resource management scheme applied to heterogeneous services scenario in Multiple-Input and Multiple-Output/Orthogonal Frequency Division Multiplexing (MIMO/OFDM)...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Capacity Estimation for IEEE 802.16 Wireless Multi-Hop Mesh Networks
March 11, 2008, 12:00am PDT
For a given multi-hop route in an IEEE 802.16 mesh network, the authors are interested in finding its end-to-end capacity so that admission control can be performed. The end-to-end capacity is...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Content-Aware ARQ for H.264 Streaming in UTRAN
March 11, 2008, 12:00am PDT
The UMTS architecture is expected to contribute to the success of video services. Its introduction has allowed packet-based video streaming to mobile devices to become a reality, leading video...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Traffic Pattern Prediction and Performance Investigation for Cognitive Radio Systems
March 11, 2008, 12:00am PDT
In this paper, the authors propose a technique for predicting the traffic pattern of primary users in cognitive radio systems. Cognitive radios enable sharing the frequency bands that are licensed...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Downlink VoIP Support for Evolved UTRA
March 11, 2008, 12:00am PDT
This paper presents the design of VoIP optimized packet scheduler and performance simulations for supporting voice services over downlink Evolved UTRA. An efficient packet scheduler taking into...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
IETT: A Quality Routing Metric for Multi-Rate Multi-Hop Networks
March 11, 2008, 12:00am PDT
Routing metrics are critical to select a path that yields a high throughput in multi-rate multi-hop wireless networks. This paper illustrates the weaknesses of existing routing metrics and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Simultaneous Handover Support for Mobile Networks on Vehicles
March 11, 2008, 12:00am PDT
With high mobility rates of vehicles, there may be frequent occurrences of simultaneous handover. The authors' work focuses on and straightens out the problems resulting from simultaneous handover...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
ABC2: A New Approach to Seamless Mobility Using Cellular Networks and WLANs
March 11, 2008, 12:00am PDT
Although the widespread deployment of cellular networks guarantees mobility in large ranges, it cannot completely support multimedia data. Similarly, although the explosive growth of WLANs...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Combining TLS and TPMs to Achieve Device and User Authentication for Wi-Fi and WiMAX Citywide Networks
March 11, 2008, 12:00am PDT
Deploying large-scale wireless citywide networks with strong authentication mechanisms has received considerable interest in industry and academic circles. In this paper, the authors present...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Virtual Flow Queueing for Improving TCP Performance Over IEEE 802.11 WLANs
March 11, 2008, 12:00am PDT
The authors propose a packet scheduling discipline called Virtual Flow Queueing (VFQ) to improve the end-to-end performance of TCP connections over IEEE 802.11 WLANs. VFQ is based on an...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Advanced Spectrum Management in Multicell OFDMA Networks Enabling Cognitive Radio Usage
March 11, 2008, 12:00am PDT
The regulatory perspective on how the spectrum should be allocated and utilized in future wireless scenarios is evolving towards a cautious introduction of more flexibility in spectrum management...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Potential of Code Division Multiplexing (CDM) and Spatial Diversity in Future Broadband OFDM Systems
March 11, 2008, 12:00am PDT
Code Division Multiplexing (CDM) is an efficient coding scheme without rate loss. The combination of robust and spectrally efficient Orthogonal Frequency Division Multiplexing (OFDM) with CDM...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Mobility-Aware Multi-Path Forwarding Scheme for Wireless Mesh Networks
March 11, 2008, 12:00am PDT
Localized mobility management is critical to achieve low handoff delay and signaling cost. However, the existing solutions may not be suitable for emerging Wireless Mesh Networks (WMNs), which are...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Iterative Receiver for MIMO-OFDM Systems With Joint ICI Cancellation and Channel Estimation
March 11, 2008, 12:00am PDT
In MIMO-OFDM systems, the time-varying fading of channel can destroy the orthogonality of subcarriers. This causes serious Inter-Carrier Interference (ICI), thus leading to significant system...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Decoding With Early Termination for Rateless (Luby Transform) Codes
March 11, 2008, 12:00am PDT
Fountain codes have recently gained wide attention in communications due to their capacity-approaching performance and rateless properties that allow them to seamlessly adapt to unknown channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Heuristics for Jointly Optimizing FEC and ARQ for Video Streaming Over IEEE 802.11 WLAN
March 11, 2008, 12:00am PDT
In this paper, the problem of selecting an appropriate number of Forward Error Correction (FEC) packets under given channel and network conditions is formulated as an optimization problem and two...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Front-End Design for MIMO Receivers
October 29, 2008, 12:00am PDT
The effect of antenna mutual coupling on fading correlation in compact MIMO arrays has received considerable attention. By contrast, relatively little attention has been paid to the noise. In this...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On the Ergodic Capacity of Frequency Selective MIMO Systems Equipped With MMSE Receivers: An Asymptotic Approach
October 29, 2008, 12:00am PDT
It is now well established that using multiple transmit and receive antennas potentially allows to increase the Shannon capacity of digital communications systems. Since the seminal work of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Sum Capacity of Opportunistic Scheduling for Multiuser MIMO Systems With Linear Receivers
October 29, 2008, 12:00am PDT
The authors analyze the sum capacity achieved by linear receivers in a multiple-input multiple-output broadcast channel. They consider a simple and practical opportunistic scheduling algorithm,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On Channel Estimation and Capacity for Amplify and Forward Relay Networks
October 29, 2008, 12:00am PDT
Relay networks have received considerable attention recently, especially when limited size and power resources impose constraints on the number of antennas within a wireless sensor network. In...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Precoding Assisted Blind CFO Estimation in Cooperative SFBC-OFDM Channels With Transmitter/Receiver IQ Imbalances
October 29, 2008, 12:00am PDT
In a distributed cooperative environment, synchronization is a major issue. Especially when OFDM is employed in the physical layer, frequency offset synchronization is of great significance. In...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Training Sequence Design for Bi-Directional Relay Networks
October 29, 2008, 12:00am PDT
In this paper, the problem of training sequence design in a bi-directional relay network is investigated. The two nodes Tx1 and Tx2 communicate with each other via a ReLay (RL). The RL receives...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On Channel Estimation for Amplify-and-Forward Two-Way Relay Networks
October 29, 2008, 12:00am PDT
In this paper, the authors study the channel estimation problem for the Two-way Wireless Relay Network (TWRN) where two terminals exchange their information through a relay node in a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
OLIC: OnLine Information Compression for Scalable Hosting Infrastructure Monitoring
June 11, 2011, 12:00am PDT
Quality-Of-Service (QoS) management often requires a continuous monitoring service to provide updated information about different hosts and network links in the managed system. However, it is a...
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Whitepapers
Creating Robust Activity Maps Using Wireless Sensor Network in a Smart Home
September 25, 2007, 12:00am PDT
This paper presents a practical application called "Activity map" to serve as guidance to show ambient intelligence-related contextual information gathered from both humans and their surrounding...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Hybrid Power Systems for Cell Sites in Mobile Cellular Networks
January 1, 2012, 12:00am PST
The power consumption of wireless access networks has become a major economic and environmental issue. Providing dedicated low cost power supply to off-grid cell sites located in the rural and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Dedicated Optical Connection Protection With IP Traffic in WDM Mesh Networks
March 1, 2012, 12:00am PST
The optical networks based on WDM (Wavelength Division Multiplex) technology can carry enormous amount of data in each fiber link in the network. The networks with the high capacity links have the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Implementation of Dynamic Voltage Restorer (DVR) and Distribution Static Compensator (D-STATCOM) for Power Quality Improvement
April 1, 2012, 12:00am PDT
Power quality has become an important issue in recent times when many utilities around the world find very difficult to meet energy demands which leads to load shedding and power quality problem....
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Simultaneous-Movement Mobile Multiplayer Game Design Based on Adaptive Background Partitioning Technique
April 1, 2012, 12:00am PDT
Implementations of mobile games have become prevalent industrial technology due to the ubiquitous nature of mobile devices. However, simultaneous-movement multiplayer games - games that a player...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Impact of Traffic Arrival Distributions on an 802.11 Ad Hoc Network: Modeling and Performance Study
May 1, 2012, 12:00am PDT
This paper investigates the impact of traffic arrival distributions on a typical 802.11 ad hoc network using simulation and modeling. In the investigation, four diverse traffic models...
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Whitepapers
MAC Protocol for Smart-Antenna Used Ad Hoc Networks With RTS/CTS Overhead Reduction
June 1, 2012, 12:00am PDT
This paper proposes a MAC protocol for ad hoc networks with smart antennas. In the proposed protocol, pulse/tone exchange mechanism is applied to smart-antenna networks. The mechanism...
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Whitepapers
Delay and Disruption Tolerant Authentication for Space Communications
May 1, 2012, 12:00am PDT
Some space communication scenarios, such as deep space communication networks, represent an example of delay and disruption tolerant networks, which may experience dynamic, long-delay links, and...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The Dedicated Optical Path Protection in WDM Mesh Networks and the Finite Differences of Available Capacity and the Connection Groups
July 1, 2012, 12:00am PDT
In this paper the problem of the traffic and the available network capacity of the WDM mesh networks are defined, analyzed and calculated by applying the difference equations. The requests for...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Adaptive Tree Search Detection With Variable Path Expansion Based on Gram-Schmidt Orthogonalization in MIMO Systems
July 1, 2012, 12:00am PDT
This paper proposes new adaptive tree search detection with variable path expansion based on Gram-Schmidt (GS) Orthogonalization (GSO) in MIMO systems. The authors adopt the GSO procedure to...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Quantitative Measurement and Design of Source-Location Privacy Schemes for Wireless Sensor Networks
September 8, 2011, 12:00am PDT
Wireless Sensor Networks (WSNs) have been widely used in many areas for critical infrastructure monitoring and information collection. While confidentiality of the message can be ensured through...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimum Space-Time Block Codes Over Time-Selective Channels
October 29, 2008, 12:00am PDT
The authors analyze the average Bit Error Probability (BEP) of orthogonal Space-Time Block Codes (STBC) over time-selective channels. Exact BEP results are obtained in closed form. Through the...
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Whitepapers
The Golden Code is Fast Decodable
October 29, 2008, 12:00am PDT
Multiple-Input Multiple Output (MIMO) technology offers higher transmission rates and improved performance over single-antenna systems. The spatial diversity and multiplexing gains offered by the...
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Whitepapers
State-Selection in a Space-Time-State Block Coded MIMO Communication System Using Reconfigurable PIXEL Antennas
October 29, 2008, 12:00am PDT
In this paper, the authors propose a novel Multiple-Input Multiple-Output (MIMO) wireless communication system employing reconfigurable PIXEL antennas at the receiver. They design a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Full Rate L2-Orthogonal Space-Time CPM for Three Antennas
October 29, 2008, 12:00am PDT
To overcome the reduction of channel capacity caused by fading, Telatar, Foschini and Gans described in the late 90s the potential gain of switching to Multiple Input Multiple Output (MIMO)...
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Whitepapers
Rateless Codes for MIMO Channels
October 29, 2008, 12:00am PDT
Two rateless code constructions are developed for efficient communication over Multi-Input Multi-Output (MIMO) Gaussian channels. The key ingredients in both architectures are layering, dithering,...
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Whitepapers
Performance Analysis of MIMO MRC in 3D Mobile-to-Mobile Double-Correlated Channels
October 29, 2008, 12:00am PDT
In this paper, the authors consider Multiple-Input Multiple-Output (MIMO) Maximal Ratio Combining (MRC) systems and assess the system performance in terms of average Symbol Error Probability...
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Whitepapers
A Stochastic Algorithm for Beamforming Using ESPAR Antennas
October 29, 2008, 12:00am PDT
Beamforming capabilities of Electronically Steerable Passive Array Radiator (ESPAR) antennas have attracted considerable attention in recent literature. In this paper, the authors consider a...
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Whitepapers
On the Performance of Adaptive Limited Feedback Beamforming in Distributed MIMO Systems
October 29, 2008, 12:00am PDT
This paper analyzes the performance of Limited FeedBack (LFB) beamforming in Multiple-Input Multiple-Output (MIMO) Distributed Antenna Systems (DAS). The averaged Effective Signal-to-Noise Ratio...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Quantizer Design for Codebook-Based Beamforming in Temporally-Correlated Channels
October 29, 2008, 12:00am PDT
Codebook-based transmit beamforming with receive combining is a simple and efficient strategy for Multiple-Input Multiple-Output (MIMO) wireless systems. However, as a closed-loop technique,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Mutual Coupling Effects in MIMO MRC Systems With Limited Feedback
October 29, 2008, 12:00am PDT
The authors consider the impact of transmitter correlation, mutual coupling and matching networks on the design and performance of MIMO MRC systems with limited feedback. They present codebook...
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Whitepapers
Differential Rotation Feedback MIMO System for Temporally Correlated Channels
October 29, 2008, 12:00am PDT
In fading channels, Multiple-Input Multiple-Output (MIMO) wireless systems make use of the spatial dimension of the channel to provide considerable capacity gain even when only partial Channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Self-Interference Aided Channel Estimation in Two-Way Relaying Systems
October 29, 2008, 12:00am PDT
In this paper, the authors propose a novel channel estimation scheme for the broadcast phase of the newly invented two-way relaying technique. Instead of using pilot sequences, they exploit the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
The History of Orthogonal Frequency Division Multiplexing
February 29, 2008, 12:00am PST
This paper depicts the development of Orthogonal Frequency Division Multiplexing from a historical perspective. A summary of major research milestones are noted that contributed to modern-day...
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Whitepapers
Early Spread-Spectrum and Automatic Equalization-NOMAC and Rake
October 29, 2008, 12:00am PDT
Today, both spread spectrum and automatic equalization of randomly varying linear channel distortions are well-worn tools underlying cellular telephony, high-speed modems and other workhorse...
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Whitepapers
Utilizing Path Diversity Via Asynchronous and Asymmetric Wakeups in Sensor Networks
October 29, 2008, 12:00am PDT
The authors present an asynchronous wakeup policy for wireless sensor networks that exploits the available path diversity for maximizing the expected network lifetime. They assume a random traffic...
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Whitepapers
Second Order Distributed Consensus Time Synchronization Algorithm for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
This paper proposes a novel discrete time Second-Order Distributed Consensus Time Synchronization (SO-DCTS) algorithm for wireless sensor networks. The consensus properties and convergence rates...
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Whitepapers
Decentralized Target Tracking Based on a Weighted Extended Kalman Filter for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
This paper presents a Weighted Extended Kalman Filter (WEKF) for target tracking in wireless sensor networks, where the location estimation is formulated as a Weighted Least Squares (WLS) problem...
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Whitepapers
Robust Edge Detection in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
The ability to geometrically represent sensed phenomena within a wireless sensor network can provide a more concise view than enumeration of all nodes identifying a phenomenon. A more concise view...
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Efficient Tracking of Moving Targets by Passively Handling Traces in Sensor Networks
October 29, 2008, 12:00am PDT
The authors study the important problem of tracking moving targets in wireless sensor networks. They try to overcome the limitations of standard state of the art tracking methods based on...
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Whitepapers
Asymptotic Performance of Distributed Detection in Clustered Multi-Hop Wireless Sensor Networks
October 29, 2008, 12:00am PDT
The authors consider a multi-hop clustered wireless sensor network in which sensor nodes use their observations of the environment to make local hard (0/1) decisions about whether an event has...
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Whitepapers
Cross-Layer Optimization for Energy-Timeliness Tradeoff in TDMA Based Sensor Networks
October 29, 2008, 12:00am PDT
Energy efficiency is a critical issue in wireless sensor networks. Energy consumption can be saved by using a lower transmission power, but this also increases the channel error rate and the...
Provided by Institute of Electrical & Electronic Engineers
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