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Institute of Electrical & Electronic Engineers
(11333 results)-
Whitepapers
Throughput of Distributed Cyclic Delay Diversity MC-CDMA Relaying Over Nakagami-M Fading Channels
March 11, 2008, 12:00am PDT
Distributed Cyclic Delay Diversity (DCDD) multistage MC-CDMA system communication system is shown to yield superior performance over traditional link network. The benefits provided by increased...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Broadcast Routing and Channel Selection in Multi-Radio Wireless Mesh Networks
March 11, 2008, 12:00am PDT
In multi-radio wireless mesh networks, each node can be equipped with multiple network interface cards tuned to different channels. In this paper, the authors present a routing and channel...
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Whitepapers
Replacement of Spectrum Sensing and Avoidance of Hidden Terminal for Cognitive Radio
March 11, 2008, 12:00am PDT
Cognitive radio technique has been recently proposed as a novel approach for improving the utilization of the precious limited radio resources, by letting secondary users access primary users'...
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Whitepapers
A Framework of Cross-Layer Superposition Coded Multicast for Robust IPTV Services Over WiMAX
March 11, 2008, 12:00am PDT
A Cross-Layer Design (CLD) framework for robust and efficient video multicasting over IEEE 802.16 (or WiMAX) is introduced. In the framework, multiple description coding on scalable video...
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Whitepapers
Exploiting Historical Spectrum Occupancy Information for Adaptive Spectrum Sensing
March 11, 2008, 12:00am PDT
At present wireless devices are able to select their working frequency only to a limited extend although several measurements have shown that the current spectrum regulations are inefficient....
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Whitepapers
Exploiting Phase Noise Properties in the Design of MIMO-OFDM Receivers
March 11, 2008, 12:00am PDT
Phase Noise (PN) is a serious challenge for multicarrier systems as it can drastically decrease the system performance. In order to tackle this problem, recent contributions propose iterative...
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Whitepapers
Aisle Routing for Mobile Ad Hoc Networks
March 11, 2008, 12:00am PDT
Mobility in ad hoc networks causes routes to break disrupting traffic flows and triggering additional routing overhead. The authors address this problem with a novel hybrid routing protocol, Aisle...
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Whitepapers
Enhancements to Linear Least Squares Localization Through Reference Selection and ML Estimation
March 11, 2008, 12:00am PDT
Linear Least Squares (LLS) estimation is a low complexity but sub-optimum method for estimating the location of a Mobile Terminal (MT) from some distance measurements. It requires selecting one of...
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Whitepapers
A Novel Dynamic Directional Cell Breathing Mechanism With Rate Adaptation for Congestion Control in WCDMA Networks
March 11, 2008, 12:00am PDT
In future cellular networks, random users' mobility as well as time-varying multimedia traffic activity make cellular networks design a challenging task. To efficiently utilize the limited...
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Whitepapers
Modeling User Churning Behavior in Wireless Networks Using Evolutionary Game Theory
March 11, 2008, 12:00am PDT
Churning of mobile users from one service provider to another is expected to become a common feature when the mobile users have freedom to choose the best wireless service. This churning behavior...
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Whitepapers
Achievable Rates for the Three User Cooperative Multiple Access Channel
March 11, 2008, 12:00am PDT
For a three user Gaussian Multiple Access Channel (MAC), the authors propose a new superposition block Markov encoding based cooperation scheme. Their scheme allows the three users to...
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Whitepapers
Capacity Study of Vehicle-to-Roadside MIMO Channels With a Line-of-Sight Component
March 11, 2008, 12:00am PDT
In this paper, the performance of a Multiple-Input Multiple-Output (MIMO) system is assessed in the case of vehicle-to-roadside communications. The authors investigate a Line-of-Sight (LoS)...
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Whitepapers
Per-Application Mobility Management With Cross-Layer Based Performance Enhancement
March 11, 2008, 12:00am PDT
With the advance of various wireless access technologies, the demand for a mobile user equipped with multiple air interfaces simultaneously executing diverse applications emerged. In such network...
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Whitepapers
Senslets - Applets for the Sensor Internet
March 11, 2008, 12:00am PDT
This paper presents new approaches for dynamically integrating sensors into a surrounding computing infrastructure. The authors' work is based on small programs - called Senslets - that are stored...
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Whitepapers
Real-World Oriented Communication Platform "LocationCall"
March 11, 2008, 12:00am PDT
The authors propose a real-world oriented communication platform "LocationCall", which is a new type of location-based service. LocationCall achieves localized voice communication service by...
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Whitepapers
Proportion-Integral Power Control for Wireless Ad Hoc Networks
March 11, 2008, 12:00am PDT
Power control plays an important role in wireless communications. However, most existing power control protocols are not efficient enough to be applied in real ad hoc network systems. In this...
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Whitepapers
Competitive Spectrum Sharing and Pricing in Cognitive Wireless Mesh Networks
March 11, 2008, 12:00am PDT
In a cognitive wireless network, the licensed users (i.e., primary users) can sell redundant spectrum to unlicensed users (i.e., secondary users) or secondary service providers. The authors...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Cooperative Spectrum Sensing with Multi-Bits Local Sensing Decisions in Cognitive Radio Context
March 11, 2008, 12:00am PDT
There are two important constraints for cooperative spectrum sensing in Cognitive Radio (CR) context. Firstly, as the CR system can only tolerate low transmitting overhead, the local sensing data...
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Whitepapers
Joint Routing and Gateway Selection in Wireless Mesh Networks
March 11, 2008, 12:00am PDT
A family of mathematical programs for both the uncapacitated and capacitated joint gateway selection and routing (U/C-GSR) problem in wireless mesh networks are presented. The authors detail a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
OTLR: Opportunistic Transmission with Loss Recovery for WLANs
March 11, 2008, 12:00am PDT
With opportunistic transmissions, a node exploits a stable high data rate to transmit multiple frames (instead of one) whenever it captures a contended medium. The IEEE 802.11 networks could...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Voice Capacity Analysis and Enhancement in Wireless LAN
March 11, 2008, 12:00am PDT
Effective support of VoIP over Wireless LAN (WLAN) remains a crucial challenge for the last-mile wireless coverage of IP networks with mobility support. Due to the limited bandwidth available in a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Mobility Pattern Aware Routing for Heterogeneous Vehicular Networks
March 11, 2008, 12:00am PDT
The Intelligent Transportation System (ITS), a worldwide initiative program utilizes novel information and communication technology for transport infrastructure and vehicles. Among extensive ITS...
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Whitepapers
A Universal Code-Modulated Path-Sharing MultiAntenna Receiver
March 11, 2008, 12:00am PDT
Conventional multi-antenna systems require multiple RF chains, baseband blocks, and Analog-To-Digital Converters (ADC) in the receiver front-end, mandating substantial increases in power...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Architecture of a 802.11b Access Point with SinglePacket Radiolocation
March 11, 2008, 12:00am PDT
This is the third in a series of papers describing an 802.11b (Wi-Fi) radiolocator. This device determines the direction of arrival of individual data packets, at a speed equal to the rate of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On the Performance of a Multi-User Multi-Antenna System with Transmit Zero-Forcing Beamforming and Feedback Delay
March 11, 2008, 12:00am PDT
This paper considers Zero-Forcing Beam Forming (ZFBF) at the transmitter for a downlink Multi-User Multiple Input Single-Output (MU-MISO) system. Transmit beamforming as a simple yet efficient...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An Efficient Spatial-Amplitude Diversity Technique for Multicarrier On-Off-Keying Communication Systems
March 11, 2008, 12:00am PDT
Although non-coherent Multicarrier On-Off keying (MOOK) is a relatively bandwidth inefficient technique, the simplicity of its transmitter-receiver pair and inherent coding ability make it a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An End-to-End Measurement-Based Admission Control Policy for VoIP Over Wireless Networks
March 11, 2008, 12:00am PDT
in this paper, the authors present a new policy for admitting Voice over IP (VoIP) sessions over wireless networks. Their proposed policy receives the admission information advertised by the VoIP...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Energy Detection Using Estimated Noise Variance for Spectrum Sensing in Cognitive Radio Networks
March 11, 2008, 12:00am PDT
In this paper, the authors analyze the performance of spectrum sensing based on energy detection. They do not assume the exact noise variance is known a priori. Instead, an estimated noise...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Maximal Power-Conserving Scheduling Algorithm for Broadband Wireless Networks
March 11, 2008, 12:00am PDT
The limitation on the battery lifetime has been a critical issue for the advancement of mobile computing. Different types of power-saving techniques have been proposed in various fields. In order...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On the Impact of Mobility and Joint RRM Policies on a Cooperative WiMAX/HSDPA Network
March 11, 2008, 12:00am PDT
In this paper, the authors develop a generic Markovian model to study the dynamics of data service in a multi-cell context, and apply it to cells served by HSDPA and WiMAX access networks. They...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Coexistence Empirical Study and Analytical Model for Low-Rate WPAN and IEEE 802.11b
March 11, 2008, 12:00am PDT
The IEEE 802.11 and Low Rate WPAN (LR-WPAN) wireless networks can provide complimentary services and are likely to be installed within the same environments. Coexistence between the networks would...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Channel-Dependent Scheduling of an Uplink SC-FDMA System with Imperfect Channel Information
March 11, 2008, 12:00am PDT
Channel-Dependent Scheduling (CDS) can increase the data throughput of a cellular system by exploiting multi-user diversity and frequency selectivity in the channel. In this paper, the authors...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Evaluating MPEG-4 AVC Video Streaming over IEEE 802.11 Wireless Distribution System
March 11, 2008, 12:00am PDT
The high cost of rewiring existing houses with Ethernet to support broadband home networks has motivated consumers and service providers for "No-new-wires" and "Nowires" technologies. IEEE 802.11...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Spectral Efficiency Enhancement Techniques for Multicarrier On-Off Keying Transmission
March 11, 2008, 12:00am PDT
Amongst the advantages of Multicarrier On-Off Keying (MOOK) is the simplicity of its transmitter-receiver pair and inherent good performance in noisy channels which make it a popular choice for...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Robust Transmission for Multiuser MIMO Downlink Systems with Imperfect CSIT
March 11, 2008, 12:00am PDT
The performance of multiuser MIMO (MU-MIMO) downlink systems with precoding and decoding method by minimizing the Total Mean Square Error (TMSE) of all data streams of all users (T-MMSE) depends...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An Opportunistic MAC in Multichannel Multiradio Wireless Ad Hoc Networks
March 11, 2008, 12:00am PDT
Opportunistic scheduling has been known as one of the possible ways of exploiting multi-user diversity, which comes from the time-varying propagation characteristics and broadcast nature of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Toward Mobility and Multihoming Unification The SHIM6 Protocol: A Case Study
March 11, 2008, 12:00am PDT
Multihoming and mobility in IPv6 are usually considered as two disjoints concepts. This has lead to the development of the two protocols family separately. However, the new IPv6 terminals are most...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Multicast Multiuser ARQ
March 11, 2008, 12:00am PDT
In this paper, multiuser ARQ is extended to multicasting. The core idea is that the sender, based on feedback from users regarding successfully received transmissions, adapts code weights for data...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Widest Spanning Tree for Multi-Channel Multi-Interface Wireless Mesh Networks
March 11, 2008, 12:00am PDT
Efficient broadcast schemes are essential in Wireless Mesh Networks (WMNs) for minimizing the content update time. In this paper, the authors consider the widest spanning tree problem in a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Error Rate Analysis for Bit-Loaded Coded OFDM
March 11, 2008, 12:00am PDT
Bit-loaded Orthogonal Frequency Division Multiplexing (OFDM) with convolutional coding is a powerful technique for transmission over quasi-static frequency-selective fading channels. Motivated by...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Rate Routing in Wireless Sensor Networks With Guaranteed Lifetime
October 29, 2008, 12:00am PDT
Channel capacity and node energy represent resources and constraints in designing efficient routing schemes for Wireless Sensor Networks (WSNs). To delivery more data, a higher rate is desirable,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
DPRMM: A Novel Coverage-Invariant Mobility Model for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Existing mobility models for wireless sensor networks generally do not preserve a uniform scattering of the sensor nodes within the monitored area. This paper proposes a coverage-preserving random...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Modeling Mobility-Assisted Data Collection in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Exploiting mobility to enhance the performance of Wireless Sensor Networks (WSNs), in terms of connectivity, coverage, and lifetime elongation, has recently been the focus of several research...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimal Target Detection With Localized Fusion in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Detecting the presence/absence of an object in a region of interest is one of the important applications for sensor networks. A considerable amount of work has been seen in the literature for...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Distortion Analysis for Real-Time Reconstruction of Correlated Data Field in Heterogeneous Sensor Networks
October 29, 2008, 12:00am PDT
This paper deals with the analysis of distortion introduced in the real time reconstruction of a spatio-temporally correlated field by a sink node. The field is measured by a randomly deployed...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
On Proportional Fair Scheduling in Multi-Antenna Wireless Mesh Networks-Theoretical Analysis
October 29, 2008, 12:00am PDT
Proportional Fair Scheduling (PFS) provides good balance between throughput and fairness via multi-user diversity and game-theoretic equilibrium. Very little analytical work exists on...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Channel Modeling of Wireless Networks in Tunnels
October 29, 2008, 12:00am PDT
The propagation characteristics of ElectroMagnetic (EM) waves in tunnels are significantly different from those in terrestrial environment. However, the current tunnel channel models cannot...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Bilateral Shapley Value Based Cooperative Gateway Selection in Congested Wireless Mesh Networks
October 29, 2008, 12:00am PDT
In Wireless Mesh Networks (WMNs), the achievable throughput of a mesh client to a GateWay (GW) is limited by the minimum link capacity of the intermediate nodes. In instances when the intermediate...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Pairing-Based Secure Timing Synchronization for Heterogeneous Sensor Networks
October 29, 2008, 12:00am PDT
Secure time synchronization is one of the key concerns for some sophisticated sensor network applications. Most existing time synchronization protocols are affected by almost all attacks. In this...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Epidemic Propagation in Overlaid Wireless Networks
October 29, 2008, 12:00am PDT
With the emergence of computer worms that can spread over air interfaces, wireless ad hoc and sensor networks can be vulnerable to node compromises even if the deployed network is not connected to...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Combinatorial Approach for Key-Distribution in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Sensor nodes are usually deployed in adversarial environments in which they are subject to compromise and revelation of critical information rendering the entire network useless. Therefore, secure...
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Whitepapers
Weaving a Proper Net to Catch Large Objects
October 29, 2008, 12:00am PDT
Wireless sensor networks are usually over-engineered, i.e., more than required sensors are deployed and remain active in order to cover each point in the monitored field with a high probability at...
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Whitepapers
A New Security Scheme for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Wireless Sensor Networks (WSN) is ad-hoc mobile networks in which the sensors have limited resources and communication capabilities. Secure communications in some wireless sensor networks are...
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Whitepapers
An Energy Efficient Hybrid Medium Access Control Scheme for Wireless Sensor Networks With Quality of Service Guarantees
October 29, 2008, 12:00am PDT
In this paper, the authors present a new MAC layer protocol for wireless sensor networks that reduces energy consumption and provides Quality of Service (QoS) guarantees through the use of service...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Optimizing Video Transmission over Wireless Multimedia Sensor Networks
October 29, 2008, 12:00am PDT
This paper proposes an efficient packet scheduling scheme for minimizing perceived video distortion and power consumption over multipath wireless multimedia sensor networks. The proposed...
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Whitepapers
A Wireless Array Based Cooperative Sensing Model in Sensor Networks
October 29, 2008, 12:00am PDT
In Wireless Sensor Network (WSN), the performance and effectiveness of the network is highly dependant on its geographical coverage. However, in many applications the actual coverage cannot be...
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Whitepapers
Lifetime Analysis for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
The nodes of Wireless Sensor Networks (WSNs) have the dual function of gathering information and relaying it to a central collection point, the sink. For the latter function the key is...
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Whitepapers
Fuzzy Algorithms for Maximum Lifetime Routing in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
The authors address the maximum lifetime routing problem in Wireless Sensor Networks (WSNs) and propose two online routing algorithms based on fuzzy logic, namely fuzzy maximum lifetime algorithm...
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Whitepapers
Routing in Three Dimensional Wireless Sensor Networks
October 29, 2008, 12:00am PDT
A sensor network is a promising technology that can be used to avoid disasters such as fire, storm, etc. This technology needs to be improved in terms of several issues. In this paper, the authors...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Oriented Void Avoidance Scheme for Real-Time Routing Protocols in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
To avoid the negative impact of void areas on real-time routing efficiency, the authors propose in this paper an oriented void avoidance scheme for wireless sensor networks. To select the...
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Whitepapers
Designing an Application-Aware Routing Protocol for Wireless Sensor Networks
October 29, 2008, 12:00am PDT
Routing protocols that can facilitate application-specific service guarantee in Wireless Sensor Networks (WSN) constitute one of the key design objectives of current WSN research. Since,...
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Whitepapers
A Load-Balanced Guiding Navigation Protocol in Wireless Sensor Networks
October 29, 2008, 12:00am PDT
One of the major applications of wireless sensor networks is guiding navigation service with its goal to assist moving objects in leaving a hazardous region safely and quickly. In this paper, the...
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Whitepapers
Random Access Compressed Sensing for Energy-Efficient Underwater Sensor Networks
September 1, 2011, 12:00am PDT
Inspired by the theory of compressed sensing and employing random channel access, the authors propose a distributed energy-efficient sensor network scheme denoted by Random Access Compressed...
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Whitepapers
Co-Channel Interference Mitigation Capability of Fixed Relays Connected by Optical Fibre
July 27, 2010, 12:00am PDT
In this paper, the authors consider the co-channel interference mitigation capability of fixed relay aided wireless systems, where the relays are linked to the base station using realistic...
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Whitepapers
Effects of Practical Impairments on Cooperative Distributed Antennas Combined With Fractional Frequency Reuse
March 12, 2012, 12:00am PDT
Cooperative Multiple Point (CoMP) transmission aided Distributed Antenna Systems (DAS) are proposed for increasing the received Signal-to-Interference-plus-Noise-Ratio (SINR) in the cell-edge area...
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Whitepapers
Imperfect Digital Fibre Optic Link Based Cooperative Distributed Antennas With Fractional Frequency Reuse in Multicell Multiuser Networks
September 26, 2011, 12:00am PDT
The achievable throughput of the entire cellular area is investigated, when employing fractional frequency reuse techniques in conjunction with realistically modelled imperfect optical fibre aided...
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Whitepapers
Digital RoF Aided Cooperative Distributed Antennas with FFR in Multicell Multiuser Networks
July 27, 2011, 12:00am PDT
The classic Unity Frequency Reuse (UFR) pattern may be applied by wireless systems in order to maximize the attainable area spectral efficiency at the cost of increasing the co-channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
End-to-End Differentiation of Congestion and Wireless Losses
January 1, 2012, 12:00am PST
In this paper, the authors explore end-to-end Loss Differentiation Algorithms (LDAs) for use with congestion-sensitive video transport protocols for networks with either backbone or last-hop...
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Whitepapers
An Overview of MIMO-Oriented Channel Access in Wireless Networks
January 20, 2009, 12:00am PST
The integration of MIMO technology in WLANs has recently been the focus of extensive research. The main objectives of this technology are to improve channel reuse and/or reduce energy consumption....
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Whitepapers
Wireless Relays for Broadband Access
January 20, 2009, 12:00am PST
This paper presents the outlook of the overall broadband market and operators' challenges in offering profitable mass market mobile data services. The concept of wireless relaying and its state of...
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Whitepapers
Spectrum Sensing in Cognitive Radio Networks: Requirements, Challenges and Design Trade-Offs
January 20, 2009, 12:00am PST
Opportunistic unlicensed access to the (temporarily) unused frequency bands across the licensed radio spectrum is currently being investigated as a means to increase the efficiency of spectrum...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Tutorial Survey on Vehicular Ad Hoc Networks
January 20, 2009, 12:00am PST
There has been significant interest and progress in the field of vehicular ad hoc networks over the last several years. VANETs comprise vehicle-to-vehicle and vehicle-to-infrastructure...
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Whitepapers
Mobile WiMAX Systems: Performance and Evolution
January 20, 2009, 12:00am PST
Mobile WiMAX was successfully adopted by ITU as one of the IMT-2000 technologies in November 2007. Since then mobile WiMAX (a.k.a., IP-OFDMA) has officially become a major global cellular wireless...
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Whitepapers
Mobile Solution for Three-Tier Biofeedback Data Acquisition and Processing
October 29, 2008, 12:00am PDT
Wireless sensor networks span from military applications into everyday life. Body sensor networks greatly benefit from wireless sensor networks to answer the biofeedback challenges in healthcare...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Assigning Sensors to Competing Missions
October 29, 2008, 12:00am PDT
When a sensor network is deployed in the field, it is typically required to support multiple simultaneous missions, which may start and finish at different times. Schemes that match sensor...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Energy Optimized Path Unaware Layered Routing Protocol for Underwater Sensor Networks
October 29, 2008, 12:00am PDT
Finding an optimal routing path in adverse underwater environment in an UnderWater Sensor Network (UWSN) has always been a challenging task. By taking these issues into consideration the authors...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
An Improved Communications Model for Underwater Sensor Networks
October 29, 2008, 12:00am PDT
Underwater sensor network deployment can be quite difficult and expensive, thus much of the early development is limited to simulation work. There are some underwater physical channel models...
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Whitepapers
A Novel Fading-Tolerant High-Accuracy Localization Algorithm Using Distributed Space-Time Block Codes
October 29, 2008, 12:00am PDT
In wireless sensor networks, localization in indoor environment suffers from non-LOS (Line-Of-Sight) and multi-path fading. In this paper, a new localization algorithm is proposed, which makes...
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Whitepapers
Localization Error Evaluation in Heterogeneous Sensor Networks
October 29, 2008, 12:00am PDT
This paper proposes a hierarchical two-step localization method for heterogeneous sensor networks. The network consists of three types of nodes: anchor nodes with known locations, a few nodes...
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Whitepapers
Adaptive Source Localization by a Mobile Robot Using Signal Power Gradient in Sensor Networks
October 29, 2008, 12:00am PDT
In this paper, the authors propose a novel approach of signal power gradient by which a robot adaptively searches a location-unknown sensor. While moving, the robot measures signal strength and...
Provided by Institute of Electrical & Electronic Engineers
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