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Institute of Electrical and Electronics Engineers
(11071 results)-
White Papers
Power-Efficient Resource Allocation and Quantization for TDMA Using Adaptive Transmission and Limited-Rate Feedback
September 1, 2008, 12:00am PDT
Power-efficient scheduling and resource allocation are critical tasks for wireless sensor networks as well as commercial and tactical radios relying on IEEE access standards for power-limited...
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White Papers
Topology-Transparent Distributed Scheduling in Multi-Hop Wireless Networks
May 20, 2009, 12:00am PDT
Transmission scheduling is a key design problem in wireless multi-hop networks and many scheduling algorithms have been proposed to maximize the spatial reuse and minimize the Time-Division...
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White Papers
Joint Power Control and Link Scheduling in Wireless Networks for Throughput Optimization
August 27, 2009, 12:00am PDT
This paper concerns the problem of finding the minimum-length TDMA frame of a power-controlled wireless network subject to traffic demands and SINR (signal-to-interference-plus-noise ratio)...
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White Papers
Distributed Call Admission Protocol for Multi-Channel Multi-Radio Wireless Networks
December 6, 2007, 12:00am PST
This paper proposes a Distributed Call Admission Control protocol (DCAC) to provide bandwidth and delay guaranteed Quality of Service (QoS) in multihop wireless mesh networks, by exploiting the...
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White Papers
Wireless Sensor Networks for Surveillance Applications - A Comparative Survey of MAC Protocols
August 1, 2008, 12:00am PDT
Wireless sensor nodes are made up of small electronic devices which are capable of sensing, computing and transmitting data from harsh physical environments. These sensor nodes depend on batteries...
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White Papers
Joint Stream Control and Scheduling in Multihop Wireless Networks With MIMO Links
December 10, 2008, 12:00am PST
MIMO links can significantly improve network throughput by supporting multiple concurrent data streams between a pair of nodes and suppressing wireless interference. This paper formally defines a...
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White Papers
Non-Preemptive Constrained Link Scheduling in Wireless Mesh Networks
February 24, 2009, 12:00am PST
This paper considers the problem of link scheduling with non-preemptive constraint in wireless mesh networks. In real-world implementation, there is often a constraint that a link can only...
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White Papers
Minimum Schedule Lengths With Rate Control in Wireless Networks
October 21, 2008, 12:00am PDT
This paper studies the problem of joint scheduling and rate control in wireless networks, when each transmitter has a finite amount of data traffic to deliver to its corresponding receiver. The...
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White Papers
Interference Management in WLAN Mesh Networks Using Free-Space Optical Links
July 1, 2008, 12:00am PDT
Frequency channels are assigned in Wireless Local-Area Network (WLAN) mesh networks subject to strict cochannel interference constraints. Since Wi-Fi may be freely used by other networks, added...
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White Papers
Wireless Sensor Networks for Early Detection of Forest Fires
August 18, 2007, 12:00am PDT
This paper presents the design and evaluation of a wireless sensor network for early detection of forest fires. The paper first presents the key aspects in modeling forest fires. The author does...
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White Papers
Blue Danger: Live Action Gaming Over Bluetooth
April 10, 2009, 12:00am PDT
A community live action game over Bluetooth, namely Blue Danger, is proposed in this paper. The market penetration of Bluetooth provides an excellent media for such game in which a large number of...
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White Papers
An Application Dependent Medium Access Protocol for Active RFID Using Dynamic Tuning of the Back-Off Algorithm
November 13, 2009, 12:00am PST
Active Radio Frequency Identification (A-RFID) is a technology where the tags (transponders) carry an on-board energy source for powering the radio, processor circuits, and sensors. Besides...
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White Papers
Turbo-Code Division Multiple Access: Capacity Enhancement of Mobile Satellite Systems Using Narrowband Multiuser Detection
July 29, 2008, 12:00am PDT
This paper presents a new type of multiple access for fixed and mobile satellite communication systems aiming at improving the bandwidth efficiency of highly reliable links suited for air traffic...
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White Papers
Hybrid WDM/TDMA-PON Using Self-Homodyne and Differential Coding
April 1, 2009, 12:00am PDT
A hybrid wavelength-division-multiplexing/time-division multiple access - passive optical network system using self-homodyne scheme and differential coding was proposed. The laser seed light...
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White Papers
A QoS Architecture for IDMA-Based Multi-Service Wireless Networks
February 11, 2009, 12:00am PST
The recent investigations on Interleave-Division Multiple-Access (IDMA) have demonstrated its advantage in supporting high-data-rate and multi-rate services over wireless fading channels. This...
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White Papers
A Low-IF CMOS Simultaneous GPS Receiver Integrated in a Multimode Transceiver
October 22, 2009, 12:00am PDT
Since the FCC mandates the E911 (Enhanced 911) services, carriers using GPS chips to help determine a user's location need to upgrade all handsets in use to GPS-capable models. Meanwhile, the...
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White Papers
An Energy-Aware Protocol for Data Gathering Applications in Wireless Sensor Networks
March 6, 2009, 12:00am PST
Data gathering is a major function of many applications in Wireless Sensor Networks (WSNs). The most important issue in designing a data gathering algorithm is how to save energy of sensor nodes...
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White Papers
QoS Routing in Wireless Mesh Networks With Cognitive Radios
December 11, 2008, 12:00am PST
This paper studies QoS routing in wireless mesh networks with cognitive radios, which involves route selection, channel allocation and scheduling. It turns out to be a hard problem because of the...
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White Papers
Distributed Spectrum-Efficient Routing Algorithms in Wireless Networks
December 1, 2008, 12:00am PST
This paper applies spectral efficiency as a performance measure for routing schemes and considers how to obtain a good route in a wireless network. The objective for this study is to combine...
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White Papers
Admission Control and Routing in Multi-Hop Wireless Networks
December 11, 2008, 12:00am PST
To enable services such as streaming multimedia and voice in multi-hop wireless networks it is necessary to develop algorithms that guarantee Quality of Service (QoS). This paper considers the...
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White Papers
Interval Hash Tree: An Efficient Index Structure for Searching Object Queries in Large Image Databases
July 21, 2009, 12:00am PDT
As image databases grow large in size, index structures for fast navigation become important. In particular, when the goal is to locate object queries in image databases under changes in pose,...
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White Papers
A Generic Local Algorithm for Mining Data Streams in Large Distributed Systems
August 6, 2008, 12:00am PDT
Computing global data mining models e.g. decision trees; kmeans clustering in large distributed systems may be very costly due to the scale of the system and due to communication cost, which may...
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White Papers
Fast Algorithms and Performance Bounds for Sum Rate Maximization in Wireless Networks
April 20, 2009, 12:00am PDT
Sum rate maximization by power control is an important, challenging, and extensively studied problem in wireless networks. It is a non-convex optimization problem and achieves a rate region that...
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White Papers
A Highly Accurate Method for Assessing Reliability of Redundant Arrays of Inexpensive Disks (RAID)
March 1, 2009, 12:00am PST
The statistical bases for current models of RAID reliability are reviewed, and a highly accurate alternative is provided and justified. This new model corrects statistical errors associated with...
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White Papers
Activity Modeling Using Event Probability Sequences
April 4, 2008, 12:00am PDT
Changes in motion properties of trajectories provide useful cues for modeling and recognizing human activities. It associates an event with significant changes that are localized in time and...
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White Papers
Palmprint Recognition Using 3-D Information
September 3, 2009, 12:00am PDT
Palmprint has proved to be one of the most unique and stable biometric characteristics. Almost all the current palmprint recognition techniques capture the 2-D image of the palm surface and use it...
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White Papers
Palmprint Based Biometric System: A Comparative Study on Discrete Cosine Transform Energy, Wavelet Transform Energy and SobelCode Methods
October 3, 2008, 12:00am PDT
Palmprint based biometric identification has gradually attracted the attention of researchers due to its richness in amount of features. Palmprint contains geometry features, line features, point...
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White Papers
Phyllo: A Peer-to-Peer Overlay Security Framework
March 20, 2009, 12:00am PDT
To address overlay security problems, it proposes Phyllo, a node-partitioning framework that isolates untrusted nodes from the core network. Yet, the isolated nodes can still participate in...
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White Papers
Phishing Infrastructure Fluxes All the Way
September 1, 2009, 12:00am PDT
Fast flux aims to keep phishing and scam campaigns afloat by provisioning a fraudulent Web site's DNS records to make the site resolve to numerous, short-lived IP addresses. Although fast flux...
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White Papers
Statistical Decision Making for Authentication and Intrusion Detection
November 13, 2009, 12:00am PST
User authentication and intrusion detection differ from standard classification problems in that while one has data generated from legitimate users, impostor or intrusion data is scarce or...
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White Papers
Remote Attestation for HDD Files Using Kernel Protection Mechanism
November 1, 2009, 12:00am PDT
A remote attestation that measures files on a Hard Disk Drive (HDD) is important for intrusion detection on a data center server. When the server is infected by a rootkit, the kernel may reply...
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White Papers
Risk Assessment of a National Security Infrastructure
January 17, 2009, 12:00am PST
A public-key infrastructure is a collection of hardware, software, processes, and people that together provide security services based on public-key cryptography. Many countries, including Norway,...
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White Papers
Effective Buffer and Storage Management in DTN Nodes
September 2, 2009, 12:00am PDT
Current wired networks have been developed on the basis of the AIMD principle, which offers increased performance and fairness. Nevertheless, there is a vast spectrum of networks, from deep space...
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White Papers
A 0.35-µm CMOS Solar Energy Scavenger With Power Storage Management System
October 22, 2009, 12:00am PDT
This paper presents an integrated solar energy scavenger realized in a 0.35 µm CMOS technology. The proposed system collects solar energy from the environment through integrated diodes,...
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White Papers
A Practical Look at Micro-Kernels and Virtual Machine Monitors
November 9, 2009, 12:00am PST
This paper looks at two different approaches used to provide embedded system support for virtualization and virtual machine monitors for consumer electronics and mobile devices. The paper compares...
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White Papers
Power Management of Datacenter Workloads Using Per-Core Power Gating
September 21, 2009, 12:00am PDT
Dynamic Voltage and Frequency Scaling (DVFS) is one of the most successful power management mechanisms provided by modern processors. Nevertheless, the efficacy of DVFS is limited by its dynamic...
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White Papers
CloudBLAST: Combining MapReduce and Virtualization on Distributed Resources for Bioinformatics Applications
February 4, 2009, 12:00am PST
This paper proposes and evaluates an approach to the parallelization, deployment and management of bioinformatics applications that integrates several emerging technologies for distributed...
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White Papers
A Comparison of Virtualization Technologies for HPC
November 5, 2008, 12:00am PST
Virtualization is a common strategy for improving the utilization of existing computing resources, particularly within data centers. However, its use for High Performance Computing (HPC)...
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White Papers
Enhanced Server Fault-Tolerance for Improved User Experience
June 27, 2008, 12:00am PDT
Interactive applications such as email, calendar, and maps are migrating from local desktop machines to data centers due to the many advantages offered by such a computing environment....
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White Papers
Interactive Coordinated Multiple-View Visualization of Biomechanical Motion Data
June 26, 2009, 12:00am PDT
This paper presents an interactive framework for exploring space-time relationships in databases of experimentally collected high-resolution biomechanical data. These data describe complex 3D...
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Whitepapers
Analysis of RFID Mutual Authentication Protocols
February 24, 2009, 12:00am PST
In order to secure RFID transactions, an authentication scheme has originally been included as part of the "EPC Gen2" industrial standard. This scheme, however, has been found to have some...
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Whitepapers
Context-Aware Geographic Routing for Sensor Networks with Routing Holes
February 24, 2009, 12:00am PST
Modern sensor networks are deployed in various terrains of interest. As the complexity of their deployed areas is growing, existing geographic routing algorithms are facing challenges. Holes in...
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Whitepapers
Performance Prediction in Adaptive MIMO Systems
February 24, 2009, 12:00am PST
In Multiple Input Multiple Output (MIMO) systems, predicting performance prior to data transmission remains a difficult problem. This paper proposes an algorithm to predict the average Bit Error...
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Whitepapers
On the Outage Probability in Amplify-and-Forward Relay Channels
February 24, 2009, 12:00am PST
Cooperative diversity has been proposed to benefit from spatial diversity when MIMO systems cannot be deployed because of technical constraints. Multi-hop transmission is a possible cooperative...
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Whitepapers
Aproximating Size of Maximal Clique in a Node's Neighbourhood in the Ad Hoc Networks
February 24, 2009, 12:00am PST
A wireless ad-hoc network consists of a collection of nodes which can be static or mobile. The nodes communicate among themselves over a wireless medium, without a fixed or predefined backbone...
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Whitepapers
Performance Analysis of OFDM System Over Time-Selective Fading Channels
February 24, 2009, 12:00am PST
In fast moving environment, the Inter-Carrier Interference (ICI) due to Doppler spread will degrade the performance of OFDM system severely. Using Jakes' model for the Doppler power spectrum and...
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Whitepapers
An Efficient QoS-based Uplink Scheduling Scheme for IEEE 802.16e Mobile Stations
February 24, 2009, 12:00am PST
The IEEE 802.16e-2005 standard for broadband wireless access provides a rich Quality of Service (QoS) framework suitable for supporting a multitude of services. In IEEE 802.16e, the uplink...
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Whitepapers
Wireless Multihop Transmission with Buffering in Neighbor Sensor Nodes for Shorter Delay
February 24, 2009, 12:00am PST
In wireless multihop transmission of sensor data, in addition to avoidance of contentions and collisions of wireless signals, available capacity of communication buffers in sensor nodes should be...
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Whitepapers
Performance Evaluation of Wireless Communication Networks for Multi-Traffic with Multi-Channel
February 24, 2009, 12:00am PST
In this paper, the authors present a new effective mathematical analysis to numerically evaluate the performance for multi-traffic in wireless communication networks with multi-channel and an...
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Whitepapers
Architectural Optimization of Decomposition Algorithms for Wireless Communication Systems
February 24, 2009, 12:00am PST
Matrix decomposition is required in various algorithms used in wireless communication applications. FPGAs strike a balance between ASICs and DSPs, as they have the programmability of software with...
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An Optimization Framework for Heterogeneous Access Management
February 24, 2009, 12:00am PST
In this paper, the authors study the problem of admission control and air interface selection in heterogeneous network environments. The statistics of random user arrivals and random service...
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Whitepapers
Adaptive Reservation-Assisted Collision Resolution Protocol for Wireless Local Area Networks
February 24, 2009, 12:00am PST
In conventional IEEE 802.11 medium access control protocol, the distributed coordination function is designed for the Wireless Stations (WSs) to perform channel contention within the Wireless...
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Whitepapers
Cognitive Node Selection and Assignment Algorithms for Weighted Cooperative Sensing in Radar Systems
February 24, 2009, 12:00am PST
For the radar spectrum to be shared efficiently a good sensing capability within a secondary cognitive communication system is required. In this paper, the swept radar's rotation mechanism is...
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Whitepapers
Optimal Rate and Power Allocation in Uplink Packet CDMA Transmission
February 24, 2009, 12:00am PST
In this paper, the authors revisit an optimal rate and power allocation problem to maximize throughput in uplink CDMA single-cell packet data communications. First, they show that the...
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Whitepapers
A Framework for Power Management of Handheld Devices with Multiple Radios
February 24, 2009, 12:00am PST
The new generation of handheld devices is equipped with multi-radio interfaces that enable radio link connections to a variety of wireless networks (i.e. Wi-Fi, WiMAX).This allows for seamless...
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Analyzing the Optimal Use of Bloom Filters in Wireless Sensor Networks Storing Replicas
February 24, 2009, 12:00am PST
The authors study the problem of optimal parameter selection for Bloom filters in content-based routing. In constrained environments, such as sensor network, optimizing lengths of the filters used...
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Q-Learning for Joint Access Decision in Heterogeneous Networks
February 24, 2009, 12:00am PST
In this paper, the authors focus on mobile-centered decision making in heterogeneous networks. They study the case where the JRRM decision is completely distributed so that mobile users have to...
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Efficient Scheduling Algorithms for Multi-Service Multi-Slot OFDMA Networks
February 24, 2009, 12:00am PST
The authors propose two efficient scheduling algorithms for OFDMA networks based on graph theory. The algorithms overcome many drawbacks of previously proposed algorithms such as assuming a single...
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Stability Analysis of XCP Congestion Control Systems
February 24, 2009, 12:00am PST
In this paper, the authors study the stability of eXplicit Control Protocol (XCP). The control-theoretic framework used in most of the previous work is linear system theory. Based on the...
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Performance Comparison of Feasible MMSE-PIC Algorithms with Channel Estimation for HSUPA
February 24, 2009, 12:00am PST
In this paper, the authors study the speech user performance of selected Parallel Interference Cancellation (PIC) algorithms in a single-cell High Speed Uplink Packet Access (HSUPA) system. To...
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Dynamic Topology Control for Multi-hop Relaying in a Cellular TDD-OFDMA System
February 24, 2009, 12:00am PST
In this paper, the authors consider a multi-hop relay-enhanced cellular TDD-OFDMA system. Multi-hop relay systems are considered as a useful means for enhancing coverage, throughput and capacity...
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Location Tracking in Mobile Networks Under Correlated Shadowing Effects
February 24, 2009, 12:00am PST
Mobile location tracking based on the Received Signal Strength (RSS) is known to be easily influenced by the shadowing effects in wireless propagation channels. In this paper, the authors exploit...
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A Game Theoretical Formulation for Proportional Fairness in LTE Uplink Scheduling
February 24, 2009, 12:00am PST
The 'Long Term Evolution' (LTE) of UMTS will stretch the performance of 3G technology, in order to meet user expectations in a 10-year perspective and beyond. The objectives of LTE include reduced...
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Anonymous Handover Mechanism for Service Mobility in Heterogeneous Wireless Networks
February 24, 2009, 12:00am PST
Various handover technologies for heterogeneous wireless networks have been proposed. Most of these technologies are based on mobile IP technology, which reduces the processing time of handovers,...
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Decentralized Intercell Interference Coordination in Uplink Cellular Networks Using Adaptive Sub-Band Exclusion
February 24, 2009, 12:00am PST
In this paper, the authors propose an Adaptive Sub-band Exclusion (ASE) scheme as a means of Inter-Cell Interference Coordination (ICIC) technique to improve the performance of wireless cellular...
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Energy Savings Achievable in Connection Preserving Energy Saving Algorithms
February 24, 2009, 12:00am PST
Energy saving is an important design consideration in Wireless Sensor Networks. In this paper, the authors analyze the energy savings that can be achieved in a sensor network where each sensor is...
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An Improved Receiver Architecture for Cyclic-Prefixed OFDM
February 24, 2009, 12:00am PST
A novel Orthogonal Frequency Division Multiplexing receiver architecture to be employed with standard (e.g. Wireless LAN) transmitters is proposed. It features enhanced error-rate performance with...
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Simple Bit Allocation Algorithms with BER-Constraint for OFDM-Based Systems
February 24, 2009, 12:00am PST
Orthogonal Frequency Division Multiplexing (OFDM) has been thoroughly investigated as an enabling technology for future broadband multimedia communication. In this paper, the authors suggest...
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An Incentive Based Peer-to-Peer Protocol for Anonymous Collaborative Mobile Streaming
February 24, 2009, 12:00am PST
Recent protocols in collaborative mobile streaming require nodes or peers to stream video packets in an ad hoc manner to ensure robustness and anonymity. However, the end nodes are provided with...
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Distributed Power Allocation Schemes for Amplify-and-Forward Networks
February 24, 2009, 12:00am PST
In this paper, distributed power allocation schemes are studied for Amplify-and-Forward (AF) cooperative relay networks, where only partial Channel State Information (CSI) is available at the...
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Effect of a Cochannel Interferer on an Automatic Frequency Control Loop in Fading Channels
February 24, 2009, 12:00am PST
The mean time to loss of lock and the average switching rate of an automatic frequency control loop operating in fading in the presence of a single interferer are derived. Closed-form expressions...
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Network Coding Versus Superposition Coding for Two-Way Wireless Communication
February 24, 2009, 12:00am PST
Wireless network coding has attracted significant attention recently over relay channels. In this paper, the authors are interested in two-way wireless communication and explore the comparative...
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Near-Optimum Vector Perturbation Precoding using a Candidate List
February 24, 2009, 12:00am PST
An improvement to Lattice-Reduction-Aided (LRA) vector perturbation precoding for multi-user MIMO downlink is introduced. Closest lattice point approximation by means of lattice reduction...
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Efficient Polling Mechanism in WiMAX Network
February 24, 2009, 12:00am PST
IEEE 802.16 standard suite defines two main polling modes, unicast polling and contention-based polling, to support different bandwidth allocation requirement. Although the specification...
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Self-Configuration of Antenna Tilt and Power for Plug & Play Deployed Cellular Networks
February 24, 2009, 12:00am PST
The concept of self-configuration of radio interface parameters is often mentioned as an important building block of emerging wireless systems, such as the 3GPP Long Term Evolution (LTE) system....
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Modeling of Extreme Data in Wireless Sensor Networks
February 24, 2009, 12:00am PST
In this paper, the authors develop a stochastic model for data in a Wireless Sensor Network using random field theory. The model captures the space-time behavior of the underlying phenomenon being...
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Gateway Selection in Backbone Wireless Mesh Networks
February 24, 2009, 12:00am PST
IEEE 802.11-based backbone mesh networks comprise of static Wireless Mesh Routers (WMRs) which create a wireless multihop backbone to provide high-speed last-mile wireless Internet access to...
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An Efficient Authentication and Key Management Protocol for Hierarchical Ad hoc Sensor Networks
February 24, 2009, 12:00am PST
Despite extensive research on flat ad hoc networks, meeting satisfactory security levels in sensor networks presents many problems. The main reason is that these networks are typically designed...
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Hybrid Decode-Amplify-Forward Cooperative Communications with Multiple Relays
February 24, 2009, 12:00am PST
In this paper, the authors investigate the performance gain of Hybrid Decode-Amplify-Forward (HDAF) relay protocol over the two conventional ones: the Adaptive Decode-Forward (ADF) and...
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Redeployment Based Sensing Hole Mitigation in Wireless Sensor Networks
February 24, 2009, 12:00am PST
Environmental factors such as unavoidable physical constraints, intentional destruction of the sensors or asymmetric load distribution will lead to formation of holes in the Wireless Sensor...
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