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Institute of Electrical and Electronics Engineers
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Free-Space Optical Modules for Interconnecting 2D-Photonic VLSI Circuitry Over Inter-Chip Distances
January 1, 2010, 12:00am PST
In this paper authors present different configurations for a compact Free-Space Optical Interconnection (FSOI) module by combining two radial Gradient Refractive Index lenses (GRIN) and/or two...
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White Papers
An Assessment of Fixed-Mobile Convergence
July 1, 2007, 12:00am PDT
Fixed-Mobile Convergence (FMC) is the current telephony industry direction of influencing wireless and wireline operators to cooperate in the delivery of services. The main FMC idea is to merge...
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White Papers
No Silver Bullet: Software Engineering Reloaded
December 11, 2007, 12:00am PST
A celebratory panel took place at the 22nd International Conference on Object-Oriented Programming, Systems, Languages, and Applications in Montreal. The occasion was the 20th anniversary of Fred...
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An Adaptive Receiver Buffer Adjust Algorithm for VoIP Applications Considering Voice Characters
February 25, 2009, 12:00am PST
In this paper, a new adaptive receiver buffer adjust algorithm is proposed for VolP applications with the consideration of voice characters and network conditions. It divides network status into...
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A Study on Persistent Scheduling for VoIP Services in UMB System
June 22, 2008, 12:00am PDT
In next-generation cellular systems including 3.9G and IMT-Advanced systems, Voice-over-IP (VoIP) services will be provided to users instead of conventional circuit switch-based voice calls. VoIP...
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White Papers
Generalized DCell Structure for Load-Balanced Data Center Networks
June 1, 2010, 12:00am PDT
DCell has been proposed as a server centric network structure for data centers. DCell can support millions of servers with high network capacity and provide good fault tolerance by only using...
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Adaptive Routing in Data Center Bridges
August 27, 2009, 12:00am PDT
In an effort to drive down the cost of ownership of interconnection networks for data centers and high-performance computing systems, technologies enabling consolidation of existing networking...
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White Papers
SQL in the Clouds
August 1, 2009, 12:00am PDT
The distinguishing features of a cloud computing environment are a large collection of inexpensive, off-the shelf commodity processors and a generic interconnection network. No customized...
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White Papers
Computing Curriculum - Software Engineering: Its Impacts on Professional Software Engineering Education
July 6, 2010, 12:00am PDT
The curriculum is built up from 35% of computing essentials, 18% of mathematical and engineering fundamentals and 7%of professional practice. The main software engineering component...
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Cloud Computing for Mobile Users: Can Offloading Computation Save Energy?
April 1, 2010, 12:00am PDT
Cloud computing is a new paradigm in which computing resources such as processing, memory, and storage are not physically present at the user's location. Instead, a service provider owns and...
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Enterprise Cloud Service Architecture
March 1, 2010, 12:00am PST
Cloud computing, a new paradigm of distributed computing, introduces many new ideas, concepts, principals, technologies and architectural styles into enterprise service-oriented computing. The...
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White Papers
Experimental Demonstration of an All-Optical Clock and Data Recovery Technology for 10 Gb/s NRZ-DPSK Signals
July 25, 2007, 12:00am PDT
This paper demonstrates an all-optical clock-and-data recovery technology for 10-Gb/s NRZ-DPSK signals. With a relatively simple configuration, the clock-recovery scheme achieves less than 1.5-ps...
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White Papers
Cloud Computing and the Lessons From the Past
July 9, 2009, 12:00am PDT
The skyrocketing demand for a new generation of cloud-based consumer and business applications is driving the need for next generation of datacenters that must be massively scalable, efficient,...
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White Papers
Architecting Storage for the Cloud Computing Era
November 29, 2009, 12:00am PST
The past two decades have seen advances in processor design - from microarchitectural techniques to boost instruction and thread-level parallelism to the shift from single-core to multicore...
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White Papers
C-Meter: A Framework for Performance Analysis of Computing Clouds
October 3, 2009, 12:00am PDT
Cloud computing has emerged as a new technology that provides large amounts of computing and data storage capacity to its users with a promise of increased scalability, high availability, and...
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White Papers
Iterative Joint Channel Estimation and Multiuser Detection for DS-CDMA in Frequency-Selective Fading Channels
July 7, 2008, 12:00am PDT
An iterative joint channel estimation, symbol detection, phase recovery and interference cancellation structure is proposed for asynchronous code-division multiple-access systems over...
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White Papers
Mobile Speed Estimation for Broadband Wireless Communications Over Rician Fading Channels
January 1, 2009, 12:00am PST
In this paper, a new algorithm is proposed to estimate mobile speed for broadband wireless communications, which often encounter large number of fading channel taps causing severe inter symbol...
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White Papers
Open-Loop Beamforming for Frequency-Division Duplex Mobile Wireless Access
July 1, 2007, 12:00am PDT
An open-loop eigenbeamformer is designed for Frequency Division Duplex (FDD) mobile wireless access. In this approach, the base station transmitter does not need any channel feedback nor does the...
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White Papers
An Audio DSP Toolkit for Rapid Application Development in Flash
July 16, 2009, 12:00am PDT
The Adobe Flash platform has become the de facto standard for developing and deploying media rich web applications and games. The relative ease-of-development and cross-platform architecture of...
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White Papers
Soft Error Considerations for Computer Web Servers
May 1, 2010, 12:00am PDT
Soft errors are caused by cosmic rays striking sensitive regions in electronic devices. Termed as Single Event Upset (SEU), in the past this phenomenon mostly affected the high altitude systems or...
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White Papers
Energy-Aware Adaptive Routing for Large-Scale Ad Hoc Networks: Protocol and Performance Analysis
June 6, 2007, 12:00am PDT
Authors of this paper propose and analyze an energy-aware traffic-adaptive routing strategy for large-scale Mobile Ad hoc Networks (MANETs). Referred to as Energy-Aware GEolocation-Aided Routing...
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White Papers
Adaptive Routing Strategies in IEEE 802.16 Multi-Hop Wireless Backhaul Networks Based on Evolutionary Game Theory
March 10, 2010, 12:00am PST
The high frequency segment (10-66GHz) of the IEEE 802.16 standard seems promising for the implementation of wireless backhaul networks carrying large volumes of Internet traffic. In contrast to...
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White Papers
Scaling Video Conferencing Through Spatial Tiling
January 1, 2009, 12:00am PST
This paper describes a real-time, full frame-rate video-conferencing system that provides simulated three dimensionality via motion parallax in order to achieve a higher level of co-presence. The...
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White Papers
Performance Evaluation of Adaptive Routing Algorithms for Achieving Fault Tolerance in NoC Fabrics
June 17, 2010, 12:00am PDT
Commercial designs are integrating from 10 to 100 embedded functional and storage blocks in a single System on Chip (SoC) currently, and the number is likely to increase significantly in the near...
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White Papers
Optical Network Design for a Multiline-Rate Carrier-Grade Ethernet Under Transmission-Range Constraints
February 8, 2008, 12:00am PST
Ethernet is a success story in local area networks (LAN). Efforts for extending its boundaries beyond LAN to the carrier's backbone networks are in progress. The authors study the problem of...
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White Papers
Analysis of Equal Cost Adaptive Routing Algorithms Using Connection-Oriented and Connectionless Protocols
December 3, 2009, 12:00am PST
ROUTING of data employs routing algorithms. The performance of routing depends on the routing algorithms adopted. The routing algorithms may be single path adaptive or multi-path adaptive. The...
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White Papers
Rate-Adaptive Coding-Aware Multiple Path Routing for Wireless Mesh Networks
October 29, 2008, 12:00am PDT
Network coding has been considered as an effective strategy for improving the performance of Wireless Mesh Networks (WMNs) by encoding multiple packets into a single transmission. Existing Work...
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White Papers
Multicast Routing in Light-trail WDM Networks
October 29, 2008, 12:00am PDT
Recently, light-trail is becoming an appealing architecture for WDM networks which have been considered as promising backbone of the next generation network. Light-trail can inherently support...
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White Papers
Joint Multicast Routing and Channel Assignment in Multiradio Multichannel Wireless Mesh Networks Using Tabu Search
January 28, 2010, 12:00am PST
This paper proposes a Tabu Search (TS) based optimization approach to search a minimum-interference multicast tree which satisfies the end-to-end delay constraint and optimizes the usage of the...
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White Papers
A Wide-Bandwidth 2.4 GHz ISM Band Fractional-N PLL With Adaptive Phase Noise Cancellation
December 1, 2007, 12:00am PST
A fast-settling adaptive calibration technique is presented that makes phase noise cancelling ∆?" fractional-N PLLs practical for the low reference frequencies commonly used in wireless...
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White Papers
All-Optical Unicast/Multicast Routing in WDM Networks
October 18, 2008, 12:00am PDT
Optical Transport Networks (OTN) must be prepared in terms of better resource utilization, for accommodating unicast and multicast traffic together. Light-trees have been proposed for supporting...
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White Papers
Reliable Adaptive Multipath Provisioning With Bandwidth and Differential Delay Constraints
April 21, 2010, 12:00am PDT
Robustness and reliability are critical issues in network management. To provide resiliency, a popular protection scheme against network failures is the simultaneous routing along multiple...
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White Papers
Multicast Routing in Wireless Mesh Networks: Minimum Cost Trees or Shortest Path Trees?
November 1, 2007, 12:00am PDT
There exist two fundamental approaches to multicast routing: Shortest Path Trees (SPTs) and Minimum Cost Trees (MCTs). The SPT algorithms minimize the distance (or cost) from the sender to each...
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White Papers
A Optimized Distributed Multicast Routing Protocol for Wireless Sensor Network
February 16, 2009, 12:00am PST
Recent advance in Wireless Sensor Network (WSN) has led to totally different applications which attract a lot of attention. As addressed in, how to energy-efficient routing data packets to...
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White Papers
Efficient Uplink Bandwidth Request With Delay Regulation for Real-Time Service in Mobile WiMAX Networks
September 1, 2009, 12:00am PDT
The emerging broadband wireless access technology based on IEEE 802.16 is one of the most promising solutions to provide ubiquitous wireless access to the broadband service at low cost. This paper...
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White Papers
A 12-Bit 3.125 MHz Bandwidth 0-3 MASH Delta-Sigma Modulator
July 1, 2009, 12:00am PDT
This paper demonstrates a 12-bit 0 - 3MASHdelta-sigma modulator with a 3.125 MHz bandwidth in a 0.18 m CMOS technology. The modulator has an oversampling ratio of 8 clock frequency of 50 MHz and...
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White Papers
Building Robust Wireless LAN for Industrial Control With the DSSS-CDMA Cell Phone Network Paradigm
June 1, 2007, 12:00am PDT
Wireless LAN for Industrial Control (IC-WLAN) provides many benefits, such as mobility, low deployment cost, and ease of reconfiguration. However, the top concern is robustness of wireless...
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White Papers
Cross-Layer Interaction of TCP and Ad Hoc Routing Protocols in Multihop IEEE 802.11 Networks
April 1, 2008, 12:00am PDT
This paper first investigates the cross-layer interaction between TCP and routing protocols in the IEEE 802.11 ad hoc network. On-demand ad hoc routing protocols respond to network events such as...
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White Papers
Dynamic Routing on the Ubichip: Toward Synaptogenetic Neural Networks
July 28, 2008, 12:00am PDT
The ubichip is a bio-inspired reconfigurable circuit developed in the framework of the european project Perplexus. The ubichip offers special reconfigurability capabilities, being the dynamic...
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White Papers
Deadlock-Free Multicast Routing Algorithm for Wormhole-Switched Mesh Networks-on-Chip
October 10, 2008, 12:00am PDT
An important service in distributed systems, as multiprocessors, is the ability to transmit multicast messages. Cache coherence protocols and parallel algorithms are examples of applications...
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Whitepapers
Bayesian Approach for the Estimation of Phase Noise in SC-FDE Schemes
October 18, 2011, 12:00am PDT
A solution for the problem of estimating the PN (Phase Noise) from the observation of the channel output in burst communications is to establish a state-model for the PN and determine the a...
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Whitepapers
On Transceiver Beamformer Design for Multi-Source Multi-Destination Wireless Networks
October 18, 2011, 12:00am PDT
In this paper, the authors consider the problem of designing transceiver beamforming vectors for Multi-Source Multi-Destination (MSMD) wireless networks such that the transmission power of each...
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Whitepapers
Recovery from Link Failures in Networks with Arbitrary Topology via Diversity Coding
October 18, 2011, 12:00am PDT
Link failures in Wide Area Networks are common. To recover from such failures, a number of methods such as SONET rings, protection cycles, and source rerouting have been investigated. Two...
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Whitepapers
Enforcing Cooperative Spectrum Sensing in Cognitive Radio Networks
October 18, 2011, 12:00am PDT
Spectrum sensing and sharing the sensing results is one of the most important tasks for the operation of a Cognitive Radio network. It is even more crucial in a multihop cognitive radio network,...
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Whitepapers
A Joint Resource Allocation Scheme for Relay Aided Uplink Multi-User OFDMA System
October 18, 2011, 12:00am PDT
In this paper, the authors study the problem of resource allocation in Orthogonal Frequency Division Multiple Access (OFDMA) based multi-user dual-hop uplink transmission where a single relay...
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Whitepapers
A Distributed Relay Selection Algorithm Using Game on Real-Time Testbed
October 18, 2011, 12:00am PDT
Game theory has made great contributions to Cognitive Radio (CR) algorithm design and it calls up wide interest of CR researchers, while the considerable iterations and the operation complexity...
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Whitepapers
A CLT for Capacity Inference Methods Under Colored Interference
October 18, 2011, 12:00am PDT
In this paper, the authors address the problem of fast Point-to-Point channel capacity estimation in the case where the receiver undergoes unknown interference from multiple sources, whereas the...
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Whitepapers
Framework for Modeling Call Holding Time for VoIP Tandem Networks
October 18, 2011, 12:00am PDT
In this paper, the authors present a new approach to modeling call holding time of VoIP traffic on tandem networks. Call holding time is a key variable of traffic engineering models, and the...
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Relay Cooperation with Guard Zone to Combat Interference from an Underlaid Network
October 18, 2011, 12:00am PDT
In this paper, the authors investigate the impact of relay cooperation for maintaining coverage area against aggregate interference from incumbent underlaid interferers. They employ a guard zone...
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Uncertainty-Aware Sensor Network Deployment
October 18, 2011, 12:00am PDT
In this paper, the authors address the issue of handling uncertainty and information fusion for an efficient WSN deployment. They present a flexible framework for collaborative target detection...
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Congestion-Aware Network-Coding-Based Opportunistic Routing in Wireless Ad Hoc Networks
October 18, 2011, 12:00am PDT
In this paper, the authors propose a congestion-aware network-coding-based opportunistic routing mechanism called CONCOR for wireless ad hoc networks. An existing mechanism called MORE shows good...
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Whitepapers
How the Framework of Expectation Propagation Yields an Iterative IC-LMMSE MIMO Receiver
October 18, 2011, 12:00am PDT
Based on the expectation propagation framework, the authors derive a MIMO detector that consists of an Interference Cancellation (IC) step, followed by Linear Minimum Mean Square Error (LMMSE)...
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Parallel Packet Switch without Segmentation-and-Reassembly
October 18, 2011, 12:00am PDT
The ever increasing demand for more bandwidth at core routers has been a challenge for switch design. To address the challenge, Parallel Packet Switches (PPSs) combine multiple parallel switching...
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Whitepapers
ALOHA Performs Delay-Optimum Power Control
October 18, 2011, 12:00am PDT
As a fundamental source of delay in wireless networks, the local delay is defined as the mean time, in number of time slots, until a packet is successfully received (decoded) over a link. This...
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Optimal Incentive-Compatible Pricing for Dynamic Bandwidth Trading and Allocation in Efficient Spectrum Management
October 18, 2011, 12:00am PDT
The wireless spectrum is a limited resource. The concepts of cognitive radio and Dynamic Spectrum Allocation (DSA) have been considered as a possible mechanism to improve the efficiency of...
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Diverse QoS Support in Multimedia Communication with Multiple MAC Layer Queues Using FSMC
October 18, 2011, 12:00am PDT
Diverse Quality of Service (QoS) guarantee is critical in wireless multimedia communications to fulfill the requirements of various applications. QoS with conventional single queue scenario has...
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Joint Signal Alignment and Power Allocation for a Diagonalized AF MIMO Two-Way Relay Channel
October 18, 2011, 12:00am PDT
In this paper, the authors use Generalized Singular Value Decomposition (GSVD) to reduce decoding complexity in an Amplify-and-Forward, Multiple-Input Multiple-Output, Two-Way Relay Channel...
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Using Spatial Diversity to Improve the Confidentiality of Atmospheric Free Space Optical Communication
October 18, 2011, 12:00am PDT
Free space optical communication through the atmosphere has the potential to provide secure, low-cost, rapidly deployable, dynamic, data transmission at very high rates. Despite the ability for...
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A Novel Effective ICI Self-Cancellation Method
October 18, 2011, 12:00am PDT
Orthogonal Frequency Division Multiplexing (OFDM) systems may suffer from both Carrier Frequency Offset (CFO) and In-phase/Quadrature-phase (I/Q) imbalance at the receiver front end. In this...
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Whitepapers
Low Complexity Transmit Antenna Selection for MIMO Systems
October 18, 2011, 12:00am PDT
In Multiple-Input Multiple-Output (MIMO) systems, transmit antenna selection is a very promising technique for reducing implementation cost and computational complexity. In this paper, the authors...
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Time Interference Alignment via Delay Offset for Long Delay Networks
October 18, 2011, 12:00am PDT
Time Interference Alignment is a flavor of interference alignment that increases the network capacity by suitably staggering the transmission delays of the senders. In this paper, the analysis of...
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FBMC/OQAM Modulators with Half Complexity
October 18, 2011, 12:00am PDT
The Filter Bank MultiCarrier (FMBC) concept can be seen as an extension of the Orthogonal Frequency Division Multiplex (OFDM) principle. Indeed, in the case where each sub-carrier uses an Offset...
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XLR: Tackling the Inefficiency of Landmark-based Routing in Large Wireless Sensor Networks
October 18, 2011, 12:00am PDT
Landmark-based Routing (LR) provides a promising approach for scalable point-to-point routing in Wireless Sensor Networks (WSNs). Though various approaches have been proposed for landmark-based...
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Optimal MMSE Beamforming for Multiuser Downlink with Delayed CSI Feedback Using Codebooks
October 18, 2011, 12:00am PDT
In this paper, the authors investigate the beamforming design for multiuser downlink with limited feedback, where a practical Channel State Information (CSI) feedback model consisting both...
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Robust MIMO Receiver Based on Belief Propagation in the Presence of Imperfect Channel and Noise Knowledge
October 18, 2011, 12:00am PDT
In this paper, the problem of MIMO signal detection based on the Belief Propagation (BP) algorithm has been addressed in the presence of channel and noise uncertainties at the receiver. The...
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Joint Relay and Jammer Selection for Secure Decode-and-Forward Two-Way Relay Communications
October 18, 2011, 12:00am PDT
In this paper, the authors investigate joint relay and jammer selection in a two-way relay network with secrecy constraints, in which there are two sources, a cluster of intermediate nodes, and...
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Asymptotic Signal Bandwidth of Impulse Radio UWB Communication Networks
October 18, 2011, 12:00am PDT
The asymptotic signal bandwidth of various kinds of large-scale asynchronous Time Hopping Impulse Radio Ultra-Wide Band (TH-IR UWB) communication networks such that multiple access interference...
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Whitepapers
Wakeup Receiver for Radio-On-Demand Wireless LANs
October 18, 2011, 12:00am PDT
Access Points (APs) of Wireless LANs (WLANs), always powered on and ready to serve mobile nodes, consume a large amount of power in total, but are idle during much of the time. Previous...
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Whitepapers
A Channel-Aggregation Diversity Based MAC Protocol in Power-Constrained Cognitive Ad Hoc Networks
October 18, 2011, 12:00am PDT
One of the major challenges in the Medium Access Control (MAC) protocol design over Cognitive Ad Hoc Networks (CAHNs) is how to efficiently utilize multiple opportunistic channels, which vary...
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Network Localization on Unit Disk Graphs
October 18, 2011, 12:00am PDT
The authors study the problem of cooperative localization of a large network of nodes in integer-coordinated unit disk graphs, a simplified but useful version of general random graph. Exploiting...
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Design Of Reliable Wireless Mesh Networks
October 18, 2011, 12:00am PDT
In Wireless Mesh Networks (WMNs) there is almost more than one path from any node to another. However, when taking into account Quality of Service (QoS) requirements, alternative paths may fail to...
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Improving the Physical-Layer Security of Wireless Two-Way Relaying via Analog Network Coding
October 18, 2011, 12:00am PDT
In this paper, the authors address the physical-layer security of two-way (bi-directional) transmissions of two terminals with the help of multiple relay nodes in the presence of an eavesdropper,...
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Averting In-situ Adversaries in Wireless Sensor Network Using Deceptive Traffic
October 18, 2011, 12:00am PDT
Sensors in Wireless Sensor Networks probe their surroundings and send their findings to a nearby base-station over multi-hop routes. In a hostile application environment the network may be...
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Fault Tolerant Target Localization and Tracking in Wireless Sensor Networks Using Binary Data
October 18, 2011, 12:00am PDT
In this paper, the authors investigate the use of a sensor network for localizing and tracking a moving target using only binary data. Due to the simple nature of the sensor nodes, sensing can be...
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Error Probability Bounds for Decode-and-Forward Relaying with Two Correlated Sources
October 18, 2011, 12:00am PDT
The authors consider a wireless communication system with two sources that transmit their data to one common destination with the help of a relay. They derive bounds on the error probability of...
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Whitepapers
User Relaying in a Two-User MIMO Broadcast Channel
October 18, 2011, 12:00am PDT
A novel user relaying scheme based on bit concatenation is proposed for a two-user Multiple-Input Multiple-Output (MIMO) Broadcast Channel (BC). In broadcasting phase, a part of information for a...
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Whitepapers
Training Design for BICM-MIMO Systems in Block-Fading Channels
October 18, 2011, 12:00am PDT
In order to improve bandwidth efficiency and Bit Error Rate (BER) performance, a new training scheme is proposed for Bit-Interleaved Coded Modulation in Multiple-Input Multiple-Output (BICM-MIMO)...
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A Spectral Efficient and Fair User-Centric Spectrum Allocation Approach for Downlink Transmissions
October 18, 2011, 12:00am PDT
Traditional spectrum allocation approaches assume that the intended users of BSs are treated equally, without consideration of their distances. Consequently, the efficiency of spectrum usage for...
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Data Mixing at the Source, Relay, and in the Air in Multiple-Access Relay Networks
October 18, 2011, 12:00am PDT
The authors consider a multiple access relay network where multiple source nodes send independent packets to a common destination with the assistance from a relay node. They assume that the relay...
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Zero-Exposure Distributed TDMA Using Time-Coded Packet Transmissions
October 18, 2011, 12:00am PDT
In this paper, the authors propose a distributed TDMA slot allocation protocol that relies on zero amount of explicit information exchange among the participating nodes. This novel property allows...
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