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(3552 results)-
White Papers
Improved Progressive Edge-Growth Algorithm for Fast Encodable LDPC Codes
May 21, 2012 12:00am PDT
The Progressive Edge-Growth (PEG) algorithm is known to construct Low-Density Parity-Check (LDPC) codes at finite code lengths with large girths by establishing edges between symbol and check...
Provided by: Springer Science+Business Media
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White Papers
A Taxonomy of Cross Layer Routing Metrics for Wireless Mesh Networks
May 21, 2012 12:00am PDT
Multi-hop, multi-channel, and multi-radio Wireless Mesh Networks (WMNs) are emerging as promising field of wireless technology with self-organizing and self-healing features for internet and real...
Provided by: Springer Science+Business Media
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White Papers
A Limited Feedback Scheme Based on Spatially Correlated Channels for Coordinated Multipoint Systems
May 18, 2012 12:00am PDT
High spectral efficiency can be achieved in the downlink of multi-antenna coordinated multi-point systems provided that the multi-user interference is appropriately managed at the transmitter...
Provided by: Springer Science+Business Media
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White Papers
Resource Allocation for Clustered Network MIMO OFDMA Systems
May 18, 2012 12:00am PDT
In this paper, the authors address the resource allocation problem for the downlink of a large network multiple input multiple output orthogonal frequency division multiplexing system with...
Provided by: Springer Science+Business Media
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White Papers
Residue Code Based Low Cost SEU-Tolerant FIR Filter Design for OBP Satellite Communication Systems
May 18, 2012 12:00am PDT
With the development of satellite communications, On-Board Processing (OBP) obtains more and more attentions due to the increased efficiency and performance. However, the large amounts of digital...
Provided by: Springer Science+Business Media
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White Papers
A Cluster Based Proxy Mobile IPv6 for IP-WSNs
May 17, 2012 12:00am PDT
The Sensor Proxy Mobile IPv6 (SPMIPv6) has been designed for IP-based wireless sensor networks mobility to potentially save energy consumption by relieving the sensor nodes from participating in...
Provided by: Springer Science+Business Media
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White Papers
An Efficient Cluster-Based Power Saving Scheme for Wireless Sensor Networks
May 16, 2012 12:00am PDT
In this paper, efficient power saving scheme and corresponding algorithm must be developed and designed in order to provide reasonable energy consumption and to improve the network lifetime for...
Provided by: Springer Science+Business Media
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White Papers
Effect of Network Parameters on Neighbor Wireless Link Breaks in GPSR Protocol and Enhancement Using Mobility Prediction Model
May 16, 2012 12:00am PDT
The Greedy Perimeter Stateless Routing (GPSR) protocol is a well-known position-based routing protocol. Data packet routing in position-based routing protocols uses the neighbors' geographical...
Provided by: Springer Science+Business Media
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White Papers
Evaluation of the Potential for Energy Saving in Macrocell and Femtocell Networks Using a Heuristic Introducing Sleep Modes in Base Stations
May 15, 2012 12:00am PDT
In mobile technologies two trends are competing. On the one hand, the mobile access network requires optimisation in energy consumption. On the other hand, data volumes and required bit rates are...
Provided by: Springer Science+Business Media
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White Papers
A Polarity Comparison Timing Synchronization Estimation for MB-OFDM Based UWB Systems
May 14, 2012 12:00am PDT
The authors propose a new approach for timing synchronization estimation with polarity comparison for Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM)- based UWB systems. They...
Provided by: Springer Science+Business Media
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White Papers
Ensuring Fair Access in IEEE 802.11p-Based Vehicle-to-Infrastructure Networks
May 14, 2012 12:00am PDT
IEEE 802.11p is an approved amendment to the IEEE 802.11 standard to facilitate Wireless Access in Vehicular Environments (WAVE). In this paper, the authors present an analytical model to evaluate...
Provided by: Springer Science+Business Media
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White Papers
Non-Commutative Large Entries for Cognitive Radio Applications
May 10, 2012 12:00am PDT
Cognitive radio has been proposed as a solution for the problem of underutilization of the radio spectrum. Indeed, measurements have shown that large portions of frequency bands are not...
Provided by: Springer Science+Business Media
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White Papers
pluralisMAC: A Generic Multi-MAC Framework for Heterogeneous, Multiservice Wireless Networks Applied to Smart Containers
May 10, 2012 12:00am PDT
Developing energy-efficient MAC protocols for lightweight wireless systems has been a challenging task for decades because of the specific requirements of various applications and the varying...
Provided by: Springer Science+Business Media
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White Papers
P2P and Grid Computing: Opportunity for Building Next Generation Wireless Multimedia Digital Library
May 10, 2012 12:00am PDT
Nowadays, digital libraries have become the source of information, sharing across the globe in the fields of education, research and knowledge. The full usage of digital libraries will be realized...
Provided by: Springer Science+Business Media
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White Papers
Multi-Layer Topology Control for Long-Term Wireless Sensor Networks
May 9, 2012 12:00am PDT
Due to the inefficiency of a flat topology, most Wireless Sensor Networks (WSNs) have a cluster or tree structure; but this causes an imbalance of residual energy between nodes, which gets worse...
Provided by: Springer Science+Business Media
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White Papers
Adaptive Multi-Path Link Quality Routing Protocol for Mobile Ad-Hoc Network
May 5, 2012 12:00am PDT
Mobile Ad Hoc NETwork (MANET) is a collection of mobile nodes interconnected by wireless media. Routing protocols for Wireless ad hoc networks have traditionally focused on finding paths with...
Provided by: Universal Association of Computer and Electronics Engineers
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White Papers
Linear and Nonlinear Techniques for Multibeam Joint Processing in Satellite Communications
May 4, 2012 12:00am PDT
Existing satellite communication standards such as DVB-S2, operate under highly-efficient adaptive coding and modulation schemes thus making significant progress in improving the spectral...
Provided by: Springer Science+Business Media
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A Lightweight Payment Scheme for Real-Time Services Based on SIP
May 4, 2012 12:00am PDT
In the Session Initiation Protocol (SIP), payments have been proposed as a way for vendors to obtain profit from the services they provide. Payments in SIP have also been proposed for microbilling...
Provided by: Springer Science+Business Media
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White Papers
A Decentralized Spectrum Allocation and Partitioning Scheme for a Two-Tier Macro-Femtocell Network With Downlink Beamforming
May 3, 2012 12:00am PDT
This paper examines spectrum allocation and partitioning schemes to mitigate cross-tier interference under downlink beamforming environments. The enhanced SIR owing to beamforming allows more...
Provided by: Springer Science+Business Media
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White Papers
Energy Saving in Multi-Standard Mobile Terminals Through Short-Range Cooperation
May 2, 2012 12:00am PDT
Multi-standard mobile devices are allowing users to enjoy higher data rates and ubiquitous connectivity. These advances are achieved on the expense of higher energy consumption requirements due to...
Provided by: Springer Science+Business Media
