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Institute of Electrical and Electronics Engineers
(11073 results)-
White Papers
Scalable Network-Layer Defense Against Internet Bandwidth-Flooding Attacks
August 1, 2009, 12:00am PDT
In a bandwidth-flooding attack, compromised sources send high-volume traffic to the target with the purpose of causing congestion in its tail circuit and disrupting its legitimate communications....
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White Papers
Myth: An Accurate and Scalable Network Coordinate System Under High Node Churn Rate
December 12, 2007, 12:00am PST
Network Coordinate (NC) system is an efficient mechanism to predict Internet distance (latency) with limited times of measurement. In this paper, authors focus on the node churn problem in...
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White Papers
Modeling and Specification Of Web Services Composition Using UML-S
August 1, 2008, 12:00am PDT
As Web services composition arouses a growing interest, most research works address implementation and execution issues. Therefore, many composition languages BPEL, XLANG, WSFL, and WSCI, to name...
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White Papers
MAD2: A Scalable High-Throughput Exact Deduplication Approach for Network Backup Services
April 18, 2010, 12:00am PDT
Deduplication has been widely used in disk-based secondary storage systems to improve space efficiency. However, there are two challenges facing scalable high-throughput deduplication storage. The...
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White Papers
Data Quality Driven Sensor Reporting
September 5, 2008, 12:00am PDT
Within the field of event driven data reporting from wireless sensor networks, reducing energy consumption is an ongoing problem. Using an application's tolerance toward data imprecision (or, data...
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White Papers
Fair Energy-Efficient Network Design for Multihop Communications
May 1, 2010, 12:00am PDT
The authors consider the energy-efficient network resource allocation that minimizes a cost function of average user powers for multi-hop wireless networks. A class of fair cost functions is...
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White Papers
Reducing Lifecycle Energy Use of Network Switches
March 11, 2010, 12:00am PST
The networking infrastructure is becoming a growing portion of the energy footprint in data centers as well as information technology in general. This paper evaluates energy management strategies...
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White Papers
BPSK Subcarrier Intensity Modulated Free-Space Optical Communications in Atmospheric Turbulence
April 15, 2009, 12:00am PDT
Free-Space Optical communications (FSO) propagated over a clear atmosphere suffers from irradiance fluctuation caused by small but random atmospheric temperature fluctuations. This results in...
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White Papers
Advances in Random Access Protocols for Satellite Networks
March 1, 2009, 12:00am PST
In this paper the authors review key properties of recently proposed high performance protocols for Random Access (RA) satellite channels for both Time Division and Code Division Multiple Access...
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White Papers
Wired Equivalent Privacy (WEP) Versus Wi-Fi Protected Access (WPA)
September 22, 2009, 12:00am PDT
Wireless technology has been gaining rapid popularity for some years. Adaptation of a standard depends on the ease of use and level of security it provides. In this case, contrast between wireless...
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White Papers
A Novel Scrambling Algorithm for a Robust WEP Implementation
July 9, 2009, 12:00am PDT
Internet enabled wireless devices continue to proliferate and are expected to surpass traditional Internet in the near future. However, data security and privacy remains major concerns in the...
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White Papers
An Improved Free-Roaming Mobile Agent Security Protocol Against Colluded Truncation Attacks
February 11, 2009, 12:00am PST
This white paper proposes an improved free-roaming mobile agent security protocol. The scheme uses "One hop backwards and two hops forwards" chain relation as the protocol core to implement the...
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White Papers
Secure Mutual Authentication and Fair Billing for Roaming Service in Wireless Mobile Networks
December 31, 2008, 12:00am PST
Authentication and billing for mobile users are primary research area on many commercial wireless mobile networks such as cellular networks, wireless LAN, wireless mesh networks and so on. However...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Impact of RF impairments in cellular Wireless Metropolitan Area Networks
July 4, 2008, 12:00am PDT
This paper analyses the impact of RF impairments in a new wireless environment where relays are introduced to improve performances. Thanks to a simulation chain supporting theoretical RF...
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White Papers
Are Mobile Payment and Banking the Killer Apps for Mobile Commerce?
May 1, 2008, 12:00am PDT
Mobile commerce had been expected to become a major force of e-commerce in the 21st century. However, the rhetoric has far exceeded the reality so far. While academics and practitioners have...
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White Papers
Secure Mobile Payment Via Trusted Computing
May 5, 2009, 12:00am PDT
Mobile payment (m-payment) received significant attention because it enables an easy payment mechanism and becomes an important complement to traditional payment means. However, m-payment over...
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White Papers
A Lightweight Architecture for Secure Two-Party Mobile Payment
September 7, 2009, 12:00am PDT
The evolution of wireless networks and mobile devices has resulted in increased concerns about performance and security of mobile payment systems. In this paper authors propose SA2pMP, a...
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White Papers
An Open Onboard Internet System Model for the M-Commerce on Train
July 30, 2009, 12:00am PDT
An open onboard Internet system model based on the centralized access mode is designed for the M-Commerce on train which is easy to merge the oncoming broadband wireless access and network...
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White Papers
Paraphrase Detection on SMS Messages in Automobiles
June 1, 2010, 12:00am PDT
Voice search technology has been successfully applied to help drivers reply SMS messages in automobiles, in which a predefined SMS message template set is searched with ASR hypotheses to form the...
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White Papers
Evaluating Wireless Technologies in Mobile Payments - A Customer Centric Approach
May 1, 2009, 12:00am PDT
Mobile payments involve the use of a mobile device and one or more wireless technologies. As the field is at an early stage of development, there is still a lot of uncertainty about which of...
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White Papers
LDPC-Coded MIMO Optical Communication Over the Atmospheric Turbulence Channel
March 1, 2008, 12:00am PST
In this paper, coded Multiple-Input - Multiple-Output (MIMO) communication schemes for data transmission over the optical atmospheric turbulence channels are studied. Two strategies are proposed...
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White Papers
Service Disciplines Performance for GPRS With Link Adaptation and Heterogeneous Traffic
January 1, 2010, 12:00am PST
The General Packet Radio Service (GPRS) system provides packet switched data service with quality of service (QoS) over a GSM infrastructure. In order to cope with the QoS requirements, packet...
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White Papers
Optical Communication Using Subcarrier PSK Intensity Modulation Through Atmospheric Turbulence Channels
August 1, 2007, 12:00am PDT
This paper studies optical communications using subcarrier Phase Shift Keying (PSK) intensity modulation through atmospheric turbulence channels. The Bit Error Rate (BER) is derived for optical...
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White Papers
Modulation and Directionality Characteristics of Free-Space Optical Transmission Links
January 1, 2009, 12:00am PST
Transmission characteristics of free-space optical (FSO) data transmission systems are characterized. Issues of optical directionality, being related to the optical modulation depth, are...
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White Papers
Hybrid Free-Space Optical and Radio-Frequency Communications: Outage Analysis
June 18, 2010, 12:00am PDT
This paper studies hybrid Free-Space Optical (FSO) and Radio-Frequency (RF) communications, whereby information is conveyed simultaneously using both optical and RF carriers. The authors consider...
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White Papers
Outage Probability of the Gaussian MIMO Free-Space Optical Channel With PPM
December 1, 2009, 12:00am PST
Atmospheric effects can significantly degrade the reliability of free-space optical communications. One such effect is scintillation, caused by atmospheric turbulence, refers to random...
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White Papers
An Introduction to Free-Space Optical Communications
June 1, 2010, 12:00am PDT
Over the last two decades Free-Space Optical communication (FSO) has become more and more interesting as an adjunct or alternative to radio frequency communication. This paper gives an overview of...
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White Papers
An MPLS/HMIPv6 Based Mobility Management Framework for GPRS/WLAN Integration Architecture
February 14, 2008, 12:00am PST
During last couple of years, cellular system becomes one of the popular wirelesses Communication mediums. But in the hot spot region use of WLAN is increased due to its high data rate and low...
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White Papers
A Survey on Wireless Security Protocols (WEP,WPA and WPA2/802.11i)
February 1, 2009, 12:00am PST
Wireless technology has been gaining rapid popularity for some years. Adaptation of a standard depends on the ease of use and level of security it provides. In this case, contrast between wireless...
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White Papers
Mobile-Phone Users' Attitudes Towards' Mobile Commerce & Services in the Gulf Cooperation Council Countries: Case Study
August 7, 2008, 12:00am PDT
As the number of mobile phone users is growing, purchasing products and services using mobile phones and other mobile devices are also increasing. The purpose of this study was to provide the...
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White Papers
Home Access Networks Using Optical Wireless Transmission
June 20, 2008, 12:00am PDT
Fibre to the home and other "Last-mile" transmission technologies provide end-user data rates of at least 100 of Mbit/s. These technologies are currently deployed around the world, and in the...
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White Papers
Challenges for 1 Gbps Power Line Communications in Home Networks
June 18, 2008, 12:00am PDT
The author address the challenges related to the development of very high speed Power Line Communication (PLC) systems in the home environment. The development of such a technology is fundamental...
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White Papers
Requirements and Challenges for Tactical Free-Space Lasercomm
June 16, 2008, 12:00am PDT
Mobile free-space Laser communications is the next frontier for net-centric connectivity, as bandwidth, spectrum and security issues drive its adoption as an adjunct to RF communications. However,...
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White Papers
Outage Capacity Optimization for Free-Space Optical Links With Pointing Errors
July 10, 2007, 12:00am PDT
This paper investigates the performance and design of Free-Space Optical (FSO) communication links over slow fading channels from an information theory perspective. A statistical model for the...
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White Papers
Performance Bounds for Free-Space Optical MIMO Systems With APD Receivers in Atmospheric Turbulence
October 16, 2007, 12:00am PDT
Performance bounds of Free Space Optical (FSO) systems with multiple laser transmitters and multiple Avalanche PhotoDetectors (APDs) are evaluated for terrestrial, line-of-sight communication....
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White Papers
Optical Wireless Links With Spatial Diversity Over Strong Atmospheric Turbulence Channels
February 1, 2009, 12:00am PST
Optical wireless, also known as free-space optics, has received much attention in recent years as a cost-effective, licensefree and wide-bandwidth access technique for high data rates...
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White Papers
Rateless Coding for Hybrid Free-Space Optical and Radio-Frequency Communication
March 1, 2010, 12:00am PST
Free-Space Optical (FSO) transmission systems enable high-speed communication with relatively small deployment costs. However, FSO suffers a critical disadvantage, namely susceptibility to fog,...
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White Papers
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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Whitepapers
Area Concentric Beacons Localization for Wireless Sensor Networks
March 11, 2008, 12:00am PDT
Localization is one of the fundamental problems in many Wireless Sensor Networks applications. They require sensor nodes to obtain their absolute or relative geographical position. Although many...
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Whitepapers
Flexible Privacy Protection for RFID Tags via Selective Identifier Masking
March 11, 2008, 12:00am PDT
In this paper, the authors propose a selective identifier masking scheme to prevent eavesdropping or unauthorized reading of the unique identifier of RFID tags. In their system, they differentiate...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Internet Gateway Deployment Optimization in a Multi-Channel Multi-Radio Wireless Mesh Network
March 11, 2008, 12:00am PDT
In a Wireless Mesh Network (WMN), Mesh Routers (MRs) are interconnected by wireless links and form a wireless backbone to provide ubiquitous high-speed Internet connectivity for Mobile Clients...
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Whitepapers
An Investigation of Primary Transmitter Detection Techniques in Cognitive Radio Networks from Network Optimization Perspective
March 11, 2008, 12:00am PDT
In this paper, the authors investigate the problem of primary user detection in Cognitive Radio networks. Compared with related work that aims to propose techniques at different layers of the...
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Whitepapers
Service-Oriented Device Composition in Resource-Constrained Ubiquitous Environments
March 11, 2008, 12:00am PDT
In this paper, the Service-Oriented Device Composer (SODC) is proposed to support ubiquitous service automation with considering QoS and resource management. A ubiquitous service is regarded as a...
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Whitepapers
Virtual Network Capacity Expansion Through Service Outsourcing
March 11, 2008, 12:00am PDT
Roaming agreements in 3G and beyond 3G networks can greatly enhance the delivery of services to end users. The cost of service delivery to the user depends on the price charged on networks...
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Whitepapers
Comparison of Different Scheduling Algorithms for WiMAX Base Station
March 11, 2008, 12:00am PDT
WiMAX is an IEEE standard (IEEE 802.16d/e) for wireless broadband access network. Some of the main advantages of WiMAX over other access network technologies are longer range and more...
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Whitepapers
Oversampled Orthogonal Frequency Division Multiplexing in Doubly Selective Fading
March 11, 2008, 12:00am PDT
A new oversampled Orthogonal Frequency Division Multiplexing (OFDM) system operating in doubly selective fading environment is proposed in this paper. The oversampled OFDM structure employs...
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Whitepapers
A Novel Resource Allocation Algorithm for Multiuser Downlink MIMO-OFDMA
March 11, 2008, 12:00am PDT
In this paper, dynamic resource allocation problems for multi-user downlink MIMO-OFDMA are investigated. With the goal of minimizing the total transmit power under condition that QoS of different...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
A Network-Assisted Association Scheme for 802.11-Based Mesh Networks
March 11, 2008, 12:00am PDT
Wireless Mesh Networks provide a flexible yet cost-effective means to expand wireless coverage, but their performance can be limited without carefully managing station-to-AP associations to...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Optimizing Fast Handover for Mobile IPv6 with Dynamic Price
March 11, 2008, 12:00am PDT
Fast Handover for Mobile IPv6 (FMIPv6) reduces the handover latency and packet loss during handover procedure by using tunneling and buffering mechanisms. However, when the arrival rate of fast...
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Whitepapers
Design of Rate Constrained Multi-user Receivers for Satellite Communications
April 15, 2008, 12:00am PDT
In the realm of satellite communications, one of the great impairments to increase the spectral efficiency is multi-user interference in the reverse link (mobile to satellite). Standards...
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Whitepapers
Link Layer Coding for DVB-S2 Interactive Satellite Services to Trains
April 15, 2008, 12:00am PDT
The railroad satellite channel is characterized by frequent signal outages due to tunnels, bridges and electrical trellises. While for medium/long tunnels the main option to offer reliable and...
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Whitepapers
Hsdpa 14,4 Mbps Mobiles
April 15, 2008, 12:00am PDT
The HS-DSCH uses multi-codes and 16 QAM modulation to achieve high throughput for high capability mobiles. Passing through a frequency selective channel, the MAI arises due to the orthogonality...
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Whitepapers
Simplified Interference Modeling in Multi-Cell Multi-Antenna Radio Network Simulations
April 15, 2008, 12:00am PDT
In this paper, the authors outline and evaluate a simplified interference model applicable in multi-cell multi-antenna radio network simulations. Based on the path-loss, the model classifies...
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Whitepapers
Modelling and Analysis of ARQ Mechanisms for Wireless Multi-hop Relay System
April 15, 2008, 12:00am PDT
Multi-hop relaying has attracted considerable attention recently as a key technique for improving cell coverage and throughput in wireless communication. the authors modeled various ARQ mechanisms...
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Whitepapers
Optimal Deployment Scheme for IEEE 802.16 Mesh Networks with Combined Single-radio and Two-radio Nodes
April 15, 2008, 12:00am PDT
The IEEE 802.16 standard supports the multi-hop mesh mechanism, which focuses on high throughput, fast and cost-effective deployment. The standard defines the scheduling scheme in mesh mode, and...
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Whitepapers
Reliability Enhancement of 3G Radio Network Prediction by a Conditional Distribution Discrimination Tree
April 15, 2008, 12:00am PDT
In this paper, the authors present a constructive learning system that enhances the reliability and precision of radio network predictions. This task is achieved by finding a correspondence...
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Whitepapers
Classification of Cellular Phone Mobility Using Naive Bayes Model
April 15, 2008, 12:00am PDT
Road traffic data is a fundamental element of the Intelligent Traffic System (ITS). However, the availability of road traffic data is currently limited due to the high investment of traffic...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
SWiFT: A Novel Architecture for Seamless Wireless Internet for Fast Trains
April 15, 2008, 12:00am PDT
It has been a challenge to support high speed (above 200kms/hr - freeways and high speed train) mobile user with broadband data communication. Research community efforts are underway to develop...
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Whitepapers
A Vertical Handoff Decision Scheme in Heterogeneous Wireless Systems
April 15, 2008, 12:00am PDT
One of the goals of Next Generation Wireless Networks (NGWNs) refers to the ability of supporting heterogeneous wireless access technologies. The objective is to provide a diverse range of...
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Whitepapers
Link-Level Analysis of Downlink Handover Regions in UMTS
April 15, 2008, 12:00am PDT
This paper investigates the downlink handover (soft/softer/hard) performance of Wideband Code Division Multiple Access (WCDMA) based 3rd generation Universal Mobile Telecommunication System...
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Whitepapers
Optimal Power Allocation for Hybrid Amplify-and-Forward Cooperative Networks
April 15, 2008, 12:00am PDT
A major challenge in the design of next generation wireless communication systems is to achieve both reliable and spectral efficient communication with large coverage range. To tackle this...
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Whitepapers
Wireless Access on Next Generation Broadband Internet Services
April 15, 2008, 12:00am PDT
The WiBro is a wireless internet system toward next generation system designed to be able to provide a variety of information and multimedia contents services through high speed wireless Internet...
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Whitepapers
Transport Layer Coding for Satellite-Based Audio and Multimedia Services to Vehicular Terminals in Ku-band
April 15, 2008, 12:00am PDT
Satellite radio for vehicles is normally hampered by the problem of the shadowing of the line-of-sight between satellite and receiver. One possible way to overcome this challenge is to provide a...
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Whitepapers
MBMS Performance with Single Frequency Network Operation on WCDMA Network
April 15, 2008, 12:00am PDT
The aim of this paper is to evaluate the system level performance of Point-to-Multipoint (p-t-m) Multimedia Broadcast Multicast Service (MBMS) using Single Frequency Network (SFN) operation on...
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Whitepapers
Performance Analysis of Fast Handover for Hierarchical MIPv6 in Cellular Networks
April 15, 2008, 12:00am PDT
Next-generation wireless networks present an all-IP based architecture integrating the existing cellular networks with Wireless Local Area Networks (WLANs), Wireless Metropolitan Area Networks...
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Whitepapers
Dynamic Resource Assignment (DRA) with Minimum Outage in Cellular Mobile Radio Networks
April 15, 2008, 12:00am PDT
The assignment of resources to cells of a cellular mobile radio network is an important task in design and operation of a network. In practice, the number of resource units that are available for...
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Whitepapers
Thermal Calibration of Low Cost MEMS Sensors for Land Vehicle Navigation System
April 15, 2008, 12:00am PDT
For vehicle navigation, Global Positioning System (GPS) provides long term accurate positions, but only when direct lines of sight to four or more satellites exist. Inertial Navigation Systems...
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Whitepapers
Design of Differential Quantization for Low Bitrate Channel State Information Feedback in MIMO-OFDM Systems
April 15, 2008, 12:00am PDT
The feedback of channel state information has always posed a problem for the design of a communications system where the information is required at the transmitter. In most cases, changing the...
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Whitepapers
Performance Analysis of a Layer-2 Multi-hop Authentication and Credential Delivery Scheme for Vehicular Networks
April 15, 2008, 12:00am PDT
Vehicular communications are expected to provide a wide set of useful services to drivers and passengers. These services can be classified as Intelligent Transportation System (ITS) services or...
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Whitepapers
Proportional Channel-aware Packet Scheduling in Satellite Multimedia Broadcasting
April 15, 2008, 12:00am PDT
In this paper, the authors study the optimization techniques for scheduling multimedia packets in satellite digital multimedia broadcasting system, namely SDMB, in the presence of a return link...
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Whitepapers
Cost Assessment and Optimization Methods for Multi-Node Radio Access Networks
April 15, 2008, 12:00am PDT
The expected performance improvements of next generation mobile Radio Access Networks (RANs) can be achieved, e.g., by a flexible deployment of different types of Radio Access Points (RAPs), such...
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Whitepapers
User Plane Protocol Optimization in Cellular Networks with Decode-and-Forward Type of Relay
April 15, 2008, 12:00am PDT
The use of relay stations in the cellular network is a good candidate method to enhance the cell edge data rate, and to provide homogeneous QoS experience for users in different locations. The...
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Whitepapers
MIMO Schemes In UTRA LTE, A Comparison
April 15, 2008, 12:00am PDT
The long term evolution of UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access, abbreviated as UTRA LTE, will be based on OFDM (Orthogonal Frequency Division Multiplexing)....
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Whitepapers
Discrete Mobile User Tracking Algorithm via Velocity Estimation for Microcellular Urban Environment
April 15, 2008, 12:00am PDT
A novel discrete tracking algorithm for mobile user based on velocity estimation in microcellular urban environment is proposed in this paper. By partitioning the mobile path and defining each...
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Whitepapers
Location Aided Location Update in IEEE 802.16e Wireless MANs
April 15, 2008, 12:00am PDT
IEEE 802.16 is one of the standards for Broadband Wireless Access (BWA) in Metropolitan Area Networks (MANs). IEEE 802.16e is the extension of IEEE 802.16 to enhance the mobility of Mobile...
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Whitepapers
Performance of an Intra- and Inter-cell Interference Mitigation Algorithm in HSDPA System
April 15, 2008, 12:00am PDT
Linear equalizer is known to effectively suppress intra-cell interference caused by the multi path propagation in High-Speed Downlink Packet Access (HSDPA) system. Equalizer algorithms are...
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Whitepapers
MIMO-Aided Near-Capacity Turbo Transceivers: Taxonomy and Performance Versus Complexity
May 3, 2012, 12:00am PDT
In this paper, the authors firstly review the associated Multiple-Input Multiple-Output (MIMO) system theory and review the family of hard-decision and soft-decision based detection algorithms in...
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Whitepapers
A Universal Space-Time Architecture for Multiple-Antenna Aided Systems
May 3, 2012, 12:00am PDT
Against the recent background of rapidly-increasing demand for high-speed multimedia wireless transceivers communicating over dispersive fading channels, a bandwidth efficient and reliable...
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