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broadband
(832 results)-
Whitepapers
Improving QoE for Skype Video Call in Mobile Broadband Network
Nov 2012
In this paper, the authors introduce an app-radio cross-layer framework for improving Quality of user Experience (QoE) of Over-The-Top (OTT) Internet applications in Mobile Broadband Networks,...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Simulations of Dual and Broadband Patch Antenna
Mar 2012
In this paper, the authors present the simulations results of the Broadband and dual band microstrip antenna. This serves to join the telecommunication services by using a single antenna. Antennas...
Provided by EuroJournals
-
Whitepapers
Turning Need Into Demand for Wi-Fi Broadband Internet Access on Trains
Sep 2012
Nowadays, it is the demand of every internet user to stay connected most of the time even if the user is on the move. The core focus of this paper is on internet connectivity with moving vehicles....
Provided by International Journal of Computer Applications
-
Whitepapers
Cognitive Radio Networks: Enabling New Wireless Broadband Opportunities
Jul 2008
In this paper, the authors discuss the regulatory scenario for cognitive radio networks and give an overview of the emerging IEEE 802.22 standard, which is based on a dynamic spectrum access...
Provided by Philipps-Universitat Marburg
-
Whitepapers
Green Radio Technology for Energy Saving in Mobile Towers
Jan 2013
The number of users and the use of telecommunication systems are increasing rapidly and this result in greater demands on energy usage. Based on the extensive Life-cycle Assessment (LCA) conducted...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
High Gain Microstrip Patch Antenna
Jun 2009
In this paper, a novel design technique for enhancing gain that improves the performance of a conventional microstrip patch antenna is proposed. This paper presents a novel wideband probe fed...
Provided by EuroJournals
-
Whitepapers
Ultrawideband Channel Sounding Within an Airbus 319
Jul 2010
Ultra-WideBand (UWB) techniques are recently targeted as a broadband short range solution for In-Flight-Entertainment (IFE) systems. Despite the in-cabin channel can be considered as an indoor...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Robust Channel Estimation for Broadband OFDM Systems With Virtual Tones
Jul 2010
In broadband Orthogonal Frequency Division Multiplexing (OFDM) systems, accurate Channel State Information (CSI) is required to support coherent detection and diversity combining. However, it is...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Quantization Noise Suppression for Envelope Pulse-Width Modulation (EPWM) Transmitters
Jul 2010
Modern wireless broadband communication systems utilize multicarrier modulation schemes such as the Orthogonal Frequency Division Multiplexing (OFDM) in order to achieve high spectral efficiency....
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
On the Accuracy of the Gaussian Approximation for the Evaluation of Nonlinear Effects in OFDM Signals
Jul 2010
OFDM (Orthogonal Frequency Division Multiplexing) modulations can have excellent performance in severely time-dispersive channels without the need of complex receiver implementations, making them...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Evaluating the Performance of Wireless Network Using OPNET Modeler
Jan 2013
Wireless networks have biggest constraint of limited bandwidth in comparison to wired networks but in spite of this constraint wireless networks are becoming popular day by day on account of their...
Provided by International Journal of Computer Applications
-
Whitepapers
An Efficient Resource Allocation in OFDMA Femtocells Networks
Jul 2010
Femtocell is one of promising key technologies to increase the efficiency and coverage of next generation broadband wireless networks. However, there exists interference problem between femtocells...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
QoS Assured Uplink Scheduler for WiMAX Networks
Jul 2010
The primary concern of broadband wireless technologies is to provide the end-to-end Quality of Service (QoS) for integrated real-time and non real-time applications. The main focus of the IEEE...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Transmit Beamforming for Space-Frequency Coded MIMO-OFDM Systems With Spatial Correlation Feedback
Oct 2008
This paper addresses the problem of joint optimization of transmit beamforming and Space-Frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in broadband communications....
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Distributed Space-Frequency Coding Over Broadband Relay Channels
Feb 2009
Designing diversity achieving schemes over the wireless broadband fading relay channels is crucial to achieve higher diversity gains. These gains are achieved by exploiting the multipath...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Time-Reversal Division Multiple Access Over Multi-Path Channels
Jul 2012
The multi-path effect makes high speed broadband communications a very challenging task due to the severe Inter-Symbol Interference (ISI). By concentrating energy in both the spatial and temporal...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Time-Reversal Division Multiple Access in Multi-Path Channels
Jan 2012
Multi-path effect makes high speed broadband communications a very challenging task due to the severe Inter-Symbol Interference (ISI). By concentrating energy in both spatial and temporal domains,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Novel Guaranteed Handover Scheme for HAP Communications Systems With Adaptive Modulation and Coding
Jul 2010
High Altitude Platforms (HAPs) have the prospect of becoming one of the most important communications infrastructures in the near future which can provide either 3G/4G mobile services or Broadband...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Network Economics Considerations for Incremental Data Services in Heterogeneous Wireless Wide Area Networks
Jul 2010
Wireless wide area networks (henceforth referred to as WWANs) technologies provide broadband Internet access to mobile subscribers over a regional, a nationwide, or even a global region. WWAN...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Pilot Based Channel Estimation in Broadband Power Line Communication Networks
Apr 2012
In this paper pilot based channel estimation is being considered for Broadband Power Line Communication (BPLC) networks witch used Orthogonal Frequency Division Multiplexing (OFDM) in order to...
Provided by Scientific Research
-
Whitepapers
Implementation of Wimax Simulator in Simulink
Aug 2012
The needs of high speed broadband wireless access at lower cost and easy deployment to meet the modern mobile services leads in the emergence of an another IEEE standard called Worldwide...
Provided by IOSR Journal of Engineering
-
Whitepapers
Reduced Complexity Max Norm Based PAPR Optimization in OFDM Systems
May 2012
Orthogonal Frequency Division Multiplexing (OFDM) is a suitable multicarrier modulation scheme for high speed broadband communication systems. OFDM provides bandwidth efficiency and robustness...
Provided by WSDOT
-
Whitepapers
An Area Segmentation Strategy for Adaptive Transmission to Achieve Near-Uniform High Quality Coverage in 30 GHz Fixed Wireless Cellular Systems in Tropical Regions
Aug 2011
This paper presents an area-segmented adaptive transmission strategy aiming at providing near-uniform high quality coverage in terms of availability and average spectral efficiency across the...
Provided by WSDOT
-
Whitepapers
Fast and Secure Handover Schemes Based on Proposed WiMAX Over EPON Network Security Architecture
Feb 2010
In recent years, the integration of Worldwide Interoperability for Microwave Access (WiMAX) and Ethernet Passive Optical Network (EPON) has become one of the most promising broadband access...
Provided by WSDOT
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Whitepapers
Analysis of Routing Metrics for Offering IPTV Over WiMAX Using Fuzzy Logic
Jul 2010
The quality of delivering IPTV services depends on the network QoS and bandwidth of broadband service providers. The possibility to offer high bandwidth capacity of WiMAX technology is attractive...
Provided by WSDOT
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Whitepapers
System Performance Evaluation of the IEEE 802.16e Pico-Base Station in Multihop-Relay and Mesh Networks
Oct 2010
This paper proposes a new design and a simulation model for the pico base station based on IEEE 802.16e standard and evaluates its performance in a muti-hop-relay and mesh networks. The proposed...
Provided by Jozef Stefan Institute
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Whitepapers
Ultra Wideband Wireless Comunications in The 60 Ghz Band
Dec 2010
The growing demand for broadband wireless communication links and the lack of wide frequency bands within the conventional spectrum causes users to seek bandwidth in the higher microwave and...
Provided by WSDOT
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Whitepapers
Cross-Layer Design and Performance Analysis of TDMA-Based Backhaul Network
Jul 2009
The needs for bridging of digital divide in rural communities and the economics of currently available broadband access technologies motivate for innovate and deploy new system designs and...
Provided by WSDOT
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Whitepapers
WiMAX Integration in NGN Network, Architecture, Protocols and Services
Jul 2009
With growing demands for fast provision of new and complex services, imposed by life and business dynamic in general, service providers are forced to adopt open technologies and advanced business...
Provided by WSDOT
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Whitepapers
Error Resilient MIMO Detector for Memory-Dominated Wireless Communication Systems
Nov 2012
In current broadband MIMO-OFDM systems such as 3GPP LTE, embedded buffering memories occupy a large portion of chip area and a significant amount of power consumption. Due to the dense structure...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Orthogonal Beamforming for Rural Broadband Wireless Access With Limited Feedback
Nov 2012
The authors consider an overlay mode of an Orthogonal Frequency Division Multiple Access (OFDMA) based cellular system using orthogonal beamforming to provide broadband wireless access for rural...
Provided by Swansea Metropolitan University
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Whitepapers
A Techno-Economic Model for the Optimized Introduction of ADSL Technology in an Urban Area
Dec 2007
In this paper, the authors optimizes the introduction of broadband internet service in an existing PSTN network, by the means of a techno-economical model. The proposed model determines the...
Provided by University of Passau
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Whitepapers
A Multi-Mode Multi-Band and Multi-System-Based Access Architecture for High-Speed Railways
Jul 2010
With the rapid development of high-speed railways all over the world, it is very promising to deliver public broadband access to passengers aboard high-speed trains. However, it has been a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Low Complexity Iterative Frequency Domain Decision Feedback Equalization
Jul 2010
In broadband wireless communication systems, Single-Carrier transmission with Frequency Domain Equalization (SCFDE) is regarded as an alternative modulation technique to the Orthogonal Frequency...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Mesh-Based Broadband Home Network Solution: Setup and Experiments
Jun 2010
In this paper, the authors investigate architectural and practical issues related to the setup of a broadband home network solution. Their experience led them to the consideration of a hybrid,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Handling CCI and ICI in OFDMA Femtocell Networks Through Frequency Scheduling
Jan 2010
Femtocells have a strong potential for increasing the efficiency and coverage of next-generation broadband wireless networks. In this paper, a co-channel framework for the coexistence of...
Provided by Institute of Electrical & Electronic Engineers
-
Case Studies
Energia Communications: Cisco UCS Supports "EneWing Cloud," Energia Communications' Cloud Service for Corporate Customers
Feb 2013
Hiroshima-based Energia Communications (Energia Com) provides communications services, such as Internet connection and broadband WAN, to individual users throughout the Chugoku region and to...
Provided by Cisco
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Whitepapers
Design of Broadband RoF PON for the Last Mile
Oct 2012
An increase in the demand of broadband service has encouraged research and study to find a solution to offer an adequate amount of service. Living in this digital world with downloading video,...
Provided by Scientific Research
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Whitepapers
Shooting and Bouncing Ray Approach for 4G Radio Network Planning
Dec 2012
Radio signal propagation prediction plays an essential role in planning of modern broadband mobile radio networks. While the less accurate statistical models predict only the path loss, the more...
Provided by NORTH ATLANTIC UNIVERSITY UNION
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Whitepapers
Analytical Framework for the Capacity and Delay Evaluation of Next-Generation FiWi Network Routing Algorithms
Oct 2012
Toward the vision of complete fixed-mobile convergence, a plethora of wireless, integrated optical-wireless, multipath, and energy-aware routing algorithms were proposed for legacy EPON/WLAN-mesh...
Provided by INRS
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Whitepapers
Optical Access Network Migration From GPON to XG-PON
Jun 2012
The purpose of this paper is to give an introduction into the new standard base of Next-Generation Passive Optical Network (NG-PON). Study and analysis of future trends in the development of...
Provided by IARIA
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Whitepapers
NAN Tools: An Open-Source Tool Suite for Interoperable Neutral Access Networks
Jun 2012
Although IP traffic has been growing exponentially for years and it is expected to keep following the same rate in the near future, current business models do not allow operators to benefit from...
Provided by IARIA
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Whitepapers
Securing the Backhaul for Mobile and Multi-Homed Femtocells
Jun 2011
The evolution of femtocells in residential networks expects to accelerate dramatically in next few years. The Femto Access Points (FAPs) connect subscribers to the operator through the residential...
Provided by University of Oulu
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Whitepapers
Analysis of WiMAX Physical Layer Using Spatial Multiplexing
Apr 2012
Broadband Wireless Access (BWA) has emerged as a promising solution for providing last mile internet access technology to provide high speed internet access to the users in the residential as well...
Provided by Academy & Industry Research Collaboration Center
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Whitepapers
BER and Simulation of OFDM Modulator and Demodulator for Wireless Broadband Applications
Jun 2012
With the rapid growth of digital wireless communication in recent years, the need for high speed mobile data transmission has increased. New modulation techniques are being implemented to keep up...
Provided by International Journal of Advanced Research in Computer Engineering & Technology
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Whitepapers
A 2.4 GHZ Microstrip Patch Antenna With a Single Slot for WLAN Application
Jun 2012
A newly design technique for enhancing Bandwidth that improves the performance of a conventional microstrip patch antenna is proposed. This paper presents a novel wideband slot antenna. The design...
Provided by International Journal of Advanced Research in Computer Engineering & Technology
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Whitepapers
Conceptual Design of a Dual-Use Radar/Communication System Based on OFDM
Sep 2008
The paper describes a novel system which can be used interchangeably as a radar sensor and communication device. The system is being developed at Miami University using COTS components and its...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Study of the Estimation Techniques for the Carrier Frequency Offset (CFO) in OFDM Systems
Jun 2012
Orthogonal Frequency Division Multiplexing (OFDM) has been selected for broadband wireless communication system. OFDM can provide large data rates with sufficient robustness to radio channel...
Provided by International Journal of Computer Science and Network Security
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Whitepapers
Performance of OFDM in the Variation of the Path Quantity in Power Line Communications
Jan 2011
Power line communication is an attractive alternative to traditional networks due to its ability to offer broadband internet access, telephone service, cable television and home automation. These...
Provided by INTI University College
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Whitepapers
Exploring the Individual Characteristics on the Adoption of Broadband: An Empirical Analysis
Jan 2011
This paper empirically investigates the factors that affect the users' intention to adopt broadband by incorporating individual characteristics with the conventional Technology Acceptance Model...
Provided by INTI University College
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Whitepapers
Solution to the Access Network of the Celia Sanchez Manduley Hospital in Granma Province
Sep 2011
The present investigation consists on proposing a feasible access network for the Celia Sánchez Manduley Hospital in Manzanillo, Granma province, which has been developed from the study of...
Provided by INTI University College
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Whitepapers
Performance Analysis of Multipath Channel Model for Power Line Communication With OFDM System
Jan 2012
Now-a-days Power Line Communications have been the subject of an important research work. Power line communication is an attractive alternative choice for traditional networks due to its ability...
Provided by INTI University College
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Whitepapers
Effects of Channel Estimation Error on Array Processing Based QO-STBC Coded OFDM Systems
Sep 2008
This paper concerns performance degradation caused by channel estimation error of Quasi-Orthogonal Space-Time Block (QO-STBC) Coded OFDM systems employing array processing decoder. The Least...
Provided by University of Munich
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Whitepapers
Oversampled Legendre Basis Expansion Model for Doubly-Selective Channels
Apr 2011
In broadband wireless communication, high rate data transmission and multipath propagation results in frequency selectivity. On the other hand, high mobility contributes to time selectivity in...
Provided by Isfahan University of Technology
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Whitepapers
Improving Video Streaming Over IEEE 802.11 Mesh Networks Through a Cross-Layer Design Technique
Dec 2008
There has been a spate of interest in wireless mesh networks in recent years. The reason behind such an upsurge of interest is that wireless mesh networks are seen as enablers of ubiquitous...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Narrow- and Broadband Interference Robustness for OOK/BPPM Based Energy Detection
Sep 2010
An analysis of narrow- and broadband interference robustness within an On-Off Keying/Binary Pulse Position Modulation based non-coherent multiband impulse radio ultra-wideband communication system...
Provided by Karlsruhe Institute of Technology
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Whitepapers
Detection of Rogue Base Stations in Wimax/IEEE802.16 Using Sensors
Aug 2012
This paper considers the problem of detecting rogue base station in Wimax/802.16 networks. IEEE 802.16 is an emerging standard for broadband wireless communications that is receiving a lot of...
Provided by International Journal of Computer Technology and Applications
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Whitepapers
Analysis of Relay Stations in WiMAX Networks
Aug 2012
The demand for broadband services is growing IEEE sharply today. The traditional solutions to provide high speed broadband access is to use wired access technologies such as cable modem, Digital...
Provided by International Journal of Computer Technology and Applications
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Whitepapers
Traffic Sensitive and Traffic Load Aware Path Selection Algorithm for MMR Wimax Networks
Jul 2011
The recent developments in the Broadband Wireless Access (BWA) communication systems have introduced several major changes to the existing systems. Legacy IEEE 802.16j is one such amendment to the...
Provided by Academy & Industry Research Collaboration Center
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Whitepapers
Carrier to Noise Ratio Performance Evaluation for Optical SSB Signal in Radio Over Fiber System
Jan 2012
The optical and wireless communication systems convergence will activate the potential capacity of photonic technology for providing the expected growth in interactive video, voice communication...
Provided by Interscience Open Access Journals
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Whitepapers
Dual-Hop OSTBC Transmissions Over Fading Channels Under Receiver Phase Noise for Regenerative Systems
May 2012
Space-time coding for fading channels is a Communication technique that realizes the diversity benefits of multiple transmit antennas. Previous work in this area has focused on the narrowband flat...
Provided by Interscience Open Access Journals
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Whitepapers
Joint QoS-Aware Node Clustering and Tax-Based Subcarrier Allocation for Wireless Mesh Networks
Oct 2008
In this paper, the authors propose a novel node clustering algorithm with effective tax-based subcarrier allocation tailored for wireless mesh networks with quality-of-service support. With...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Power Fairness in a Scalable Ring-Based Wireless Mesh Network With Variable Ring-Width Design
Oct 2008
The Wireless Mesh Network (WMN) is a promising solution to support wireless broadband applications. However, mesh networks face the power unfairness issue. Compared to the users far away from the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Very Wide Band Satellite Transmissions for Emergency Situations
Jul 2008
This paper presents an emergency communication system based on a regenerative payload, added as a piggy back onboard a broadband telecommunication satellite. The emergency system does not require...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Next Step Towards Satellite - Next Generation Network Convergence: Service Level Agreement Management
Jul 2008
The evolution of existing satellite systems towards NGN infrastructure is a key element in the integration of satellite into new "Convergence" concept. This requires a big effort taking into...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Web Services Based Resource Signaling Scheme in Multimedia Satellite Systems
Jul 2008
This paper introduces a Web Services based approach that extends resource reservation mechanism for interactive multimedia applications over multimedia satellite systems. It proposes a flexible...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Hybrid Satellite & Terrestrial Mobile Network for 4G : Candidate Architecture and Space Segment Dimensioning
Jul 2008
The great effort that is devoted to the definition of the '4G' highlights the need for the MSS ecosystem to explore the opportunity to include satellite into the paradigm of '4G' networks of...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
FSO-Relevant New Measurement Results Under Moderate Continental Fog Conditions at Graz and Milan
Jul 2008
Interest in Free Space Optics (FSO) has gained enormous popularity over the last few years, mainly due to two reasons, firstly delivering data rates that can meet future broadband...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Designing Cognitive Radio Terminals
Jul 2008
Ubiquitous broadband communications will be a major asset of future wireless systems, requiring a further evolution of the terminal and infrastructure component design which will need to...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Ground Plane Considerations for Printed Monopole Antennas Integrated Into Wireless Sensor Devices
Jun 2008
This paper presents the results of a parametric study on small integrated antennas for Wireless Sensor Network (WSN) devices operating in the 2-3 GHz range. The performance of small antennas...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Integer Linear Optimization Model for Channel Assignment Problem in Wireless Mesh Network
Jun 2008
Wireless Mesh Networks (WMN) is one of the attractive wireless technologies which is expected to be the best alternative for the current wired broadband Internet access. WMNs use a completely...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Broadband Services on Move in the Coverage of Relay-Based Network
Jul 2008
This paper provides a mathematical framework for calculating the received average throughput and total aggregated throughput while a user traverses the coverage area of relay enhanced cell. In...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Modelling of Integrated Broadcast and Unicast Networks With Content Adaptation Support
Mar 2009
Convergence of one-way broadcast and bidirectional unicast networks can be leveraged for efficient delivery of on-demand broadband contents in future telecommunication systems. In this paper, the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Multi-Carrier HSPA Evolution
Mar 2009
The HSPA Evolution will during the next decade be a key radio access technology for a cost-effective provisioning of mobile broadband services. In addition to the continuous improvements of...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Routing Protocol for WiMAX Based Maritime Wireless Mesh Networks
Mar 2009
The authors envisage extending radio coverage of the existing terrestrial wireless broadband networks to the sea to provide ships with high speed connection to the Internet. This is achieved by...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Review of Impedance Matching Networks for Bandwidth Enhancement
Jan 2012
A number of techniques can be used to eliminate reflections when the characteristic impedance of the line and the load impedance are mismatched. Impedance matching techniques can be designed to be...
Provided by International Journal of Emerging Technology and Advanced Engineering (IJETAE)
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Whitepapers
Distributed Differential Space-Time Coding for Broadband Cooperative Networks
Mar 2009
In this paper, the authors investigate distributed differential Space-Time Block Coding (STBC) for cooperative communications over frequency-selective fading channels. They carefully exploit the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Performance Enhancement of Spectrum Sliced Photonic Microwave Filter Using Parallel Fabry-Pérot Filters With High Profiled Windowing for WDM-ROF Link
Jun 2010
In this paper, the performance of spectrum sliced photonic microwave filter for Radio Over Fiber link is characterized. The proposed filter utilizes parallel Fabry-Perot filters for spectrum...
Provided by International Journal of Engineering Science and Technology (IJEST)
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Whitepapers
Capacity Evaluation of a SIMO Satellite System at L, S and Ku Bands
Mar 2009
Multiple-Input-Multiple-Output (MIMO) techniques have emerged as one of the most significant breakthroughs in modern terrestrial digital communications, due to its promise of very high data rates....
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
High-Sensitivity Carrier Sensing Using Overlapped FFT for Cognitive Radio Transceivers
Mar 2009
A noise suppression technique using overlapped FFT for carrier sensing of cognitive radio is proposed. The energy detection method is modified. A broadband signal is FFTed and the averaged power...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Simulations of Dual and Broadband Patch Antenna
Mar 2012
In this paper, the authors present the simulations results of the Broadband and dual band microstrip antenna. This serves to join the telecommunication services by using a single antenna. Antennas...
Provided by EuroJournals
-
Whitepapers
Turning Need Into Demand for Wi-Fi Broadband Internet Access on Trains
Sep 2012
Nowadays, it is the demand of every internet user to stay connected most of the time even if the user is on the move. The core focus of this paper is on internet connectivity with moving vehicles....
Provided by International Journal of Computer Applications
-
Whitepapers
Cognitive Radio Networks: Enabling New Wireless Broadband Opportunities
Jul 2008
In this paper, the authors discuss the regulatory scenario for cognitive radio networks and give an overview of the emerging IEEE 802.22 standard, which is based on a dynamic spectrum access...
Provided by Philipps-Universitat Marburg
-
Whitepapers
Green Radio Technology for Energy Saving in Mobile Towers
Jan 2013
The number of users and the use of telecommunication systems are increasing rapidly and this result in greater demands on energy usage. Based on the extensive Life-cycle Assessment (LCA) conducted...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
High Gain Microstrip Patch Antenna
Jun 2009
In this paper, a novel design technique for enhancing gain that improves the performance of a conventional microstrip patch antenna is proposed. This paper presents a novel wideband probe fed...
Provided by EuroJournals
-
Whitepapers
Ultrawideband Channel Sounding Within an Airbus 319
Jul 2010
Ultra-WideBand (UWB) techniques are recently targeted as a broadband short range solution for In-Flight-Entertainment (IFE) systems. Despite the in-cabin channel can be considered as an indoor...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Robust Channel Estimation for Broadband OFDM Systems With Virtual Tones
Jul 2010
In broadband Orthogonal Frequency Division Multiplexing (OFDM) systems, accurate Channel State Information (CSI) is required to support coherent detection and diversity combining. However, it is...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Quantization Noise Suppression for Envelope Pulse-Width Modulation (EPWM) Transmitters
Jul 2010
Modern wireless broadband communication systems utilize multicarrier modulation schemes such as the Orthogonal Frequency Division Multiplexing (OFDM) in order to achieve high spectral efficiency....
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
On the Accuracy of the Gaussian Approximation for the Evaluation of Nonlinear Effects in OFDM Signals
Jul 2010
OFDM (Orthogonal Frequency Division Multiplexing) modulations can have excellent performance in severely time-dispersive channels without the need of complex receiver implementations, making them...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Evaluating the Performance of Wireless Network Using OPNET Modeler
Jan 2013
Wireless networks have biggest constraint of limited bandwidth in comparison to wired networks but in spite of this constraint wireless networks are becoming popular day by day on account of their...
Provided by International Journal of Computer Applications
-
Whitepapers
An Efficient Resource Allocation in OFDMA Femtocells Networks
Jul 2010
Femtocell is one of promising key technologies to increase the efficiency and coverage of next generation broadband wireless networks. However, there exists interference problem between femtocells...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
QoS Assured Uplink Scheduler for WiMAX Networks
Jul 2010
The primary concern of broadband wireless technologies is to provide the end-to-end Quality of Service (QoS) for integrated real-time and non real-time applications. The main focus of the IEEE...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Transmit Beamforming for Space-Frequency Coded MIMO-OFDM Systems With Spatial Correlation Feedback
Oct 2008
This paper addresses the problem of joint optimization of transmit beamforming and Space-Frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in broadband communications....
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Distributed Space-Frequency Coding Over Broadband Relay Channels
Feb 2009
Designing diversity achieving schemes over the wireless broadband fading relay channels is crucial to achieve higher diversity gains. These gains are achieved by exploiting the multipath...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Time-Reversal Division Multiple Access Over Multi-Path Channels
Jul 2012
The multi-path effect makes high speed broadband communications a very challenging task due to the severe Inter-Symbol Interference (ISI). By concentrating energy in both the spatial and temporal...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Time-Reversal Division Multiple Access in Multi-Path Channels
Jan 2012
Multi-path effect makes high speed broadband communications a very challenging task due to the severe Inter-Symbol Interference (ISI). By concentrating energy in both spatial and temporal domains,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Novel Guaranteed Handover Scheme for HAP Communications Systems With Adaptive Modulation and Coding
Jul 2010
High Altitude Platforms (HAPs) have the prospect of becoming one of the most important communications infrastructures in the near future which can provide either 3G/4G mobile services or Broadband...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Network Economics Considerations for Incremental Data Services in Heterogeneous Wireless Wide Area Networks
Jul 2010
Wireless wide area networks (henceforth referred to as WWANs) technologies provide broadband Internet access to mobile subscribers over a regional, a nationwide, or even a global region. WWAN...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Pilot Based Channel Estimation in Broadband Power Line Communication Networks
Apr 2012
In this paper pilot based channel estimation is being considered for Broadband Power Line Communication (BPLC) networks witch used Orthogonal Frequency Division Multiplexing (OFDM) in order to...
Provided by Scientific Research
-
Whitepapers
Implementation of Wimax Simulator in Simulink
Aug 2012
The needs of high speed broadband wireless access at lower cost and easy deployment to meet the modern mobile services leads in the emergence of an another IEEE standard called Worldwide...
Provided by IOSR Journal of Engineering
-
Whitepapers
Reduced Complexity Max Norm Based PAPR Optimization in OFDM Systems
May 2012
Orthogonal Frequency Division Multiplexing (OFDM) is a suitable multicarrier modulation scheme for high speed broadband communication systems. OFDM provides bandwidth efficiency and robustness...
Provided by WSDOT
-
Whitepapers
An Area Segmentation Strategy for Adaptive Transmission to Achieve Near-Uniform High Quality Coverage in 30 GHz Fixed Wireless Cellular Systems in Tropical Regions
Aug 2011
This paper presents an area-segmented adaptive transmission strategy aiming at providing near-uniform high quality coverage in terms of availability and average spectral efficiency across the...
Provided by WSDOT
-
Whitepapers
Fast and Secure Handover Schemes Based on Proposed WiMAX Over EPON Network Security Architecture
Feb 2010
In recent years, the integration of Worldwide Interoperability for Microwave Access (WiMAX) and Ethernet Passive Optical Network (EPON) has become one of the most promising broadband access...
Provided by WSDOT
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Whitepapers
Analysis of Routing Metrics for Offering IPTV Over WiMAX Using Fuzzy Logic
Jul 2010
The quality of delivering IPTV services depends on the network QoS and bandwidth of broadband service providers. The possibility to offer high bandwidth capacity of WiMAX technology is attractive...
Provided by WSDOT
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Whitepapers
System Performance Evaluation of the IEEE 802.16e Pico-Base Station in Multihop-Relay and Mesh Networks
Oct 2010
This paper proposes a new design and a simulation model for the pico base station based on IEEE 802.16e standard and evaluates its performance in a muti-hop-relay and mesh networks. The proposed...
Provided by Jozef Stefan Institute
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Whitepapers
Ultra Wideband Wireless Comunications in The 60 Ghz Band
Dec 2010
The growing demand for broadband wireless communication links and the lack of wide frequency bands within the conventional spectrum causes users to seek bandwidth in the higher microwave and...
Provided by WSDOT
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Whitepapers
Cross-Layer Design and Performance Analysis of TDMA-Based Backhaul Network
Jul 2009
The needs for bridging of digital divide in rural communities and the economics of currently available broadband access technologies motivate for innovate and deploy new system designs and...
Provided by WSDOT
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Whitepapers
WiMAX Integration in NGN Network, Architecture, Protocols and Services
Jul 2009
With growing demands for fast provision of new and complex services, imposed by life and business dynamic in general, service providers are forced to adopt open technologies and advanced business...
Provided by WSDOT
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Whitepapers
Error Resilient MIMO Detector for Memory-Dominated Wireless Communication Systems
Nov 2012
In current broadband MIMO-OFDM systems such as 3GPP LTE, embedded buffering memories occupy a large portion of chip area and a significant amount of power consumption. Due to the dense structure...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Orthogonal Beamforming for Rural Broadband Wireless Access With Limited Feedback
Nov 2012
The authors consider an overlay mode of an Orthogonal Frequency Division Multiple Access (OFDMA) based cellular system using orthogonal beamforming to provide broadband wireless access for rural...
Provided by Swansea Metropolitan University
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Whitepapers
A Techno-Economic Model for the Optimized Introduction of ADSL Technology in an Urban Area
Dec 2007
In this paper, the authors optimizes the introduction of broadband internet service in an existing PSTN network, by the means of a techno-economical model. The proposed model determines the...
Provided by University of Passau
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Whitepapers
A Multi-Mode Multi-Band and Multi-System-Based Access Architecture for High-Speed Railways
Jul 2010
With the rapid development of high-speed railways all over the world, it is very promising to deliver public broadband access to passengers aboard high-speed trains. However, it has been a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Low Complexity Iterative Frequency Domain Decision Feedback Equalization
Jul 2010
In broadband wireless communication systems, Single-Carrier transmission with Frequency Domain Equalization (SCFDE) is regarded as an alternative modulation technique to the Orthogonal Frequency...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Mesh-Based Broadband Home Network Solution: Setup and Experiments
Jun 2010
In this paper, the authors investigate architectural and practical issues related to the setup of a broadband home network solution. Their experience led them to the consideration of a hybrid,...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Handling CCI and ICI in OFDMA Femtocell Networks Through Frequency Scheduling
Jan 2010
Femtocells have a strong potential for increasing the efficiency and coverage of next-generation broadband wireless networks. In this paper, a co-channel framework for the coexistence of...
Provided by Institute of Electrical & Electronic Engineers
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Case Studies
Energia Communications: Cisco UCS Supports "EneWing Cloud," Energia Communications' Cloud Service for Corporate Customers
Feb 2013
Hiroshima-based Energia Communications (Energia Com) provides communications services, such as Internet connection and broadband WAN, to individual users throughout the Chugoku region and to...
Provided by Cisco
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Whitepapers
Design of Broadband RoF PON for the Last Mile
Oct 2012
An increase in the demand of broadband service has encouraged research and study to find a solution to offer an adequate amount of service. Living in this digital world with downloading video,...
Provided by Scientific Research
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Whitepapers
Shooting and Bouncing Ray Approach for 4G Radio Network Planning
Dec 2012
Radio signal propagation prediction plays an essential role in planning of modern broadband mobile radio networks. While the less accurate statistical models predict only the path loss, the more...
Provided by NORTH ATLANTIC UNIVERSITY UNION
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Whitepapers
Analytical Framework for the Capacity and Delay Evaluation of Next-Generation FiWi Network Routing Algorithms
Oct 2012
Toward the vision of complete fixed-mobile convergence, a plethora of wireless, integrated optical-wireless, multipath, and energy-aware routing algorithms were proposed for legacy EPON/WLAN-mesh...
Provided by INRS
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Whitepapers
Structure-Based Evolutionary Programming Design of Broadband Wire Antennas
Dec 2012
A design technique for wire antennas, based on the Structure-Based Evolutionary Programming, is used to design a broadband antenna with an end-fire radiation pattern and a very simple geometry,...
Provided by Hindawi Publishing
