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wimax (802.16)
(1061 results)-
White Papers
Communication Protocol Engineering and Optimization of Network Entry Process in IEEE 802.16 Based Systems
Apr 2009
The improvement of the communication systems is conducted through communication protocol engineering and optimization process. This paper presents an effort to upgrade the IEEE 802.16 and IEEE...
Provided by Ss. Cyril and Methodius University in Skopje
-
White Papers
Analyzing WLANs Standards for Wireless Sensor Network
Jan 2011
Wireless sensor network is a special kind of wireless network, design to communicate with distributes wireless nodes (Which supplies the information). Data collection from leaf sensor node to the...
Provided by Kurukshetra University
-
White Papers
Mobile WiMAX: Multi-Cell Network Evaluation and Capacity Optimization
Jan 2009
The performance of a mobile WiMAX system is highly dependent on the application environment. Local clutter has a significant impact on the path loss exponent and the observed multipath statistics....
Provided by University of Bristol
-
White Papers
Intelligent GIS-Based Road Accident Analysis and Real-Time Monitoring Automated System Using WiMAX/GPRS
Mar 2008
It has been a big concern for many people and government to reduce the amount of road accidents especially in Malaysia since it could be a big threat to this country. Malaysian government has...
Provided by University Putra Malaysia
-
White Papers
On the Convergence of Wired and Wireless Access Network Architectures
Aug 2009
Wired and wireless access networks continue to evolve toward higher-capacity, multi-service systems. Recent wireless broadband networks such as 3G LTE and WiMax provide a general-purpose IP...
Provided by Massachusetts Institute of Technology
-
White Papers
Drizzle: Cooperative Symbol-Level Network Coding in Multi-Channel Wireless Networks
Jan 2010
Errors are inherently present in unreliable wireless channels. The primary challenge in designing error control protocols in the MAC or physical layer is to effectively maximize achievable...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Phase Noise Effects on Signal Detection for Uwb/wimax Coexistence
May 2008
After the Federal Communications Commission (FCC) authorized the unlicensed use of the frequency band between 3.1 to 10.6 GHz for UWB communication systems, interference problems became a concern....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Multimedia Wireless Transmission With Network Coding
Sep 2007
In recent years, Wireless Local Area Networks (WLAN) have become the premier choice for many homes and enterprises. WiMAX (Worldwide Interoperability for Microwave Access) has also emerged as the...
Provided by Oregon State University
-
White Papers
Performance Characteristics of an Operational WiMAX Network
Mar 2010
The term WiMAX is used to refer to a collection of standards, products, and service offerings derived from the IEEE 802.16 family of standards for wireless networks. These standards define...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Creating Templates to Achieve Low Delay in Multi-Carrier Frame-Based Wireless Data Systems
Jan 2008
The authors consider the problem of creating template-based schedules for multi-carrier frame-based wireless data systems such as 802.16 (Wimax). A template consists of an assignment of carriers...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Reinventing Healthcare Service Through M-Care Business Model: The Strategy Analysis of WiMAX Adoption
Aug 2007
To address the emerging issues of aging society, new technology creates many opportunities to solve the problem of care service and increases added-value in the digital family. Therefore, this...
Provided by Academy Publisher
-
White Papers
Mitigating DoS Attacks on the Paging Channel by Efficient Encoding in Page Messages
Aug 2009
Paging is an important mechanism for network bandwidth efficiency and mobile terminal battery life. It has been widely adopted by mobile networks, such as cellular networks, WiMax, and Mobile IP....
Provided by University of California
-
White Papers
Integration of IEEE 802.21 Services and Pre-Authentication Framework
May 2010
IEEE 802.21 standard and its services address the challenges of seamless mobility for multi-interface devices. The authors focus on a proof-of-concept implementation that integrates IEEE 802.21...
Provided by Inderscience Enterprises
-
White Papers
OFDM Downlink Scheduling for Delay-Optimality: Many-Channel Many-Source Asymptotics With General Arrival Processes
Feb 2011
The authors consider the downlink of an OFDM system for supporting a large number of delay-sensitive users. The OFDM scheduling problem can be modeled as a discrete-time multisource multi-server...
Provided by Purdue University
-
White Papers
OpenRoads: Empowering Research in Mobile Networks
Jun 2009
Many researchers are working on mobility management. Continued innovation and development in this area can naturally be expected. The authors anticipate rapid progress will be made in the areas of...
Provided by Stanford University
-
White Papers
Optimum Network Coding for Delay Sensitive Applications in WiMAX Unicast
May 2009
MAC layer Random Network Coding (MRNC) was proposed in as an alternative to HARQ for reliable data transmission in WiMAX unicast. It has been shown that MRNC achieves higher transmission...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Exploiting Use of a New Performance Metric for Construction of Robust and Efficient Wireless Backbone Network
Apr 2010
In order to improve transmission throughput of a multi-hop wireless network, many efforts have been made in recent years to reduce traffic and hence transmission collisions by constructing...
Provided by Stony Brook University
-
White Papers
On the Goodput of TCP NewReno in Mobile Networks
May 2010
Next-generation wireless networks such as LTE and WiMax can achieve throughputs of several Mbps with TCP. These higher throughputs, however, can easily be destroyed by frequent handoffs, which...
Provided by Virginia Tech
-
White Papers
Bandwidth Recycling in IEEE 802.16 Networks
Mar 2010
IEEE 802.16 standard was designed to support the bandwidth demanding applications with Quality of Service (QoS). Bandwidth is reserved for each application to ensure the QoS. For Variable Bit Rate...
Provided by Iowa State University
-
White Papers
Analysis and Enhancement of Bandwidth Request Strategies in IEEE 802.16 Networks
Mar 2010
IEEE 802.16 based broadband wireless access network is considered as one of the most promising wireless access technologies. It employs a request/grant scheme in bandwidth allocation where each...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Approach to Improve the Efficiency of Distributed Scheduling in IEEE 802.16 Mesh Networks
May 2009
The recent standard for broadband wireless access networks, IEEE 802.16, which resulted in the development of metropolitan area wireless networks, includes two network organization modes: Point to...
Provided by Academy Publisher
-
White Papers
CINR and N-Factor Dependent Fair Scheduling Algorithm for Mobile WiMAX
Nov 2009
IEEE 802.16/WiMAX, a broadband wireless access technique is a promising technology that supports both fixed and mobile users. The conventional scheduling algorithms in WiMAX have a policy to...
Provided by Academy Publisher
-
Case Studies
Bulgarian Telco Pioneers Mobile Triple-Play Services Over WiMAX
Nov 2010
Max Telecom entered the telecommunications their business challenge is that rapidly and cost-effectively expand service coverage to all of Bulgaria with enable capacity for "Triple-Play" services...
Provided by Cisco Systems
-
Whitepapers
Joint AOA/RSSI Based Multi-User Location System for Military Mobile Base-Station
Oct 2008
In this paper, the authors propose a 2-dimensional multi-user location system based on local tactical military communication network for one mobile Base-Station (BS). The proposed system estimate...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Tactical Services Providers: Wireless Extension Design and Performance Analysis
Nov 2008
The Defense Information Systems Agency (DISA) is operating as the Technical Manager in the Tactical Services Provider (TSP) Joint Capability Technology Demonstration (JCTD). TSP will evaluate the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Network Entry Protocol and an OFDMA Symbol Allocation Scheme for Non-Transparent Relay Stations in IEEE 802.16j MMR Networks
Sep 2008
A Relay Station (RS) in IEEE 802.16j Mobile Multi-hop Relay (MMR) networks provides access links to far-off Subscriber Stations (SSs) and hidden subscriber stations. The RS also relays data from a...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
The Handover and Internetworking Capabilities of WiMAX MAC Layer
Feb 2011
In the last few years, the telecommunication industries' development has focused on an intensive use of broadband systems, which are characterized by high quality features. For this issue, new...
Provided by Islamic University
-
Whitepapers
Performance Analysis of STBC-OFDM Transmit Diversity With Phase Noise and Imperfect Channel Estimation
Oct 2008
In this paper, the authors investigate the effects of RF impairments and Imperfect Channel Estimation (ICE) on the performance of Quadrature Amplitude Modulation (QAM) for Orthogonal Frequency...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
VLSI Architectures for WIMAX Channel Decoders
Dec 2009
WIMAX has gained a wide popularity due to the growing interest and diffusion of broadband wireless access systems. In order to be flexible and reliable WIMAX adopts several different channel...
Provided by Cornell University
-
White Papers
Wi-Fi, WiMax and WCDMA a Comparative Study Based on Channel Impairments and Equalization Method Used
Mar 2009
The use of Vehicle-To-Vehicle (V2V) communication will be an integral part of Intelligent Transport Systems (ITSs), and work on ITS has been growing substantially in recent years. Some obvious...
Provided by Jadavpur University
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Whitepapers
Cloud computing: Innovative solutions for test environments
Apr 2011
This whitepaper features valuable insights pertaining to cloud usage and implementation scenarios for test cloud environments. Includes helpful guidance and scenarios for IT Managers and CIOs...
Provided by IBM
-
White Papers
Effect of Hash Function on Performance of Low Power Wake Up Receiver for Wireless Sensor Network
Oct 2010
Next generation network will consist of different types of wireless networks like WSN, Wi-Fi, WiMAX, UMTS, LTE and etc. Wireless Sensor Network (WSN) finds unique and special application as...
Provided by NIT Kurukshetra
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White Papers
A Wimax Solution for Real-Time Video Surveillance in Public Transport
Mar 2011
Video surveillance is a highly useful tool to the public transport authorities, which is now widely used as a measure to ensure passenger safety and security. While video surveillance application...
Provided by Edith Cowan University
-
White Papers
Variable Quantum Deficit Round Robin Scheduling for Improved Fairness in Multihop Networks
Jan 2011
To increase the coverage area, Multichip WiMAX networks are particularly useful without the need to deploy expensive base stations. One of the most common variants in Multihop WiMAX is the...
Provided by Andhra University
-
White Papers
A Scheduler for Unsolicited Grant Service (UGS) in IEEE 802.16e Mobile WiMAX Networks
Jan 2011
One of the key features of the IEEE 802.16e Mobile WiMAX system is its strong Quality of Service (QoS). IEEE 802.16e Mobile WiMAX provides multiple QoS classes for voice, video, and data...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Deficit Round Robin With Fragmentation Scheduling to Achieve Generalized Weighted Fairness for Resource Allocation in IEEE 802.16e Mobile WiMAX Networks
Oct 2010
Deficit Round Robin (DRR) is a fair packet-based scheduling discipline commonly used in wired networks where link capacities do not change with time. However, in wireless networks, especially...
Provided by Khon Kaen University
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White Papers
Modeling and Resource Allocation for HD Videos Over WiMAX Broadband Wireless Networks
May 2010
Mobile video is considered a major upcoming application and revenue generator for broadband wireless networks like WiMAX and LTE. Therefore, it is important to design a proper resource allocation...
Provided by Washington University in St. Louis
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White Papers
Modeling and Resource Allocation for Mobile Video Over WiMAX Broadband Wireless Networks
Apr 2010
The key to proper resource allocation for mobile video on wireless networks is to have a good model for the resource demands. In this paper, the authors present the results of analysis of a number...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Policy Oriented Multi-Interface Selection Framework for Mobile IPv6 Using the ID/Locator Split Concepts in the Next Generation Wireless Networks
Feb 2010
Next Generation Wireless Networks (NGWNs) will be the convergence of fixed and mobile networking technologies, e.g., Ethernet, Wireless LAN, 2G/3G/4G, etc. This united ubiquitous network will...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
eOCSA: An Algorithm for Burst Mapping With Strict QoS Requirements in IEEE 802.16e Mobile WiMAX Networks
Feb 2010
Mobile WiMAX systems based on the IEEE 802.16e standard require all downlink allocations to be mapped to a rectangular region in the two dimensional subcarrier-time map. Many published resource...
Provided by Washington University in St. Louis
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Whitepapers
Embedded Reconfigurable Synchronization & Acquisition ASIP for a Multi-Standard OFDM Receiver
May 2012
Embedded reconfigurable architectures are currently attracting increasing attention in the wireless communications industry due to the escalating number of wireless standards in today's market....
Provided by Springer Healthcare
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Whitepapers
Next Generation 4G WiMAX Networks - IEEE 802.16 Standard
Oct 2012
This paper gives an overview about the various PHY and MAC layer specification which define the IEEE 802.16 standard and which define the Fixed WiMAX (Ver. 802.16d-2004) and Mobile WiMAX (Ver....
Provided by AIRCC
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Whitepapers
Handoff Process In Mobile WiMAX Networks
Jun 2012
In the present scenario, new and fast emerging technologies are taking place in the field of wireless networks. These technologies allow high speed broadband wireless access. Mobile WiMAX...
Provided by Kurukshetra University
-
Whitepapers
A New Energy Saving Mechanism in IEEE 802.16e/m
Nov 2011
To extend lifetime of battery-powered mobile device before its recharging in broadband wireless access networks, power saving mechanism in MAC (Medium Access Control) has become a significant...
Provided by Science and Development Network (SciDev.Net)
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Whitepapers
Improving Quality of VoIP over WiMAX
May 2012
Real-time services such as VoIP are becoming popular and are major revenue earners for network service providers. These services are no longer confined to the wired domain and are being extended...
Provided by International Journal of Computer Science Issues
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Whitepapers
Performance Analysis of Scheduling Algorithms For VoIP Services in IEEE 802.16 Systems
Nov 2012
VoIP applications are being widely used in today's networks challenging their capabilities to provide a good quality of experience level to the users. In particular, there are several scheduling...
Provided by International Journal of Computer Science Issues
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Whitepapers
Novel Fast Encryption Algorithms for Multimedia Transmission over Mobile WiMax Networks
Nov 2012
Security support is mandatory for any communication networks. For wireless systems, security support is even more important to protect the users as well as the network. Since wireless medium is...
Provided by International Journal of Computer Science Issues
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Whitepapers
Improve Downlink Burst Allocation to Achieve High Frame Utilization of Mobile WiMAX (802.16e)
Nov 2012
The burst allocation algorithm is responsible about calculating the appropriate dimensions and location of each user's data to construct the bursts in the downlink subframe in term of the number...
Provided by International Journal of Computer Science Issues
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Whitepapers
Empirical Evaluation of Superposition Coded Multicasting for Scalable Video
Sep 2012
In this paper, the authors investigate cross-layer Superposition Coded Multicast (SCM). Previous studies have proven its effectiveness in exploiting better channel capacity and service...
Provided by King Abdullah University of Science and Technology
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Whitepapers
Distributed Queue Random Multiple Access Algorithm for Centralized Data Networks
Oct 2009
The development of efficient media access control protocols for new generation networks, such as IEEE 802.16 metropolitan wireless system, is a challenging task nowadays. The problem of designing...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
IEEE 802.11 and 802.16 Cooperation Within Multi-Radio Stations
Feb 2008
In this paper, the authors address the problem of the cooperative functioning of two communication standards, namely, IEEE 802.11 and IEEE 802.16, within a single multi-radio station. The concept...
Provided by State University of Aerospace Instrumentation
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Whitepapers
Contention-Based Polling Efficiency in Broadband Wireless Networks
Jun 2008
This paper addresses the performance of the contention based polling techniques at the bandwidth reservation stage of IEEE 802.16 standard. A general proposition is proved, which establishes that...
Provided by Springer Healthcare
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Whitepapers
Symmetric User Grouping for Multicast and Broadcast Polling in IEEE 802.16 Networks
Jan 2013
IEEE 802.16 standard provides a high-speed channel access to various multimedia services. It specifies both PHYsical (PHY) and Media Access Control (MAC) layers with a special emphasis on the...
Provided by State University of Aerospace Instrumentation
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Whitepapers
IEEE 802.16m Energy-Efficient Sleep Mode Operation Analysis With Mean Delay Restriction
Aug 2009
IEEE 802.16 group of standards defines a high speed wireless access system with support for various multimedia services. The standard contains specifications of Media Access Control layer (MAC)...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Overall Delay in IEEE 802.16 With Contention-Based Random Access
Jun 2009
In this paper, the authors address the overall message delay analysis of IEEE 802.16 wireless metropolitan area network with contention-based multiple access of bandwidth requests. The overall...
Provided by Springer Healthcare
-
Whitepapers
Comparative Analysis of Sleep Mode Control Algorithms for Contemporary Metropolitan Area Wireless Networks
Jun 2010
Recently, broadband wireless networks, such as IEEE 802.16 and LTE, receive more and more attention from the researchers. Increasing the energy efficiency of the end clients in these systems is an...
Provided by tampanetmedia.com
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Whitepapers
A Practical Tree Algorithm With Successive Interference Cancellation for Delay Reduction in IEEE 802.16 Networks
Jun 2011
This paper thoroughly studies a modification of tree algorithm with successive interference cancellation. In particular, the authors focus on the algorithm throughput and account for a single...
Provided by Springer Healthcare
-
Whitepapers
Energy Efficient Operation of 3GPP LTE-Advanced and IEEE 802.16m Downlink Channel
Nov 2011
Currently, prominent 4G wireless networking technologies receive increasing attention from the research community. Represented by 3GPP LTE and IEEE 802.16 cellular standards, they support both...
Provided by tampanetmedia.com
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Whitepapers
A Study on Resource Allocation Algorithms in Wireless Relay Networks
Nov 2012
In this paper, the multicast routing problem in wireless relay networks is considered. The resource allocation problem in IEEE 802.16j WIMAX Networks is discussed. The relay stations are used to...
Provided by International Journal of Computer Applications
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Whitepapers
Evaluation of Parameters for Improving Handoff Performance in Mobile WiMAX Networks
Sep 2012
Mobile WiMAX is the latest technology that promises broadband wireless access over long distance. In order to support mobility and continuous network connectivity in mobile WiMAX, it is necessary...
Provided by Academy & Industry Research Collaboration Center
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Whitepapers
MIMO Techniques in WiMAX and LTE: A Feature Overview
May 2010
IEEE 802.16m and 3GPP LTE-Advanced are the two evolving standards targeting 4G wireless systems. In both standards, multiple-input multiple-output antenna technologies play an essential role in...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Investigation on IEEE 802.16m Networks Under Developed Error Model
Nov 2012
Contention based bandwidth request mechanism is suggested for best effort services in WiMAX networks. The design of contention mechanism depends on the error model that reflects the transmission...
Provided by International Journal of Computer Applications
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Whitepapers
WiMAX or Wi-Fi: The Best Suited Candidate Technology for Building Wireless Access Infrastructure
Jul 2007
With the help of many expert communication engineers IEEE has developed various wireless standards in a hierarchical fashion. Some of the deployed wireless standards are: 802.15 (Bluetooth),...
Provided by KTH
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Whitepapers
Network Coding as a WiMAX Link Reliability Mechanism
Aug 2012
The authors design and implement network-coding-enabled reliability architecture for next generation wireless networks. Their Network Coding (NC) architecture uses a flexible thread-based design,...
Provided by Rutgers CMD
-
Whitepapers
Resource Allocation in Mobile WiMAX Network: An Optimal Approach
Nov 2012
In the last few years there has been significant growth in the area of wireless communication. IEEE 802.16/WiMAX is the network which is designed for providing high speed wide area broadband...
Provided by Cornell University
-
Whitepapers
Effect of AWGN & Fading (Raleigh & Rician) Channels on BER Performance of a WiMAX Communication System
Aug 2012
The emergence of WIMAX has attracted significant interests from all fields of wireless communications including students, researchers, system engineers and operators. The WIMAX can also be...
Provided by University of Queensland Union
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Whitepapers
WiFi and WiMAX Secure Deployments
Dec 2009
Wireless Broadband offers incredibly fast, "Always on" Internet similar to ADSL and sets the user free from the fixed access areas. In order to achieve these features standardisation was achieved...
Provided by Hindawi Publishing
-
Whitepapers
A DiffServ Architecture for QoS-Aware Routing for Delay-Sensitive and Best-Effort Services in IEEE 802.16 Mesh Networks
Aug 2011
In today's networks, the widespread use of real-time traffic such as video and audio applications demand special service guarantee in terms of throughput, delay, and jitter, thus making Quality of...
Provided by Hindawi Publishing
-
Whitepapers
Comparative Performance Evaluation of TCP Variants in WiMAX (and WLANs) Network Configurations
Jan 2012
An important application for the IEEE 802.16 technology (also called WiMAX) is to provide high-speed access to the Internet where the Transmission Control Protocol (TCP) is the core transport...
Provided by Hindawi Publishing
-
Whitepapers
Advance Handoff Requirements Schemes in Wimax and LTE Networks in Wireless Sensor Network
Dec 2012
The emerging technology, which allows high speed broadband wireless access, is the WiMAX technology which is based on the IEEE 802.16 family of standards. Mobile WiMAX (Worldwide Interoperability...
Provided by International Journal of Computer Applications
-
Whitepapers
Two-Hop Relay-Based Vehicular Network in WiMAX
Sep 2012
In mobile communication, routing data through intermediate mobile node is a challenging task due to high mobility of nodes which causes rapid change in network topology and frequent disconnection...
Provided by International Journal of Computer Applications
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Whitepapers
Secure Key Management Protocol in WIMAX
Nov 2012
The Worldwide Interoperability for Microwave Access (WIMAX /IEEE 802.16), is new technology based on wireless metropolitan area network. Security of connections access in WIMAX /IEEE 802.16 is...
Provided by International Journal of Network Security
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Whitepapers
Performance Enhancement of TCP Using ECN and Snoop Protocol for Wi-Max Network
Aug 2010
Providing Internet services over wireless links has grown rapidly in recent years. TCP (Transmission Control Protocol) has been performing well over the traditional wired networks where packet...
Provided by International Journal of Computer Applications
-
Whitepapers
Coordination Across Base Stations for Effective Control of Space Division Multiple Access Enhanced IEEE 802.16m Systems
Jul 2009
In recent years, smart antenna technologies are of ever-increasing interest to boost the capacity of existing and future wireless systems. Several standards support these techniques such as the...
Provided by RWSoftware
-
Whitepapers
Spectrum Load Smoothing in IEEE 802.16 Systems
Jun 2010
Today's framework for radio spectrum regulation and spectrum usage is undergoing fundamental changes. In the face of scarce radio resources, regulators, industry, and the research community are...
Provided by RWSoftware
-
Whitepapers
New Combined WiMAX/DSRC Infrastructure Design for Efficient Vehicular Networking
Aug 2012
In this paper, a new infrastructure of a combined Worldwide interoperability for Microwave Access (WiMAX) and Dedicated Short-Range Communications (DSRC) link layer is proposed with the purpose of...
Provided by EURASIP
-
Whitepapers
Industrial Wireless Sensor Networks: Channel Modeling and Performance Evaluation
Sep 2012
A complete dynamic wideband channel model for industrial wireless sensor network is presented. The model takes into account the noise, interferences, and heavy multipath propagation effects...
Provided by EURASIP
-
Whitepapers
The Cross Layer RMPA Handover: A Reliable Mobility Pattern Aware Handover Strategy for Broadband Wireless Communication in a High-Speed Railway Domain
Sep 2012
Enhancing the handover process in broadband wireless communication deployment has traditionally motivated many research initiatives. In a high-speed railway domain, the challenge is even greater....
Provided by EURASIP
-
Whitepapers
Inter-Relay Handoff in Two-Hop Relaying Networks with Highly Mobile Vehicles
Sep 2012
In multihop cellular networks, mobile users can communicate with the base stations via Relay Stations (RSs), and handoff between different RSs. This type of handoffs is referred to as inter-relay...
Provided by EURASIP
-
Whitepapers
Region Coordination Across Space Division Multiple Access Enhanced Base Stations in IEEE 802.16m Systems
Dec 2009
In recent years, smart antenna technologies are of ever-increasing interest to boost the capacity of future wireless systems. Several standards support these techniques such as the Wireless...
Provided by RWSoftware
-
White Papers
Mobile WiMAX: Multi-Cell Network Evaluation and Capacity Optimization
Jan 2009
The performance of a mobile WiMAX system is highly dependent on the application environment. Local clutter has a significant impact on the path loss exponent and the observed multipath statistics....
Provided by University of Bristol
-
White Papers
Intelligent GIS-Based Road Accident Analysis and Real-Time Monitoring Automated System Using WiMAX/GPRS
Mar 2008
It has been a big concern for many people and government to reduce the amount of road accidents especially in Malaysia since it could be a big threat to this country. Malaysian government has...
Provided by University Putra Malaysia
-
White Papers
On the Convergence of Wired and Wireless Access Network Architectures
Aug 2009
Wired and wireless access networks continue to evolve toward higher-capacity, multi-service systems. Recent wireless broadband networks such as 3G LTE and WiMax provide a general-purpose IP...
Provided by Massachusetts Institute of Technology
-
White Papers
Drizzle: Cooperative Symbol-Level Network Coding in Multi-Channel Wireless Networks
Jan 2010
Errors are inherently present in unreliable wireless channels. The primary challenge in designing error control protocols in the MAC or physical layer is to effectively maximize achievable...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Phase Noise Effects on Signal Detection for Uwb/wimax Coexistence
May 2008
After the Federal Communications Commission (FCC) authorized the unlicensed use of the frequency band between 3.1 to 10.6 GHz for UWB communication systems, interference problems became a concern....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Multimedia Wireless Transmission With Network Coding
Sep 2007
In recent years, Wireless Local Area Networks (WLAN) have become the premier choice for many homes and enterprises. WiMAX (Worldwide Interoperability for Microwave Access) has also emerged as the...
Provided by Oregon State University
-
White Papers
Performance Characteristics of an Operational WiMAX Network
Mar 2010
The term WiMAX is used to refer to a collection of standards, products, and service offerings derived from the IEEE 802.16 family of standards for wireless networks. These standards define...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Creating Templates to Achieve Low Delay in Multi-Carrier Frame-Based Wireless Data Systems
Jan 2008
The authors consider the problem of creating template-based schedules for multi-carrier frame-based wireless data systems such as 802.16 (Wimax). A template consists of an assignment of carriers...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Reinventing Healthcare Service Through M-Care Business Model: The Strategy Analysis of WiMAX Adoption
Aug 2007
To address the emerging issues of aging society, new technology creates many opportunities to solve the problem of care service and increases added-value in the digital family. Therefore, this...
Provided by Academy Publisher
-
White Papers
Mitigating DoS Attacks on the Paging Channel by Efficient Encoding in Page Messages
Aug 2009
Paging is an important mechanism for network bandwidth efficiency and mobile terminal battery life. It has been widely adopted by mobile networks, such as cellular networks, WiMax, and Mobile IP....
Provided by University of California
-
White Papers
Integration of IEEE 802.21 Services and Pre-Authentication Framework
May 2010
IEEE 802.21 standard and its services address the challenges of seamless mobility for multi-interface devices. The authors focus on a proof-of-concept implementation that integrates IEEE 802.21...
Provided by Inderscience Enterprises
-
White Papers
OFDM Downlink Scheduling for Delay-Optimality: Many-Channel Many-Source Asymptotics With General Arrival Processes
Feb 2011
The authors consider the downlink of an OFDM system for supporting a large number of delay-sensitive users. The OFDM scheduling problem can be modeled as a discrete-time multisource multi-server...
Provided by Purdue University
-
White Papers
OpenRoads: Empowering Research in Mobile Networks
Jun 2009
Many researchers are working on mobility management. Continued innovation and development in this area can naturally be expected. The authors anticipate rapid progress will be made in the areas of...
Provided by Stanford University
-
White Papers
Optimum Network Coding for Delay Sensitive Applications in WiMAX Unicast
May 2009
MAC layer Random Network Coding (MRNC) was proposed in as an alternative to HARQ for reliable data transmission in WiMAX unicast. It has been shown that MRNC achieves higher transmission...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Exploiting Use of a New Performance Metric for Construction of Robust and Efficient Wireless Backbone Network
Apr 2010
In order to improve transmission throughput of a multi-hop wireless network, many efforts have been made in recent years to reduce traffic and hence transmission collisions by constructing...
Provided by Stony Brook University
-
White Papers
On the Goodput of TCP NewReno in Mobile Networks
May 2010
Next-generation wireless networks such as LTE and WiMax can achieve throughputs of several Mbps with TCP. These higher throughputs, however, can easily be destroyed by frequent handoffs, which...
Provided by Virginia Tech
-
White Papers
Analysis and Enhancement of Bandwidth Request Strategies in IEEE 802.16 Networks
Mar 2010
IEEE 802.16 based broadband wireless access network is considered as one of the most promising wireless access technologies. It employs a request/grant scheme in bandwidth allocation where each...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Approach to Improve the Efficiency of Distributed Scheduling in IEEE 802.16 Mesh Networks
May 2009
The recent standard for broadband wireless access networks, IEEE 802.16, which resulted in the development of metropolitan area wireless networks, includes two network organization modes: Point to...
Provided by Academy Publisher
-
White Papers
CINR and N-Factor Dependent Fair Scheduling Algorithm for Mobile WiMAX
Nov 2009
IEEE 802.16/WiMAX, a broadband wireless access technique is a promising technology that supports both fixed and mobile users. The conventional scheduling algorithms in WiMAX have a policy to...
Provided by Academy Publisher
-
Case Studies
Bulgarian Telco Pioneers Mobile Triple-Play Services Over WiMAX
Nov 2010
Max Telecom entered the telecommunications their business challenge is that rapidly and cost-effectively expand service coverage to all of Bulgaria with enable capacity for "Triple-Play" services...
Provided by Cisco Systems
-
Whitepapers
Joint AOA/RSSI Based Multi-User Location System for Military Mobile Base-Station
Oct 2008
In this paper, the authors propose a 2-dimensional multi-user location system based on local tactical military communication network for one mobile Base-Station (BS). The proposed system estimate...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Tactical Services Providers: Wireless Extension Design and Performance Analysis
Nov 2008
The Defense Information Systems Agency (DISA) is operating as the Technical Manager in the Tactical Services Provider (TSP) Joint Capability Technology Demonstration (JCTD). TSP will evaluate the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Network Entry Protocol and an OFDMA Symbol Allocation Scheme for Non-Transparent Relay Stations in IEEE 802.16j MMR Networks
Sep 2008
A Relay Station (RS) in IEEE 802.16j Mobile Multi-hop Relay (MMR) networks provides access links to far-off Subscriber Stations (SSs) and hidden subscriber stations. The RS also relays data from a...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
The Handover and Internetworking Capabilities of WiMAX MAC Layer
Feb 2011
In the last few years, the telecommunication industries' development has focused on an intensive use of broadband systems, which are characterized by high quality features. For this issue, new...
Provided by Islamic University
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Whitepapers
Performance Analysis of STBC-OFDM Transmit Diversity With Phase Noise and Imperfect Channel Estimation
Oct 2008
In this paper, the authors investigate the effects of RF impairments and Imperfect Channel Estimation (ICE) on the performance of Quadrature Amplitude Modulation (QAM) for Orthogonal Frequency...
Provided by Institute of Electrical & Electronic Engineers
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White Papers
VLSI Architectures for WIMAX Channel Decoders
Dec 2009
WIMAX has gained a wide popularity due to the growing interest and diffusion of broadband wireless access systems. In order to be flexible and reliable WIMAX adopts several different channel...
Provided by Cornell University
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White Papers
Wi-Fi, WiMax and WCDMA a Comparative Study Based on Channel Impairments and Equalization Method Used
Mar 2009
The use of Vehicle-To-Vehicle (V2V) communication will be an integral part of Intelligent Transport Systems (ITSs), and work on ITS has been growing substantially in recent years. Some obvious...
Provided by Jadavpur University
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Whitepapers
Cloud computing: Innovative solutions for test environments
Apr 2011
This whitepaper features valuable insights pertaining to cloud usage and implementation scenarios for test cloud environments. Includes helpful guidance and scenarios for IT Managers and CIOs...
Provided by IBM
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White Papers
Effect of Hash Function on Performance of Low Power Wake Up Receiver for Wireless Sensor Network
Oct 2010
Next generation network will consist of different types of wireless networks like WSN, Wi-Fi, WiMAX, UMTS, LTE and etc. Wireless Sensor Network (WSN) finds unique and special application as...
Provided by NIT Kurukshetra
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White Papers
A Wimax Solution for Real-Time Video Surveillance in Public Transport
Mar 2011
Video surveillance is a highly useful tool to the public transport authorities, which is now widely used as a measure to ensure passenger safety and security. While video surveillance application...
Provided by Edith Cowan University
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White Papers
Variable Quantum Deficit Round Robin Scheduling for Improved Fairness in Multihop Networks
Jan 2011
To increase the coverage area, Multichip WiMAX networks are particularly useful without the need to deploy expensive base stations. One of the most common variants in Multihop WiMAX is the...
Provided by Andhra University
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White Papers
A Scheduler for Unsolicited Grant Service (UGS) in IEEE 802.16e Mobile WiMAX Networks
Jan 2011
One of the key features of the IEEE 802.16e Mobile WiMAX system is its strong Quality of Service (QoS). IEEE 802.16e Mobile WiMAX provides multiple QoS classes for voice, video, and data...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Deficit Round Robin With Fragmentation Scheduling to Achieve Generalized Weighted Fairness for Resource Allocation in IEEE 802.16e Mobile WiMAX Networks
Oct 2010
Deficit Round Robin (DRR) is a fair packet-based scheduling discipline commonly used in wired networks where link capacities do not change with time. However, in wireless networks, especially...
Provided by Khon Kaen University
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White Papers
Modeling and Resource Allocation for HD Videos Over WiMAX Broadband Wireless Networks
May 2010
Mobile video is considered a major upcoming application and revenue generator for broadband wireless networks like WiMAX and LTE. Therefore, it is important to design a proper resource allocation...
Provided by Washington University in St. Louis
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White Papers
Modeling and Resource Allocation for Mobile Video Over WiMAX Broadband Wireless Networks
Apr 2010
The key to proper resource allocation for mobile video on wireless networks is to have a good model for the resource demands. In this paper, the authors present the results of analysis of a number...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Policy Oriented Multi-Interface Selection Framework for Mobile IPv6 Using the ID/Locator Split Concepts in the Next Generation Wireless Networks
Feb 2010
Next Generation Wireless Networks (NGWNs) will be the convergence of fixed and mobile networking technologies, e.g., Ethernet, Wireless LAN, 2G/3G/4G, etc. This united ubiquitous network will...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
eOCSA: An Algorithm for Burst Mapping With Strict QoS Requirements in IEEE 802.16e Mobile WiMAX Networks
Feb 2010
Mobile WiMAX systems based on the IEEE 802.16e standard require all downlink allocations to be mapped to a rectangular region in the two dimensional subcarrier-time map. Many published resource...
Provided by Washington University in St. Louis
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White Papers
Modeling and Generation of AVC and SVC-TS Mobile Video Traces for Broadband Access Networks
Feb 2010
The authors propose a simple model that is capable of capturing the statistical characteristics of mobile video traces encoded using MPEG4-Part2, AVC and SVC-TS encoding standards. The model can...
Provided by Association for Computing Machinery
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White Papers
Generalized Weighted Fairness and Its Application for Resource Allocation in IEEE 802.16e Mobile WiMAX1,2
Jan 2010
In wireless networks, the definition of fair resource allocation is ambiguous because the wireless channel condition is not constant over time and location. Two main ways to define fair resource...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
SWIM: A Scheduler for Unsolicited Grant Service (UGS) in IEEE 802.16e Mobile WiMAX Networks
Jan 2010
One of the key features of the IEEE 802.16e Mobile WiMAX is its strong Quality of Service (QoS). The IEEE 802.16e Mobile WiMAX provides the multiple QoS classes for voice, video, and data...
Provided by Washington University in St. Louis
