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wimax (802.16)
(1061 results)-
White Papers
Efficient Data Access Algorithms for ITS-Based Networks With Multi-Hop Wireless Links
Jul 2007
In this paper, the authors investigate efficient data access algorithms in Intelligent Transportation System (ITS)-based networks with multi-hop wireless links. They introduce a Proxy Cache (PC)...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Joint Iterative Parameter Estimation From the Cramer-Rao Lower Bound for an OFDM System
Sep 2008
Orthogonal Frequency Division Multiplexing (OFDM) has become a popular wireless data transmission technique and has been adopted into several standards like IEEE 802.11 (Wi-Fi) and IEEE 802.16...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Robust QoS Control for Single Carrier PMP Mode IEEE 802.16 Systems
Apr 2008
The IEEE 802.16 WirelessMAN standard provides a comprehensive Quality-of-Service (QoS) control structure to enable flow isolation and service differentiation over the common wireless network...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Secure and Efficient Multicast Rekeying Approach for Non-Transparent Relay-Based IEEE 802.16 Networks
Feb 2011
Many emerging applications that depend on secure group communications demand the privacy of participants and access control at the multicast server. The multicast and broadcast services in IEEE...
Provided by Universiti Teknologi Malaysia
-
Whitepapers
An Improved Scheme for Initial Ranging in OFDMA-Based Networks
Apr 2008
An efficient scheme for initial ranging has recently been proposed by X. Fu et al. in the context of Orthogonal Frequency-Division Multiple-Access (OFDMA) networks based on the IEEE 802.16e-2005...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
A Feasibility Study on Vehicle-to-Infrastructure Communication: WiFi Vs. WiMAX
Feb 2011
Vehicular network is becoming increasingly popular in recent years, in which vehicles constitute a wireless mobile network. Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I) are two...
Provided by National Cheng Kung University
-
White Papers
Empirical Evaluation of Mobile WiMAX With MIMO
Sep 2009
Mobile WiMAX is claimed to have the greatest potential of all wireless access technologies already in the markets with respect to network capacity, range, mobility, and quality of service support....
Provided by VTT
-
White Papers
Multi-Client Video Streaming Over WirelessMAN-OFDMA
Oct 2009
Wireless Interoperability for Microwave Access (WiMAX) is a prime contender in the Broadband Wireless Access (BWA) market due to its next generation network architecture, low patent portfolio load...
Provided by Association for Computing Machinery
-
White Papers
Enhanced Media Independent Handover Framework
Jan 2009
The Internet access paradigm is changing and a wide range of overlapping radio access technologies, such as WiMAX, Wi-Fi, 3GPP UMTS/LTE and DVB-H, will soon be available to most users and their...
Provided by VTT
-
White Papers
IPTV Over WiMAX With MIPv6 Handovers
Jan 2009
As the IPv4 unallocated address pool nears exhaustion, an increasing number of IPv6 deployments is anticipated. In the domain of mobility management research and development, Mobile IPv6 has long...
Provided by VTT
-
White Papers
Practical Design of IEEE 802.16e Networks: A Mathematical Model and Algorithms
Aug 2008
There are several factors that influence the design of optimal IEEE 802.16e networks. In the first stage of the network development, the most important issue is to find an appropriate solution for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Practical Performance Measurements and Analysis of IEEE 802.16 Networks
Jul 2011
IEEE 802.16 standard defines the wireless broadband technology called WiMAX. When compared to other wireless technologies, it introduces many interesting advantages at PHYsical (PHY) and media...
Provided by IARIA
-
White Papers
Seamless Handover in Heterogeneous Networks Using SIP a Proactive Handover Scheme With the Handover Extension
Jun 2010
Mobile users move across different types of network, such as WiFi, WiMAX and UMTS. The mobile equipment is already capable of connecting to different network types simultaneously, but in such a...
Provided by UniK - University Graduate Center
-
White Papers
Priority Based Uplink Scheduler for IEEE 802.16 Networks
Jun 2011
IEEE 802.16, the standard for fixed, portable and mobile Broadband Wireless Access (BWA) systems, is promising to support different classes of traffic with Quality of Service (QoS). The Medium...
Provided by Engg Journals Publications
-
White Papers
A Survey on Telecommunication Technology Standards
May 2011
Mobile ad-hoc network is a self configurable routing protocol. Nodes in MANET can shift freely from one place to another place and each node in MANET can take action as a transmitter, receiver and...
Provided by Motilal Nehru National Institute Of Technology
-
White Papers
A Fuzzy-Based Mobility Prediction in the IEEE 802.16e
Apr 2009
Intersystem mobility having no awkward transitions or indications of disparity, roaming across wireless access networks is one of the main features of mobile WiMAX. In this paper, the authors...
Provided by International Islamic University Malaysia
-
White Papers
Circular Patch Antenna With Enhanced Bandwidth Using Narrow Rectangular Slit for Wi-Max Application
Dec 2010
Since the inception of microstrip patch antenna constant efforts are being made to modify the overall performance of this class of antenna field. Although the microstrip antenna has some of...
Provided by Kurukshetra University
-
White Papers
A Printed Monopole Antenna With Symmetric Meandered Arms for WLAN, WiMAX Applications
Mar 2011
In this paper, a planar dual band symmetric meandered arms monopole antenna for Wireless Local Area Network (WLAN) & WiMAX applications is presented. The antenna consists of two symmetric...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
WiMAX Capacity Estimations and Simulation Results
Feb 2008
In this paper, the authors propose some considerations for the WiMAX capacity. The developments realized for a WiMAX NS-2 module are presented. This module allows the evaluation of the WiMAX. They...
Provided by TELECOM Bretagne
-
White Papers
A Priority and SDB Based Admission Control in IEEE 802.16 Systems
Sep 2010
In IEEE 802.16 systems, the algorithm of Admission Control (AC) is very important in guaranteeing the Quality of Service (QoS) and managing service flows. However, the IEEE 802.16 standards do not...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Cross-Layer Partner-Assisted Handoff Scheme for Hierarchical Mobile IPv6 in IEEE 802.16e Systems
Sep 2009
The design of the seamless handoff is the key issue in the next-generation mobile networks. A new broadband wireless access, called WiMAX has been specified in the IEEE 802.16e standard document,...
Provided by John Wiley & Sons
-
White Papers
Accurate Delay Analysis of Slotted IEEE 802.15.4 for Control Applications
Mar 2010
To understand the fundamental performance limits and the quality of service offered by the IEEE 802.15.4 standard for control applications, the packet delay distribution plays a major role. Due to...
Provided by KTH - Royal Institute of Technology
-
White Papers
Quality of Service and Communication Technologies for Wireless Multimedia Sensor Networks
Nov 2009
In The recent years, the wireless technology knows an exponential growth, which has an impact on developing and improving the field of telecommunications beyond the means of transmission wire to...
Provided by University of Avignon
-
White Papers
Performance Evaluation of Real-Time Services in Mobile WIMAX
Nov 2009
In this paper the authors provide performance analysis for real-time services with limited bandwidth in single-cell Mobile WiMAX network. They analyze the most critical performance parameters for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
The Impact of Subcarrier Spacing on Performance of WiMAX DL-FUSC in the Nonergodic Case
Nov 2009
Recent research on performance of traffic channels for mobile services in OFDMA systems has shown that multiuser diversity cannot be efficiently exploited due to highly dynamic propagation...
Provided by Ss. Cyril and Methodius University in Skopje
-
White Papers
Transmission Performance Evaluation of Mobile WiMAX Pedestrian Environments
Nov 2009
The increasing demand for mobile Internet and more complex multimedia applications, has determined the continuous development of broadband wireless access technologies, over the past years. Among...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Design and Implementation of Low-Power Viterbi Decoder for Software-Defined WiMAX Receiver
Nov 2009
Many sophisticated signal processing tasks are performed in SDR that can be implemented on FPGA, including advanced compression algorithms, channel estimation, power control, forward error...
Provided by Nile University
-
White Papers
On the Mechanisms and Effects of Calibrating RSSI Measurements for 802.15.4 Radios
May 2010
Wireless sensor network protocols and applications, including those used for localization, topology control, link scheduling, and link quality estimation, make extensive use of Received Signal...
Provided by Johns Hopkins University
-
Whitepapers
Maximum Utility-Based Resource Allocation Algorithm in the IEEE 802.16 OFDMA System
Apr 2008
Although the Medium Access Control (MAC) protocol and the physical layer have been well-defined in the IEEE 802.16 specifications, resource allocation and management schemes, which are crucial...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Traffic Estimation and Power Saving Mechanism Optimization of IEEE 802.16e Networks
Apr 2008
In order to save power to prolong battery life of Subscriber Stations (SSs) in IEEE 802.16e networks, the standard defines a sleep mode for SS. When there is no traffic for an SS to transmit or to...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
High Mobility Data Symbol Based Channel Estimation for Downlink OFDMA IEEE 802.16e Standard
Sep 2009
High mobility communication systems need suitable channel estimation to cope high frequency selectivity and time variation channel. In recent study on Downlink OFDMA Mobile WiMAX, channel...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A RF CMOS Low Noise Amplifier for WiMAX Applications
Sep 2009
In this paper, a Radio Frequency (RF) CMOS Low Noise Amplifier (LNA) for WiMAX applications is presented. In this amplifier, it is used a high-Q active inductor with band selector and a...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Automatic and Adaptive Slot Allocation Method for Initial Ranging Contention Process
Sep 2009
In this paper, the authors present a method to optimally manage the access slots for the initial ranging contention process in IEEE802.16e air interface. In conventional method, the number of the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Threshold Based Cyclic Polling (TBCP): An Uplink Scheduling Algorithm for Mobile WiMAX Systems
Jul 2011
In this paper, the authors propose an UpLink (UL) scheduling algorithm for Mobile WiMAX (IEEE 802.16e) system that satisfies the throughput and delay for the real and non real time application...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
Low Noise, High Gain LNA at 5.8GHz With Cascode and Cascaded Techniques Using T-Matching Network for Wireless Applications
Sep 2011
This project presents a design of low noise, high gain LNA a 5.8 GHz with cascode and cascaded techniques using T-matching network is applicable for IEEE 802.16 standard. The amplifier use FHX76LP...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
A Multi-Factor Scheduling Algorithm for WIMAX Systems
May 2012
This paper proposes a new scheduling algorithm for IEEE 802.16-2005 Broadband Wireless Metropolitan Area Networks in TDD mode. Unlike most scheduling algorithm which use one QoS parameter like...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
Vertical Handover Criteria and Algorithm in IEEE 802.11 and 802.16 Hybrid Networks
Apr 2008
Next generation wireless communications will likely rely on integrated networks consisting of multiple wireless technologies. Hybrid networks based, for instance, on systems such as WiMAX and WiFi...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Game-Theoretic Model for Radio Resource Management in a Cooperative WIMAX/HSDPA Network
Apr 2008
In this paper, the authors focus on the joint Radio Resource Management (RRM) for HSDPA/WiMAX cooperation. They use a generic Markovian model to model the evolution of data calls in a multi-cell...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cooperative Multicast Scheduling Scheme for IPTV Service Over IEEE 802.16 Networks
Apr 2008
Exploiting the broadcast nature of wireless communications, multicast transmission is an efficient way to improve the network throughput by transmitting the same contents to multiple receivers...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
ARQ Aware Scheduling for the IEEE 802.16 Base Station
Apr 2008
The IEEE 802.16 technology defines the ARQ mechanism that enables a connection to resend data at the MAC level if an error is detected. In this paper, the authors analyze the ARQ aware scheduling...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
BER Analysis of Proposed Wimax System in Different Channel Environments
Sep 2012
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,...
Provided by International Journal of Emerging Technology and Advanced Engineering (IJETAE)
-
Whitepapers
EM-Based Receiver Design for Uplink MIMO-OFDMA Systems
Apr 2008
In this paper, the authors propose an iterative receiver for uplink MIMO-OFDMA systems based on the Expectation Maximization (EM) algorithm. Iterating between the E-step and the M-step, the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Minimum BER Transmit Beamforming for MIMO - OFDM Systems With Finite Rate Feedback
Apr 2008
In recent years, it has become apparent that the performance of multi-antenna wireless systems can be significantly improved by exploiting Channel State Information (CSI) at the transmitter. This...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
The Analysis of R/S Estimation Algorithm with Applications to WiMAX Network Traffic
Jul 2012
One of the most popular scale exponent estimation algorithms is the Rescaled Range (R/S) analysis. The algorithm estimates the ratio of a range and standard deviation statistics in a window with...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
Block Based Channel Estimation Algorithms for OFDM-IEEE 802.16e (Mobile WiMAX) System
Jan 2011
This paper is to show the improving channel estimation accuracy in OFDM system because channel state information is required for signal detection at receiver and its accuracy affects the overall...
Provided by International Journal of Computer Applications
-
Whitepapers
Cross Layer Scheduling Algorithm for IEEE 802.16 Broadband Wireless Networks
Apr 2008
In order to support different types of user applications, the IEEE 802.16 standard defines different service classes together with their associated Quality of Service (QoS) parameters. However,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Relay Station Placement in IEEE 802.16j Dual-Relay MMR Networks
Apr 2008
Cooperative relaying is one of the most effective techniques in coverage extension and capacity enhancement by virtue of spatial diversity. To fully explore the benefits of adopting Relay Stations...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Receive Correlation-Based User Scheduling for Collaborative Spatial Multiplexing Systems
Apr 2008
In this paper, the authors propose a user scheduling scheme to maximize the ergodic capacity of multi-user MIMO uplink systems. The proposed scheduling scheme only considers the use of the receive...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Performance Analysis of Weighted Proportional Fairness Scheduling in IEEE 802.16 Networks
Apr 2008
In IEEE 802.16 Networks, a Subscriber Station (SS) could be a single mobile user, a residence house, or an office building providing Internet service for multiple customers. Considering the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Antenna Selection for Next Generation IEEE 802.16 Mobile Stations
Apr 2008
The IEEE 802.16/WiMAX standard has fully embraced multi-antenna technology and can, thus, deliver robust and high transmission rates and higher system capacity. Nevertheless, due to its inherent...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
QoS-Guaranteed Scheduling and Resource Allocation Algorithm for IEEE 802.16 OFDMA System
Apr 2008
For IEEE 802.16 Broadband Wireless Access (BWA) system, the support of QoS is of prime importance for providing various traffic profiles in wireless links. Scheduling and resource allocation play...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Dynamic Resource Allocation in High Speed Mobile OFDMA System
Apr 2008
A novel dynamic resource allocation algorithm is proposed for matching the OFDMA system in high speed mobile environment, which suffers from high inter-carrier interference and large dynamic range...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Performance Analysis of UGS, RtPS, NrtPS Admission Control in WiMAX Networks
Apr 2008
IEEE 802.16 standard provides a broadband wireless access solution. WiMAX (Worldwide interpretability for microwave access) is the business definition of the 802.16-2004 amendment. In WiMAX,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Multimedia Traffic Scheduler for IEEE 802.16 Point-to-Multipoint Networks
Apr 2008
In this paper, the authors describe and evaluate an advanced traffic scheduler for IEEE 802.16 Point-to-Multipoint networks, referred to as "Colored Frame Registry Tree Scheduler" (CFRTS). The...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
ARQ Aware Scheduling for the IEEE 802.16 Base Station
Apr 2008
The IEEE 802.16 technology defines the ARQ mechanism that enables a connection to resend data at the MAC level if an error is detected. In this paper, the authors analyze the ARQ aware scheduling...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Cooperative Multicast Scheduling Scheme for IPTV Service Over IEEE 802.16 Networks
Apr 2008
Exploiting the broadcast nature of wireless communications, multicast transmission is an efficient way to improve the network throughput by transmitting the same contents to multiple receivers...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Game-Theoretic Model for Radio Resource Management in a Cooperative WIMAX/HSDPA Network
Apr 2008
In this paper, the authors focus on the joint Radio Resource Management (RRM) for HSDPA/WiMAX cooperation. They use a generic Markovian model to model the evolution of data calls in a multi-cell...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Vertical Handover Criteria and Algorithm in IEEE 802.11 and 802.16 Hybrid Networks
Apr 2008
Next generation wireless communications will likely rely on integrated networks consisting of multiple wireless technologies. Hybrid networks based, for instance, on systems such as WiMAX and WiFi...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Multi-Factor Scheduling Algorithm for WIMAX Systems
May 2012
This paper proposes a new scheduling algorithm for IEEE 802.16-2005 Broadband Wireless Metropolitan Area Networks in TDD mode. Unlike most scheduling algorithm which use one QoS parameter like...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
Low Noise, High Gain LNA at 5.8GHz With Cascode and Cascaded Techniques Using T-Matching Network for Wireless Applications
Sep 2011
This project presents a design of low noise, high gain LNA a 5.8 GHz with cascode and cascaded techniques using T-matching network is applicable for IEEE 802.16 standard. The amplifier use FHX76LP...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
Threshold Based Cyclic Polling (TBCP): An Uplink Scheduling Algorithm for Mobile WiMAX Systems
Jul 2011
In this paper, the authors propose an UpLink (UL) scheduling algorithm for Mobile WiMAX (IEEE 802.16e) system that satisfies the throughput and delay for the real and non real time application...
Provided by International Journal of Information and Electronics Engineering
-
Whitepapers
Automatic and Adaptive Slot Allocation Method for Initial Ranging Contention Process
Sep 2009
In this paper, the authors present a method to optimally manage the access slots for the initial ranging contention process in IEEE802.16e air interface. In conventional method, the number of the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A RF CMOS Low Noise Amplifier for WiMAX Applications
Sep 2009
In this paper, a Radio Frequency (RF) CMOS Low Noise Amplifier (LNA) for WiMAX applications is presented. In this amplifier, it is used a high-Q active inductor with band selector and a...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
High Mobility Data Symbol Based Channel Estimation for Downlink OFDMA IEEE 802.16e Standard
Sep 2009
High mobility communication systems need suitable channel estimation to cope high frequency selectivity and time variation channel. In recent study on Downlink OFDMA Mobile WiMAX, channel...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Traffic Estimation and Power Saving Mechanism Optimization of IEEE 802.16e Networks
Apr 2008
In order to save power to prolong battery life of Subscriber Stations (SSs) in IEEE 802.16e networks, the standard defines a sleep mode for SS. When there is no traffic for an SS to transmit or to...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Maximum Utility-Based Resource Allocation Algorithm in the IEEE 802.16 OFDMA System
Apr 2008
Although the Medium Access Control (MAC) protocol and the physical layer have been well-defined in the IEEE 802.16 specifications, resource allocation and management schemes, which are crucial...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Improved Scheme for Initial Ranging in OFDMA-Based Networks
Apr 2008
An efficient scheme for initial ranging has recently been proposed by X. Fu et al. in the context of Orthogonal Frequency-Division Multiple-Access (OFDMA) networks based on the IEEE 802.16e-2005...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Robust QoS Control for Single Carrier PMP Mode IEEE 802.16 Systems
Apr 2008
The IEEE 802.16 WirelessMAN standard provides a comprehensive Quality-of-Service (QoS) control structure to enable flow isolation and service differentiation over the common wireless network...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Joint Iterative Parameter Estimation From the Cramer-Rao Lower Bound for an OFDM System
Sep 2008
Orthogonal Frequency Division Multiplexing (OFDM) has become a popular wireless data transmission technique and has been adopted into several standards like IEEE 802.11 (Wi-Fi) and IEEE 802.16...
Provided by Institute of Electrical & Electronic Engineers
-
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
-
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
-
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
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
Markov Chain Based Models Comparison and Hybrid Model Design in IEEE 802.16E Scenario
Sep 2008
The IEEE 802.16e is a promising technology that allows to provide wireless broadband services to a great number of mobile users. Considering this interesting scenario enriched by further presence...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Handover Time Negotiation Mechanism for Seamless Service in IEEE 802.16E
Oct 2008
IEEE 802.16e specification adopted that a target Base Station (BS) transmits Fast Ranging IE() to the upcoming handover MS to reduce the handover interruption time. However, the handover...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Optimized Handover Scheme for WIMAX
Aug 2011
WiMAX is a Broadband Wireless Access (BWA) scheme based on IEEE 802.16. This technology aims at providing last mile access to internet and data services. IEEE 802.16d standard provides fixed...
Provided by International forum of researchers Students and Academician
-
Whitepapers
Ensuring QOS in WiMAX Networks
May 2012
Quality of Service (QoS) is a key metric for bandwidth demanding applications in WiMAX (IEEE 802.16 standard) networks. It is achieved through bandwidth reservation for each application. Existing...
Provided by International forum of researchers Students and Academician
-
Whitepapers
Capacity and Cell Range Assessment for Multitraffic User in Mobile WiMAX
Feb 2012
Radio technology advanced rapidly to enable transmission over larger distances with better quality, less power, smaller and cheaper devices. A cursory look into the history of wireless...
Provided by International forum of researchers Students and Academician
-
Whitepapers
A Real Time Adaptive Scheduling Scheme for Multi-Service Flows in WiMAX Networks
Oct 2008
In this paper, the authors propose an efficient multi-service scheduling scheme called Real-Time Adaptive Scheduler (RTAS) for WiMAX service classes. It is based on Deficit Round Robin with an...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Pricing of Differentiated-QoS Services WiMAX Networks
Oct 2008
WiMAX/IEEE 802.16 system is a very open Broadband Wireless Access (BWA) technology with different possible services. Pricing of WiMAX is an important topic with different optimization...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Secure and Efficient Multicast Rekeying Approach for Non-Transparent Relay-Based IEEE 802.16 Networks
Feb 2011
Many emerging applications that depend on secure group communications demand the privacy of participants and access control at the multicast server. The multicast and broadcast services in IEEE...
Provided by Universiti Teknologi Malaysia
-
Whitepapers
An Improved Scheme for Initial Ranging in OFDMA-Based Networks
Apr 2008
An efficient scheme for initial ranging has recently been proposed by X. Fu et al. in the context of Orthogonal Frequency-Division Multiple-Access (OFDMA) networks based on the IEEE 802.16e-2005...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
A Feasibility Study on Vehicle-to-Infrastructure Communication: WiFi Vs. WiMAX
Feb 2011
Vehicular network is becoming increasingly popular in recent years, in which vehicles constitute a wireless mobile network. Vehicle-To-Vehicle (V2V) and Vehicle-To-Infrastructure (V2I) are two...
Provided by National Cheng Kung University
-
White Papers
Empirical Evaluation of Mobile WiMAX With MIMO
Sep 2009
Mobile WiMAX is claimed to have the greatest potential of all wireless access technologies already in the markets with respect to network capacity, range, mobility, and quality of service support....
Provided by VTT
-
White Papers
Multi-Client Video Streaming Over WirelessMAN-OFDMA
Oct 2009
Wireless Interoperability for Microwave Access (WiMAX) is a prime contender in the Broadband Wireless Access (BWA) market due to its next generation network architecture, low patent portfolio load...
Provided by Association for Computing Machinery
-
White Papers
Enhanced Media Independent Handover Framework
Jan 2009
The Internet access paradigm is changing and a wide range of overlapping radio access technologies, such as WiMAX, Wi-Fi, 3GPP UMTS/LTE and DVB-H, will soon be available to most users and their...
Provided by VTT
-
White Papers
IPTV Over WiMAX With MIPv6 Handovers
Jan 2009
As the IPv4 unallocated address pool nears exhaustion, an increasing number of IPv6 deployments is anticipated. In the domain of mobility management research and development, Mobile IPv6 has long...
Provided by VTT
-
White Papers
Practical Design of IEEE 802.16e Networks: A Mathematical Model and Algorithms
Aug 2008
There are several factors that influence the design of optimal IEEE 802.16e networks. In the first stage of the network development, the most important issue is to find an appropriate solution for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Practical Performance Measurements and Analysis of IEEE 802.16 Networks
Jul 2011
IEEE 802.16 standard defines the wireless broadband technology called WiMAX. When compared to other wireless technologies, it introduces many interesting advantages at PHYsical (PHY) and media...
Provided by IARIA
-
White Papers
Seamless Handover in Heterogeneous Networks Using SIP a Proactive Handover Scheme With the Handover Extension
Jun 2010
Mobile users move across different types of network, such as WiFi, WiMAX and UMTS. The mobile equipment is already capable of connecting to different network types simultaneously, but in such a...
Provided by UniK - University Graduate Center
-
White Papers
Priority Based Uplink Scheduler for IEEE 802.16 Networks
Jun 2011
IEEE 802.16, the standard for fixed, portable and mobile Broadband Wireless Access (BWA) systems, is promising to support different classes of traffic with Quality of Service (QoS). The Medium...
Provided by Engg Journals Publications
-
White Papers
A Survey on Telecommunication Technology Standards
May 2011
Mobile ad-hoc network is a self configurable routing protocol. Nodes in MANET can shift freely from one place to another place and each node in MANET can take action as a transmitter, receiver and...
Provided by Motilal Nehru National Institute Of Technology
-
White Papers
A Fuzzy-Based Mobility Prediction in the IEEE 802.16e
Apr 2009
Intersystem mobility having no awkward transitions or indications of disparity, roaming across wireless access networks is one of the main features of mobile WiMAX. In this paper, the authors...
Provided by International Islamic University Malaysia
-
White Papers
Circular Patch Antenna With Enhanced Bandwidth Using Narrow Rectangular Slit for Wi-Max Application
Dec 2010
Since the inception of microstrip patch antenna constant efforts are being made to modify the overall performance of this class of antenna field. Although the microstrip antenna has some of...
Provided by Kurukshetra University
-
White Papers
A Printed Monopole Antenna With Symmetric Meandered Arms for WLAN, WiMAX Applications
Mar 2011
In this paper, a planar dual band symmetric meandered arms monopole antenna for Wireless Local Area Network (WLAN) & WiMAX applications is presented. The antenna consists of two symmetric...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
WiMAX Capacity Estimations and Simulation Results
Feb 2008
In this paper, the authors propose some considerations for the WiMAX capacity. The developments realized for a WiMAX NS-2 module are presented. This module allows the evaluation of the WiMAX. They...
Provided by TELECOM Bretagne
-
White Papers
A Priority and SDB Based Admission Control in IEEE 802.16 Systems
Sep 2010
In IEEE 802.16 systems, the algorithm of Admission Control (AC) is very important in guaranteeing the Quality of Service (QoS) and managing service flows. However, the IEEE 802.16 standards do not...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Cross-Layer Partner-Assisted Handoff Scheme for Hierarchical Mobile IPv6 in IEEE 802.16e Systems
Sep 2009
The design of the seamless handoff is the key issue in the next-generation mobile networks. A new broadband wireless access, called WiMAX has been specified in the IEEE 802.16e standard document,...
Provided by John Wiley & Sons
-
White Papers
Accurate Delay Analysis of Slotted IEEE 802.15.4 for Control Applications
Mar 2010
To understand the fundamental performance limits and the quality of service offered by the IEEE 802.15.4 standard for control applications, the packet delay distribution plays a major role. Due to...
Provided by KTH - Royal Institute of Technology
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White Papers
An Energy Analysis of IEEE 802.15.6 Scheduled Access Modes
Jul 2011
Body Area Networks (BANs) are an emerging area of wireless personal communications. The IEEE 802.15.6 working group aims to develop a communications standard optimised for low power devices...
Provided by Letterkenny Institute of Technology
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White Papers
Quality of Service and Communication Technologies for Wireless Multimedia Sensor Networks
Nov 2009
In The recent years, the wireless technology knows an exponential growth, which has an impact on developing and improving the field of telecommunications beyond the means of transmission wire to...
Provided by University of Avignon
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White Papers
Performance Evaluation of Real-Time Services in Mobile WIMAX
Nov 2009
In this paper the authors provide performance analysis for real-time services with limited bandwidth in single-cell Mobile WiMAX network. They analyze the most critical performance parameters for...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
The Impact of Subcarrier Spacing on Performance of WiMAX DL-FUSC in the Nonergodic Case
Nov 2009
Recent research on performance of traffic channels for mobile services in OFDMA systems has shown that multiuser diversity cannot be efficiently exploited due to highly dynamic propagation...
Provided by Ss. Cyril and Methodius University in Skopje
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White Papers
Transmission Performance Evaluation of Mobile WiMAX Pedestrian Environments
Nov 2009
The increasing demand for mobile Internet and more complex multimedia applications, has determined the continuous development of broadband wireless access technologies, over the past years. Among...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Design and Implementation of Low-Power Viterbi Decoder for Software-Defined WiMAX Receiver
Nov 2009
Many sophisticated signal processing tasks are performed in SDR that can be implemented on FPGA, including advanced compression algorithms, channel estimation, power control, forward error...
Provided by Nile University
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White Papers
On the Mechanisms and Effects of Calibrating RSSI Measurements for 802.15.4 Radios
May 2010
Wireless sensor network protocols and applications, including those used for localization, topology control, link scheduling, and link quality estimation, make extensive use of Received Signal...
Provided by Johns Hopkins University
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Whitepapers
Maximum Utility-Based Resource Allocation Algorithm in the IEEE 802.16 OFDMA System
Apr 2008
Although the Medium Access Control (MAC) protocol and the physical layer have been well-defined in the IEEE 802.16 specifications, resource allocation and management schemes, which are crucial...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Traffic Estimation and Power Saving Mechanism Optimization of IEEE 802.16e Networks
Apr 2008
In order to save power to prolong battery life of Subscriber Stations (SSs) in IEEE 802.16e networks, the standard defines a sleep mode for SS. When there is no traffic for an SS to transmit or to...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
High Mobility Data Symbol Based Channel Estimation for Downlink OFDMA IEEE 802.16e Standard
Sep 2009
High mobility communication systems need suitable channel estimation to cope high frequency selectivity and time variation channel. In recent study on Downlink OFDMA Mobile WiMAX, channel...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A RF CMOS Low Noise Amplifier for WiMAX Applications
Sep 2009
In this paper, a Radio Frequency (RF) CMOS Low Noise Amplifier (LNA) for WiMAX applications is presented. In this amplifier, it is used a high-Q active inductor with band selector and a...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Automatic and Adaptive Slot Allocation Method for Initial Ranging Contention Process
Sep 2009
In this paper, the authors present a method to optimally manage the access slots for the initial ranging contention process in IEEE802.16e air interface. In conventional method, the number of the...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Threshold Based Cyclic Polling (TBCP): An Uplink Scheduling Algorithm for Mobile WiMAX Systems
Jul 2011
In this paper, the authors propose an UpLink (UL) scheduling algorithm for Mobile WiMAX (IEEE 802.16e) system that satisfies the throughput and delay for the real and non real time application...
Provided by International Journal of Information and Electronics Engineering
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Whitepapers
Low Noise, High Gain LNA at 5.8GHz With Cascode and Cascaded Techniques Using T-Matching Network for Wireless Applications
Sep 2011
This project presents a design of low noise, high gain LNA a 5.8 GHz with cascode and cascaded techniques using T-matching network is applicable for IEEE 802.16 standard. The amplifier use FHX76LP...
Provided by International Journal of Information and Electronics Engineering
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Whitepapers
A Multi-Factor Scheduling Algorithm for WIMAX Systems
May 2012
This paper proposes a new scheduling algorithm for IEEE 802.16-2005 Broadband Wireless Metropolitan Area Networks in TDD mode. Unlike most scheduling algorithm which use one QoS parameter like...
Provided by International Journal of Information and Electronics Engineering
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Whitepapers
Vertical Handover Criteria and Algorithm in IEEE 802.11 and 802.16 Hybrid Networks
Apr 2008
Next generation wireless communications will likely rely on integrated networks consisting of multiple wireless technologies. Hybrid networks based, for instance, on systems such as WiMAX and WiFi...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Game-Theoretic Model for Radio Resource Management in a Cooperative WIMAX/HSDPA Network
Apr 2008
In this paper, the authors focus on the joint Radio Resource Management (RRM) for HSDPA/WiMAX cooperation. They use a generic Markovian model to model the evolution of data calls in a multi-cell...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Cooperative Multicast Scheduling Scheme for IPTV Service Over IEEE 802.16 Networks
Apr 2008
Exploiting the broadcast nature of wireless communications, multicast transmission is an efficient way to improve the network throughput by transmitting the same contents to multiple receivers...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
ARQ Aware Scheduling for the IEEE 802.16 Base Station
Apr 2008
The IEEE 802.16 technology defines the ARQ mechanism that enables a connection to resend data at the MAC level if an error is detected. In this paper, the authors analyze the ARQ aware scheduling...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
A Multimedia Traffic Scheduler for IEEE 802.16 Point-to-Multipoint Networks
Apr 2008
In this paper, the authors describe and evaluate an advanced traffic scheduler for IEEE 802.16 Point-to-Multipoint networks, referred to as "Colored Frame Registry Tree Scheduler" (CFRTS). The...
Provided by Institute of Electrical & Electronic Engineers
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Whitepapers
Performance Analysis of UGS, RtPS, NrtPS Admission Control in WiMAX Networks
Apr 2008
IEEE 802.16 standard provides a broadband wireless access solution. WiMAX (Worldwide interpretability for microwave access) is the business definition of the 802.16-2004 amendment. In WiMAX,...
Provided by Institute of Electrical & Electronic Engineers
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