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Providing Integrated QoS Control for IEEE 802.16 Broadband Wireless Access Systems
White Papers This paper proposes a new integrated QoS architecture for IEEE 802.16 Broadband Wireless MAN in TDD mode. The current strategy of providing IntServ via IEEE802.16-2004 WirelessMAN is analyzed. A mapping rule for providing DiffServ between IP layer...
[November 23, 2005, 0:00]
Modelling Internet Workloads for IEEE 802.16
White Papers The IEEE 802.16-2004 standard contains the Wireless MAN (WMAN) air interface specification. WMAN has become a major part of the emerging broadband wireless access technology particularly since it accounts for differentiated Traffic Classes (TCs).
[April 22, 2009, 1:24]
Scalable OFDMA Physical Layer in IEEE 802.16 WirelessMAN
White Papers The concept of scalability was introduced to the IEEE 802.16 WirelessMAN Orthogonal Frequency Division Multiplexing Access (OFDMA) mode by the 802.16 Task Group e (TGe). A scalable physical layer enables standard-based solutions to deliver optimum...
[December 1, 2004, 2:00]
Cross-Layer QoS Framework in the IEEE 802.16 Network
White Papers To support multimedia service with the Broadband Wireless Access (BWA), the IP layer QoS is one of the keys to success. The IEEE 802.16 technology provides the wide area, high speed and non-light-of-sight wireless network.
[April 23, 2009, 1:24]
WiMAX/802.16 Security in Mesh Mode
White Papers WiMAX/802.16 is a standard of Wireless Metropolitan Area Networks (WMAN). This standard, which was originally designed for solving the last mile problem, has become popular in fixed and mobile wireless networks.
[April 22, 2009, 1:24]
IEEE 802.16 Medium Access Control and Service Provisioning
White Papers This paper describes the IEEE 802.16 Orthogonal Frequency Division Multiplexing (OFDM) and the 802.16 Orthogonal Frequency Division Multiple Access (OFDMA), Medium Access Control (MAC) protocols, both of which are key elements of the Worldwide...
[September 11, 2009, 3:32]
Mobility Improvement in IEEE 802.16
White Papers WiMAX, IEEE standard 802.16 has attracted attention of users and industry, for its promise of delivering broadband wireless connection. WiMAX was initially developed as a fixed wireless broadband solution, to be used as a last mile connection...
[April 23, 2009, 1:24]
Bandwidth Allocation With Half-Duplex Stations in IEEE 802.16 Wireless Networks
White Papers IEEE 802.16 is a recent IEEE standard for broadband wireless access networks. In IEEE 802.16 networks, the Medium Access Control (MAC) protocol is centralized and explicitly supports Quality of Service (QoS).
[April 23, 2009, 1:24]
A Heuristic Strategy for IEEE 802.16 WiMAX Scheduler for Quality of Service
White Papers The advent of Broadband wireless promises quality communications over the wireless channel. The 802.16 standard is expected to arise as the main Broadband Wireless Access (BWA) Technology, providing high-speed data access to subscribers.
[April 23, 2009, 1:24]
How to Improve the Efficiency of IPv6 Handovers in IEEE 802.16 Networks
White Papers The first generation of fully conformant IEEE 802.16-based networks is being deployed throughout the world. Most of these networks do not support full mobility, due to radio access layer limitations. Newer solutions, based on IEEE 802.16-2005...
[April 22, 2009, 1:24]
An IEEE 802.16 WiMAX Module for the NS-3 Simulator
White Papers ns-3 is a recently released next generation simulator intended as a replacement of the popular ns-2. It enables a highly rich set of features and is expected to become the first choice of the scientific community soon.ns-3 is in its evolution phase...
[April 23, 2009, 1:24]
Voice Over Wireless LAN Via IEEE 802.16 Wireless MAN and IEEE 802.11 Wireless Distribution System
White Papers IEEE 802.16 Wireless MANs (WMAN) aims to extend the wireless broadband access up to kilometers to facilitate the long-range 'last-mile' Solution. For short-range extension, IEEE 802.11 Wireless Distribution System (WDS) can be set up easily by...
[November 18, 2005, 0:00]
Classification of the Uplink Scheduling Algorithms in IEEE 802.16
White Papers The demand for high speed broadband wireless systems is increasing rapidly. In this context, the IEEE 802.16 standard defines the wireless broadband access technology called WiMAX, which introduces several interesting advantages including variable...
[April 23, 2009, 1:24]
Analysis of Threats to WiMax/802.16 Security
White Papers This paper examines threats to the security of the WiMax/802.16 broadband wireless access technology. Threats associated with the physical layer and MAC layer are reviewed in detail. The likelihood, impact and risk are evaluated according to an...
[April 23, 2009, 1:24]
Signaling Cost Evaluation of Centralized Scheduling in IEEE 802.16 Mesh Networks
White Papers To achieve long distance network access, the wired technologies, such as Digital Subscriber Line (xDSL), cable, and T1, are applying higher cost and lower elasticity than wireless network. IEEE 802.16 network provides broadband wireless access to...
[April 23, 2009, 1:24]
On the Design of an FPGA-Based OFDM Modulator for IEEE 802.16-2004
White Papers Current and future communication schemes tend to use OFDM systems in order to provide high baud rates and less inter symbol interference. Some examples are 802.11, 802.16, MC-CDMA, Digital Video Broadcasting, Wireless USB and Wireless Firewire.
[January 8, 2008, 2:44]
On TCP-Aware Uplink Scheduling in IEEE 802.16 Networks
White Papers This paper propose two polling based scheduling schemes for applications based on TCP in a multipoint-to-point IEEE 802.16 network. The first scheme uses TCP congestion window (cwnd) size, whereas the second one uses cwnd size and TCP timeouts to...
[April 22, 2009, 1:24]
WiMax/802.16 Threat Analysis
White Papers This paper examines threats to the security of the WiMax/802.16 broadband wireless access technology. Threats associated with the physical layer and MAC layer are reviewed in detail. The likelihood, impact and risk are evaluated according to a...
[November 23, 2005, 0:00]
Routing in 802.16 Mesh Networks: A Survey Paper
White Papers The IEEE 802.16 WiMax standard provides a mechanism for creating multi-hop mesh network, which can be deployed as a high speed wide area wireless network. The network topology is a tree rooted at the base station and the problem is to determine the...
[April 22, 2009, 1:24]
An Integrated QoS Control Architecture for IEEE 802.16 Broadband Wireless Access Systems
White Papers This paper proposes a new integrated QoS architecture for IEEE 802.16 Broadband Wireless MAN in TDD mode. After analyzing the current strategies to provide IntServ for the Internet connection via IEEE802.16-2004 WirelessMAN, a mapping rule and a...
[November 23, 2005, 0:00]
