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- Implementation of IEEE 802.15.4 Protocol Stack for Linux
- The IEEE 802.15.4 is a new wireless standard introduced for low power, low cost wireless communication with moderate data rates. It is intended to be used in embedded applications for home/office automation, industrial control and sensor networks. In such applications there is generally a need for a master controller, which...
- Tags: IEEE, University Of North Carolina, IEEE 802.15.4, Linux, Operating Systems, Wi-Fi, Wireless, UNIX, Open Source, Software
- White papers 2007-02-06
- Measuring Effective Capacity of IEEE 802.15.4 Beaconless Mode
- IEEE 802.15.4 is an emerging wireless standard addressing the needs of Low-Rate Wireless Personal Area Networks with a focus on enabling various pervasive and ubiquitous applications that require interactions with the surrounding environments. In view of the application potential of IEEE 802.15.4, knowing the fundamental network properties soon becomes essential...
- Tags: Network, IEEE, University Of California, IEEE 802.15.4, Wi-Fi, Networking, Wireless
- White papers 2005-08-09
Additional Resources
- Performance Study of IEEE 802.15.4 Using Measurements and Simulations
- IEEE 802.15.4 was developed to meet the needs for simple, low-power and low-cost wireless communication. In the past couple of years it has become a popular technology for wireless sensor networks. It operates primarily in the 2.4GHz ISM band, which makes the technology easily applicable and worldwide available. However, IEEE...
- Tags: Performance, IEEE, Wi-Fi, Wireless
- White papers 2005-09-13
- IEEE 802.11b
- IEEE 802.11 specifies a 2.4 GHz operating frequency with data rates of 1 and 2 Mbps using either Direct Sequence Spread Spectrum DSSS or Frequency Hopping Spread Spectrum FHSS. This white paper starts with introduction to IEEE 802.11b and then describes CCK used in IEEE 802.11b, Walsh and Complementary Codes...
- Tags: IEEE 802.11, Wireless LANs, Wi-Fi, Wireless
- White papers 2003-10-23
- Ad-Hoc Extensions to the 802.15.3 MAC Protocol
- The paper describes the design and evaluation of Ad-Hoc extensions to the IEEE 802.15.3 Medium Access Control MAC layer for Wireless Personal Area Networks WPANs. The proposed protocol allows communication between ad-hoc devices without the intervention of any central entity and, at the same time, ensures bounded delays for isochronous...
- Tags: IEEE 802.11, MAC, New Jersey, Protocol, IEEE, Wireless LANs, Wi-Fi, Wireless
- White papers 2005-03-08
- Improved Quality of Service in IEEE 802.15.4 Mesh Networks
- In collaboration under a Department of Energy grant for the Industries of the Future, General Electric and Sensicast Systems have studied performance of 2.4 GHz IEEE 802.15.4 radio transceivers in factory environments, with particular attention to jamming from 802.11 and multipath fading. Temporal and frequency variations in link quality are...
- Tags: QoS, General Electric Co., Network, IEEE, Mesh Networking, Wireless LANs, Network Administration, Networking, Wireless
- White papers 2005-03-07
- Using IEEE 802.1x to Enhance Network Security
- The purpose of this document is to introduce IEEE 802.1x standard for enhancing network security, outline the implementation of 802.1x within Foundry's range of products and offer deployment guidelines. The concept of IEEE 802.1x is to provide a standardized security authentication method for IEEE 802 based network technologies, including Local...
- Tags: Foundry Networks Inc., Network, Network Security, IEEE 802.1X, Wi-Fi, Wireless, LANs, Networking, Security
- White papers 2002-10-28
- Connection Data Rate Optimization of IEEE 802.15.3 Scatternets With Multi-Rate Carriers
- The IEEE 802.15.3 MAC is designed for high data rate Wireless Personal Area Networks WPANs, in which all communications within a piconet work in a peer-to-peer manner. This paper analyzes the link rate distribution of a piconet, and shows that the expected piconet link rate for a UWB based 802.15.3...
- Tags: Optimization, P2P, University Of British Columbia, IEEE, Carrier, IEEE 802.15.3 MAC, Ultrawideband (UWB), Peer To Peer (P2P), Wireless, Internet
- White papers 2006-03-16
- Voice Over Wireless LAN Via IEEE 802.16 Wireless MAN and IEEE 802.11 Wireless Distribution System
- 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 connecting Access Points AP together to form multi-hop networks. This provides a quick, easy...
- Tags: IEEE 802.11, Voice, WLAN, IEEE 802.16, WiMAX, Wireless LANs, Wireless, Wi-Fi, LANs, Networking
- White papers 2005-05-01
- IEEE 802.11g: The New Mainstream Wireless LAN Standard
- Today’s popular IEEE 802.11b (802.11b) for wireless local area networks WLANs has changed the face of networking, providing tremendous flexibility for mobile workers and hassle-free Internet sharing for home users. The next milestone in the evolution of WLANs is the introduction of IEEE 802.11g (802.11g). This new IEEE standard will...
- Tags: IEEE 802.11g, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2003-07-02
- IEEE 802.1X in Secure Wireless Networking
- Applying the IEEE 802.1X protocol to wireless networking in conjunction with 802.11 dramatically simplifies the management of secure wireless LANs. The IEEE 802.1X protocol can also be used to manage policy-based bandwidth provisioning and VLAN support in conjunction with 802.11e. This paper examines and explores the current application of 802.1X...
- Tags: Network, Wireless Networking, IEEE 802.1X, Wi-Fi, Wireless
- White papers 2002-08-01
- Introduction to IEEE 802.11
- In 1997 the IEEE adopted IEEE Std. 802.11-1997, the first wireless LAN WLAN standard. This standard defines the media access control MAC and physical PHY layers for a LAN with wireless connectivity. It addresses local area networking where the connected devices communicate over the air to other devices that are...
- Tags: IEEE 802.11, WLAN, IEEE, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers
- Performance Analysis and Enhancements for IEEE 802.11e Wireless Networks
- The IEEE 802.11 WLAN legacy standard cannot provide QoS support for multimedia applications. Thus, considerable research efforts have been carried out to enhance QoS support for 802.11. Among them, 802.11e is the upcoming QoS-enhanced standard proposed by the IEEE working group. This paper describes in detail the new QoS features...
- Tags: QoS, Performance, Network, IEEE, Wireless Network, Wireless LANs, Wireless
- White papers 2005-07-01
- Evaluation of Quality of Service Schemes for IEEE 802.11 Wireless LANs
- This paper evaluates four mechanisms for providing service differentiation in IEEE 802.11 wireless LANs, the Point Coordinator Function PCF of IEEE 802.11, the Enhanced Distributed Coordinator Function EDCF of the proposed IEEE 802.11e extension to IEEE 802.11, Distributed Fair Scheduling DFS, and Blackburst using the ns-2 simulator. The metrics used...
- Tags: IEEE 802.11, QoS, Point Coordinator Function Performance, Wireless LANs, Wi-Fi, Wireless
- White papers
- Saturation Throughput of IEEE 802.11e EDCA Based on Mean Value Analysis
- The IEEE 802.11-based wireless LANs have been widely deployed for local area high-speed data access. The IEEE 802.11e amendment aims at providing QoS provisioning to support real-time multimedia traffic in WLANs. The Enhanced Distributed Channel Access EDCA is a QoS extension of the Distributed Coordination Function DCF in IEEE 802.11a/b/g....
- Tags: University Of British Columbia, IEEE, Analysis, Enhanced Distributed Channel Access, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers 2006-01-21
- An Analysis of the Design and Implementation of QoS Over IEEE 802.16
- This paper gives an overview of the QoS mechanisms built into the IEEE 802.16 standard (also known by the name of its vendor interoperability organization, WiMAX). The PHY and MAC layers of 802.16 are described in detail with regards to their QoS aspects. And the relations and interactions of these...
- Tags: QoS, IEEE 802.16, Analysis, WiMAX, Wireless
- White papers 2006-05-09
- Half Direct-Link Setup (H-DLS) for Fairness Between External and Local TCP Connections in IEEE 802.11e Wireless LANs
- The IEEE 802.11e standard supports a Direct-Link Setup DLS mechanism optionally to improve the throughput. Using this mechanism, IEEE 802.11e stations in proximity can directly exchange frames with no intervention of an access point. However, extensive simulations reveal the severe unfairness between external and local TCP connections in the IEEE...
- Tags: LAN, WLAN, TCP, IEEE, Wireless, Tcp/Ip, Networking
- White papers 2006-09-27
- IEEE 802.11a Standard White Paper
- This paper provides overview of IEEE 802.11 standard. IEEE 802.11 standard specifies a 2.4 GHz operating frequency with data rates of 1 and 2 Mbps using either Direct Sequence Spread Spectrum DSSS or Frequency Hopping Spread Spectrum FHSS.
- Tags: IEEE 802.11, Wireless LANs, Wi-Fi, Wireless
- White papers 2003-09-04
- A Comparison of Bluetooth and IEEE 802.11
- This document provides a comparison of Bluetooth and 802.11. It provides information on forecasted markets, an 802.11 technical overview, OSI models, modes, features, international band plans, usage scenarios, and interoperability - UPF, Wi-Fi, coexistence, interference, associations, 802.15.1, band plan, FCC, comparison summary of Bluetooth to 802.11b, bill of materials and...
- Tags: IEEE 802.11, Bluetooth, Wireless LANs, Wi-Fi, Wireless
- White papers 2001-12-04
- Design of QoS and Admission Control for VoIP Services Over IEEE 802.11e WLANs
- Supporting telephone services using wireless LAN as the access network is an important application nowadays. The SIP and IEEE 802.11e are the two most promising protocols to support such services. This paper shows how to integrate SIP and 802.11e to conduct call admission control and resource reservation to support VoIP's...
- Tags: QoS, VoIP Service, WLAN, IEEE, Wireless LANs, LANs, Session Initiation Protocol (SIP), Telephony, Wi-Fi, Wireless, VOIP, Telecommunications, Networking, Emerging Technologies
- White papers 2007-04-02
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