TechRepublic Resources
- Allowing Errors in Speech Over Wireless LANs
- Wireless LANs are becoming commonplace because of their ease in providing mobile communication. As use of IEEE 802.11 continues to expand, support for voice will become a desirable feature. Supporting voice conversations over a packet network is more challenging than over current circuit switched wired networks. These challenges are particularly...
- Tags: IEEE 802.11, Network, WLAN, University Of California, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers
- WLAN (ieee 802.11B) and WMAN (802.16A) Broadband Wireless Access: When Opportunities Drive Solutions
- The Institute of Electrical and Electronics Engineer (IEEE) approved in 1997 the Standard 802.11, followed by Standard 802.11b in 1999. Although the standards were intended for indoor wireless local area networks (WLAN), it took very little time to see WLAN-based products in point-to-point and point-to-multipoint outdoor solutions. The WLAN opportunity...
- Tags: WMAN, IEEE 802.11, Broadband Wireless, Broadband, WLAN, IEEE 802.16, Wireless Access, Wireless LANs, LANs, WiMAX, Wireless, Wi-Fi, Networking
- White papers
- The 802.11 MAC Protocol Leads to Inefficient Equilibria
- Wireless Local Area Networks (WLANs) based on the family of 802.11 technologies are becoming ubiquitous. In non-cooperative environments such as public hot-spots or WLANs operated by different enterprises that are physically close to each other, individual nodes attempt to maximize their achieved throughput by adjusting the data rate or frame...
- Tags: IEEE 802.11, MAC, Massachusetts Institute Of Technology, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless, Networking
- White papers
- Intrix Helps Macquarie Links Realty Break Free With WiFi
- Engineers at Intrix utilizing Dell's TrueMobile technology have delivered a cost effective network solution providing Landplus Realty with the benefits and freedom of a secure 802.11B 11Mbps WiFi network. Landplus needed a cost effective networking solution that would enable them to fully exploit the benefits of a collaborative networked environment....
- Tags: IEEE 802.11, Network, Networking Solution, Wireless Network, Wireless LANs, Wi-Fi, Wireless, Networking
- Case studies
- Integrating Cellular With 802.11
- This Webinar examines the mechanisms, products, and service plans designed to stitch 802.11 and cellular into a single service bundle.
- Tags: IEEE 802.11, Wireless LANs, Wi-Fi, Wireless
- Webcasts
- The Development of a Secure Campus 802.11b Wireless Network
- During the summer break of 2003 the Network Development Team at University of Wales, Aberystwyth (UWA) drew up a list of requirements for the purchase of wireless APs. The most important requirements included value for money, range of use, remote management, statistics gathering and (as far as possible) a future-proof...
- Tags: IEEE 802.11, Associated Press, Wi-Fi, Wireless
- Case studies
- Routing and Interface Assignment in Multi-Channel Multi-Interface Wireless Networks
- Multiple channels are available for use in IEEE 802.11. Multiple channels can increase the available network capacity, but require new protocols to exploit the available capacity. This paper studies the problem of improving the capacity of multi-channel wireless networks by using multiple interfaces. It considers the scenario when multiple interfaces...
- Tags: University Of Illinois, Channel, IEEE 802.11, Interface, Wireless LANs, Wi-Fi, Wireless, Strategy, Management
- White papers
- Implementing a Low Power TDMA Protocol Over 802.11
- A wireless network of remotely located, self-powered video sensors must make efficient use of limited network capacity and power. An ideal media-access protocol for such network would fully utilize available throughput while using no more power than necessary and maintaining a reasonable level of fairness. To accomplish these goals, this...
- Tags: Portland State University, IEEE 802.11, TDMA, Protocol, Wireless LANs, Wi-Fi, Wireless, Corporate Communications, Marketing
- White papers
- Pro-Active Key Distribution Using Neighbor Graphs
- Wireless networks, specifically those based on the IEEE 802.11 standard (Wi-Fi), are experiencing rapid growth due to their low cost and unregulated bandwidth. As a result of this tremendous growth, pockets of connectivity have been created similar to the first few years of the cellular systems. The logical next step...
- Tags: IEEE 802.11, University Of Maryland, Network, Domain, Mobility, Wireless LANs, Wi-Fi, Wireless
- White papers
- Minimum-Interference Channel Assignment in Multi-Radio Wireless Mesh Networks
- Mesh networks based on commodity 802.11 hardware are becoming more common and commercially deployed due to the popularity of the 802.11 standard and ubiquity of 802.11-based interfaces in mobile devices. This paper considers static multi-hop wireless mesh networks, where each router node is equipped with multiple radio interfaces and multiple...
- Tags: IEEE 802.11, Network, Mesh Networking, Wireless LANs, Wi-Fi, Networking, Wireless
- White papers
- Capacity, Coverage, and Deployment Considerations for ieee 802.11g
- 802.11g is an exciting new technology that offers additional performance, while providing investment protection for 802.11b clients through backward compatibility. By using previous technologies and economies of scale, 802.11g devices are available at little or no additional cost relative to 802.11b. As such, there are many reasons to begin migrating...
- Tags: IEEE 802.11, IEEE 802.11g, WLAN, Wireless LANs, Wi-Fi, Wireless
- White papers
- Voice & Video Over 802.11 Wireless LAN
- This Webinar will consider the fact that voice and video applications over wireless LAN require technology able to meet specific challenges of QOS, throughput, and scaleability.
- Tags: 802.11 Wireless LAN, IEEE 802.11, Voice, Video, Corporate Communications, Wireless LANs, LANs, Wi-Fi, Wireless, Telecommunications, Marketing, Networking
- Webcasts
- Mitigating the Exposed Node Problem in ieee 802.11 Ad Hoc Networks
- The IEEE 802.11 Distributed Coordination Function (DCF) MAC protocol continues to suffer from the hidden and exposed node problems which characterize CSMA-based protocols. The RTS/CTS exchange partially solves the hidden node problem, but the exposed node problem remains unaddressed. This paper describes enhancements to the IEEE 802.11 DCF MAC Protocol...
- Tags: IEEE 802.11, Node Problem, IEEE 802.11 Distributed Coordination Function MAC Protocol, Wireless LANs, Wi-Fi, Wireless
- White papers
- Which WLAN Technology is Best?
- If you've recently installed 802.11g or added it to your existing wireless networks, you've probably discovered that you're not getting anywhere near the throughput that has been advertised by WLAN manufacturers and the trade press. This is especially true in a mixed environment of 802.11b and 802.11g...
- Tags: Global Knowledge Network Inc., IEEE 802.11, IEEE 802.11g, WLAN, Wireless LANs, Wi-Fi, Wireless, LANs, Networking
- White papers
- Driscoll's Berries Picks Perfect Mobile Solution for Distribution, Account Reconciliation
- Watsonville, California-based Driscoll Strawberry Associates needed to streamline its distribution operations and improve the accuracy of its account reconciliation system. Driscoll turned to Redline Solutions, a systems integrator specializing in automating data collection for agribusiness clients. Redline recommended a mobile systems solution that would be integrated into Driscoll's existing corporate...
- Tags: IEEE 802.11, Mobile, Corporate Transaction, Symbol Technologies Inc., Driscoll, Advertising & Promotion, Wireless LANs, Wireless, Marketing
- Case studies
- Improving ieee 802.11 Wireless Networks With Microsoft Windows XP Service Pack 2
- This webcast provides an overview of the Microsoft implementation of IEEE 802.11 wireless local area network (LAN) networking in Microsoft Windows XP Service Pack 1 (SP1). It also presents design modifications that improve the Windows wireless LAN user experience in Microsoft Windows XP Service Pack 2 (SP2).wireless LAN networking component...
- Tags: IEEE 802.11, Service Pack 2, WLAN, Microsoft Corp., Microsoft Windows XP Service Pack, Microsoft Windows, Microsoft Windows XP Service Pack 2, LANs, Wireless LANs, Microsoft Windows XP, Wi-Fi, Wireless, Operating Systems, Software, Networking
- Webcasts
- Protecting Transmissions When Using Power Control on 802.11 Ad Hoc Networks
- This paper presents the ALCA (Asymmetric Link Collision Avoidance) protocol. ALCA was designed to deal with a known deficiency of the Basic Scheme Gomez et al., 2001 for power control in 802.11 ad hoc networks, which occurs when links become asymmetrical as a result of power control. The proposed ALCA...
- Tags: IEEE 802.11, Advertisement, ALCA Mechanism, Wireless LANs, Wi-Fi, Wireless
- White papers
- MiFi: A Framework for Fairness and QoS Assurance in Current ieee 802.11 Networks With Multiple Access Points
- This paper presents a framework for providing fair service and supporting QoS requirements in IEEE 802.11 networks with multiple access-points (APs). These issues becomes critical as IEEE 802.11 wireless LAN are widely deployed in nationwide networks, linking tens of thousands of "hot-spots" for providing both real-time (voice) and non real-time...
- Tags: IEEE 802.11, QoS, Access Point, Wireless LANs, Wi-Fi, Wireless
- White papers
- Saving Energy in Wi-Fi Hotspots Through 802.11 PSM: An Analytical Model
- Wi-Fi hotspots are becoming very popular. Due to limited costs, they are an effective solution to provide wireless Internet access to nomadic users. A key point to exploit the potentialities of Wi-Fi hotspots is managing the scarce energetic resources of mobile devices. To this end, the IEEE 802.11 standard defines...
- Tags: IEEE 802.11, Wi-Fi Hotspot, Wireless LANs, Wi-Fi, Wireless
- White papers
- Impact of Interference and Capture Effects in 802.11 Wireless Networks on TCP
- As broadband wireless channels become common, the performance of TCP over end-to-end paths containing such links is important. TCP SACK suffers substantially when residual packet error rates increase beyond a value of about 1%-5% (especially for longer RTTs). The authors earlier proposed improvements to TCP (called LT-TCP) to make TCP...
- Tags: IEEE 802.11, Network, TCP, Wireless Network, TCP SACK, Tcp/Ip, Networking, Wireless, Wi-Fi
- White papers
