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- New Roku XR will add 802.11n Wi-Fi upgrade to cheap media streamer
- Stability and antenna more important than 802.11nVideo streams are 4.5 Mbps at best. Even 802.11b can handle it so long as you have a very stable stream with no radio interference. In come cases, 802.11b is more resilient against interference because each pulse of data occupies a longer...
- Tags: Wireless LANs, Wireless and Mobility, Wi-Fi, IEEE 802.11, IEEE 802.11n, Roku Inc.
- Discussion threads 2009-10-22
- 802.11 Arbitration
- This whitepaper is intended to provide a thorough exploration of the channel access methods used in IEEE 802.11 WLANs. While the 802.11 standard specifies multiple subsets of functionality, not all of them are currently used in today's WLANs; therefore, this paper will address, in detail, only those mechanisms currently used...
- Tags: IEEE 802.11, Arbitration, CWNP, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2009-09-01
- MAC-Aware Routing Metric for 802.11 Wireless Mesh Networks
- It developed a new wireless link quality metric, ECOT Estimated Channel Occupancy Time that enables a high throughput route setup in wireless mesh networks. The key feature of ECOT is being applicable to diverse mesh network environments where IEEE 802.11 MAC Medium Access Control variants are used. It takes into...
- Tags: Aware, IEEE 802.11, MAC, Network, Wireless, Mesh Networking, Wireless LANs, Wi-Fi, Wireless And Mobility, Networking
- White papers 2009-08-11
- Playout Buffer and Rate Optimization for Streaming Over IEEE 802.11 Wireless Networks
- Most streaming rate selection and buffer optimization algorithms are developed for wired networks and can perform poorly over wireless networks. WirelessMAClayer behavior, such as rate adaptation, retransmissions, and medium sharing, can significantly degrade the effectiveness of current streaming algorithms. This paper presents the Buffer and Rate Optimization for Streaming BROS...
- Tags: Algorithm, IEEE 802.11, Optimization, Network, Association For Computing Machinery, Wireless Network, BROS, Engineering, Wi-Fi, Wireless And Mobility
- White papers 2009-08-01
- Channel Assignment for Reliable Multicast in IEEE 802.11b Multi-Radio Multi-Channel Wireless Mesh Networks
- This paper deals with the channel assignment problem for multicast transmission in multi-radio, multi-channel wireless mesh networks. The objective is to maximize the minimum path success probability by properly assigning channels to reduce interference. Interference makes bit errors that lower the path success probability. Not only non-overlapping channels but also...
- Tags: IEEE 802.11, Path Success Probability, Wireless LANs, Mesh Networking, Wi-Fi, Wireless And Mobility, Networking
- White papers 2009-07-27
- 10.1" Samsung N310 Go netbook offers Atom N270, chiclet keyboard; $479
- Samsung has renamed its N310 netbook as the "Go," combining an Intel Atom N270 processor with 1GB RAM, 160GB HDD and a 10.1-in., 1024 by 600 resolution display. In addition to the trendy chiclet (or "pebble," "island" or "isolated" -- see Apple, Sony,...
- Tags: IEEE 802.11, Memory Card, Samsung Electronics Co. Ltd., Intel Atom, Netbook, Intel Corp., Keyboards, Wireless LANs, Netbooks, Nettops & MIDs, Bluetooth, Wi-Fi, Memory, Wireless And Mobility, Processors, Hardware, Peripherals, Semiconductors, Components, Andrew Nusca
- Blog posts 2009-07-17
- Model-Based Fault Diagnosis for IEEE 802.11 Wireless LANs
- The increasingly deployed IEEE 802.11 Wireless LANs WLANs challenge traditional network management systems because of the shared open medium and the varying channel conditions. There needs to be an automated tool that can help diagnosing both malicious security faults and benign performance faults. It is often difficult, however, to identify...
- Tags: IEEE 802.11, Network, University Of Massachusetts, Wireless LANs, Wi-Fi, Networking, Wireless And Mobility
- White papers 2009-06-05
- Analysis of a Fountain Codes Based Transport in an 802.11 WLAN Cell
- Fountain Codes based Transport FCT protocol relies on an alternate paradigm to that of the ubiquitous TCP. It abolishes the need for a reverse feedback mechanism usually essential to provide reliability in packet data transmission. Absence of a reverse feedback mechanism can substantially improve the performance of networks with half-duplex...
- Tags: 802.11 Wireless LAN, IEEE 802.11, Computer Science, Analysis, Cell, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2009-06-04
- Physics of 802.11 Wireless Networks
- This paper describes the basic physics principles of 802.11 networks. It will cover the theoretical aspects such as Maxwell equations of electromagnetic fields as well as the practical implementation of these concepts when building 802.11 networks. In everyday usage of 802.11 wireless networks the approach is mostly empirical and the...
- Tags: IEEE 802.11, Network, Wireless Network, Wireless, University Of Ljubljana, Wireless LANs, Wi-Fi, Wireless And Mobility, Networking
- White papers 2009-05-13
- White Paper - WiTDM Vs. 802.11
- WiTDM is one kind of TDMA technology, and a transmission protocol suitable for outdoor equipments with Point to Point and Point to Multi-Point transmission in long distance. Being different from 802.11 CSMA/CA, the maximum transmission efficiency of WiTDM can be up to 150% of CSMA/CA 802.11. In the outdoor environment,...
- Tags: IEEE 802.11, Formosa Wireless Systems, WiTDM, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2009-04-24
- Nonsaturation Throughput Enhancement of IEEE 802.11b Distributed Coordination Function for Heterogeneous Traffic Under Noisy Environment
- This paper proposes a mechanism named Modified Backoff MB mechanism to decrease the channel idle time in IEEE 802.11 Distributed Coordination Function DCF. In the noisy channel, when Signal-to-Noise Ratio SNR is low, applying this mechanism in DCF greatly improves the throughput and lower the channel idle time. This paper...
- Tags: IEEE 802.11, Environment, K.S.Rangasamy College Of Technology, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2009-04-12
- Probability Analysis of Channel Collision Between IEEE 802.15.4 and IEEE 802.11b Using Qualnet Simulation for Various Topologies
- Coexistent heterogeneous wireless networks may interfere with each other and result in significant performance degradation when devices are collocated in the same environment. With the increasingly deployed Wireless Personal Area Network WPAN and Wireless Local Area Network WLAN devices, channel conflict has become very frequent and severe when one WPAN...
- Tags: IEEE 802.11, IEEE, Analysis, Wireless, Wireless LANs, Wi-Fi, Wireless And Mobility, LANs, Networking
- White papers 2009-04-01
- Future-Forward to 802.11 n: The Testing Challenge in Wireless Networking
- The crucial interoperability of wireless network devices built around the 802.11 standard is threatened by the advent of new and faster technologies. The IEEE is trying to cope by introducing the 802.11n standard - but it's still in draft form. Meanwhile, how can manufacturers cope with the confusion and promise...
- Tags: IEEE 802.11, Network, Lionbridge Technologies Inc., Wireless Networking, Wireless Network, Wireless, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2009-03-01
- Meraki White Paper: 802.11n Technology
- The 802.11n draft 2.0 standard offers several technical benefits over previous technology generations, which result in improved throughput to 802.11n-based clients, as well as greater reliability for legacy 802.11a/b/g clients. 802.11n is much more than just a new radio for 802.11. In addition to providing higher bit rates (as was...
- Tags: IEEE 802.11, IEEE 802.11n, Meraki, Wi-Fi, Wireless LANs, Wireless And Mobility
- White papers 2009-03-01
- Diversity Techniques for Interference Mitigation Between IEEE 802.11 WLANs and Bluetooth
- Wireless LANs (for e.g., IEEE 802.11g) and Wireless Personal Access Networks WPANs operate in the same 2.4 GHz ISM frequency band. This paper considers the techniques to mitigate the interference caused by WPANs (e.g., Bluetooth) on the IEEE 802.11 wireless LAN. In particular, it considers the downlink where an adjacent...
- Tags: Technique, IEEE 802.11, Interference, WLAN, Wireless LANs, LANs, Wi-Fi, Wireless And Mobility, Bluetooth, Productivity, Networking
- White papers 2009-02-21
- digEcor Designs Optimal In-Flight Entertainment Device With D-Link 802.11 a/b/g Wireless Adapter
- digEcor manufactures the digEplayer XT In-Flight Entertainment IFE player. The company was bought by Wencor, a 55-year-old leader in the aircraft parts distribution business, in 2004. When digEcor was designing their award-winning digEplayer XT In-Flight Entertainment IFE player, they needed to include wireless capability to meet its airline customer requirements....
- Tags: D-Link Systems, IEEE 802.11, Adapter, Wireless, digEcor, Home Networking, Wi-Fi, Wireless And Mobility, Networking, Personal Technology
- Case studies 2008-11-03
- Cross-Layer Based Erasure Code to Reduce the 802.11 Performance Anomaly: When FEC Meets ARF
- Wireless networks have been widely accepted and deployed in world nowadays. Consumers are now accustomed to wireless connectivity in their daily life due to the pervasiveness of the 802.11b/g and wireless LAN standards. Specially, the emergence of the next evolution of Wi-Fi technology known as 802.11n is pushing a new...
- Tags: IEEE 802.11, Performance, Federal Election Commission, Wireless, Wi-Fi, Wireless And Mobility, Wireless LANs
- White papers 2008-10-31
- Available Bandwidth-Based Association in IEEE 802.11 Wireless LANs
- The performance of an IEEE 802.11 station heavily depends on the selection of an AP Access Point that the station is associated with to access the Internet. The conventional approach to the AP selection is based on the received signal strength called RSSI Received Signal Strength Indication from APs within...
- Tags: Bandwidth, IEEE 802.11, Associated Press, Association For Computing Machinery, Wireless LANs, Wi-Fi, Wireless And Mobility, Internet
- White papers 2008-10-31
- Throughput Enhancement Through Combined Fragmentation and Rate Method in IEEE 802.11b WLANs
- IEEE 802.11 allows for fragmentation tuning and rate selection. Their combined usage is referred sometimes to link adaptation. However, the algorithms of link adaptation are beyond the 802.11 standards. This paper investigates the benefits arising from proper use of link adaptation. Particularly, it develops a mathematical model describing the fragmented...
- Tags: IEEE 802.11, Fragmentation, Adaptation, Wireless LANs, Wi-Fi, Wireless And Mobility
- White papers 2008-10-06
- Cloned Access Point Detection and Prevention Mechanism in IEEE 802.11 Wireless Mesh Networks
- IEEE 802.11 Wireless Mesh Network WMN is an emerging low cost, decentralized community-based broadband technology, which is based on self-healing and multi-hop deployment of Access Points APs, so that to increase the coverage area with maximum freedom to end-users to join or leave the network from anywhere anytime having low...
- Tags: IEEE 802.11, Access Point, Dynamic Publishers, IEEE 802.11 Wireless Mesh Network, Wireless LANs, Security Administration, Wireless And Mobility, Wi-Fi, Security
- White papers 2008-09-23
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