wlan bandwidth
I Can See Clearly Now: Bringing Wireless Broadband Video Into Focus
White Paper Three developments have transformed the video landscape by making it possible to transmit multiple channels of high-quality video over a multiuse WLAN that is also carrying data and voice. Sending broadband video over... [12 Nov 2009]
Wireless LAN Virtualization: Twice the Network at Half the Cost
White Paper With the introduction of 802.11n, WLAN radio data rates of 300Mbps and peak throughput not too far behind have propelled the speed of wireless networks past wired Ethernet. With the increase in bandwidth... [12 Nov 2009]
Green WLANs: On-Demand WLAN Infrastructures
White Paper This paper brings to attention that a large fraction of idle WLAN resources results in significant energy losses. The primary purpose of these deployments is to satisfy user demands for high bandwidth,... [02 Apr 2009]
GA-Based Optimization of Sigma-Delta Modulators for Wireless Transceivers
White Paper To this end, this paper addresses the design of a fourth-order multi-bit sigma-delta modulator suitable for Wireless Local Area Networks (WLAN) receivers with feed forward path and the optimum coefficients were selected... [02 Apr 2009]
Achievable Bandwidth Estimation for Stations in Multi-Rate IEEE 802.11 WLAN Cells
White Paper Observations in a real testbed showed that bandwidth resources (in Bytes/s) are shared fairly among all stations even though transmissions carried out at lower rates capture the medium for longer periods, which... [01 Apr 2009]
WiGEE: A Hybrid Optical/Wireless Gigabit WLAN
White Paper A centralized medium access control mechanism derived from IEEE 802.3ah is adopted for efficient channel access and bandwidth allocation. The use of standard components and the dynamic bandwidth... [01 Apr 2009]
A Novel Wire Antenna for GPS and WLAN Co-Design
White Paper A prototype of the proposed monopole antenna with a compact area size of 6mmÃ6mmÃ10mm is implemented, and the antenna shows a wide operating dual bandwidth (referenced VSWR=3) of about 295MHz and 343MHz for low... [01 Apr 2009]
Xirrus High Performance Wi-Fi Networks
White Paper This new white paper details how to use all the available non-overlapping channels in both the 2.4 and 5GHz frequency bands - allowing the WLAN to be optimized for both voice and data applications. The deployment of an... [18 Mar 2009]
Effect of Free Bandwidth on VoIP Performance in 802.11b WLAN Networks
White Paper In this paper the authors experimentally study the relationship between bandwidth utilization in the wireless LAN and the quality of VoIP calls transmitted over the wireless medium. Specifically the authors evaluate how... [16 Mar 2009]
Experimental Evaluation of 802.11e EDCA For Enhanced Voice Over WLAN Performance
White Paper The paper demonstrates that with the standard 802.11b MAC settings greedy data traffic is able to seize bandwidth from a low-rate voice call. The 802.11e MAC protocol extends the 802.11 CSMA/CA contention mechanism by... [31 Jan 2009]
Performance Evaluation of Video Streaming With Background Traffic Over IEEE 802.11 WLAN Networks
White Paper There is an increasing demand for multimedia streaming applications over WLAN networks. However, the dynamic nature of wireless networks in terms of fluctuating bandwidth and time-varying delays makes it... [22 Oct 2008]
Video Streaming Over Wireless LANs: A Cross-Layer Approach
White Paper Robust streaming of video over 802.11 Wireless Local Area Networks (WLAN) poses many challenges, including coping with bandwidth variations, data losses and heterogeneity of the receivers. Currently,... [22 Oct 2008]
Predictability of WLAN Mobility and Its Effects on Bandwidth Provisioning
White Paper Wireless Local Area Networks (WLANs) are emerging as a popular technology for access to the Internet and enterprise networks. In the long term, the success of WLANs depends on services that support mobile network clients. [19 Sep 2008]
A QoS-Based Bandwidth Management Scheme in Heterogeneous Wireless Networks
White Paper In a companion paper, a generic reservation-based QoS framework has been proposed and discussed for integrated cellular and WLAN networks. Providing a high bandwidth connection for end users anywhere and... [08 Jul 2008]
Power Over Ethernet (PoE) and 802.11n
White Paper Power over Ethernet (PoE) technology provides a means to transmit electrical power, along with data, to remote devices such as Wireless LAN (WLAN) Access Points (APs) over an unmodified Ethernet network. [04 Jul 2008]