OPNET based Wireless LAN Performance Improvisation

Quality of Service in Wireless LAN Using OPNET MODELER

Performance Analysis of Wireless Sensor Network Based on OPNET

The wireless sensor network is a new hot spot in the field of wireless network. Compared with other network technology, wireless sensor network has less communication protocols, mainly including Wireless HART, ISA100.11a, IEEE1451, and ZigBee/IEEE802.15.4. IEEE802.15.4 was designed for short-range, low-complexity, low-power, lowrate and low-cost wireless network which provides two-way wireless ...

Simulation-Based Performance Analysis of 802.11a Wireless LAN

In this paper, a simulation study is presented to evaluate the performance of 802.11a wireless LAN protocol. We have simulated 802.11a in a simple network topology taking into account both physical and MAC layers characteristics. Based on simulation results we show that some transmission modes are not efficient to use without extra power control mechanisms. Our simulations confirm that FEC can ...

Measured performance of a wireless LAN

We have studied the performance of a high-speed commercial spread-spectrum wireless LAN that uses the CSMA/CA multiple-access strategy. Employing synthetic workloads, we measured packet capture success more so than signal propagation characteristics. Specifically , we measured throughput, packet loss rates, range, and patterns of errors within packets. We conclude that CSMA/CA is quite successf...

Direction-based Wireless LAN Positioning

Wireless LAN (WLAN) positioning has received much attention due to its advantages with respect to indoor positioning. “Location fingerprinting” has been widely accepted as an effective method of implementing signal strength based positioning. In WLAN positioning, the mobile user’s (MU) orientation has a significant impact on the received signal strength from an Access Point, and has been addres...