A high-throughput path metric for multi-hop wireless routing
Proceedings of the 9th annual international conference on Mobile computing and networking
Link-level measurements from an 802.11b mesh network
Proceedings of the 2004 conference on Applications, technologies, architectures, and protocols for computer communications
Improving loss resilience with multi-radio diversity in wireless networks
Proceedings of the 11th annual international conference on Mobile computing and networking
802.11b/g Link Level Measurements for an Outdoor Wireless Campus Network
WOWMOM '06 Proceedings of the 2006 International Symposium on on World of Wireless, Mobile and Multimedia Networks
Measurement-based models of delivery and interference in static wireless networks
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Packet-level diversity - from theory to practice: an 802.11-based experimental investigation
Proceedings of the 12th annual international conference on Mobile computing and networking
Long-distance 802.11b links: performance measurements and experience
Proceedings of the 12th annual international conference on Mobile computing and networking
Understanding and mitigating the impact of RF interference on 802.11 networks
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
Verification of common 802.11 MAC model assumptions
PAM'07 Proceedings of the 8th international conference on Passive and active network measurement
Antenna selection in MIMO systems
IEEE Communications Magazine
Experimental study of 802.11n network
ICACT'10 Proceedings of the 12th international conference on Advanced communication technology
Usage patterns in an urban WiFi network
IEEE/ACM Transactions on Networking (TON)
Measuring transmission opportunities in 802.11 links
IEEE/ACM Transactions on Networking (TON)
CAESAR: carrier sense-based ranging in off-the-shelf 802.11 wireless LAN
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies
A site-specific indoor link model for realistic wireless network simulations
Proceedings of the 4th International ICST Conference on Simulation Tools and Techniques
In VANETs we trust?: characterizing RF jamming in vehicular networks
Proceedings of the ninth ACM international workshop on Vehicular inter-networking, systems, and applications
Characterizing 802.11n aerial communication
Proceedings of the second ACM MobiHoc workshop on Airborne networks and communications
Measuring pulsed interference in 802.11 links
IEEE/ACM Transactions on Networking (TON)
From ground to aerial communication: dissecting WLAN 802.11n for the drones
Proceedings of the 8th ACM international workshop on Wireless network testbeds, experimental evaluation & characterization
| Hi-index | 0.00 |
Experimental results are typically envisioned as the ultimate validation reference for any theoretical and/or simulation modelling assumptions. However, in the case of Wireless LANs, the situation is not as straightforward as it might seem. In this paper, we discuss to what (large) extent measurement results may depend on proprietary undocumented algorithms implemented in the vendor-specific card/driver employed. Specifically, we focus on the experimental study of IEEE 802.11b/g outdoor links based on the widely used Atheros/MadWiFi chipset/driver pair. We show that significant and unexpected performance degradation may occur as a consequence of two Atheros' proprietary algorithms: Transmit Antenna Diversity and Ambient Noise Immunity. Our findings appear quite critical in sight of the fact that part of the WLAN research community is often unaware of the existence of these proprietary mechanisms. Such lack of awareness is critical as it can lead to biased experimental trials and/or to erroneous interpretation of experimental results.