Proceedings of the 8th ACM SIGCOMM conference on Internet measurement
Testing large scale streaming internet applications over wireless LANs
HASE'04 Proceedings of the Eighth IEEE international conference on High assurance systems engineering
IEEE 802.11n MAC frame aggregation mechanisms for next-generation high-throughput WLANs
IEEE Wireless Communications
Experimental characterization of 802.11n link quality at high rates
Proceedings of the fifth ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
Auto-configuration of 802.11n WLANs
Proceedings of the 6th International COnference
Throughput and PER estimates harnessing link-layer measurements for indoor 802.11n WLAN
Computer Standards & Interfaces
The impact of channel bonding on 802.11n network management
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies
ACORN: an auto-configuration framework for 802.11n WLANs
IEEE/ACM Transactions on Networking (TON)
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The empirical performance studies on the emerging IEEE 802.11n technology by an independent and vendor-neutral party have not really been explored. In this paper, we conduct performance measurements for the IEEE 802.11n network using a mixture of commercially available IEEE 802.11n devices from various manufacturers. With the same standard 20-MHz channel width configuration, the results demonstrate that IEEE 802.11n significantly outperforms the IEEE 802.11g network. The performance improvements of IEEE 802.11n are measured to be roughly about 85% for the downlink UDP traffic, 68% for the downlink TCP traffic, 50% for the uplink UDP traffic, and 90% for the uplink TCP traffic. We also observe that the UDP throughputs are largely imbalanced for the uplink and downlink traffics in most test networks, while the downlink and uplink TCP throughput results are quite balanced for all test networks. In addition, the 40-MHz channel configurations only provide marginal performance improvements. Unlike other existing work, here we also capture and analyze the IEEE 802.11n packets transferred during the performance tests in order to technically explain the measured performance results. It is observed that when the frame aggregation and block acknowledgement mechanisms are utilized, the superior performance results are achieved. However, the decisions on how and when to use these mechanisms are very hardware dependent.