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In infrastructure wireless networks, the wireless hop can be considered as another hop of the transmission path. With the rapid growth of wireless traffics, the future wireless network is expected to provide services for heterogeneous data traffics with different quality of service requirements. Most proposed schemes do not have mechanisms to adapt to environment changes. In real situation, bandwidths, error rates, and loss rates of wireless links vary frequently. We base on the differentiated service model and propose a wireless differentiation (WD) scheme for UDP flows and a wireless differentiation with prioritized ACK (WDPA) scheme for connections with TCP flows which provide QoS support for IEEE 802.11b and do not change the basic access mechanism of IEEE 802.11b.
Parallel and Distributed Systems, 2005. Proceedings. 11th International Conference on (Volume:1 )
Date of Conference: 20-22 July 2005