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Today's home hosts an increasing number of multimedia devices, such as media servers, set-top boxes and IP-TVs. As users favor wireless devices, home Wi-Fi networks are facing the challenge of providing throughput assurances to multimedia traffic. The authors propose SHAPE, a Smart Home Access Point Environment, that enforces medium sharing within the framework of random access in order to satisfy performance requirements of prioritized wireless links, while requiring no modification to legacy 802.11 stations. They implement SHAPE and show through experiments that SHAPE effectively provides the required throughput to wireless links with heterogeneous target throughputs, even when co-located with a non-SHAPE WLAN.
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