17932 search results - page 198 / 3587 » Wireless communications systems |
155
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
In this paper, we propose a utility-based resource allocation scheme for layer-encoded IPTV multicast streaming service over IEEE 802.16 WiMAX networks. Unlike existing utility-bas...
139
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— We propose a power and constellation-size adaptation scheme for the multicast system employing multilevel quadrature amplitude modulation (MQAM) with discrete constella...
102
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
—E-limited (or K-limited) scheduling is attractive because its performance is close to that of the exhaustive scheduling which is proven to be the optimal polling scheme for symm...
131
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— This paper addresses when and how to adjust bandwidth allocations between uplink and downlink in a multi-service wireless network with bandwidth asymmetry under dynamic...
147
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INFOCOM
2007
IEEE
15 years 10 months ago
2007
IEEE
—In this letter, a network-coded cooperation scheme with dynamic coding mechanism (DC-NCC) is proposed. In DCNCC, the relay dynamically adapts forming the network-coded data base...