6800 search results - page 977 / 1360 » On optimizing collective communication |
201
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
– MIMO (Multiple Input Multiple Output) is capable of offering several-fold increase in spectral efficiency over singleantenna systems through spatial processing. However, curren...
208
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
In this paper, we consider a deadline constrained traffic and analyze the joint effects of packet queuing and adaptive modulation (AM) for packet transmission in MIMO systems. We p...
181
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, we develop contention-based medium access control (MAC) schemes for both best-effort data transmissions and delay-sensitive multimedia transmissions over WLANs. ...
200
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We study the cross-layer problem of combining routing and cooperative diversity in multi-hop, bandwidthconstrained networks with dedicated multiple access. Previous work in coo...
218
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...