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FOCS
2008
IEEE
16 years 25 days ago
Size Bounds and Query Plans for Relational Joins
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often domi...
Albert Atserias, Martin Grohe, Dániel Marx
GLOBECOM
2008
IEEE
16 years 25 days ago
Asymptotic Throughput in Wireless Multicast OFDM Systems
Abstract—With the proliferation of wireless multimedia applications, multicast/broadcast has been recognized as an efficient technique to transmit a large volume of data to mult...
Juan Liu, Wei Chen, Zhigang Cao, Ying Jun Zhang, S...
GLOBECOM
2008
IEEE
16 years 25 days ago
Multi-Cluster Multi-Parent Wake-Up Scheduling in Delay-Sensitive Wireless Sensor Networks
—Immediate notification of urgent but rare events and delivery of time sensitive actuation commands appear in many practical wireless sensor and actuator network applications. M...
Huang Lee, Abtin Keshavarzian, Hamid K. Aghajan
GLOBECOM
2008
IEEE
16 years 25 days ago
Optimal LLR Clipping Levels for Mixed Hard/Soft Output Detection
Abstract—Consider a communications system where the detector generates a mix of hard and soft outputs, which are then fed into a soft-input channel decoder. In such a setting, it...
Ernesto Zimmermann, David L. Milliner, John R. Bar...
GLOBECOM
2008
IEEE
16 years 25 days ago
A Theory-Driven Distribution Algorithm for Peer-to-Peer Real Time Streaming
—Many distribution algorithms have been proposed up to now for P2P real time streaming. However, due to the lack of basic theoretical results and bounds, common sense and intuiti...
Lorenzo Bracciale, Francesca Lo Piccolo, Dario Luz...
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