208 search results - page 29 / 42 » Optimal SINR-based Random Access |
JSAC
2008
13 years 7 months ago
2008
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
ASPLOS
2010
ACM
13 years 6 months ago
2010
ACM
Semantic indexing is a popular technique used to access and organize large amounts of unstructured text data. We describe an optimized implementation of semantic indexing and docu...
VLDB
2001
ACM
14 years 6 days ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...
TMC
2011
13 years 2 months ago
2011
—An energy-efficient, reliable and timely data transmission is essential for wireless sensor networks (WSNs) employed in scenarios where plant information must be available for ...
TON
2010
13 years 2 months ago
2010
Distributed opportunistic scheduling (DOS) is studied for wireless ad-hoc networks in which many links contend for the channel using random access before data transmissions. Simpl...