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» On Interleaving in Timed Automata
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GLOBECOM
2007
IEEE
15 years 6 months ago
Efficient Queue Based Dynamic Bandwidth Allocation Scheme for Ethernet PONs
Abstract—We propose an Optical Line Terminal (OLT) centric Dynamic Bandwidth Allocation (DBA) scheme based on individual requests from service queues in Optical Network Units (ON...
Pallab K. Choudhury, Poompat Saengudomlert
IRI
2007
IEEE
15 years 6 months ago
MAGIC: A Multi-Activity Graph Index for Activity Detection
Suppose we are given a set A of activities of interest, a set O of observations, and a probability threshold p. We are interested in finding the set of all pairs (a, O ), where a...
Massimiliano Albanese, Andrea Pugliese, V. S. Subr...
GLOBECOM
2006
IEEE
15 years 5 months ago
Two Novel Iterative Joint Frequency-Offset and Channel Estimation Methods for OFDMA Uplink
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
Xiaoyu Fu, Hlaing Minn, Cyrus D. Cantrell
VTC
2006
IEEE
159views Communications» more  VTC 2006»
15 years 5 months ago
Channel Estimation for SC-FDE Systems Using Frequency Domain Multiplexed Pilots
Abstract— We investigate channel estimation for single-carrierfrequency domain equalization (SC-FDE) system using the techniques typically used for an orthogonal frequency domain...
Chan-Tong Lam, David D. Falconer, Florence Danilo-...
CASES
2006
ACM
15 years 5 months ago
A case study of multi-threading in the embedded space
The continuing miniaturization of technology coupled with wireless networks has made it feasible to physically embed sensor network systems into the environment. Sensor net proces...
Greg Hoover, Forrest Brewer, Timothy Sherwood