37 search results - page 1 / 8 » Opportunity Detection for OFDMA Systems with Timing Misalign... |
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
— Accurate detection of spectrum opportunities within the frequency band of an orthogonal frequency division multiple access (OFDMA) system is a critical requirement for the real...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
We configure the multiple node interference (MNI) on OFDMA mesh networks and analyze the feature of this MNI as a closed form in terms of timing misalignment between multiple nod...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper addresses initial ranging (uplink synchronization and power control) for TDD OFDMA systems. Exploiting the channel knowledge from the downlink channel together with ini...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—Network cameras, extensively used in video surveillance, often allow pan-tilt-zoom functionality and are also subject to wind load and mount vibrations, thus causing video frame...