Sciweavers

599 search results - page 58 / 120
» Energy and Performance Models for Synchronous and Asynchrono...
Sort
View
WIMOB
2007
IEEE
14 years 2 months ago
Performance Analysis of Ranging Process in IEEE 802.16e OFDMA Systems
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
Doo Hwan Lee, Hiroyuki Morikawa
TCOM
2008
108views more  TCOM 2008»
13 years 7 months ago
Performance analysis on an MAP fine timing algorithm in UWB multiband OFDM
In this paper we develop a fine synchronization algorithm for multiband OFDM transmission in the presence of frequency selective channels. This algorithm is based on maximum a post...
Christian R. Berger, Shengli Zhou, Zhi Tian, Peter...
MOBICOM
2006
ACM
14 years 1 months ago
Cooperative multihop communication for underwater acoustic networks
In this work, multi-hop cooperative schemes for underwater sensor networks are studied and shown to be highly energy efficient. Also, the signal model for a multipath channel is d...
Cecilia Carbonelli, Urbashi Mitra
GLOBECOM
2009
IEEE
13 years 11 months ago
Power Efficient Traffic Grooming in Optical WDM Networks
Abstract--Power-awareness in networking attracts more attention as the trends in the energy consumption of the Internet raise growing concerns about the environmental impacts and s...
Emre Yetginer, George N. Rouskas
MOBICOM
2012
ACM
11 years 10 months ago
FLIGHT: clock calibration using fluorescent lighting
In this paper, we propose a novel clock calibration approach called FLIGHT, which leverages the fact that the fluorescent light intensity changes with a stable period that equals...
Zhenjiang Li, Wenwei Chen, Cheng Li, Mo Li, Xiang-...