Sciweavers

17932 search results - page 133 / 3587
» Wireless communications systems
Sort
View
WMCSA
2002
IEEE
15 years 8 months ago
Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
Samuel Madden, Robert Szewczyk, Michael J. Frankli...
ICOIN
2001
Springer
15 years 8 months ago
An Advanced Integrated Architecture for Wireless Voicemail Data Retrieval
This paper describes an alternative architecture for voicemail data retrieval on the move. It is comprised of three distinct components: a speech recognizer, a text summarizer and...
Konstantinos Koumpis, Charalampos Ladas, Steve Ren...
FGCN
2008
IEEE
120views Communications» more  FGCN 2008»
15 years 10 months ago
A Study of WiMAX Implementation at University Campuses
The technology of Worldwide Interoperability for Microwave Access (WiMAX) is based on the IEEE 802.16 standard which enables the delivery of last mile wireless broadband access wi...
Chen-Hsiang Yu, Don-Lin Yang, An-Chi Liu
GLOBECOM
2008
IEEE
15 years 10 months ago
Power Allocation in Wireless Relay Networks: A Geometric Programming-Based Approach
—1 In this paper, we consider an amplify-and-forward (AF) wireless relay system where multiple source nodes communicate with their corresponding destination nodes with the help o...
Khoa T. Phan, Tho Le-Ngoc, Sergiy A. Vorobyov, Chi...
MOBICOM
2006
ACM
15 years 9 months ago
Design of a low-cost acoustic modem for moored oceanographic applications
This paper discusses the current state of the art systems of real time telemetry on oceanographic moorings and describes the design requirements for making acoustic modem data tel...
Bridget Benson, Grace Chang, Derek Manov, Brian Gr...