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IJRFITA
2007
84views more  IJRFITA 2007»
15 years 6 months ago
Characterisation of RF propagation in metal pipes for passive RFID systems
: In this paper we extend the theory of Radio Frequency (RF) propagation as it relates to propagation within metal circular pipes. This work is motivated by a need to understand th...
Darmindra D. Arumugam, Daniel W. Engels
CSCW
2002
ACM
15 years 6 months ago
Achieving undo in bitmap-based collaborative graphics editing systems
Bitmap-based collaborative graphics editing systems are a special class of real-time collaborative editing systems. Undo is an important and difficult problem in these systems. Ex...
Xueyi Wang, Jiajun Bu, Chun Chen
ICASSP
2008
IEEE
16 years 19 days ago
Analytic framework for performance evaluation of multi-antenna WIMAX systems over fading channel
This paper focuses on the uplink of multicell IEEE 802.16-d WiMax systems with OFDM modulation and antenna array at the base stations. We propose an analytical framework to assess...
Daniele Molteni, Roberto Bosisio, Monica Nicoli
ICRA
2008
IEEE
129views Robotics» more  ICRA 2008»
16 years 19 days ago
Modeling of a closed loop cable-conduit transmission system
— Many surgical robots use cable-conduit pairs in a pull-pull configuration to actuate the instruments and transmit power into the patient’s body. Friction between the cable an...
Varun Agrawal, William J. Peine, Bin Yao
ICC
2007
IEEE
101views Communications» more  ICC 2007»
16 years 16 days ago
Collision Model for the Bit Error Rate Analysis of Multicell Multiantenna OFDMA Systems
Abstract— A multicell system which supports multiple antennas and OFDMA modulation/access is considered in this paper as conforming IEEE 802.16-2005 standard. Focusing on the upl...
Roberto Bosisio, Umberto Spagnolini