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GLOBECOM
2007
IEEE
13 years 9 months ago
The Quality-Energy Scalable OFDMA Modulation for Low Power Transmitter and VLIW Processor Based Implementation
: The improvement of spectral efficiency comes at the cost of exponential increment of signal processing complexity [1]. Hence, the energy-efficiency of baseband has recently turne...
Min Li, Bruno Bougard, Eduardo Lopez-Estraviz, And...
MOBICOM
2009
ACM
14 years 1 months ago
A quorum-based framework for establishing control channels in dynamic spectrum access networks
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
Kaigui Bian, Jung Min Park, Ruiliang Chen
COMPSEC
2008
116views more  COMPSEC 2008»
13 years 7 months ago
Enforcing memory policy specifications in reconfigurable hardware
While general-purpose processor based systems are built to enforce memory protection to prevent the unintended sharing of data between processes, current systems built around reco...
Ted Huffmire, Timothy Sherwood, Ryan Kastner, Timo...
DATE
2003
IEEE
106views Hardware» more  DATE 2003»
14 years 21 days ago
Reconfigurable Signal Processing in Wireless Terminals
In this paper, we show the necessity of reconfigurable hardware for data and signal processing in wireless mobile terminals. We first identify the key processing power requirement...
Jürgen Helmschmidt, Eberhard Schüler, Pr...
CVPR
2007
IEEE
13 years 11 months ago
Active Aperture Control and Sensor Modulation for Flexible Imaging
In the paper, we describe an optical system which is capable of providing external access to both the sensor and the lens aperture (i.e., projection center) of a conventional came...
Chunyu Gao, Narendra Ahuja, Hong Hua