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GLOBECOM
2006
IEEE
14 years 1 months ago
Implementation of a Coded Modulation for Deep Space Optical Communications
— We present a field programmable gate array (FPGA) implementation of a turbo-like decoder for a serially concatenated pulse-position modulation (SCPPM) code. NASA developed thi...
Michael K. Cheng, Bruce E. Moision, Jon Hamkins, M...
ICC
2007
IEEE
288views Communications» more  ICC 2007»
14 years 2 months ago
Joint Channel State Based Random Access and Adaptive Modulation in Wireless LAN with Multi-Packet Reception
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
Wei Lan Huang, Khaled Ben Letaief, Ying Jun Zhang
ISVLSI
2007
IEEE
121views VLSI» more  ISVLSI 2007»
14 years 2 months ago
Data Recovery Block Design for Impulse Modulated Power Line Communications in a Microprocessor
Power line communications (PLC) using impulse ultra wideband (UWB) in a microprocessor had been proposed for ubiquitous access of internal nodes for test/debug purposes. In this p...
Rajesh Thirugnanam, Dong Sam Ha, T. M. Mak
ICC
2008
IEEE
14 years 2 months ago
DS-CDMA Chip Waveforms with Maximally Concentrated Spectra
Abstract—We propose chip waveforms for essentially fullresponse signaling in DS-CDMA systems that employ offset quadrature modulation formats. The waveforms are optimal in the se...
Ritesh Sood, Hong Xiao
IEEEARES
2007
IEEE
14 years 2 months ago
Reliability Markov Chains for Security Data Transmitter Analysis
Security communication systems composed of highly reliable components may have few if any failures while undergoing heavy testing or field-usage. This paper combines (i) analysis ...
Calin Ciufudean, Bianca Satco, Constantin Filote