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HUC
2003
Springer
14 years 29 days ago
Very Low-Cost Sensing and Communication Using Bidirectional LEDs
A novel microprocessor interface circuit is described which can alternately emit and detect light using only an LED, two digital I/O pins and a single current limiting resistor. T...
Paul H. Dietz, William S. Yerazunis, Darren Leigh
INFOCOM
2002
IEEE
14 years 21 days ago
Energy Efficient Communications in Ad Hoc Networks Using Directional Antennas
— Directional antennas can be useful in significantly increasing node and network lifetime in wireless ad hoc networks. In order to utilize directional antennas, an algorithm is ...
Akis Spyropoulos, Cauligi S. Raghavendra
ICC
2000
IEEE
123views Communications» more  ICC 2000»
14 years 5 days ago
Design of Adaptive Bit Interleaved TCM for Rayleigh Fading Channels
fixed rate coding in terms of SNR and average throughput was obtained. In fact, the concept of variable rate adaptive In this paper, we propose a bandwidth efficient error cor- cod...
Vincent K. N. Lau
COMCOM
2006
138views more  COMCOM 2006»
13 years 7 months ago
Reducing memory fragmentation in network applications with dynamic memory allocators optimized for performance
The needs for run-time data storage in modern wired and wireless network applications are increasing. Additionally, the nature of these applications is very dynamic, resulting in ...
Stylianos Mamagkakis, Christos Baloukas, David Ati...
IJNSEC
2006
200views more  IJNSEC 2006»
13 years 7 months ago
3G and WLAN Interworking Security: Current Status and Key
The third-generation (3G) mobile communication systems provide great coverage, complete subscriber management and nearly universal roaming. Nevertheless, 3G systems are subject to...
Chou Chen Yang, Kuan-Hao Chu, Ya-Wen Yang