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GLOBECOM
2009
IEEE
16 years 1 months ago
A Practical Approach for Providing QoS in Multichannel Ad-Hoc Networks Using Spectrum Width Adaptation
Abstract—Multichannel wireless networks provide the flexibility to utilize the available spectrum efficiently for achieving improved system performance in terms of throughput a...
Vijay Raman, Matthew C. Caesar
VTC
2007
IEEE
125views Communications» more  VTC 2007»
16 years 24 days ago
Joint Source Coding, Unity Rate Precoding and FFH-MFSK Modulation Using Iteratively Decoded Irregular Variable Length Coding
— Serially concatenated and iteratively decoded Irregular Variable Length Coding (IrVLC) combined with precoded Fast Frequency Hopping (FFH) M-ary Frequency Shift Keying (MFSK) i...
Sohail Ahmed, Robert G. Maunder, Lie-Liang Yang, S...
JSAC
2006
92views more  JSAC 2006»
15 years 6 months ago
Performance of UWB PSK systems using fully saturated power amplifiers
Abstract--This paper studies the performance of ultra-wideband (UWB) radio communications systems employing phase shift keying (PSK) modulation and fully saturated power amplifiers...
Jia Li, Qingchong Liu, D. P. Taylor
JCS
2011
87views more  JCS 2011»
15 years 1 months ago
Practical eavesdropping and skimming attacks on high-frequency RFID tokens
RFID systems often use near-field magnetic coupling to implement communication channels. The advertised operational range of these channels is less than 10 cm and therefore sever...
Gerhard P. Hancke
CORR
2008
Springer
122views Education» more  CORR 2008»
15 years 6 months ago
To Code or Not To Code in Multi-Hop Relay Channels
Multi-hop relay channels use multiple relay stages, each with multiple relay nodes, to facilitate communication between a source and destination. Previously, distributed space-tim...
Rahul Vaze, Robert W. Heath Jr.