Sciweavers

4356 search results - page 298 / 872
» Communicating Transactions - (Extended Abstract)
Sort
View
172
Voted
GLOBECOM
2009
IEEE
16 years 1 months ago
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
Abstract—This paper studies large randomly spread directsequence code-division multiple-access system operating over a block fading multipath channel. Channel knowledge is obtain...
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. M&uu...
182
Voted
GLOBECOM
2009
IEEE
16 years 1 months ago
SNR Estimation for a Non-Coherent Binary Frequency Shift Keying Receiver
Abstract—This paper deals with the problem of estimating average signal-to-noise ratio (SNR) for a communication system employing non-coherent binary frequency shift keying (NCBF...
Syed Ali Hassan, Mary Ann Ingram
191
Voted
GLOBECOM
2009
IEEE
16 years 1 months ago
Collaborative Quickest Spectrum Sensing via Random Broadcast in Cognitive Radio Systems
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...
Husheng Li, Huaiyu Dai, Chengzhi Li
ICC
2009
IEEE
128views Communications» more  ICC 2009»
16 years 1 months ago
An Improved Split-Row Threshold Decoding Algorithm for LDPC Codes
Abstract— We present an improved thresholding LDPC decoding algorithm which outperforms the Split-Row and original Split-Row Threshold decoders with a small increase in hardware....
Tinoosh Mohsenin, Dean Truong, Bevan M. Baas
ICC
2009
IEEE
127views Communications» more  ICC 2009»
16 years 1 months ago
Dynamic Coexistence of Frequency Hopping Networks Using Parallel and Gaussian Allocations
Abstract—This paper studies the coexistence of several independent and dynamic wireless networks using the frequency hopping technique in the unlicensed radio band. We propose a ...
Mohammad Masud Hasan, Ravi Prakash, Jason P. Jue