Sciweavers

92 search results - page 2 / 19
» Timing and frequency synchronization for OFDM based cooperat...
Sort
View
VTC
2006
IEEE
175views Communications» more  VTC 2006»
13 years 10 months ago
Performance of an Adaptive Multiuser OFDM Uplink with Carrier Frequency Offsets
Using an OFDM based uplink for the future cellular network has been a controversial issue due to difficulties in time and frequency synchronization and high Peak-to-Average Power...
Wei Wang, Tony Ottosson, Tommy Svensson
VTC
2008
IEEE
103views Communications» more  VTC 2008»
13 years 11 months ago
On Synchronization of Opportunistic Radio OFDM Systems
—In this paper we present a study on pilot aided time and frequency synchronization for Opportunistic Radio (OR) OFDM systems which apply adaptive subcarrier allocation technique...
Marco Krondorf, Ting-Jung Liang, Gerhard Fettweis
IWCMC
2006
ACM
13 years 10 months ago
Uplink capacity comparison of non-perfect frequency synchronized cellular OFDM systems
Orthogonal frequency division multiplexing (OFDM) is very sensitive to frequency offsets which result in considerable interference. Performance of the system will be exacerbated ...
Shameem Kabir Chaudhury, Hrishikesh Venkataraman, ...
ICC
2007
IEEE
102views Communications» more  ICC 2007»
13 years 11 months ago
Frequency Domain Joint Estimation of Synchronization Parameter and Channel Impulse Response in Composite Radio Receiver
— In this paper, an innovative frequency domain joint estimation algorithm of synchronization parameter and channel impulse response (CIR) in Direct Sequence Code Division Multip...
Tianqi Wang, Cheng Li, Hsiao-Hwa Chen
VTC
2007
IEEE
13 years 11 months ago
A Novel Timing and Frequency Offset Estimation Scheme for OFDM Systems
— A novel structure of training symbol is proposed for orthogonal frequency division multiplexing (OFDM) systems. With the proposed training symbol, which has repeated sample blo...
Shun-Sheng Wang, Chih-Peng Li, Chin-Liang Wang