Sciweavers

317 search results - page 4 / 64
» Channel Estimation for Non-Line-of-Sight WiMax Communication...
Sort
View
ICC
2007
IEEE
172views Communications» more  ICC 2007»
13 years 11 months ago
Cell Mobility Based Admission Control for Wireless Networks with Link Adaptation
— Link adaptation is one of the key technologies used in high speed wireless networks such as HSDPA and mobile WiMAX. The dynamic feature of mobile users’ channel capacities br...
Jing Li, Srinivas Sampalli
PIMRC
2010
IEEE
13 years 3 months ago
Cognitive Beacon Channel via GSM and UMTS
This paper proposes the utilization of GSM logical channels (RACH, AGCH and TCH) and UMTS signaling (MIB and SIBs) of the Broadcast Channel to transmit a Cognitive Beacon Channel (...
Rodrigo Soule de Castro, Philippe Godlewski, Phili...
JCM
2008
100views more  JCM 2008»
13 years 5 months ago
Four Transmit Diversity Schemes for Coded OFDM Systems with Four Transmit Antennas
We compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely cyclic shift diversity ...
Chau Yuen, Yan Wu, Sumei Sun
IWCMC
2009
ACM
13 years 12 months ago
Effect of feedback prediction on OFDMA system throughput
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...
Mohammad Abdul Awal, Lila Boukhatem
TSP
2010
13 years 12 hour ago
Timing estimation and resynchronization for amplify-and- forward communication systems
Abstract--This paper proposes a general framework to effectively estimate the unknown timing and channel parameters, as well as design efficient timing resynchronization algorithms...
Xiao Li, Chengwen Xing, Yik-Chung Wu, S. C. Chan