26 search results - page 5 / 6 » IQ Space Frequency Time Codes for MIMO-OFDM Systems |
ETT
2006
13 years 6 months ago
2006
: Cyclic Delay Diversity (CDD) was introduced in 2001 to obtain spatial diversity in an Orthogonal Division Multiplexing (OFDM) based transmission system. In contrast to Space-Time...
CEE
2010
13 years 6 months ago
2010
Abstract-- The paper examines the implementation of QuasiOrthogonal Space-Time-Frequency Codes (QOSTFCs) to increase data rates and error performance in recently proposed STFC Mult...
CORR
2006
Springer
13 years 6 months ago
2006
Springer
This paper deals with orthogonal Space-Time Block Coded MC-CDMA systems, in outdoor realistic downlink scenarios with up to two transmit and receive antennas. Assuming no channel s...
INFOCOM
2003
IEEE
13 years 11 months ago
2003
IEEE
— It has been clear since 1988 that self-propagating code can quickly spread across a network by exploiting homogeneous security vulnerabilities. However, the last few years have...
VTC
2008
IEEE
14 years 19 days ago
2008
IEEE
—The EU WINNER projects have studied OFDM-based packet data systems beyond 3G that use adaptivity on all timescales to obtain high flexibility and performance. The adaptive trans...