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Aperiodic Complementary Sets of Sequences-Based MIMO Frequency Selective Channel Estimation
 

Summary: 1
Aperiodic Complementary Sets of Sequences-Based
MIMO Frequency Selective Channel Estimation
Shuangquan Wang, Student Member, IEEE, and Ali Abdi, Member, IEEE
Abstract-- Accurate estimation of MIMO frequency selective
fading channels is important for reliable communication. In
this letter, a new channel estimator which relies on aperiodic
complementary sets of sequences is proposed. Theoretical analysis
and Monte-Carlo simulation have shown that it achieves the
minimum possible Cram´er-Rao lower bound. A low-complexity
hardware implementation of the estimator is also provided.
Index Terms-- MIMO Channels, Aperiodic Complementary
Sets of Sequences, Channel Estimation, Frequency Selective
Fading.
I. INTRODUCTION
CHANNEL state information is required for coherent
detection at the receiver, which gives rise to the need
for accurate channel estimation. Training-based channel esti-
mation is widely used in most existing communication systems
because it offers less complexity and better performance,

  

Source: Abdi, Ali - Department of Electrical and Computer Engineering, New Jersey Institute of Technology

 

Collections: Engineering