Title page for ETD etd-06182003-151603

Type of Document Master's Thesis
Author Park, Mincheol
URN etd-06182003-151603
Title Performance Evaluation of Multiuser Detectors with V-BLAST to MIMO Channel
Degree Master of Science
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Woerner, Brian D. Committee Chair
Reed, Jeffrey Hugh Committee Member
Tranter, William H. Committee Member
  • MIMO
  • Multiuser receiver
Date of Defense 2003-05-21
Availability unrestricted
In this thesis, we evaluate the performance of multi-user detectors over an uplink using AWGN,

Rayleigh flat fading single-input single-output (SISO) and multiple-input multiple-output (MIMO)

channel models. First, we review the performance of three multiuser receivers; the decorrelator, the

MMSE receiver and the multistage parallel interference cancellation receiver in an AWGN and

Rayleigh flat fading SISO channel. Next, the V-BLAST algorithm is reviewed and the error

propagation of this algorithm is investigated. Then, the V-BLAST algorithm is combined with

multiuser receivers to achieve high channel capacity while sharing the spectral resources over a

MIMO channel. A bias reduction technique is considered for multistage parallel interference

cancellation receiver on both SISO and MIMO channel. Finally, the effect of channel estimation

error and timing delay estimation error is evaluated for MIMO systems with multiple users.

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