Linear Precoding for MIMO Channels with Outdated Channel State Information in Multiuser Space-Time Block Coded Systems with Multi-Packet Reception

We propose a joint set of linear precoder designs for single cell uplink multiuser space-time block coded multiple- input multiple-output systems with multi-packet reception by exploiting outdated channel state information. By deriving the pairwise error probability with respect to both minimum and...

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Bibliographic Details
Published in:IEEE transactions on wireless communications Vol. 7; no. 6; pp. 2300 - 2306
Main Authors: Au, E.K.S., Huang, J.W., Lau, V.K.N.
Format: Journal Article
Language:English
Published: Piscataway, NJ IEEE 01.06.2008
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Applied sciences
Asymptotic properties
Block codes
Blocking
Channel state information
Channels
Closed-form solution
Constraint optimization
Design engineering
Design optimization
Distributed algorithms
Exact sciences and technology
Exact solutions
Information analysis
Iterative algorithms
Mathematical analysis
MIMO
Optimization
Pairwise error probability
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Performance evaluation
MIMO system
Multiple access
Block code
Space-time codes
Parameter estimation
Error probability
Iterative method
Optimization
Simulation
Coding
Channel estimation
Distributed algorithm
Metric
MIMO
multiuser
Uplink
linear precoder
Channel state information
ISSN:1536-1276, 1558-2248
Online Access:Get full text
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Description
Summary:We propose a joint set of linear precoder designs for single cell uplink multiuser space-time block coded multiple- input multiple-output systems with multi-packet reception by exploiting outdated channel state information. By deriving the pairwise error probability with respect to both minimum and average codeword distance design metrics, we formulate the design as an optimization problem subject to transmit power constraint for each user. Due to the non-convex nature of the optimization problem, we devise an iterative algorithm to solve for linear precoding structure for general space-time block code. For orthogonal space-time block code, we also propose a simplified distributed algorithm to solve for a closed-form solution. Asymptotic analysis on the effect of quality of the outdated channel state information (CSI) on the precoder structure is also presented. Simulation results are provided to demonstrate the effectiveness of the proposed designs for different space-time block codes at various CSI qualities.
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ISSN:1536-1276
1558-2248
DOI:10.1109/TWC.2008.070029