NDLI: Antenna selection for space-time coded systems with imperfect channel estimation

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Table of contents - Feb. 2007, Vol 6 No 2

Receive antenna selection for MIMO-SM systems with linear MMSE receivers in the presence of unknown interference

Delay sensitive scheduling schemes for heterogeneous QoS over wireless networks

Blind acquisition of short burst with per-survivor processing

Low complexity adaptive power and subcarrier allocation for OFDMA

Low-complexity iterative channel estimation for serially concatenated systems over frequency-nonselective Rayleigh fading channels

An iterative groupwise multiuser detector for overloaded MIMO applications

On the average crossing rates in selection diversity

Tight closed-form approximation for the ergodic capacity of orthogonal STBC

On the performance of random vector quantization limited feedback beamforming in a MISO system

Computer design of super-orthogonal space-time trellis codes

Power-based admission control for multiclass calls in QoS-sensitive CDMA networks

Evaluation of error probabilities in the presence of timing errors and fading

Space and network diversity combination for masked node collision resolution in wireless ad hoc network

Turbo space-time codes with time varying linear transformations

Performance analysis of b-bit digital receivers for TR-UWB systems with inter-pulse interference

Soft input soft output Kalman equalizer for MIMO frequency selective fading channels

Call admission control for an adaptive heterogeneous multimedia mobile network

Minimum estimation and combining generalized selection combining (MEC-GSC)

Cooperative relaying in multi-antenna fixed relay networks

Compensation of non-reciprocal interference in adaptive MIMO-OFDM cellular systems

Enhancing the performance of medium access control for WLANs with multi-beam access point

Efficient statistical parallel interference cancellation for DS-CDMA in Rayleigh fading channels

On the cramer-rao bound for carrier frequency estimation in the presence of phase noise

Power controlled channel allocation for multiuser multiband UWB systems

Symbol detection in V-BLAST architectures under channel estimation errors

Adaptive frequency rolling for coexistence in the unlicensed band

Parallel interference cancellation based turbo space-time equalization in the SDMA uplink

MEERA: cross-layer methodology for energy efficient resource allocation in wireless networks

Iterative detection and frequency synchronization for OFDMA uplink transmissions

Estimation of Ricean K parameter and local average SNR from noisy correlated channel samples

Fundamental limits of spectrum-sharing in fading environments

A new ranging method for OFDMA systems

Throughput scaling in wireless networks with restricted mobility

Effective packet scheduling with fairness adaptation in ultra-wideband wireless networks

Turbo equalization with nonlinear Kalman filtering for time-varying frequency-selective fading channels

A new call admission control method for providing desired throughput and delay performance in IEEE802.11e wireless LANs

Antenna selection for space-time coded systems with imperfect channel estimation

On the error performance of wireless systems with frequency selective fading and receiver timing phase offset

Modified data-pilot-multiplexed schemes for OFDM systems

Modeling path capacity in multi-hop IEEE 802.11 networks for QoS services

Multilevel sequential monte carlo algorithms for MIMO demodulation

Turbo frequency domain equalization for single-carrier broadband wireless systems

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Antenna selection for space-time coded systems with imperfect channel estimation

Content Provider	IEEE Xplore Digital Library
Author	Ma, Q. Tepedelenlioglu, C.
Copyright Year	2002
Abstract	This paper studies the performance of antenna selection (AS) for space-time (ST) coded systems with noisy channel estimates. For coherent AS systems over Rayleigh flat fading channels, we derive the pairwise error probability (PEP) in the presence of imperfect channel estimation, where the channel is estimated using training insertion and minimum mean square error (MMSE) estimation. Multiplexed training is employed, where the antennas are multiplexed to the small number of RF chains available in the AS system. AS is performed only at the receiver, using the maximum estimated channel power selection rule. Both the maximum likelihood (ML) decoder taking into account the channel estimation error, and the minimum distance decoder are considered, and full diversity gain is shown to be preserved for both cases. Based on the derived training-based PEP, the effective SNR and the coding gain loss due to training are quantified for square unitary and orthogonal codes. The optimal power allocation between the training and data symbols is obtained by minimizing the PEP. For AS systems employing orthogonal designs, we further derive the exact PEP expression in closed-form. We also show that when square unitary training is employed, AS using the norm of MMSE channel estimates is equivalent to AS using the norm (power) of the received signal. Exploiting this fact, we propose an alternate training scheme which avoids multiplexing, has higher spectral efficiency, and better performance compared to the multiplexed training scheme. Simulations are shown to validate our analysis
File Size	463410
File Format	PDF
ISSN	15361276
Volume Number	6
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel estimation Maximum likelihood estimation Maximum likelihood decoding Fading Pairwise error probability Mean square error methods Estimation error Radio frequency Diversity methods Analytical models
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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