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Relay Precoding for Non-Regenerative MIMO Relay Systems with Partial CSI Feedback

This work considers a relay precoding problem in a non-regenerative multiple-input multiple-output (MIMO) relay system, and proposes the maximum eigenmode relaying (MER) scheme, which allocates the relay transmit power only to the maximum Eigenmode.
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Blind adaptive constrained moe receiver for uplink MC-CDMA systems with real signaling in multi-cell environments

Results of analysis and simulation show that the proposed blind adaptive algorithm converges faster and has a higher steadystate signal-to-interference and noise ratio (SINR) than those of conventional schemes.
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Fast Convergent LMS Adaptive Receiver for MC-CDMA Systems with Space-Time Block Coding

For multicarrier code-division multiple access (MC-CDMA) systems employing Alamouti's simple space-time block coding, a modified MSE cost function is presented and an improved least mean-square (LMS) adaptive receiver is proposed.
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Frequency offset estimation and multiuser detection for MC-CDMA systems

We propose a joint scheme for multicarrier code-division multiple access (MC-CDMA) systems; it jointly estimates the frequency offset for the desired user and eliminates multiuser interference (MUI).…
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LMS adaptive receiver for uplink space-time coded MC-CDMA systems

The proposed LMS adaptive receiver for uplink multicarrier code-division multiple access (MC-CDMA) systems employing Alamouti's simple space-time block coding (STBC) has higher steady-state signal to interference and noise ratio (SINR) and shows slower convergence rate than the former.
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Joint Optimization of User Set Selection and Transmit Power Allocation for Orthogonal Random Beamforming in Multiuser MIMO Systems

To improve the performance of the ORBF scheme, the user set and transmit power allocation are jointly determined to maximize sum rate under the total transmit power constraint.
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SINR Lower Bound Based Multiuser Detector for Uplink MC-CDMA Systems with Residual Frequency Offset

  • Bangwon Seo
  • Business
    IEEE Communications Letters
  • 7 September 2012
Simulation results show that the proposed scheme has better SINR and bit error rate (BER) performances in a high signal-to-noise ratio (SNR) region than a conventional minimum mean square error (MMSE) receiver that ignores the NRFO.
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Joint design of precoder and receiver in cognitive radio networks using an MSE criterion

  • Bangwon Seo
  • Computer Science, Business
    Signal Processing
  • 1 November 2011
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Blind adaptive receiver for uplink multiuser massive MIMO systems

A new blind adaptive algorithm is proposed for implementing the minimum output variance‐based optimal filters in uplink multiuser massive multiple‐input multiple‐output systems when multiple users transmit information symbols to a base station by applying simple space‐time block coding.
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Precoder design in cognitive radio networks with channel covariance information

  • Bangwon Seo
  • Computer Science
    Signal Processing
  • 1 December 2012
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