Search Results - "Krzymien, W.A."

Simplified Fair Scheduling and Antenna Selection Algorithms for Multiuser MIMO Orthogonal Space-Division Multiplexing Downlink by Sigdel, S., Krzymien, W.A.

“…We consider the downlink of a multiuser multiple-input multiple-output (MIMO) system, where the base station and the mobile receivers are equipped with…”
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Downlink Scheduling via Genetic Algorithms for Multiuser Single-Carrier and Multicarrier MIMO Systems With Dirty Paper Coding by Elliott, R.C., Krzymien, W.A.

“…Multiple-input-multiple-output (MIMO) systems are of interest for meeting the expected demand for higher data rates and lower delays in future wireless packet…”
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A Novel Nonlinear Joint Transmitter-Receiver Processing Algorithm for the Downlink of Multiuser MIMO Systems by Jia Liu, Krzymien, W.A.

“…This paper focuses on signal processing algorithms for the downlink of multiuser multiple-input multiple-output (MIMO) systems with multiple-antenna mobiles. A…”
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System Design and Throughput Analysis for Multihop Relaying in Cellular Systems by Jacobson, K.R., Krzymien, W.A.

“…Wireless multihop relaying can provide a great improvement in systemwide throughput and coverage in a cellular system. However, since additional resources…”
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Precoding for Orthogonal Space-Time Block-Coded OFDM Downlink: Mean or Covariance Feedback? by Yu Fu, Krzymien, W.A., Tellambura, C.

“…This paper presents linear and nonlinear precoding design for error-rate improvement in orthogonal space-time block-coded (OSTBC)…”
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Efficient Sum Rate Maximization and Resource Allocation in Block-Diagonalized Space-Division Multiplexing by Boon Chin Lim, Krzymien, W.A., Schlegel, C.

“…For space-division multiplexing (SDM) via block diagonalization on multiuser multiple-input multiple-output (MIMO) wireless downlink, it is shown that receive…”
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Adaptive Hybrid ARQ Systems With BCJR Decoding by Mielczarek, B., Krzymien, W.A.

“…We propose and evaluate a novel method of constructing Hybrid Automatic Repeat reQuest (HARQ) systems using the specific properties of the Bahl, Cocke,…”
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A Technique for Multiuser and Intercarrier Interference Reduction in Multiple-Antenna Multiuser OFDM Downlink by Yu Fu, Krzymien, W.A., Tellambura, C.

“…We propose a two-stage precoder/equalizer to suppress intercarrier interference (ICI) and multiuser interference (MUI) in downlink multiuser OFDM with multiple…”
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Low-density parity-check codes for space-time wireless transmission by Li, G., Fair, I.J., Krzymien, W.A.

“…Irregular low-density parity-check (LDPC) codes have shown exceptionally good performance for single antenna systems over a wide class of channels. In this…”
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A Gaussian Symbol-Level Model for CDMA Forward Link Intracell Interference by Messier, G.G., Krzymien, W.A.

“…This paper presents a Gaussian approximation for intracell interference on the forward link of a code division multiple access system with fast power control…”
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Performance of turbo coding with improved interference estimation on the CDMA space time transmit diversity forward link by Messier, G.G., Krzymien, W.A.

“…This paper proposes an approach to improve turbo code performance on the space time transmit diversity (STTD) code-division multiple-access (CDMA) forward link…”
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Improving channel decoder performance on the CDMA forward link by Messier, G.G., Krzymien, W.A.

“…This work improves channel decoder performance on the code-division multiple-access (CDMA) forward link through more accurate calculation of the channel code…”
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Improved channel decoding for the CDMA forward link chip-level LMMSE receiver by Messier, G.G., Krzymien, W.A.

“…This paper investigates how to improve channel decoder trellis path metric calculations when convolutional or turbo codes are combined with the chip-level…”
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Improved MAC protocol for reverse link packet data transmission in wideband DS-CDMA by Hang, R., Krzymien, W.A., Despins, C.L.

“…This paper introduces and analyses a novel medium access control protocol for reverse links in wideband direct-sequence code-division multiple-access (DS-CDMA)…”
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Rapid acquisition algorithms for synchronization of bursty transmissions in CDMA microcellular and personal wireless systems by Krzymien, W.A., Jalali, A., Mermelstein, P.

“…Two rapid synchronization acquisition algorithms applicable to spread spectrum links of code division multiple access (CDMA) personal communication systems are…”
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Density Evolution for Nonbinary LDPC Codes Under Gaussian Approximation by Ge Li, Fair, I.J., Krzymien, W.A.

“…This paper extends the work on density evolution for binary low-density parity-check (LDPC) codes with Gaussian approximation to LDPC codes over GF(q) . We…”
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On the Optimality of Multiuser Zero-Forcing Precoding in MIMO Broadcast Channels by Kaviani, S., Krzymien, W.A.

“…In this paper, we consider a multiuser Gaussian broadcast channel where the base station and the users both are equipped with multiple antennas. The problem of…”
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Sensitivity of the MC-CDMA access scheme to carrier phase noise and frequency offset by Tomba, L., Krzymien, W.A.

“…The combination of multicarrier (MC) modulation and code-division multiple access (CDMA) is seen as a very promising technique for the development of…”
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Efficient User Selection and Ordering Algorithms for Successive Zero-Forcing Precoding for Multiuser MIMO Downlink by Sigdel, S., Krzymien, W.A.

“…In this paper we consider user scheduling problem for linearly preceded multiuser multiple-input multiple-output (MIMO) downlink, where base station as well as…”
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Improved Tomlinson-Harashima precoding for the downlink of multiple antenna multi-user systems [mobile radio applications] by Liu, J., Krzymien, W.A.

“…In this paper, the Tomlinson-Harashima precoding (THP) algorithm is studied for use on the downlink of multiple antenna multi-user systems. Based on the…”
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