MIMO Transmission with Limited Feedback
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Citation: EURASIP Journal on Advances in Signal Processing 2008 2008:518950
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Scheduling for Multiuser MIMO Downlink Channels with Ranking-Based Feedback
We consider a multi-antenna broadcast channel with more single-antenna receivers than transmit antennas and partial channel state information at the transmitter (CSIT). We propose a novel type of CSIT represen...
Citation: EURASIP Journal on Advances in Signal Processing 2008 2008:854120 -
Antenna Subset Selection for Cyclic Prefix Assisted MIMO Wireless Communications over Frequency Selective Channels
Antenna (subset) selection techniques are feasible to reduce the hardware complexity of multiple-input multiple-output (MIMO) systems, while keeping the benefits of higher-order MIMO systems. Many studies of a...
Citation: EURASIP Journal on Advances in Signal Processing 2008 2008:716826 -
Feedback Quantization for Linear Precoded Spatial Multiplexing
This paper gives an overview and a comparison of recent feedback quantization schemes for linear precoded spatial multiplexing systems. In addition, feedback compression methods are presented that exploit the ...
Citation: EURASIP Journal on Advances in Signal Processing 2008 2008:683030 -
Stable Transmission in the Time-Varying MIMO Broadcast Channel
Both linear and nonlinear transmit precoding strategies based on accurate channel state information (CSI) can significantly increase available throughput in a multiuser wireless system. With propagation delay,...
Citation: EURASIP Journal on Advances in Signal Processing 2008 2008:617020 -
Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX with Limited Feedback
We evaluate the throughput performance of an OFDM WiMAX (IEEE 802.16-2004, Section 8.3) transmission system with adaptive modulation and coding (AMC) by outdoor measurements. The standard compliant AMC utilize...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:837102 -
Efficient Feedback via Subspace-Based Channel Quantization for Distributed Cooperative Antenna Systems with Temporally Correlated Channels
It is one of the biggest challenges of distributed cooperative antenna (COOPA) systems to provide base stations (BSs) with downlink channel information for transmit filtering (precoding). In this paper, we pro...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:847296 -
A Diversity Guarantee and SNR Performance for Unitary Limited Feedback MIMO Systems
A multiple-input multiple-output (MIMO) wireless channel formed by antenna arrays at the transmitter and at the receiver offers high capacity and significant diversity. Linear precoding may be used, along with...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:594928 -
Feedback Reduction in Uplink MIMO OFDM Systems by Chunk Optimization
The performance of multiuser MIMO systems can be significantly increased by channel-aware scheduling and signal processing at the transmitters based on channel state information. In the multipleantenna uplink ...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:597072 -
Time-Division Multiuser MIMO with Statistical Feedback
This paper investigates a time-division multiuser multiple-input multiple-output (MIMO) antenna system in -block flat fading where users...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:632134 -
A Design Framework for Scalar Feedback in MIMO Broadcast Channels
Joint linear beamforming and scheduling are performed in a system where limited feedback is present at the transmitter side. The feedback conveyed by each user to the base station consists of channel direction...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:574784 -
Uplink SDMA with Limited Feedback: Throughput Scaling
Combined space division multiple access (SDMA) and scheduling exploit both spatial multiplexing and multiuser diversity, increasing throughput significantly. Both SDMA and scheduling require feedback of multiu...
Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:479357