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An overview of limited feedback in wireless communication systems
2008
IEEE Journal on Selected Areas in Communications
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are judiciously designed. ...
We review work in systems using various combinations of single antenna, multiple antenna, narrowband, broadband, single-user, and multiuser technology. ...
ACKNOWLEDGEMENTS The authors would like to thank Nihar Jindal, Kyeongyeon Kim, Marios Kountouris, Vasanthan Raghavan, Shahab Sanayei, and Randa Zakhour for reviewing this document. ...
doi:10.1109/jsac.2008.081002
fatcat:ko5kyqjpsbag5lkril7c75ahly
What is the value of limited feedback for MIMO channels?
2004
IEEE Communications Magazine
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In par-ticular, channel quantization has been employed for multiple-input single-output (MISO) beamforming [9, 10] and MIMO precoded orthogonal space-time block codes [11] . ...
The space-time block codeword (whether it be spatial multiplexing, orthogonal space-time block coding, etc.) is generated independent of the channel. ...
doi:10.1109/mcom.2004.1341261
fatcat:hz4yszo3vngb7k6ojqm35flr5y
MIMO Transmission with Limited Feedback
2008
EURASIP Journal on Advances in Signal Processing
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Nevertheless, adaptive modulation and coding (AMC) schemes, selective space-time coding, as well as antenna selection have shown that significant improvements are achievable even with very limited feedback ...
Particularly, the sum rates of SDMA and time-division multiple access (TDMA) are compared in the extreme regimes: large number of users, high SNR, and low SNR. ...
Huang et al. focus on uplink space division multiple access with limited feedback. Their paper is entitled "Uplink SDMA with limited feedback: throughput scaling." ...
doi:10.1155/2008/518950
fatcat:okyhyovgdjhdbh7ixmsm6mwid4
Space Division Multiple Access With a Sum Feedback Rate Constraint
2007
IEEE Transactions on Signal Processing
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To address this problem, a novel space division multiple access (SDMA) design is proposed, where the sum feedback rate is upper-bounded by a constant. ...
This design consists of algorithms for CSI quantization, threshold based CSI feedback, and joint beamforming and scheduling. ...
multiple access (OFDMA), time division multiple access (TDMA), or code division multiple access (CDMA) [34] . ...
doi:10.1109/tsp.2007.894245
fatcat:372ksnsfyjfh5ooqlvdhlm5qby
Combining Beamforming and Space-Time Coding Using Quantized Feedback
2008
IEEE Transactions on Wireless Communications
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REPORT DOCUMENTATION PAGE Form Approved OMB NO. 0704-0188 Public Reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions ...
Send comment regarding this burden estimates or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for ...
ACKNOWLEDGMENT The authors would like to thank anonymous reviewers for their constructive comments that have improved the quality of presentation of this paper. ...
doi:10.1109/twc.2008.060659
fatcat:jyfaeohpc5gb5niydyjwtd5zwq
An Enhanced Feedback Scheme for Extended Orthogonal Space-Frequency Block Coded MISO-OFDM Systems
2008
2008 IEEE Sarnoff Symposium
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The proposed technique utilizes OFDM to transform frequency selective fading channels into multiple flat fading sub-channels on which space-frequency coding is applied. ...
A simple extended orthogonal space-frequency coded multiple input single output (MISO) orthogonal frequency division multiplexing (OFDM) transmitter diversity technique for wireless communications over ...
Space-time coded OFDM (ST-OFDM) systems [4] [5], have been proposed for frequency selective fading channels. ...
doi:10.1109/sarnof.2008.4520125
fatcat:353nltwmyzganljcnbmgqfy6wq
Power control in wireless interference networks with limited feedback
2012
2012 International Symposium on Wireless Communication Systems (ISWCS)
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Our results show that even with limited number of feedback bits, by performing power control the considered interference alignment scheme can outperform the conventional time-division-multiple-access scheme ...
Quantized channel gains are globally available through limited feedback signals. ...
Our results show that even with limited number of feedback bits, by performing power control the considered interference alignment scheme can outperform the conventional time-division-multiple-access scheme ...
doi:10.1109/iswcs.2012.6328452
dblp:conf/iswcs/FarhadiWS12
fatcat:rekmir7ccvae7bbxwvl37chwa4
Versatile Precoder Codebook Design Method for Orthogonal Space-Time Block Codes
2006
2006 IEEE International Symposium on Information Theory
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This paper proposes a versatile precoder codebook design method that works well for general situations, i.e. spatially correlated communication channels and feedback channels with delay, using feedback ...
This method finds a good codebook by directly quantizing a codebook (not a channel realization) with error probability as a performance measure. ...
Although this paper focuses on closed-loop orthogonal space-time block codes (O-STBCs) because of the attractive properties (e.g. full diversity, low-complexity maximum likelihood decoding), we start with ...
doi:10.1109/isit.2006.261698
dblp:conf/isit/KangS06
fatcat:ag4cqo5j5vcrdlaeqr73mgvcx4
Feedback Compression for Correlated Broadcast Channels
2007
2007 14th IEEE Symposium on Communications and Vehicular Technology in the Benelux
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In this paper we apply Predictive Vector Quantization (PVQ) to quantize time-correlated broadcast channels. ...
PVQ exploits the time-correlation of the channel to reduce the quantization error of the channels, and thus to improve the sum rate of the system. ...
INTRODUCTION Space division multiple access (SDMA) has emerged in the last years as an attractive transmission scheme for multipleinput multiple-output (MIMO) broadcast channels [1] , [2] . ...
doi:10.1109/scvt.2007.4436258
fatcat:4dnmetkulvbhhjwlrciisxp3ye
Noncoherent trellis-coded quantization for massive MIMO limited feedback beamforming
2013
2013 Information Theory and Applications Workshop (ITA)
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Most prior work assumes that the channel estimates required for precoder design are obtained by exploiting reciprocity in time division duplexed (TDD) systems. ...
Massive multiple-input multiple-output (MIMO) techniques are regarded as a potential breakthrough in cellular network design, with transmit precoding to multiple downlink users playing a central role in ...
There has been significant recent interest, however, in a paradigm shift from single-user (SU) MIMO to multi-user (MU) MIMO systems [1] with aggressive use of space division multiple access to increase ...
doi:10.1109/ita.2013.6502953
dblp:conf/ita/ChoiCLM13
fatcat:fk4h6r2txjhbteg5blv5cdphrm
Spatial Interference Alignment with Limited Precoding Matrix Feedback in a Wireless Multi-User Interference Channel for Smart Grids
2022
Energies
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This paper provides the sufficient conditions of spatial interference alignment operating with limited precoding matrix feedback for a K-user MIMO interference channel. ...
With the expansion of wireless networks and the increase of access devices, interference has become a major problem that limits the performance of cellular wireless communication systems for smart grids ...
A groupingbased IA was conceived of in [33] with optimized IA-cell assignment for the multiple cells with a MIMO multiple access channel (MAC) network under limited-rate feedback. ...
doi:10.3390/en15051820
fatcat:44n5xnka3zcvtjcp2kjavngxwy
Bit Allocation Law for Multiantenna Channel Feedback Quantization: Single-User Case
2011
IEEE Transactions on Signal Processing
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This paper studies the design and optimization of a limited feedback single-user system with multiple-antenna transmitter and single-antenna receiver. ...
The paper shows that for channels in the real space, the asymptotically optimal number of direction quantization bits should be (M-1)/2 times the number of magnitude quantization bits, where M is the number ...
Wideband Code Division Multiple Access (WCDMA) system standards [28] . ...
doi:10.1109/tsp.2011.2113178
fatcat:xlec4kgwg5e4fhrllwiyjqjrg4
Robust$H_infty$Power Control for CDMA Cellular Communication Systems
2006
IEEE Transactions on Signal Processing
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In order to track the desired signal-to-interference-plus-noise ratio (SINR) under round-trip delay, multiple access interference (MAI), channel fading, and noise, a time delay-based state-space model ...
Power control is an important factor for direct-sequence code division multiple access (DS-CDMA) cellular radio systems to achieve higher communication link quality and better system capacity. ...
A time delay-based state-space power tracking error dynamical model is proposed and a robust tracking design with state feedback control is developed. ...
doi:10.1109/tsp.2006.880237
fatcat:qkspg7ezujcbxbslw7uiwejeom
Time-domain compression of complex-baseband LTE signals for cloud radio access networks
2013
2013 IEEE Global Conference on Signal and Information Processing
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Our contributions include (i) design of a low-complexity compression method for LTE and (ii) validation of this method using an LTE link-level simulation. ...
Current CPRI links already have insufficient capacity to support 20 MHz bandwidth LTE for a basestation with three sectors and four antennas per sector. ...
Fig. 5 . 5 Coded bit-error-rate (BER) for time-domain compression methods applied on LTE (a) downlink signals with CQI = 15, bandwidth = 5 MHz, AGWN channel and (b) uplink signals with CQI = 15, bandwidth ...
doi:10.1109/globalsip.2013.6737122
dblp:conf/globalsip/NiemanE13
fatcat:mq6er5n62zhm5fvjbf3x4tkmcm
MIMO techniques in WiMAX and LTE: a feature overview
2010
IEEE Communications Magazine
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Furthermore, in line-of-sight scenarios with closely spaced antennas, the beam pattern is wide in space, and thus allows the beam to cover a high-speed terminal for several time frames. ...
are coded together instead of two adjacent time slots. ...
doi:10.1109/mcom.2010.5458368
fatcat:mh5j3i5uejcovaf5kvh5anujti
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