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Approaching MIMO-OFDM Capacity with Per Antenna Power and Rate Feedback

Rui Zhang, John Cioffi, Ying-chang Liang
2006 2006 IEEE International Conference on Communications  
a per-antenna-based power and rate feedback scheme, termed the "closed-loop" V-BLAST, for which the receiver jointly optimizes the power and rate assignments for all transmit antennas, and then returns  ...  Furthermore, this paper shows that the per-antenna-based power and rate control can be readily modified to combine with the conventional linear MIMO transmit precoding technique as an efficient and capacity-approaching  ...  While this is an idealized assumption for the open-loop V-BLAST, it becomes more valid in the case of the closed-loop V-BLAST because of the per-antenna power and rate control.  ... 
doi:10.1109/icc.2006.255511 dblp:conf/icc/0006CL06 fatcat:27perl6xijfddit3zt7ga745zi

Approaching MIMO-OFDM Capacity with Per-Antenna Power and Rate Feedback

Rui Zhang, Ying-chang Liang, Ravi Narasimhan, John Cioffi
2007 IEEE Journal on Selected Areas in Communications  
a per-antenna-based power and rate feedback scheme, termed the "closed-loop" V-BLAST, for which the receiver jointly optimizes the power and rate assignments for all transmit antennas, and then returns  ...  Furthermore, this paper shows that the per-antenna-based power and rate control can be readily modified to combine with the conventional linear MIMO transmit precoding technique as an efficient and capacity-approaching  ...  While this is an idealized assumption for the open-loop V-BLAST, it becomes more valid in the case of the closed-loop V-BLAST because of the per-antenna power and rate control.  ... 
doi:10.1109/jsac.2007.070903 fatcat:54h5554ccvgopmk25rbjapn55q

Low complexity per-antenna rate and power control approach for closed-loop V-BLAST

Hairuo Zhuang, Lin Dai, Shidong Zhou, Yan Yao
2003 IEEE Transactions on Communications  
Previous studies have shown that per-antenna rate and power control can greatly increase the data throughput of vertical Bell Labs layered space-time (V-BLAST), while an extra transmit antenna selection  ...  In this letter, we combine the transmit antenna selection with power and rate control of each antenna.  ...  Thus, in this letter, we are motivated to improve the transmission quality of V-BLAST using simple per-antenna rate and power control when the information rate is predetermined.  ... 
doi:10.1109/tcomm.2003.819227 fatcat:bkmjtcq4vjbplc4h7xfr2wuzci

Approaching the MIMO Capacity with a Low-Rate Feedback Channel in V-BLAST

Seong Taek Chung, Angel Lozano, Howard C Huang, Arak Sutivong, John M Cioffi
2004 EURASIP Journal on Advances in Signal Processing  
We propose the successive quantization with power control (SQPC) and successive rate and power quantization (SRPQ) algorithms. In SQPC, rate quantization is performed with continuous power control.  ...  This theoretical framework is used as a basis for the proposed algorithms whereby rate and power information for each transmit antenna is acquired via a low-rate feedback channel.  ...  We show that with per-antenna rate and power control, V-BLAST achieves higher performance than the other open-loop schemes. Moreover, V-BLAST with PARC attains the open-loop MIMO capacity.  ... 
doi:10.1155/s1110865704312035 fatcat:fec5plcunzbx5meqk5sr5j7pja

Approaching MIMO-OFDM Capacity With Zero-Forcing V-BLAST Decoding and Optimized Power, Rate, and Antenna-Mapping Feedback

Rui Zhang, J.M. Cioffi
2008 IEEE Transactions on Signal Processing  
A closed-loop V-BLAST extension is presented whereby transmit powers, rates, and antenna mappings for multiple data streams at different OFDM tones are jointly optimized at the receiver and then returned  ...  Two low-complexity algorithms for optimization of feedback parameters are proposed: one is based on the Lagrange dual-decomposition method and the other is a greedy algorithm.  ...  The greedy algorithm with , the per-antenna power feedback, and the full rate feedback are assumed for the closed-loop V-BLAST, and the 4 4 case is considered.  ... 
doi:10.1109/tsp.2008.928965 fatcat:r6ansxavebhczcpdadv4hh72uq

Unified Optimal Power Allocation Strategy for MIMO Candidates in 3GPP HSDPA

Sungjin James Kim, Hojin Kim, Kwang Bok Lee
2005 ETRI Journal  
Furthermore, we present the unified optimal power allocation strategy for HSDPA MIMO schemes by exploiting the similarity of multiple antenna systems and multi-user channel problems.  ...  These schemes have been proposed to improve the 3GPP high speed downlink packet access (HSDPA) channel by employing multiple antennas at both the base station and mobile stations.  ...  Acknowledgement The authors would like to thank 3GPP MIMO delegates for their knowledgeable discussions in the working group meetings and anonymous reviewers for their valuable comments.  ... 
doi:10.4218/etrij.05.1005.0008 fatcat:2tbnlw7v5bhvfgw6w2kq5xi6fy

Spatial multiplexing with transmit antenna and constellation selection for correlated mimo fading channels

R. Narasimhan
2003 IEEE Transactions on Signal Processing  
Bell Laboratories Layered Space-Time (V-BLAST) receivers.  ...  We consider spatial multiplexing systems in correlated multiple-input multiple-output (MIMO) fading channels with equal power allocated to each transmit antenna.  ...  Per-antenna rate control with equal power allocation is applied to uncorrelated fading channels in [13] , where it is shown that per-antenna rate control at the fading rate nearly achieves capacity.  ... 
doi:10.1109/tsp.2003.818205 fatcat:32jdzs773besxnlqqpbfdizldy

Performance Analysis of Cooperative Virtual MIMO Systems for Wireless Sensor Networks

Zimran Rafique, Boon-Chong Seet, Adnan Al-Anbuky
2013 Sensors  
In this paper, we further investigate the impact of different modulation techniques, and analyze for the first time, the performance of a cooperative Virtual MIMO system based on V-BLAST architecture with  ...  cooperative nodes each with single antenna are evaluated.  ...  V-BLAST V-BLAST is a spatial multiplexing technique to achieve spectral efficiency for a given bit rate and transmission power.  ... 
doi:10.3390/s130607033 pmid:23760087 pmcid:PMC3715254 fatcat:iyo4db2q6rg5zelyusz2xby54m

Software Defined Radio Demonstration of MIMO-OFDM Rate Adaptation

John Kountouriotis, Nicholas J. Kirsch, Kapil R. Dandekar
2006 2006 1st IEEE Workshop on Networking Technologies for Software Defined Radio Networks  
In this paper, we present a framework for rate and power allocation in MIMO-OFDM systems using the V-BLAST and SVD techniques.  ...  Specifically, we show with measured data that sub-carrier rate adaptation allows for more efficient spectral use.  ...  The lower bound on SNR possible with V-BLAST will also provide a upper bound for BER.  ... 
doi:10.1109/sdr.2006.4286326 fatcat:7e7kp3q7mjbsnjao3ulfagsvv4

A Novel Spatial Multiplexing Architecture with Finite Rate Feedback

Yi Jiang, Mahesh Varanasi
2006 2006 40th Annual Conference on Information Sciences and Systems  
The V-BLAST (vertical Bell Labs layered Space-Time) architecture with equal rate and power per antenna and a fixed order of detection is known to suffer from poor performance; in a multi-input multi-output  ...  (MIMO) Rayleigh fading channel with Mt transmit antennas and Mr receive antennas (Mr ≥ Mt), the diversity order is only Mr − Mt + 1.  ...  However, the standard V-BLAST scheme with equal rate and power per antenna and a fixed order of detection suffers from error propagation problems; the antenna detected first limits performance.  ... 
doi:10.1109/ciss.2006.286567 fatcat:tskpbiwj5jganeibt4ob3ek6my

A VLSI Architecture of the Square Root Algorithm for V-BLAST Detection

Zhan Guo, Peter Nilsson
2006 Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology  
As an implementation scheme of MIMO systems, V-BLAST is suitable for the applications with very high data rates.  ...  The square root algorithm for V-BLAST detection is attractive to hardware implementations due to its low computational complexity and numerical stability.  ...  Consider a symbol synchronized and uncoded V-BLAST system with M transmit antennas and N ! M receive antennas, as shown in Fig. 1 .  ... 
doi:10.1007/s11265-006-8536-8 fatcat:fkpyhqpzdzanleocmly4einy6i

Implementation of a MIMO OFDM-Based Wireless LAN System

A. van Zelst, T.C.W. Schenk
2004 IEEE Transactions on Signal Processing  
Results from measurements with this MIMO OFDM system in a typical office environment show, on average, a doubling of the system throughput, compared with a single antenna OFDM system.  ...  The complete MIMO OFDM processing is implemented in a system with three transmit and three receive antennas, and its performance is evaluated with both simulations and experimental test results.  ...  Draijer, and R. van Poppel also deserve recognition for their work on the implementation and calibration of the MIMO test system.  ... 
doi:10.1109/tsp.2003.820989 fatcat:g5jj76oelbchbfy2qiwn7ii4la

On the tradeoff between MAC-level performance metrics in MIMO ad hoc networks with imperfect channel estimation

Paolo Casari, Davide Chiarotto, Michele Zorzi
2009 2009 Second International Workshop on Cross Layer Design  
(such as the length of training sequences used for channel estimation) and MAC-level performance metrics such as throughput, efficiency, and success ratio.  ...  Our results show that relevant tradeoff arise in this context that allow, e.g., to tune the MAC layer behavior by controlling channel estimation accuracy.  ...  In particular, the V-BLAST reception algorithm proceeds in step: at each step a signal is detected (usually in order of decreasing receive power) and its contribution is canceled from the overall received  ... 
doi:10.1109/iwcld.2009.5156522 fatcat:xt2mhwixgrhofptiafbcr4zpfq

Adaptive switching detection algorithm for iterative-MIMO systems to enable power savings

N. Tadza, D. Laurenson, J. S. Thompson
2014 Radio Science  
Linear detection methods, combined 72 with nulling and cancelling, seem to give a better BER whilst maintaining the low 73 complexity. This is why the combination of V-BLAST and ZF is chosen.  ...  SNR on the other hand, does not compute the re-43 lationship between the antennas in a MIMO system.  ...  ) when deploying FSD, 422 and 52% for the V-BLAST/ZF algorithm.  ... 
doi:10.1002/2013rs005323 fatcat:7omwhsuuhjgrhiehmmmj75uvlu

A cross-layer approach to transmit antenna selection

J.L. Vicario, M.A. Lagunas, C. Anton-Haro
2006 IEEE Transactions on Wireless Communications  
Index Terms-Antenna selection, adaptive modulation, spatial multiplexing, vertical BLAST (V-BLAST) architecture, crosslayer optimization, Hybrid Automatic Repeat-reQuest (H-ARQ) protocols, multiple-input  ...  In order to enhance system performance, adaptive modulation is included to jointly perform antenna selection and rate adaptation.  ...  ACKNOWLEDGMENT The authors wish to thank Xavier Mestre for reading the paper and for his helpful comments. They would also like to thank the anonymous reviewers for their comments on the paper.  ... 
doi:10.1109/twc.2006.1687710 fatcat:2xotiem3jjchvjg4iajkjntqoe
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