Works Published in 2005
Displaying works 21 - 40 of 321 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2005 conference paper
Tasking with out-of-order spawn in TLS chip multiprocessors: Microarchitecture and compilation
Proceedings of the 19th Annual International conference on Supercomputing, 179–188.
Source: ORCID
Added: August 18, 2021
2005 article
SESC simulator, January 2005
Source: ORCID
Added: August 18, 2021
2005 journal article
Modeling and optimization of single-element bulk SiGe thin-film coolers
Microscale Thermophysical Engineering, 9(1), 99–118.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: Crossref
Added: January 24, 2021
2005 journal article
Does Shafer-Landau Have a Problem with Supervenience?
Philosophical Studies, 126(2), 297–311.
Source: Crossref
Added: November 22, 2020
2005 conference paper
Gallium Oxide as a host for rare earth elements
Materials Research Society Symposium Proceedings, 866, 177–182.
Contributors: J. Muth n, P. Gollakota n, A. Dhawan n, H. Porter n, Y. Saripalli n & L. Lunardi n
Source: ORCID
Added: September 21, 2020
2005 conference paper
Quantization on the grassmann manifold: Applications to precoded mimo wireless systems
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, V.
Contributors: B. Mondal*, R. Heath Jr. & L. Hanlen
TL;DR:
This paper studies the problem of quantization of a source that lives on the complex Grassmann manifold, and the expected distortion for such a quantizer is approximately characterized.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
Switching between diversity and multiplexing in MIMO systems
IEEE Transactions on Communications, 53(6), 962–972.
Contributors: R. Heath Jr. & A. Paulraj
author keywords: multiple-input multiple-output (MIMO) systems; space-time coding; transmit diversity
TL;DR:
Switch between spatial multiplexing and transmit diversity is proposed as a simple way to improve the diversity performance of spatialmultiplexing.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
Simulation of MIMO channel capacity with antenna polarization diversity
IEEE Transactions on Wireless Communications, 4(4), 1869–1872.
TL;DR:
Simulation results show that, with a special transmit geometry, using the collocated trimonopole antennas at a size-constrained receiver can offer channel capacity that approaches the capacity of an uncorrelated MIMO Rayleigh channel.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
Receiver designs for Alamouti coded OFDM systems in fast fading channels
IEEE Transactions on Wireless Communications, 4(2), 550–559.
Contributors: J. Kim, R. Heath Jr. & E. Powers
author keywords: equalization; fast fading; orthogonal frequency-division multiplexing (OFDM); sequence estimation; transmit diversity
TL;DR:
A sequential decision feedback sequence estimation (SDFSE) scheme with an adaptive threshold (AT), a traditionally single-carrier equalization technique, is used to mitigate the performance degradation and a new method to set the threshold value is proposed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2005 conference paper
Unequal power allocation for JPEG transmission over MIMO systems
Conference Record - Asilomar Conference on Signals, Systems and Computers, 2005, 1608–1612. http://www.scopus.com/inward/record.url?eid=2-s2.0-33847652903&partnerID=MN8TOARS
Contributors: M. Sabir, R. Heath Jr. & A. Bovik
Source: ORCID
Added: September 11, 2020
2005 journal article
Space-time interference cancellation in MIMO-OFDM systems
IEEE Transactions on Vehicular Technology, 54(5), 1802–1816.
Contributors: T. Tang * & R. Heath Jr.
author keywords: cancellation; interference; MIMO; OFDM; space-time
TL;DR:
Simulations compare various training-based methods and show the proposed methods provide good bit error rate (BER) and SINR performance in a variety of interference scenarios.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
Space-time chase decoding
IEEE Transactions on Wireless Communications, 4(5), 2035–2039.
Contributors: D. Love *, S. Hosur*, A. Batra * & R. Heath Jr.
author keywords: chase decoding; maximum-likelihood (ML) decoding; multiple-input multiple-output (MIMO) systems; spatial multiplexing; sphere decoding
TL;DR:
A modified version of the classic Chase decoder for multiple-antenna systems is proposed, which can be adjusted to have a fixed or variable complexity, while maintaining performance close to that of an ML decoder.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 conference paper
Rate bounds for MIMO relay channels using precoding
GLOBECOM - IEEE Global Telecommunications Conference, 3, 1172–1176.
Contributors: C. Lo*, S. Vishwanath * & R. Heath Jr.
TL;DR:
New lower bounds on the capacity of a Gaussian MIMO relay channel are derived under the assumption that the transmitter employs either superposition coding or dirty-paper coding.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 conference paper
Quantized multi-mode precoding for spatial multiplexing MIMO-OFDM system
IEEE Vehicular Technology Conference, 2, 867–871.
TL;DR:
This paper proposes to reduce the feedback requirements by sending back the quantized precoding matrices of a fraction of the subcarriers and obtaining the other precoders using interpolation, and two algorithms are proposed for the interpolation of unitary matrices.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2005 journal article
Necessary and sufficient conditions for full diversity order in correlated Rayleigh fading beamforming and combining systems
IEEE Transactions on Wireless Communications, 4(1), 20–23.
Contributors: D. Love * & R. Heath Jr.
author keywords: beamforming; combining; correlated fading; diversity methods; MIMO systems; Rayleigh channels; transmitreceive diversity
TL;DR:
It is of utmost importance to guarantee that the sets of beamforming and combining vectors are chosen such that full diversity order is achieved in correlated Rayleigh fading.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
OFDM power loading using limited feedback
IEEE Transactions on Vehicular Technology, 54(5), 1773–1780.
Contributors: D. Love * & R. Heath Jr.
author keywords: limited feedback; orthogonal frequency division multiplexing; power loading
TL;DR:
Simulation results show that the proposed limited feedback techniques provide performance close to full channel knowledge power loading, and two power allocation selection algorithms that optimize the probability of symbol error and capacity, respectively.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: September 11, 2020
2005 journal article
Multimode precoding for MIMO wireless systems
IEEE Transactions on Signal Processing, 53(10 I), 3674–3687.
Contributors: D. Love * & R. Heath Jr.
author keywords: diversity methods; MIMO systems; quantized precoding; Rayleigh channels; spatial multiplexing
TL;DR:
It is shown that these substreams can be designed to obtain full diversity and full rate gain using feedback from the receiver to transmitter, and Monte Carlo simulations show substantial performance gains over beamforming and spatial multiplexing.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 journal article
Multimode antenna selection for spatial multiplexing systems with linear receivers
IEEE Transactions on Signal Processing, 53(8), 3042–3056.
Contributors: R. Heath Jr. & D. Love *
author keywords: antenna selection; diversity methods; MIMO systems
TL;DR:
This paper proposes multimode antenna selection, which uses a low-rate feedback channel to improve the error rate performance of spatial multiplexing systems with linear receivers.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 conference paper
Performance of the MIMO downlink channel with multi-mode adaptation and scheduling
IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC, 2005, 695–699.
Contributors: A. Forenza, M. Airy, M. Kountouris *, R. Heath Jr., D. Gesbert* & S. Shakkottai *
TL;DR:
This paper presents an algorithm for switching transmission methods (whether for diversity or data rate maximization) over a multiple antenna broadcast channel and investigates the performance of this adaptive transmission method with different scheduling polices.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
2005 conference paper
Performance evaluation of 2-element arrays of circular patch antennas in indoor clustered MIMO channels
Proceedings - IEEE Military Communications Conference MILCOM, 2005.
Contributors: A. Forenza & R. Heath Jr.
TL;DR:
A computationally efficient method to evaluate the performance of circular patch arrays (CPAs) in clustered MIMO channel models based on bounds to the eigenvalues of the spatial correlation matrix, which yields dramatic reduction in computational complexity.
(via Semantic Scholar)
Source: ORCID
Added: September 11, 2020
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