On Secure Network Coding Over Networks With Unequal Link Capacities (2009)
Cui, Tao, Ho, Tracey, Kliewer, Joerg
This paper considers secure network coding over networks with unequal link capacities in the presence of a wiretapper that can wiretap any subset of k links. Existing results show that for the case...
Memoryless relay strategies for two-way relay channels (2009)
Cui, Tao, Ho, Tracey, Kliewer, Jörg
We propose relaying strategies for uncoded two-way relay channels, where two terminals transmit simultaneously to each other with the help of a relay. In particular, we consider a memoryless system,...
Cui, Tao, Gao, Feifei, Tellambura, Chintha
This work considers two-way relay channels (TWRC), where two terminals transmit simultaneously to each other with the help of a relay node. For single antenna systems, we propose several new...
Cui, Tao, Ho, Tracey, Kliewer, Joerg
We analyze the achievable rate in interference-free wireless networks with physical layer fading channels and orthogonal multiple access. As a starting point, the point-to-point channel is...
Cui, Tao, Zhang, Lei, Wang, Xizhou, He, Zheng-Guo
Abstract Background Analysis of the pathogen interactome is a powerful approach for dissecting potential signal transduction and virulence pathways. It also offers opportunities for exploring new...
Some Results on Relay Strategies for Memoryless Two-Way Relay Channels (2009)
Abstract — We consider relaying strategies for memoryless two-way relay channels, where the signal transmitted by a relay depends only on its previously received signal. For binary antipodal...
Distributed space-time coding for two-way wireless relay networks (2009)
Cui, Tao, Gao, Feifei, Ho, Tracey, Nallanathan, Arumugam
In this paper, we consider distributed space-time coding for two-way wireless relay networks, where communication between two terminals is assisted by relay nodes. Relaying protocols using two,...
Opportunistic Source Coding for Data Gathering in Wireless Sensor Networks (2008)
Tao Cui, Lijun Chen, Tracey Ho, Steven H. Low
Abstract—We propose a jointly opportunistic source coding and opportunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering...
Gao, Feifei, Cui, Tao, Nallanathan, Arumugam
In this paper, we study the channel estimation and the optimal training design for relay networks that operate under the decode-and-forward (DF) strategy with the knowledge of the interference...
Gao, Feifei, Cui, Tao, Nallanathan, Arumugam, Tellambura, Chinthananda
Can conventional differential unitary space time modulation (DUSTM) be applied when there is an unknown carrier frequency offset (CFO)? This paper answers this question affirmatively and derives the...
A Game-Theoretic Framework for Medium Access Control (2008)
Cui, Tao, Chen, Lijun, Low, Steven H.
In this paper, we generalize the random access game model, and show that it provides a general game-theoretic framework for designing contention based medium access control. We extend the random...
Gao, Feifei, Cui, Tao, Nallanathan, A., Tellambura, C.
Recently, the advantages of the discrete cosine transform (DCT) based orthogonal frequency-division multiplexing (OFDM) have come to the light. We thus consider DCT- OFDM with non-circular...
Opportunistic Source Coding for Data Gathering in Wireless Sensor Networks (2008)
Tao Cui, Lijun Chen, Tracey Ho, Steven H. Low
Abstract—We propose a jointly opportunistic source coding and opportunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering...
Constrained Detection for Spatial-Multiplexing Multiple-Input–Multiple-Output Systems (2008)
Cui, Tao, Tellambura, Chintha, Wu, Yue
A family of detectors that exploit signal constraints is developed for maximum-likelihood detection for multiple-input–multiple-output (MIMO) systems. Real constrained detectors and...
Gao, Feifei, Cui, Tao, Nallanathan, Arumugam
In this paper, we propose a novel carrier frequency offset (CFO) tracking algorithm for orthogonal frequency division multiplexing (OFDM) systems by exploiting scattered pilot carriers and virtual...
On Multiple Symbol Detection for Diagonal DUSTM Over Ricean Channels (2008)
This letter considers multiple symbol differential detection for multiple-antenna systems over flat Ricean-fading channels when partial channel state information (CSI) is available at the...
Generalized feedback detection for spatial multiplexing multi-antenna systems (2008)
We present a unified detection framework for spatial multiplexing multiple-input multiple-output (MIMO) systems by generalizing Heller’s classical feedback decoding algorithm for convolutional...
Blind Receiver Design for OFDM Systems Over Doubly Selective Channels (2007)
We develop blind data detectors for orthogonal frequency-division multiplexing (OFDM) systems over doubly selective channels by exploiting both frequency-domain and time-domain correlations of the...
Semiblind Channel Estimation and Data Detection for OFDM Systems With Optimal Pilot Design (2007)
This paper considers semiblind channel estimation and data detection for orthogonal frequency-division multiplexing (OFDM) over frequency-selective fading channels. We show that the samples of an...
Efficient Blind Receiver Design for Orthogonal Space-Time Block Codes (2007)
We consider stochastic blind maximum-likelihood detection of orthogonal space-time block codes (OSTBCs) over a quasi-static flat multiple-input multiple-output (MIMO) Rayleigh fading channel. A...
Opportunistic Source Coding for Data Gathering in Wireless Sensor Networks (2007)
Cui, Tao, Lijun, Chen, Tracey, Ho, Steven, Low
We propose a jointly opportunistic source coding and opportunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering efficiency by...
We consider joint estimation of carrier frequency offset and channel impulse response (CIR) for orthogonal frequency division multiplexing (OFDM) systems with pilot symbols and virtual subcarriers...
Distributed Optimization in Wireless Networks Using Broadcast Advantage (2007)
Cui, Tao, Chen, Lijun, Ho, Tracey
In this paper, we study cross-layer design for multicasting in wireless networks by exploiting broadcast advantage. With network coding, a distributed subgradient algorithm for joint congestion...
Opportunistic source coding for data gathering in wireless sensor networks (2007)
Cui, Tao, Chen, Lijun, Ho, Tracey, Low, Steven H., Andrew, Lachlan L. H.
We propose a jointly opportunistic source coding and opportunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering efficiency by...
On distributed distortion optimization for correlated sources (2007)
Tao Cui, Tracey Ho, Lijun Chen
Abstract — We consider lossy data compression in capacityconstrained networks with correlated sources. We develop, using dual decomposition, a distributed algorithm that maximizes an aggregate...
Opportunistic source coding for data gathering in wireless sensor networks (2007)
Cui, Tao, Chen, Lijun, Ho, Tracey, Low, Steven H., Andrew, Lachlan L. H.
We propose a jointly opportunistic source coding and opportunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering efficiency by...
Analysis and optimization of pilot symbol-assisted Rake receivers for DS-CDMA systems (2006)
The effect of imperfect channel estimation (CE) on the performance of pilot-symbol-assisted modulation (PSAM) and MRC Rake reception over time- or frequency-selective fading channels with either a...
Joint data detection and channel estimation for OFDM systems (2006)
Cui, Tao, Tellambura, Chinthananda
We develop new blind and semi-blind data detectors and channel estimators for orthogonal frequency-division multiplexing (OFDM) systems. Our data detectors require minimizing a complex, integer...
Optimal low-complexity detection for space division multiple access wireless systems (2006)
Wu, Yue, Cui, Tao, Tellambura, Chintha
A symbol detector for wireless systems using space division multiple access (SDMA) and orthogonal frequency division multiplexing (OFDM) is derived. The detector uses a sphere decoder (SD) and has...
Power delay profile and noise variance estimation for OFDM (2006)
In this letter, we present cyclic-prefix (CP) based noise-variance and power-delay-profile estimators for Orthogonal Frequency Division Multiplexing (OFDM) systems. Signal correlation due to the use...
ADAR2 deamination of RNA : investigation into mechanism and regulation / (2006)
Thesis (M.S.)--Dept. of Chemistry, University of Utah, 2006.
Bound-intersection detection for multiple-symbol differential unitary space-time modulation (2005)
Cui, Tao, Tellambura, Chinthananda
This paper considers multiple-symbol differential detection (MSD) of differential unitary space-time modulation (DUSTM) over multiple-antenna systems. We derive a novel exact maximum-likelihood (ML)...
Efficient detection techniques for wireless communication systems / (2005)
"A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science, Department of Electrical and Computer Engineering".
Gray, Donald M., Cui, Tao, Ratliff, Robert L.
We have studied the coil-to-helix transition of the DNA oligomer d(C4A4T4C4), using circular dichroism measurements to monitor the formation of A.T base pairs within the central self-complementary...