Search Results - "Diggavi, S N"

Wireless Network Information Flow: A Deterministic Approach by Avestimehr, A S, Diggavi, S N, Tse, D N C

“…In a wireless network with a single source and a single destination and an arbitrary number of relay nodes, what is the maximum rate of information flow…”
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Differential space-time coding for frequency-selective channels by Diggavi, S.N., Al-Dhahir, N., Stamoulis, A., Calderbank, A.R.

“…We introduce two space-time transmission schemes which allow full-rate and full-diversity noncoherent communications using two transmit antennas over fading…”
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Linear diversity-embedding STBC: design issues and applications by Islam, K.M.Z., Rabiei, P., Al-Dhahir, N., Diggavi, S.N., Calderbank, A.R.

“…We design a novel class of space-time codes, called linear diversity-embedding space-time block codes (LDE-STBC) where a high-rate STBC is linearly…”
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The Approximate Capacity of the Gaussian n-Relay Diamond Network by Niesen, U., Diggavi, S. N.

“…We consider the Gaussian "diamond" or parallel relay network, in which a source node transmits a message to a destination node with the help of N relays. Even…”
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On Successive Refinement of Diversity for Fading ISI Channels by Dusad, S., Diggavi, S. N.

“…Rate and diversity impose a fundamental trade-off in communications. This trade-off was investigated for flat-fading channels in as well as for Inter-symbol…”
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On the Maximum Achievable Sum-Rate With Successive Decoding in Interference Channels by Yue Zhao, Chee Wei Tan, Avestimehr, A. S., Diggavi, S. N., Pottie, G. J.

“…In this paper, we investigate the maximum achievable sum-rate of the two-user Gaussian interference channel with Gaussian superposition coding and successive…”
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Secret-Key Generation Using Correlated Sources and Channels by Khisti, A., Diggavi, S. N., Wornell, G. W.

“…We study the secret-key capacity in a joint source-channel coding setup-the terminals are connected over a discrete memoryless channel and have access to side…”
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Subspace Properties of Network Coding and Their Applications by Siavoshani, M. J., Fragouli, C., Diggavi, S. N.

“…Systems that employ network coding for content distribution convey to the receivers linear combinations of the source packets. If we assume randomized network…”
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Intercarrier interference in MIMO OFDM by Stamoulis, A., Diggavi, S.N., Al-Dhahir, N.

“…In this paper, we examine multicarrier transmission over time-varying channels. We first develop a model for such a transmission scheme and focus particularly…”
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Changes in energy expenditure, anthropometry, and energy intake during the course of pregnancy and lactation in well-nourished Indian women by Piers, LS, Diggavi, SN, Thangam, S, van Raaij, JM, Shetty, PS, Hautvast, JG

“…Basal metabolic rate (BMR), thermic effect of a meal (TEM), anthropometry, and dietary intakes were measured in 18 control subjects; 18 pregnant women at 12,…”
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The worst additive noise under a covariance constraint by Diggavi, S.N., Cover, T.M.

“…The maximum entropy noise under a lag p autocorrelation constraint is known by Burg's theorem to be the pth order Gauss-Markov process satisfying these…”
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Great expectations: the value of spatial diversity in wireless networks by DIGGAVI, S.N., AL-DHAHIR, N., STAMOULIS, A., CALDERBANK, A.R.

“…The effect of spatial diversity on the throughput and reliability of wireless networks is examined. Spatial diversity is realized through multiple…”
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Resting metabolic rate and thermic effect of a meal in the follicular and luteal phases of the menstrual cycle in well-nourished Indian women by Piers, LS, Diggavi, SN, Rijskamp, J, van Raaij, JM, Shetty, PS, Hautvast, JG

“…The resting metabolic rate (RMR) and thermic effect of a standard test meal (TEM) were measured twice each during the follicular and luteal phases (confirmed…”
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Even One-Dimensional Mobility Increases the Capacity of Wireless Networks by Diggavi, Suhas N., Grossglauser, Matthias, Tse, David N. C.

“…We study the capacity of ad hoc wireless networks with mobile nodes. The mobility model examined is one where the nodes are restricted to move along…”
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Algebraic properties of space-time block codes in intersymbol interference multiple-access channels by Diggavi, S.N., Al-Dhahir, N., Calderbank, A.R.

“…In this paper, we study the multiple-access channel where users employ space-time block codes (STBC). The problem is formulated in the context of an…”
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Prefiltered space-time M-BCJR equalizer for frequency-selective channels by Fragouli, C., Al-Dhahir, N., Diggavi, S.N., Turin, W.

“…This paper addresses the problem of soft equalization for space-time-coded transmissions over frequency-selective fading channels. The structure of the…”
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Asymmetric multiple description lattice vector quantizers by Diggavi, S.N., Sloane, N.J.A., Vaishampayan, V.A.

“…We consider the design of asymmetric multiple description lattice quantizers that cover the entire spectrum of the distortion profile, ranging from symmetric…”
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Nonintersecting subspaces based on finite alphabets by Oggier, F.E., Sloane, N.J.A., Diggavi, S.N., Calderbank, A.R.

“…Two subspaces of a vector space are here called "nonintersecting" if they meet only in the zero vector. Motivated by the design of noncoherent multiple-antenna…”
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On achievable performance of spatial diversity fading channels by Diggavi, S.N.

“…Channel time-variation and frequency selectivity [causing intersymbol interference (ISI)] are two major impairments in transmission for a wireless…”
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Direction-of-arrival estimation for a lens-based array by Diggavi, S.N., Shynk, J.J., Laub, A.J.

“…In this paper, we describe a high-resolution direction-of-arrival (DOA) estimation algorithm for the enhancement of a lens-based array system. In such a…”
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