Search Results - "Georghiades, C.N."

Exploiting faster-than-Nyquist signaling by Liveris, A.D., Georghiades, C.N.

“…Faster-than-Nyquist signaling introduces intersymbol interference, but increases the bit rate while preserving the signaling bandwidth. For sinc pulses, it has…”
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Compression of binary sources with side information at the decoder using LDPC codes by Liveris, A.D., Zixiang Xiong, Georghiades, C.N.

“…We show how low-density parity-check (LDPC) codes can be used to compress close to the Slepian-Wolf limit for correlated binary sources. Focusing on the…”
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Two EM-type channel estimation algorithms for OFDM with transmitter diversity by Yongzhe Xie, Georghiades, C.N.

“…We study channel estimation for orthogonal frequency-division multiplexing (OFDM) systems utilizing transmitter diversity and operating over multipath fading…”
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On code design for the Slepian-Wolf problem and lossless multiterminal networks by Stankovic, V., Liveris, A.D., Xiong, Zixiang, Georghiades, C.N.

“…A Slepian-Wolf coding scheme for compressing two uniform memoryless binary sources using a single channel code that can achieve arbitrary rate allocation among…”
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Frame synchronization for coded systems over AWGN channels by Cassaro, T.M., Georghiades, C.N.

“…For the additive white Gaussian noise channel, we consider the problem of frame synchronization for coded systems. We present an algorithm that takes advantage…”
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A full-rate, full-diversity four-antenna quasi-orthogonal space-time block code by Dalton, L.A., Georghiades, C.N.

“…We present a complex, full-rate quasi-orthogonal space-time block code for four transmit antennas. Using carefully tailored constellation phase rotations, we…”
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On Some Near Optimal Low Complexity Detectors for MIMO Fading Channels by Yongzhe Xie, Qiang Li, Georghiades, C.N.

“…We introduce several low complexity sub-optimal MIMO detection schemes based on the List-BLAST algorithm, which exhausts the constellation points in the first…”
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A distributed source coding technique for correlated images using turbo-codes by Liveris, A.D., Zixiang Xiong, Georghiades, C.N.

“…The Slepian-Wolf (1973) theorem states that the output of two correlated sources can be compressed to the same extent without loss, whether they communicate…”
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Iterative maximum-likelihood sequence estimation for space-time coded systems by Yingxue Li, Georghiades, C.N., Garng Huang

“…In previous work on decoding space-time codes, it is either assumed that perfect channel state information (CSI) is present, or a channel estimate is obtained…”
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Minimum outage probability transmission with imperfect feedback for MISO fading channels by Yongzhe Xie, Georghiades, C.N., Arapostathis, A.

“…We study optimal transmission strategies in terms of minimum outage probability for a fading channel with multiple transmit antennas and a single receive…”
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Topology-transparent time division multiple access broadcast scheduling in multihop packet radio networks by Zhijun Cai, Mi Lu, Georghiades, C.N.

“…Many topology-dependent transmission scheduling algorithms have been proposed to minimize the time-division multiple-access frame length in multihop packet…”
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On the performance of high-rate TPC/SPC codes and LDPC codes over partial response channels by Jing Li, Narayanan, K.R., Kurtas, E., Georghiades, C.N.

“…This paper evaluates two-dimensional turbo product codes based on single-parity check codes (TPC/SPC) and low-density parity check (LDPC) codes for use in…”
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Optimal bandwidth allocation for the data and feedback channels in MISO-FDD systems by Yongzhe Xie, Georghiades, C.N., Rohani, K.

“…In frequency-division duplex (FDD) systems, channel-state information (CSI) is estimated by the receiver and then fed back to the transmitter through a…”
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On the error performance analysis of space-time trellis codes by Uysal, M., Georghiades, C.N.

“…We present analytical performance results for space-time trellis codes over spatially correlated Rayleigh fading channels. Bit-error-probability estimates are…”
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A space-time block-coded OFDM scheme for unknown frequency-selective fading channels by Uysal, M., Al-Dhahir, N., Georghiades, C.N.

“…We introduce a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) selective fading channels which does not require channel knowledge…”
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The slowest descent method and its application to sequence estimation by Spasojevic, P., Georghiades, C.N.

“…A new approach to sequence estimation is proposed and its performance is analyzed for a number of channels of practical interest. The proposed approach, termed…”
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Transmit diversity over quasi-static fading channels using multiple antennas and random signal mapping by Yingxue Li, Georghiades, C.N., Garng Huang

“…We introduce a scheme that achieves a diversity gain for coded systems under static fading conditions by using multiple antennas and random signal mapping. In…”
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An efficient implementation of a maximum-likelihood detector for space-time block coded systems by Uysal, M., Georghiades, C.N.

“…We investigate maximum-likelihood (ML) sequence estimation for space-time block coded systems without assuming channel knowledge. The quadratic form of the ML…”
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Blind multiuser detection in uplink CDMA with multipath fading: a sequential EM approach by Qinghua Li, Georghiades, C.N., Xiaodong Wang

“…We consider joint channel estimation and data detection in uplink asynchronous code-division multiple-access systems employing aperiodic (long) spreading…”
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On the performance of a novel quasi-synchronous trellis-coded CDMA system by Sangho Choe, Georghiades, C.N.

“…We introduce a novel signal set defined over a signal space that consists of L (L/spl ges/2) orthogonal planes, and a quasi-synchronous trellis-coded…”
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