• Publications
  • Influence
Combining beamforming and orthogonal space-time block coding
Multiple transmit and receive antennas can be used in wireless systems to achieve high data rate communication. Efficient space-time codes have been developed that utilize a large portion of theExpand
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Multiple-User Cooperative Communications Based on Linear Network Coding
We propose a new scheme for cooperative wireless networking based on linear network codes. The network consists of multiple (M ≥ 2) users having independent information to be transmitted to a commonExpand
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On the Expected Rate of Slowly Fading Channels with Quantized Side Information
A multiple-layer variable-rate system employing quantized feedback to maximize the expected rate over slowly fading channels is studied. The transmitter utilizes partial channel-state information,Expand
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Design of Network Codes for Multiple-User Multiple-Relay Wireless Networks
We investigate the design of network codes for multiple-user multiple-relay (MUMR) wireless networks with slow fading (quasi-static) channels. In these networks, M users have independent informationExpand
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M-user cooperative wireless communications based on nonbinary network codes
We propose a new method of applying network coding for cooperative wireless networks. The network consists of multiple (M ≥ 2) users having independent information to be transmitted to a common baseExpand
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Diversity–Multiplexing Tradeoff in MIMO Channels With Partial CSIT
The diversity-multiplexing (D-M) tradeoff in a multi antenna channel with optimized resolution-constrained channel state feedback is characterized. The concept of minimum guaranteed multiplexing gainExpand
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Throughput Analysis of ARQ Schemes in Gaussian Block Fading Channels
This paper examines throughput performance, and its optimization, for lossless and truncated automatic repeat request (ARQ) schemes in Gaussian block fading channels. Specifically, ARQ, repetitionExpand
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Hadamard-Based Soft Decoding for Vector Quantization Over Noisy Channels
We present an estimator-based, or soft, vector quantizer decoder for communication over a noisy channel. The decoder is optimal according to the mean-square error criterion, and Hadamard-based in theExpand
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Subspace Estimation and Decomposition for Large Millimeter-Wave MIMO Systems
Channel estimation and precoding in hybrid analog-digital millimeter-wave (mmWave) MIMO systems is a fundamental problem that has yet to be addressed, before any of the promised gains can beExpand
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Hybrid Digital–Analog Source–Channel Coding for Bandwidth Compression/Expansion
An approach to hybrid digital-analog (HDA) source-channel coding for the communication of analog sources over memoryless Gaussian channels is introduced. The HDA system, which exploits the advantagesExpand
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