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20142025
most citedAlternating Minimization Algorithms for Hybrid Precoding in Millimeter Wave MIMO Systems

1.5k citations

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cs.IT2021★ 19 cited

Belief-Propagation Decoding of LDPC Codes with Variable Node-Centric Dynamic Schedules

Tofar C. -Y. Chang, Pin-Han Wang, Jian-Jia Weng +2

Belief propagation (BP) decoding of low-density parity-check (LDPC) codes with various dynamic decoding schedules have been proposed to improve the efficiency of the conventional f…

cs.IT2017★ 3 cited

Improved Converses and Gap Results for Coded Caching

Chien-Yi Wang, Shirin Saeedi Bidokhti, Michele Wigger

Improved lower bounds on the average and the worst-case rate-memory tradeoffs for the Maddah-Ali&Niesen coded caching scenario are presented. For any number of users and files and…

cs.IT2016

Semidefinite Relaxation and Approximation Analysis of a Beamformed Alamouti Scheme for Relay Beamforming Networks

Sissi Xiaoxiao Wu, Anthony Man-Cho So, Jiaxian Pan +1

In this paper, we study the amplify-and-forward (AF) schemes in two-hop one-way relay networks. In particular, we consider the multigroup multicast transmission between long-distan…

cs.IT2016★ 25 cited

Unraveling the Rank-One Solution Mystery of Robust MISO Downlink Transmit Optimization: A Verifiable Sufficient Condition via a New Duality Result

Wing-Kin Ma, Jiaxian Pan, Anthony Man-Cho So +1

This paper concentrates on a robust transmit optimization problem for the multiuser multi-input single-output (MISO) downlink scenario and under inaccurate channel state informatio…

cs.IT2016★ 1.5k cited

Alternating Minimization Algorithms for Hybrid Precoding in Millimeter Wave MIMO Systems

Xianghao Yu, Juei-Chin Shen, Jun Zhang +1

Millimeter wave (mmWave) communications has been regarded as a key enabling technology for 5G networks. In contrast to conventional multiple-input-multiple-output (MIMO) systems, p…

cs.IT2015★ 3 cited

Backhaul-Aware Caching Placement for Wireless Networks

Xi Peng, Juei-Chin Shen, Jun Zhang +1

As the capacity demand of mobile applications keeps increasing, the backhaul network is becoming a bottleneck to support high quality of experience (QoE) in next-generation wireles…