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20082025
most citedOptimal Power Allocation in Downlink Multicarrier NOMA Systems: Theory and Fast Algorithms

83 citations

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cs.IT2021★ 83 cited

Optimal Power Allocation in Downlink Multicarrier NOMA Systems: Theory and Fast Algorithms

Sepehr Rezvani, Eduard A. Jorswieck, Roghayeh Joda +1

In this work, we address the problem of finding globally optimal power allocation strategies to maximize the users sum-rate (SR) as well as system energy efficiency (EE) in the dow…

cs.IT2018

Optimum Transmission Delay for Function Computation in NFV-based Networks: the role of Network Coding and Redundant Computing

Behrooz Tahmasebi, Mohammad Ali Maddah-Ali, Saeedeh Parsaeefard +1

In this paper, we study the problem of delay minimization in NFV-based networks. In such systems, the ultimate goal of any request is to compute a sequence of functions in the netw…

cs.IT2018

Efficient Search of Compact QC-LDPC and SC-LDPC Convolutional Codes with Large Girth

Mohammad H. Tadayon, Alireza Tasdighi, Massimo Battaglioni +2

We propose a low-complexity method to find quasi-cyclic low-density parity-check block codes with girth 10 or 12 and shorter length than those designed through classical approaches…

cs.IT2018

Downlink User Association and Uplink Scheduling for Energy Harvesting Users in Software-Defined Mobile Networks

Hassan Yeganeh, Javane Rostampoor

In this paper we consider a heterogeneous network which consists of a macro base station and some pico base stations utilizing massive MIMO and MIMO techniques, respectively. A cen…

cs.IT2017★ 57 cited

Energy Efficient Precoding Design for SWIPT in MIMO Two-Way Relay Networks

Javane Rostampoor, S. Mohammad Razavizadeh, Inkyu Lee

In this paper, we study the energy efficiency (EE) maximization problem in multiple-input multiple-output (MIMO) two-way relay networks with simultaneous wireless information and p…

cs.IT2008★ 25 cited

Joint Adaptive Modulation-Coding and Cooperative ARQ for Wireless Relay Networks

Morteza Mardani, Jalil S. Harsini, Farshad Lahouti +1

This paper presents a cross-layer approach to jointly design adaptive modulation and coding (AMC) at the physical layer and cooperative truncated automatic repeat request (ARQ) pro…