no code implementations • 12 Jan 2024 • Mina Khadem, Farshad Zeinali, Nader Mokari, Hamid Saeedi
In this paper, we present a quality of service (QoS)-aware priority-based spectrum management scheme to guarantee the minimum required bit rate of vertical sector players (VSPs) in the 5G and beyond generation, including the 6th generation (6G).
no code implementations • 20 Dec 2023 • Mina Khadem, Maryam Ansarifard, Nader Mokari, Mohammadreza Javan, Hamid Saeedi, Eduard A. Jorswieck
We first propose a novel greedy algorithm, named market share based weighted greedy algorithm (MSWGA) to achieve better fairness compared to the traditional auction methods and as the second approach, we exploit deep reinforcement learning (DRL) algorithms, to optimize the auction policy and demonstrate its superiority over other methods.
no code implementations • 1 May 2023 • Maryam Ansarifard, Nader Mokari, Mohammadreza Javan, Hamid Saeedi, Eduard A. Jorswieck
In particular, the problem is formulated to minimize the average AoI of users with elastic tasks, by adjusting UAVs trajectory and resource allocation on both UAVs and HAP, which is restricted by the channel state information (CSI) uncertainty and multiple resource constraints of UAVs and HAP.
no code implementations • 9 Feb 2023 • Ali Nouruzi, Atefeh Rezaei, Ata Khalili, Nader Mokari, Mohammad Reza Javan, Eduard A. Jorswieck, Halim Yanikomeroglu
To this end, we introduce a new metric, i. e., throughput-overhead-complexity (TOC), for the proposed machine learning-based algorithm, which supports a trade-off between these performance indicators.
no code implementations • 19 Jun 2022 • Marjan Tajik, Mohammadreza Maleki, Nader Mokari, Mohammad Reza Javan, Hamid Saeedi, Bile Peng, Eduard A. Jorswieck
Using UAVs and BS jointly with MEC can reduce AoI on the network.
no code implementations • 21 Mar 2022 • Mohammad Parvini, Amir Hossein Zarif, Ali Nouruzi, Nader Mokari, Mohammad Reza Javan, Bijan Abbasi, Amir Ghasemi, Halim Yanikomeroglu
As the services and requirements of next-generation wireless networks become increasingly diversified, it is estimated that the current frequency bands of mobile network operators (MNOs) will be unable to cope with the immensity of anticipated demands.
no code implementations • 18 Feb 2022 • Ali Nouruzi, Atefeh Rezaei, Ata Khalili, Nader Mokari, Mohammad Reza Javan, Eduard A. Jorswieck, Halim Yanikomeroglu
In this paper, our aim is to make the network more scalable and more flexible in terms of achievable data rate, overhead, and complexity indicators.
no code implementations • 10 Feb 2022 • Amir Gharehgoli, Ali Nouruzi, Nader Mokari, Paeiz Azmi, Mohamad Reza Javan, Eduard A. Jorswieck
Then, we compare the RDPG method in different scenarios with soft actor-critic (SAC), deep deterministic policy gradient (DDPG), distributed, and greedy algorithms.
no code implementations • 6 Nov 2021 • Hussein M. Hariz, Saeed Sheikhzadeh, Nader Mokari, Mohammad R. Javan, B. Abbasi-Arand, Eduard A. Jorswieck
In this paper, we consider that the unmanned aerial vehicles (UAVs) with attached intelligent reflecting surfaces (IRSs) play the role of flying reflectors that reflect the signal of users to the destination, and utilize the power-domain non-orthogonal multiple access (PD-NOMA) scheme in the uplink.
no code implementations • 6 Nov 2021 • Mohammad Reza Maleki, Mohammad Robat Mili, Mohammad Reza Javan, Nader Mokari, Eduard A. Jorswieck
UAVs can move in 3-dimensional (3D) at a constant acceleration, where a central server is responsible for synchronization and cooperation among UAVs.
no code implementations • 3 Nov 2021 • Ali Nouruzi, Abolfazl Zakeri, Mohamad Reza Javan, Nader Mokari, Rasheed Hussain, Ahsan Syed Kazmi
In specific, the obtained results show that the average number of admitted requests of the network increases by 7 up to 14% and the network utilization cost decreases by 5 and 20 %.
no code implementations • 13 Jul 2021 • Narges Gholipoor, Ali Nouruzi, Shima Salarhosseini, Mohammad Reza Javan, Nader Mokari, Eduard A. Jorswieck
To this end, we formulate an optimization problem in which power and spectrum resources are allocated in the radio part.
no code implementations • 1 Jul 2021 • Amir Hossein Zarif, Paeiz Azmi, Nader Mokari, Mohammad Reza Javan, Eduard Jorswieck
The average user access improved from 30% in the overlay mode to 45% in the DQN and 48% in the D3QN.
no code implementations • 30 Jun 2021 • Saeed Sheikhzadeh, Mohsen Pourghasemian, Mohammad R. Javan, Nader Mokari, Eduard A. Jorswieck
Using power-domain non-orthogonal multiple access technique, the SAP helps the primary network to improve the security of data transmission by using the frequency band of the primary network.
no code implementations • 10 May 2021 • Mohammad Akbari, Mohammad Reza Abedi, Roghayeh Joda, Mohsen Pourghasemian, Nader Mokari, Melike Erol-Kantarci
In this paper, we first utilize single agent low-complex compound action actor-critic RL to cover both discrete and continuous actions and jointly minimize VNF cost and AoI in terms of network resources under end-to end Quality of Service constraints.
no code implementations • 10 May 2021 • Mohammad Parvini, Mohammad Reza Javan, Nader Mokari, Bijan Abbasi, Eduard A. Jorswieck
Hence, we exploit a distributed resource allocation framework based on multi-agent reinforcement learning (MARL), where each platoon leader (PL) acts as an agent and interacts with the environment to learn its optimal policy.
1 code implementation • 9 Feb 2021 • Sepehr Rezvani, Eduard A. Jorswieck, Nader Mokari, Mohammad R. Javan
In this work, we propose a globally optimal joint successive interference cancellation (SIC) ordering and power allocation (JSPA) algorithm for the sum-rate maximization problem in downlink multi-cell non-orthogonal multiple access (NOMA) systems.
Information Theory Information Theory 90C11 G.1.6
1 code implementation • 2 Feb 2021 • Amirhossein Shaghaghi, Abolfazl Zakeri, Nader Mokari, Mohammad Reza Javan, Mohammad Behdadfar, Eduard A Jorswieck
In this paper, we propose a Zero-Touch, deep reinforcement learning (DRL)-based Proactive Failure Recovery framework called ZT-PFR for stateful network function virtualization (NFV)-enabled networks.
no code implementations • 17 Jan 2021 • Abolfazl Zakeri, Ata Khalili, Mohammad Reza Javan, Nader Mokari, Eduard A Jorswieck
This paper studies a novel approach for successive interference cancellation (SIC) ordering and beamforming in a multiple antennas non-orthogonal multiple access (NOMA) network with multi-carrier multi-user setup.
no code implementations • 1 Nov 2020 • Abolfazl Zakeri, Mohammad Parvini, Mohammad Reza Javan, Nader Mokari, Eduard A Jorswieck
To further improve the system capacity, non-orthogonal multiple access (NOMA) is proposed as a candidate for multiple access schemes for future cellular networks.
Signal Processing
no code implementations • 22 Jul 2020 • Maryam Moghimi, Abolfazl Zakeri, Mohammad Reza Javan, Nader Mokari, Derrick Wing Kwan Ng
Caching phase where the contents are saved in the storage of the BSs, and 2.
1 code implementation • 30 Nov 2019 • Sina Ebrahimi, Abulfazl Zakeri, Behzad Akbari, Nader Mokari
Network slicing is a crucial part of the 5G networks that communication service providers (CSPs) seek to deploy.
Networking and Internet Architecture Systems and Control Systems and Control Optimization and Control
no code implementations • 14 Jul 2019 • Abolfazl Zakeri, Narges Gholipoor, Mohammad Reza Javan, Nader Mokari, Eduard A. Jorswieck
Simulation results demonstrate that the proposed heuristic algorithm and framework outperforms the existing ones by 34% on average in cost reduction.