50 citations · 98 across the 21 of their papers we have counts for
11 papers · 1 filter
Performance Evaluation and Optimization of LPWA IoT Networks: A Stochastic Geometry Approach
Amin Azari, Cicek Cavdar
Leveraging grant-free radio access for enabling lowpower wide-area (LPWA) Internet of Things (IoT) connectivity has attracted lots of attention in recent years. Regarding lack of r…
Latency-Energy Tradeoff based on Channel Scheduling and Repetitions in NB-IoT Systems
Amin Azari, Guowang Miao, Cedomir Stefanovic +1
Narrowband IoT (NB-IoT) is the latest IoT connectivity solution presented by the 3GPP. NB-IoT introduces coverage classes and introduces a significant link budget improvement by al…
Optimized Resource Provisioning and Operation Control for Low-power Wide-area IoT Networks
Amin Azari, Meysam Masoudi, Cicek Cavdar
The tradeoff between cost of the access network and quality of offered service to IoT devices, in terms of reliability and durability of communications, is investigated. We first d…
Network Lifetime Maximization for Cellular-Based M2M Networks
Amin Azari, Guowang Miao
High energy efficiency is critical for enabling massive machine-type communications (MTC) over cellular networks. This work is devoted to energy consumption modeling, battery lifet…
Grant-free Radio Access IoT Networks: Scalability Analysis in Coexistence Scenarios
Meysam Masoudi, Amin Azari, Emre Altug Yavuz +1
IoT networks with grant-free radio access, like SigFox and LoRa, offer low-cost durable communications over unlicensed band. These networks are becoming more and more popular due t…
Grant-Free Radio Access for Short-Packet Communications over 5G Networks
Amin Azari, Petar Popovski, Guowang Miao +1
Radio access management plays a vital role in delay and energy consumption of connected devices. The radio access in existing cellular networks is unable to efficiently support mas…
-MAC: Energy Efficient Medium Access for Massive M2M Communications
Guowang Miao, Amin Azari, Taewon Hwang
In this paper, we investigate energy-efficient clustering and medium access control (MAC) for cellular-based M2M networks to minimize device energy consumption and prolong network…
Energy Efficient Scheduling and Groupping for Machine-TYpe Communications over Cellular Networks
Amin Azari
In this paper, energy-efficient scheduling for grouped machine-type devices deployed in cellular networks is investigated. We introduce a scheduling-based cooperation incentive sch…
Degrees of Freedom for Instantaneous-Relay Aided Interference Channel: Bounds and Achievable Schemes
Amin Azari, Farshad Lahouti, Tobias Weber
The K-user flat fading MIMO interference channel with J instantaneous relays (KICJR) is considered. In the KICJR, the effective channel between sources and destinations including t…
Power Allocation in Multi-hop OFDM Transmission Systems with Amplify-and-Forward Relaying: A Unified Approach
Amin Azari, Jalil S. Harsini, Farshad Lahouti
In this paper a unified approach for power allocation (PA) problem in multi-hop orthogonal frequency division multiplexing (OFDM) amplify-and-forward (AF) relaying systems has been…
Performance Analysis of Ad-Hoc Routing in Clustered Multi-hop Wireless Networks
Amin Azari, Jalil Seifali Harsini, Farshad Lahouti
This paper analyzes the performance of clustered decode-and-forward multi-hop relaying (CDFMR) wireless Rayleigh fading networks, and sheds light on their design principles for ene…