291 citations · 425 across the 33 of their papers we have counts for
30 papers · 1 filter
Low-Subpacketization MIMO Coded Caching with Flexible Stream Allocation
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
Subpacketization remains a major obstacle to the practical deployment of coded caching (CC) in multi-antenna wireless networks. In this paper, we propose a low-complexity multiple-…
Cache-Aided Asymmetric MIMO Communications: Achievable DoF Analysis
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
Integrating coded caching (CC) into multiple-input multiple-output (MIMO) communications significantly enhances the achievable degrees of freedom (DoF). This paper investigates a p…
Asymmetric Stream Allocation and Linear Decodability in MIMO Coded Caching
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
Coded caching (CC) can transform cache memory at network devices into an active communication resource and significantly enhance the Degrees of Freedom (DoF) of multi-input multi-o…
SIC-free Multicast Scheduling for Multi-antenna Coded Caching
MohammadJavad Sojdeh, MohammadJavad Salehi, Antti Tölli
Multi-antenna coded caching (CC) with multicast beamforming typically relies on a complex successive interference cancellation (SIC) structure to decode a superposition of multiple…
Cache-Aided MIMO Communications: DoF Analysis and Transmitter Optimization
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
Cache-aided MIMO communications aims to jointly exploit both coded caching~(CC) and spatial multiplexing gains to enhance communication efficiency. In this paper, we analyze both t…
Coded Multi-User Information Retrieval with a Multi-Antenna Helper Node
Milad Abolpour, MohammadJavad Salehi, Soheil Mohajer +2
A novel coding design is proposed to enhance information retrieval in a wireless network of users with partial access to the data, in the sense of observation, measurement, computa…
Optimal Fairness Scheduling for Coded Caching in Multi-AP Multi-antenna WLAN
Kagan Akcay, MohammadJavad Salehi, Antti Tölli +1
Coded caching (CC) schemes exploit the cumulative cache memory of network users, outperforming traditional uncoded schemes where cache contents are only used locally. Interestingly…
Low-complexity Linear Multicast Beamforming for Cache-aided MIMO Communications
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
A practical and scalable multicast beamformer design in multi-input multi-output~(MIMO) coded caching~(CC) systems is introduced in this paper. The proposed approach allows multica…
Cache-Aided Communications in MISO Networks with Dynamic User Behavior
Milad Abolpour, MohammadJavad Salehi, Antti Tölli
Coded caching (CC) can substantially enhance network performance by leveraging memory as an additional communication resource. However, the use of CC is challenging in various prac…
Optimal Fairness Scheduling for Coded Caching in Multi-AP Wireless Local Area Networks
Kagan Akcay, MohammadJavad Salehi, Giuseppe Caire
Coded caching (CC) schemes exploit the cumulative cache memory of the users and simple linear coding to turn unicast traffic (individual file requests) into a multicast transmissio…
Low-Complexity Multi-Antenna Coded Caching Using Location-Aware Placement Delivery Arrays
Hamidreza Bakhshzad Mahmoodi, MohammadJavad Salehi, Antti Tolli
A location-aware multi-antenna coded caching scheme is proposed for applications with location-dependent data requests, such as wireless immersive experience, where users are immer…
Cache-Aided Communications in MISO Networks with Dynamic User Behavior: A Universal Solution
Milad Abolpour, MohammadJavad Salehi, Antti Tölli
A practical barrier to the implementation of cache-aided networks is dynamic and unpredictable user behavior. In dynamic setups, users can freely depart and enter the network at an…
Multicast Transmission Design with Enhanced DoF for MIMO Coded Caching Systems
Mohammad NaseriTehrani, MohammadJavad Salehi, Antti Tölli
Integrating coded caching (CC) into multi-input multi-output (MIMO) setups significantly enhances the achievable degrees of freedom (DoF). We consider a cache-aided MIMO configurat…
Multicast Beamformer Design for MIMO Coded Caching Systems
MohammadJavad Salehi, Mohammad NaseriTehrani, Antti Tölli
Coded caching (CC) techniques have been shown to be conveniently applicable in multi-input multi-output (MIMO) systems. In a -user network with spatial multiplexing gains of …
Multi-antenna Coded Caching at Finite-SNR: Breaking Down the Gain Structure
MohammadJavad Salehi, Antti Tölli
Multi-antenna coded caching (CC) techniques are considered viable options for achieving higher data rates in future networks, especially for the prominent use case of multimedia-dr…
Coded Caching and Spatial Multiplexing Gain Trade-off in Dynamic MISO Networks
Milad Abolpour, MohammadJavad Salehi, Antti Tolli
The global caching gain of multi-antenna coded caching techniques can be also mostly achieved in dynamic network setups, where the cache contents of users are dictated by a central…
Asymmetric Coded Caching for Multi-Antenna Location-Dependent Content Delivery
Hamidreza Bakhshzad Mahmoodi, MohammadJavad Salehi, Antti Tölli
Efficient usage of in-device storage and computation capabilities are key solutions to support data-intensive applications such as immersive digital experiences. This paper propose…
Low-Subpacketization Multi-Antenna Coded Caching for Dynamic Networks
MohammadJavad Salehi, Emanuele Parrinello, Hamidreza Bakhshzad Mahmoodi +1
Multi-antenna coded caching combines a global caching gain, proportional to the total cache size in the network, with an additional spatial multiplexing gain that stems from multip…
A Low-Subpacketization High-Performance MIMO Coded Caching Scheme
MohammadJavad Salehi, Hamidreza Bakhshzad Mahmoodi, Antti Tölli
In this paper, we study how coded caching can be efficiently applied to multiple-input multiple-output (MIMO) communications. This is an extension to cache-aided multiple-input sin…
Low-complexity Multicast Beamforming for Multi-stream Multi-group Communications
Hamidreza Bakhshzad Mahmoodi, Bikshapathi Gouda, MohammadJavad Salehi +1
In this paper, assuming multi-antenna transmitter and receivers, we consider multicast beamformer design for the weighted max-min-fairness (WMMF) problem in a multi-stream multi-gr…
Non-Symmetric Coded Caching for Location-Dependent Content Delivery
Hamidreza Bakhshzad Mahmoodi, MohammadJavad Salehi, Antti Tölli
Immersive viewing is emerging as the next interface evolution for human-computer interaction. A truly wireless immersive application necessitates immense data delivery with ultra-l…
Low-Complexity High-Performance Cyclic Caching for Large MISO Systems
MohammadJavad Salehi, Emanuele Parrinello, Seyed Pooya Shariatpanahi +2
Multi-antenna coded caching is known to combine a global caching gain that is proportional to the cumulative cache size found across the network, with an additional spatial multipl…
Coded Caching with Uneven Channels: A Quality of Experience Approach
MohammadJavad Salehi, Antti Tölli, Seyed Pooya Shariatpanahi
The rate performance of wireless coded caching schemes is typically limited by the lowest achievable per-user rate in the given multicast group, during each transmission time slot.…
Stochastic Geometry Analysis of Sojourn Time in Multi-Tier Cellular Networks
Mohammad Salehi, Ekram Hossain
Impact of mobility will be increasingly important in future generation wireless services and the related challenges will need to be addressed. Sojourn time, the time duration that…