Search results for: Muhammad Ali Imran

Items from 1 to 20 out of 171 results

article

Towards proactive context-aware self-healing for 5G networks

Muhammad Zeeshan Asghar, Paavo Nieminen, Seppo Hämäläinen, Tapani Ristaniemi, more

Computer Networks > 2017 > 128 > C > 5-13

In this paper, we suggest a new research direction and a future vision for Self-Healing (SH) in Self-Organizing Networks (SONs). The problem we wish to solve is that traditional SH solutions may not be sufficient for the future needs of cellular network management because of their reactive nature, i.e., they start recovering after detecting already occurred faults instead of preparing for possible...

article

Spatial and Social Paradigms for Interference and Coverage Analysis in Underlay D2D Network

Hafiz Attaul Mustafa, Muhammad Zeeshan Shakir, Muhammad Ali Imran, Rahim Tafazolli

IEEE Transactions on Vehicular Technology > 2017 > 66 > 10 > 9328 - 9337

The homogeneous Poisson point process is widely used to model spatial distribution of base stations and mobile terminals. The same process can be used to model underlay device-to-device (D2D) network; however, neglecting homophilic relation for D2D pairing presents underestimated system insights. In this paper, we model both spatial and social distributions of interfering D2D nodes as proximity-based...

article

Electromagnetic Emission-Aware Scheduling for the Uplink of Multicell OFDM Wireless Systems

Yusuf Abdulrahman Sambo, Fabien Heliot, Muhammad Ali Imran

IEEE Transactions on Vehicular Technology > 2017 > 66 > 9 > 8212 - 8222

The increasing demand for data and multimedia services, as well as the ubiquitous nature of the current generation of mobile devices have resulted in continuous network upgrades to support an ever-increasing number of users. Given that wireless communication systems rely on radiofrequency waves, the electromagnetic (EM) emissions from these systems are increasingly becoming a concern, especially in...

chapter

Coverage analysis in the uplink of mmWave cellular networks

Oluwakayode Onireti, Ali Imran, Muhammad Ali Imran

2017 European Conference on Networks and Communications (EuCNC) > 1 - 6

2017 European Conference on Networks and Communications (EuCNC)

In this paper, we present an analytical framework to evaluate the coverage in the uplink of millimeter wave (mmWave) cellular networks. By using a distance dependent line-of-sight (LOS) probability function, the location of LOS and non-LOS user equipment (UE) are modeled as two independent non-homogeneous Poisson point processes, with each having different pathloss exponent. The analysis takes account...

chapter

Fuzzy Q-learning-based user-centric backhaul-aware user cell association scheme

Farrukh Pervez, Mona Jaber, Junaid Qadir, Shahzad Younis, more

2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC) > 1840 - 1845

2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC)

Heterogeneous networks are a key solution to serving the exponential surge in data volume and higher quality expectations. Nonetheless, such networks require the ubiquitous presence of fiber-to-the-cell to address the performance demands of 5G and fast-spreading small cells. To this end, innovative ways of optimizing the usage of realistic backhaul links are being investigated. In this work, we propose...

chapter

Spatial quadrature modulation for visible light communication in indoor environment

Diana W. Dawoud, Fabien Heliot, Muhammad Ali Imran, Rahim Tafazolli

2017 IEEE International Conference on Communications (ICC) > 1 - 6

ICC 2017 - 2017 IEEE International Conference on Communications

In this paper, a novel low-complexity and spectrally efficient modulation scheme for visible light communication (VLC) is proposed. Our new spatial quadrature modulation (SQM) is designed to efficiently adapt traditional complex modulation schemes to VLC; i.e. converting multi-level quadrature amplitude modulation (M-QAM), to real-unipolar symbols, making it suitable for transmission over light intensity...

chapter

On the joint optimisation of radio access and backhaul networks

Mona Jaber, Muhammad Ali Imran, Rahim Tafazolli, Anvar Tukmanov

2017 International Conference on Innovations in Electrical Engineering and Computational Technologies (ICIEECT) > 1 - 5

2017 International Conference on Innovations in Electrical Engineering and Computational Technologies (ICIEECT)

The distinction between the radio access network and the backhaul network is disappearing with emerging advanced features. The backhaul is invading the radio assess spectrum to enable wireless in-band connections and the radio network is overlapping with the transport network through cloud processing and distributed functions. As such, it is of pivotal importance to approach the optimisation of the...

article

Modular Approach for Modelling the Hybrid Multi-Hop Backhaul Performance

Mona Jaber, Muhammad Ali Imran, Andy Sutton, Anvar Tukmanov, more

IEEE Wireless Communications Letters > 2017 > 6 > 2 > 262 - 265

The backhaul is a cornerstone in the development of future cellular networks and not the least challenging. The difficulty of designing the future backhaul is in the expected range of performance metrics that is increasing in breadth and in rising standards. Novel ideas for solving the heterogeneous backhaul problem are frequently proposed. Tractable analytical models that capture the performance...

article

Radio Resource Allocation for Multicarrier Low-Density-Spreading Multiple Access

Mohammed Al-Imari, Muhammad Ali Imran, Pei Xiao

IEEE Transactions on Vehicular Technology > 2017 > 66 > 3 > 2382 - 2393

Multicarrier low-density-spreading multiple access (MC-LDSMA) is a promising multiple access technique that enables near-optimal multiuser detection. In MC-LDSMA, each user's symbol is spread over a small set of subcarriers, and each subcarrier is shared by multiple users. The unique structure of MC-LDSMA makes the radio resource allocation more challenging compared with some well-known multiple access...

chapter

Energy-Efficient SON-Based User-Centric Backhaul Scheme

Mona Jaber, Muhammad Ali Imran, Rahim Tafazolli, Anvar Tukmanov

2017 IEEE Wireless Communications and Networking Conference Workshops (WCNCW) > 1 - 6

2017 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)

Energy efficiency in future networks is a global and paramount requirement driven by the desire to reduce networks' carbon footprint and energy bills, as well as extend the battery life of devices. Ultra-dense small cell deployment is a key enabler of such networks as it addresses the energy efficiency aspect of its radio section. However, the small cell backhaul mark of energy consumption is one...

chapter

On the impact of HARQ on the throughput and energy efficiency using cross-layer analysis

Mariano Eduardo Burich, Richard Demo Souza, Glauber Brante, Oluwakayode Onireti, more

2017 Wireless Days > 146 - 151

2017 Wireless Days (WD)

This paper studies the potential improvements in terms of energy efficiency and system throughput of a hybrid automatic retransmission request (HARQ) mechanism. The analysis includes both the physical (PHY) and medium access (MAC) layers. We investigate the trade-off provided by HARQ, which demands reduced transmit power for a given target outage probability at the cost of more accesses to the channel...

chapter

Feasibility, architecture and cost considerations of using TVWS for rural Internet access in 5G

Mohsin Khalil, Junaid Qadir, Oluwakayode Onireti, Muhammad Ali Imran, more

2017 20th Conference on Innovations in Clouds, Internet and Networks (ICIN) > 23 - 30

2017 20th Conference on Innovations in Clouds, Internet and Networks (ICIN)

The cellular technology is mostly an urban technology that has been unable to serve rural areas well. This is because the traditional cellular models are not economical for areas with low user density and lesser revenues. In 5G cellular networks, the coverage dilemma is likely to remain the same, thus widening the rural-urban digital divide further. It is about time to identify the root cause that...

article

Predictive and Core-Network Efficient RRC Signalling for Active State Handover in RANs With Control/Data Separation

Abdelrahim Mohamed, Oluwakayode Onireti, Muhammad Ali Imran, Ali Imran, more

IEEE Transactions on Wireless Communications > 2017 > 16 > 3 > 1423 - 1436

Frequent handovers (HOs) in dense small cell deployment scenarios could lead to a dramatic increase in signaling overhead. This suggests a paradigm shift toward a signaling conscious cellular architecture with intelligent mobility management. In this direction, a futuristic radio access network with a logical separation between control and data planes has been proposed in research community. It aims...

article

Electromagnetic Emission-Aware Schedulers for the Uplink of OFDM Wireless Communication Systems

Yusuf Abdulrahman Sambo, Mohammed Al-Imari, Fabien Heliot, Muhammad Ali Imran

IEEE Transactions on Vehicular Technology > 2017 > 66 > 2 > 1313 - 1323

The popularity and convergence of wireless communications have resulted in continuous network upgrades to support the increasing demand for bandwidth. However, given that wireless communication systems operate on radio-frequency waves, the health effects of electromagnetic (EM) emission from these systems are increasingly becoming a concern due to the ubiquity of mobile communication devices. To address...

article

Hardware Complexity Reduction in Universal Filtered Multicarrier Transmitter Implementation

Atif Raza Jafri, Javaria Majid, Muhammad Ali Shami, Muhammad Ali Imran, more

IEEE Access > 2017 > 5 > 13401 - 13408

The inclusion of machine-type communication in the 5G technology has motivated the research community to explore new derivative waveforms of orthogonal frequency division multiplexing. Filter bank multicarrier, universal filtered multicarrier (UFMC), and generalized frequency division multiplexing techniques are under evaluation with respect to their suitability to 5G requirements. In addition to...

article

A Survey of Machine Learning Techniques Applied to Self-Organizing Cellular Networks

Paulo Valente Klaine, Muhammad Ali Imran, Oluwakayode Onireti, Richard Demo Souza

IEEE Communications Surveys & Tutorials > 2017 > 19 > 4 > 2392 - 2431

In this paper, a survey of the literature of the past 15 years involving machine learning (ML) algorithms applied to self-organizing cellular networks is performed. In order for future networks to overcome the current limitations and address the issues of current cellular systems, it is clear that more intelligence needs to be deployed so that a fully autonomous and flexible network can be enabled...

article

Energy efficient hybrid satellite terrestrial 5G networks with software defined features

Jiaxin Zhang, Xing Zhang, Muhammad Ali Imran, Barry Evans, more

Journal of Communications and Networks > 2017 > 19 > 2 > 147 - 161

In order to improve the manageability and adaptability of future 5G wireless networks, the software orchestration mechanism, named software defined networking (SDN) with control and user plane (C/U-plane) decoupling, has become one of the most promising key techniques. Based on these features, the hybrid satellite terrestrial network is expected to support flexible and customized resource scheduling...

article

Mobile Health in the Developing World: Review of Literature and Lessons From a Case Study

Siddique Latif, Rajib Rana, Junaid Qadir, Anwaar Ali, more

IEEE Access > 2017 > 5 > 11540 - 11556

The mHealth trend, which uses mobile devices and associated technology for health interventions, offers unprecedented opportunity to transform the health services available to people across the globe. In particular, the mHealth transformation can be most disruptive in the developing countries, which is often characterized by a dysfunctional public health system. Despite this opportunity, the growth...

chapter

Energy Efficiency Analysis of Heterogeneous Cache-Enabled 5G Hyper Cellular Networks

Jiaxin Zhang, Xing Zhang, Muhammad Ali Imran, Barry Evans, more

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

The emerging 5G wireless networks will pose extreme requirements such as high throughput and low latency. Caching as a promising technology can effectively decrease latency and provide customized services based on group users behaviour (GUB). In this paper, we carry out the energy efficiency analysis in the cache-enabled hyper cellular networks (HCNs), where the macro cells and small cells (SCs) are...

chapter

A Multiple Attribute User-Centric Backhaul Provisioning Scheme Using Distributed SON

Mona Jaber, Muhammad Ali Imran, Rahim Tafazolli, Anvar Tukmanov

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

The backhaul network is a critical challenge towards the success of 5G and corresponding difficulties are many-fold, such as network coverage expansion, very high bandwidth, ultra- low latency and energy consumption, at a minimum cost. No single backhaul solution can address all these requirements but, on the other hand, not all of the backhaul links require the same set of stringent requirements...

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INFONA - science communication portal

Search results for: Muhammad Ali Imran

Towards proactive context-aware self-healing for 5G networks

Spatial and Social Paradigms for Interference and Coverage Analysis in Underlay D2D Network

Electromagnetic Emission-Aware Scheduling for the Uplink of Multicell OFDM Wireless Systems

Coverage analysis in the uplink of mmWave cellular networks

Fuzzy Q-learning-based user-centric backhaul-aware user cell association scheme

Spatial quadrature modulation for visible light communication in indoor environment

On the joint optimisation of radio access and backhaul networks

Modular Approach for Modelling the Hybrid Multi-Hop Backhaul Performance

Radio Resource Allocation for Multicarrier Low-Density-Spreading Multiple Access

Energy-Efficient SON-Based User-Centric Backhaul Scheme

On the impact of HARQ on the throughput and energy efficiency using cross-layer analysis

Feasibility, architecture and cost considerations of using TVWS for rural Internet access in 5G

Predictive and Core-Network Efficient RRC Signalling for Active State Handover in RANs With Control/Data Separation

Electromagnetic Emission-Aware Schedulers for the Uplink of OFDM Wireless Communication Systems

Hardware Complexity Reduction in Universal Filtered Multicarrier Transmitter Implementation

A Survey of Machine Learning Techniques Applied to Self-Organizing Cellular Networks

Energy efficient hybrid satellite terrestrial 5G networks with software defined features

Mobile Health in the Developing World: Review of Literature and Lessons From a Case Study

Energy Efficiency Analysis of Heterogeneous Cache-Enabled 5G Hyper Cellular Networks

A Multiple Attribute User-Centric Backhaul Provisioning Scheme Using Distributed SON

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