Athul Prasad

Samsung | samsung

The exponential increase in capacity and data rate demands, along with the diversification of use cases and verticals that are planning to use cellular radio access networks (RANs) to provide connectivity, has prompted the development of the fifth generation (5G) of radio access technology. Traffic steering, which aims at optimum mapping of the dat...

5G networks are expected to support significantly higher data rates than legacy networks through ultra-dense deployment of networks, higher system bandwidths and higher spectral efficiency. Such networks would also be supporting a diverse set of use cases in order to provide connectivity solutions for other industry verticals. One of the key requir...

Currently, many sensor data networks are managed using Machine-to-Machine (M2M) or Machine Type Communications (MTC) technologies. One of the key factors for the success of sensor data networks is in developments of international M2M/MTC standards. As 3GPP and oneM2M are actively working on standardizing M2M/MTC specifications for 3GPP core network...

The exponential growth of the demand for higher data rates has motivated the 5G ecosystem to continually evolve and add new features to the system. 3GPP enhanced Release-17 specifications in order to add new capabilities to 5G that will address new services and verticals. One of the key enhancements currently being done relates to the support for m...

The exponential growth of the demand for higher data rates has motivated the 5G ecosystem to continually evolve and add new features to the system. 3GPP enhanced Release-17 specifications in order to add new capabilities to 5G that will address new services and verticals. One of the key enhancements currently being done relates to the support for m...

3GPP is currently working on finalizing Release-18 specifications to add new capabilities to 5G that will address new services and verticals, specifically in the context of support for multicast traffic. One of the key enhancements currently being done relates to the support for multicast transmissions, with a key focus on support for reception by...

Explore the evolution of 5G mobile networks services applications and security. This comprehensive engineering textbook discusses the foundations of mobile communications—from framework to function—with a special focus on 5G services networks and software.

3GPP is working on a 5G multimedia broadcast multicast service (5G-MBMS) subsystem to deliver broadcast-type services and to achieve higher spectrum utilization for applications that can benefit from using point-to-multipoint (PTM) transmissions. The 5G-MBMS subsystem should provide a unified transmission platform for delivering mixed unicast, mult...

The launch of 5G technology based on 3rd Generation Project Partnership (3GPP) Release 15 was completed in December 2018. An open issue with this release of standards is that it supports only unicast communications in the core network and point-to-point (PTP) transmissions in the radio access network (RAN) but does not support multicast/broadcast c...

The first release of 5th Generation (5G) technology from 3rd Generation Project Partnership (3GPP) Rel’15 has been completed in December 2018. An open issue with this release of standards is that it only supports unicast communications in the core network and Point-To-Point (PTP) transmissions in the Radio Access Network (RAN), and does not support...

The work on enhancing real-time Vehicular-to-Everything (V2X) communications is advancing in 3GPP with ongoing efforts in radio and core network working groups. At the same time, concerted efforts are underway on the application layer to ensure a successful deployment and provisioning of real-time communications to enable interworking V2X services....

For the success of real-time Vehicular-to-Everything (V2X) communications, it is paramount that 5G mobile networks be resilient, highly reliable, and secure in the delivery and reception of information to and from the vehicle. There are several concerted efforts underway in 3GPP and oneM2M to enhance the end-to-end transmission and forwarding of da...

Virtual reality is one of the most challenging use cases in 5G due to the need for simultaneous support for high data rates, low-latency and high-reliability. In this work, we consider a radio resource efficient mechanism for the mass delivery of such content to a multitude of users with D2D augmented 5G broadcast. Based on detailed performance eva...

5G network technologies are evolving in a tremendous pace, enhancing the potential for being adopted and exploited by vertical industries and serve advance networking requirements needs. Towards this direction, a set of 5G PPP projects are providing contributions for tackling aspects related to the overall lifecycle of 5G vertical applications desi...

Exponential increase in data rate demand has lead to the periodic upgrade of mobile network infrastructure, with a new generation of wireless access technology being developed every decade. Currently, the fifth generation (5G) of mobile networks supporting higher data rates and reliability, with lower latency are being developed and planned to be d...

This document describes the 5G mobile core network that enables multicast and broadcast capabilities where two different alternatives have been considered. This document provides an analysis of the architectural alternatives. The architectural alternatives have been built based on the 5G-Xcast design principles and building blocks. Two different ap...

In the recent past, with the ubiquitous adoption of smartphones and tablets, there has been an exponential increase in data rate demands which has become increasingly challenging for network operators to support. This trend is expected to continue in future, with the advent of high-performance gaming and increasing appetite for immersive applicatio...

This paper presents the description of several key RAN enablers for the radio resource management (RRM) framework of the fifth generation (5G) radio access network (RAN), referred to as building blocks of the 5G RRM. In particular, the following key RAN enablers are discussed: i) interference management techniques for dense and dynamic deployments,...

This chapter provides an overview of the fast traffic steering and radio resource management (RRM) mechanisms envisioned for 5th generation (5G). It presents briefly the quality of service (QoS) framework for 5G networks, focusing on service classification mechanisms. The chapter focuses on the network‐controlled resource allocation for scheduled u...

The seven articles in this special section focus on fifth generation (5G) mobile vertical and communications services that are made available via network softwarization and network slicing. 5G networks are expected to facilitate a business ecosystem enabling innovative services and networking capabilities for new industry stakeholders such as verti...

This deliverable sets out the vision of a flexible, self-organizing content delivery network which can combine unicast, multicast, broadcast and caching to deliver content cost-effectively at scale. It outlines the broad operation of such as system in a network-agnostic manner and identifies and proposes the core functional elements and the key tec...

This report defines technical requirements for the WP3 on Radio Access Network (RAN) for the use cases of the four vertical sectors on Media & Entertainment, Public Warning, Automotive, and Internet of Things. The selection of the Key Performance Indicators (KPI) and evaluation methodology for the RAN benchmark has been aligned with one defined by...

The demand for wireless information exchange in the form of data and multimedia content has been growing exponentially over the past few years, and the trends are expected to persist for the future. Due to the continued growth in demand and support required for new use cases and features, currently the fifth generation (5G) of mobile networks are b...

The seven articles in this special section focus on agile radio resource management technologies for use in 5G mobile communications (5G). 5G networks will support a wide range of frequency bands, features, and use cases, with native support for efficient operation. 5G is considered as a significant disruptor to traditional mobile networks. Some of...

This deliverable provides the consolidated preliminary view of the METIS-II partners on the 5 th generation (5G) radio access network (RAN) design at a mid-point of the project. The overall 5G RAN is envisaged to operate over a wide range of spectrum bands comprising of heterogeneous spectrum usage scenarios. More precisely, the 5G air interface (A...

This deliverable contains draft concepts on synchronous control functions and associated resource abstraction considerations, where the latter area aimeda to foster air interface (AI) variant (AIV) overarching operation of the former. The presented initial findings and analyses are the first essential stride towards an agile resource management (RM...

In this paper, we consider the provisioning of public safety communications using mobile networks based on LTE-Advanced in a radio resource efficient manner. Different network deployment alternatives are investigated, and impacts of providing delay critical group communications using unicast and multicast bearers are analyzed. This work has a twofo...

This paper introduces mechanisms and algorithms for managing efficiently the resources of Time-Division Long Term Evolution (TD-LTE) networks in a flexible manner enabling (i) dynamic frame alternation at each evolved Node B(eNB) and (ii) forming virtual cells, which allow diverse resource utilization to users residing within regions that can utili...

Frequency Spectrum is a non-renewable limited radio resource and therefore every effort has been made to efficiently utilize the spectrum. In LTE Release 10, 3GPP introduced carrier aggregation as a key enabler to meet the requirements set by IMT-Advanced by combining component carriers and have an aggregated bandwidth of up to 100 MHz. Further enh...

An explosive growth in the demand for higher data rates and capacity along with diverse requirements set by massive and ultra-reliable machine-type communications are the main drivers behind the development on new access technologies as part of the fifth generation (5G) networks. Currently, different air interface (AIF) and/or AIF variants, optimiz...

The Third Generation Partnership Project (3GPP) has been working on developing specifications on Machine Type Communications (MTC), also known as Machine to Machine Communications (M2M), which is all part of Internet of Things (IoT), a technology that enables machines and devices to be interconnected via the internet. This paper presents recent M2M...

With the exponentially increasing capacity demands anticipated in next generation wireless networks, densifying the network using cmW and mmW small cells supporting high bandwidths is seen to be the trend in 5G networks. Such ultra-dense deployment of cells would also lead to a higher amount of power consumption, from the UE and network perspective...

Heterogeneous networks have been firmly established as the direction in which next-generation cellular networks are evolving. We consider the dense deployment of small cells to provide enhanced capacity, while the macro cells provide wide area coverage. With the development of dual connectivity technology, deploying small cells on dedicated carrier...

The explosive growth of the demand for higher data rates in mobile networks have been mainly driven by the increasing use of cloud based applications by smartphones. This has led the industry to investigate new radio access technologies to be deployed as part of 5G networks, while providing mechanisms to manage user mobility and traffic in a more e...

Research activities in METIS reported in this document focus on proposing solutions to the network-level challenges of future wireless communication networks. Thereby, a large variety of scenarios is considered and a set of technical concepts is proposed to serve the needs envisioned for the 2020 and beyond. This document provides the final finding...

Machine-to-Machine (M2M) communications is considered to be one of the key enablers for the provisioning of advanced applications and services such as smart cities and hospitals, as well as automated vehicular and industrial automation operation. Currently, in LTE-Advanced systems, the main focus has been on supporting massive deployment of low cos...

Device-to-device (D2D) communications facilitate promising solutions for service optimization and spectrum/capacity efficiency in the Third-Generation Partnership Project (3GPP) networks. A key enabler for D2D communications and proximity services (ProSe) is the device discovery process. Currently, many aggressive peer discovery methods discussed i...

One of major purposes of these standard technologies is to ensure interoperability between entities from different vendors and enable interworking between various technologies. As interoperability and interworking are essential for machine-to-machine communications (M2M) and Internet of Things (IoT) for them to achieve their ultimate goal, i.e., th...

In this paper, we consider backhaul-aware mechanisms for energy e cient operation of next generation heterogeneous wireless networks, with dense small cell deployments. We assume control and data plane separation based on the LTE-Advanced dual connectivity architecture. The mechanisms are evaluated using LTE-Advanced heterogeneous network scenarios...

Centralized radio access networks rely on transport networks with very high throughput and very low latency. In the case of nonideal backhaul, it may be necessary to only centralize parts of the radio access network. This implies several timing and protocol constraints, e.g., predefined timing of retransmissions due to hybrid ARQ. In this paper, an...

In this paper, we consider the use of heterogeneous networks with close integration between the cells, using dual connectivity and fiber optic backhaul. The energy efficiency of such a network is evaluated in comparison with some of the existing traffic offloading mechanisms. We try to enhance the mechanisms taking the system energy efficiency, and...

This paper introduces the concept of virtual cells in Time-Division Long Term Evolution (TD-LTE) systems, which enables users residing in overlapping cells’ coverage regions to utilize resources from multiple base stations. The benefits of virtual cells are realized by the efficient resource utilization, via adapting the network resource availabili...

Recent advances in 3GPP for device-to-device (D2D) communications underlying the cellular infrastructure have revealed several benefits regarding network resource management and increased coverage. Notwithstanding these advantages, peer discovery may significant amount of device battery if devices need to constantly sense and notify each other irre...

In this paper, we present a novel small cell activation mechanism for heterogeneous networks, which considers the energy saving gains obtained based on the amount of traffic load offloaded from the macro cell to small cells, while avoiding UE QoS degradation. The main idea is to offload traffic to small cells in energy saving mode, only when there...

We consider the use of received signal strength based radio fingerprints for energy efficient inter-frequency small cell discovery. The fingerprint data is optimized by removing redundant information and sent to the mobile station by the network on entering a cell for the first time within a specified time period. The fingerprint data is further us...

In this paper we consider the use of an energy efficient, mobility state based flexible scanning mechanism for the discovery of small cells deployed in a different carrier. The evaluated scheme considers the mobility state of the mobile terminal in a heterogeneous network scenario for determining the inter-frequency scanning rate and suspends inter...

Heterogeneous Network deployments are one of the key enablers in providing ubiquitous coverage and capacity enhancements for satisfying high data rate and Quality of Service requirements for LTE-Advanced networks. In this paper we propose an energy efficient small cell discovery mechanism for heterogeneous networks by means of flexible inter-freque...

We consider the use of received signal strength based radio fingerprints to discover small cells in heterogeneous networks, deployed in a different carrier frequency as compared to a macro-cell network. We propose using a flexible fingerprint matching region around fingerprint reference locations in order to provide energy efficient small-cell disc...

Heterogeneous network, or HetNet, deployments are one of the key enablers in providing ubiquitous coverage and capacity enhancements for LTE-Advanced networks. They play an important role in achieving high data rate and quality of service requirements defined for next generation wireless networks. In this article we evaluate various cell discovery...

Apparatuses and methods for providing distributed capacity based channel assignment in a radio frequency base station servicing a local area. A method can include determining that an additional channel is needed, receiving reports from user equipment connected to the base station over the air interface indicating the gain in capacity due to the add...

Apparatuses and methods for providing distributed capacity based channel assignment in a radio frequency base station servicing a local area. A method comprises: determining that an additional channel is needed, receiving reports from user equipment connected to the base station over the air interface indicating the gain in capacity due to the adde...

Local area deployments in general and femtocells in particular have proved to be an effective solution for providing ubiquitous coverage in a cost-efficient manner, satisfying the high data rate and QoS requirements for LTE-Advanced systems. In this paper, we investigate inter-cell interference management schemes for dense local area deployments. W...

The past decade has seen a vast growth in wireless communication, continuously fueled by the users' ever-increasing demand for higher data rates. Various technologies are constantly competing with each other, trying to establish supremacy over other concurrent technologies and desperately vying to make its own space in the field of telecommunicatio...