Search query: 5G RF front end module architectures for mobile applications

Related papers:

abstract: The explosive growth and adoption of smartphones provides access to voice and data for billions of people worldwide today and connected devices are expect to reach 5.6 billion in 2020. This growth has been and continues to be the engine for semiconductor industry due to required computational power of CMOS technology in lower feature nodes as FinFet 7nm/14nm for application processors, modems and transceivers. The adoption of 5G will bring higher data capacity and low latency using sub 6GHz bands and mmWave spectrum, with the first expected to be deployed in next generation 5G smartphones. This 5G evolution will open up new applications where our phones will be a conduit for massive amounts of data. With lower feature nodes for RF CMOS there is an increased usage of digital signal processing (DSP) and RF digital calibration which are part of modern modem technology. 5G requires more RF bands, so there is a clear shift in terms of what parts of the RF systems are portioned in advanced CMOS nodes and what RF and analogue blocks are integrated with other components such as acoustic duplexers and filters in multiple RF front end modules (RF FEMs) This paper proposes a low cost RF partitioning and architecture which will be part of 5G RF FEMs. This paper also presents some design/measurement results and explains how these modules can be integrated into a complex 4G/5G system RF front end (RFFE) for mobile applications.
author_names: Florinel Balteanu

Hardik Modi

Yunyoung Choi

Junhyung Lee

Serge Drogi

Sabah Khesbak
title: 5G RF Front End Module Architectures for Mobile Applications
venue: 2019 49th European Microwave Conference (EuMC)
year: 2019

abstract: Worldwide adoption of 3G/4G smartphones for more than 5 billion of people has been one of the main driving engine behind semiconductor industry. 5G is expected to bring higher data capacity, low latency and new RF hardware enhancements which will open the market for new application where our smartphones will be a conduit. CMOS lower features nodes as FinFET 7nm/14nm CMOS allow the computational power and lower power consumption required for the use of digital signal processing and RF digital calibration which are essential for 4G/5G modem and application processor technology. The goal of having a single die for the entire 4G/5G functionality has faded away to a more realistic partitioning where many RF and analogue blocks are integrated with other components such as RF acoustic filters in multiple RF front endmodules. This paper presents RF front end architectures which will be part of 5G smartphones together with circuit and measurement details.
author_names: Florinel Balteanu
title: RF Front End Module Architectures for 5G
venue: 2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS)
year: 2019

abstract: generation mobile handsets for 5G and beyond 5G applications. More specifically, the team is looking into improving front end modules by using CMOS compatible III V technologies. These front ends will operate at mm wave frequencies, and will be compact, powerful, cost and energy efficient. Nadine Collaert, program director at imec, sheds light on the technologies that imec is developing and presents first functional devices.
author_names: Nadine Collaert
title: Heterogeneous III V/CMOS technologies for beyond 5G RF front end modules
year: 2020

abstract: The research area of improving the cost, performance and the size of RF transmit solution for 4G/5G is very active with many developments. 5G will bring high data capacity and low latency using sub 6GHz and mmWave spectrum, with the first deployment using sub 6GHz bands. The increased adoption of powerful worldwide mobile devices has been in made possible due to increased computational power of CMOS technology in lower feature nodes as FinFet 7nm/14nm. This has also made it possible to essentially enhance RF CMOS through digital signal processing (DSP) and digital calibration which are part of the modem and application processor. Despite this progress, there is a shift in terms of what parts of the RF system are portioned in advanced CMOS nodes and what blocks are left and integrated together with other analogue and RF blocks in a front end module (FEM) This paper proposes a solution for this partitioning for lower cost and size with high linearity performance and a new envelope tracking system for high power 5G LTE sub 6 GHz. This paper presents also how these modules integrate into a full 4G/5G system RF front end (RFFE) for mobile applications.
author_names: Florinel Balteanu

Hardik Modi

Yu Zhu

Serge Drogi

Sabah Khesbak
title: Envelope Tracking System for High Power Applications in Uplink 4G/5G LTE Advanced
venue: 2018 Asia Pacific Microwave Conference (APMC)
year: 2018

abstract: Digital Video Content is now pervasive and services like IPTV are gaining traction on hand held devices too. Android, a software platform from Google, pioneering middleware and applications for handheld devices does not offer support for content management services by design. Motivated by these observations, we propose an aggregate model software platform to offer content management and value added services (VAS) like IPTV on android. The outline of paper is as follows: First, we discuss few related works to investigate and analyze industry wide content management and delivery practices. Second, we discuss few characteristics of android architecture and detail the constraints associated with middleware to offer such VAS. Consequently, we describe the proposed software platform which addresses key inherent challenges like Efficiency, Extendibility and Security while achieving efficient content delivery. The Module Interconnection Architecture can be visualized to be constituted by three basic building blocks, namely: VAS Content Management framework, IPTV framework and Application Services framework. The architecture employs a different perspective of classifying content based on applications. We point out the need and rationale behind such a classification to correlate in an end 2 end IPTV architecture. We show the benefits of using the Application Services framework to ensure smooth and swift portability onto various flavors of android. Finally, we conclude by detailing some use cases indicating content management services like Electronic Service Guide (ESG) on Android.
author_names: S P Suman Kumar

Vijay Anand
title: A Robust Client Architecture on Android to Cater End 2 End Real Time Content Management and Personalized IPTV Services to Mobile Internet Devices
year: 2010

abstract: This paper describes the design of an MMIC phase shifter which can be used in a 4 channel 26 28 GHZ transmitter IC. The MMIC phase shifter is used for 5G RF front Ended applications. MMICs usually include power amplifiers with 4 bit digital phase shifters to make the phase adjustable. The whole design was used for the transmit chain of a mobile device and in a base station.Future topology will continue to be improved.
author_names: Wei Cai

F G Shi
title: Design of Low Power Medical Device
venue: VLSIC 2017
year: 2017

abstract: Among multiple services delivered over future mobile networks, the most demanding (from the required bandwidth point of view) are related to media streaming, which is a key component in smart applications (entertainment, tourism, surveillance, etc. Such applications have to exploit a considerable amount of data, which is difficult to achieve especially in dense urban environments. In this context, the article presents a new solution for HTTP compliant adaptive media streaming applicable to future 5G mobile networks, aimed at increasing bandwidth availability through the use of multiple radio access technologies and direct connections between devices if they are in proximity of each other. The proposed solution considers a scenario in which a high quality media stream is received by multipath transmission through the radio access network. Collaboration of neighboring devices is exploited by using direct device to device links. Thus, proxy nodes can be inserted between a given media receiver and an access network. Toward ensuring optimized resource allocation at both levels, base station to device and device to device, this article introduces the architectural modules required for collaboration streaming inside the radio access network and end user's device, and proposes enhancements in HTTP compliant adaptive streaming protocols in order to become suitable for a multipath collaborative scenario.
author_names: Jordi Mongay Batalla

Piotr Krawiec

Constandinos X Mavromoustakis

George Mastorakis

Naveen K Chilamkurti

Daniel Negru

Joachim Bruneau-Queyreix

Eugen Borcoci
title: Efficient Media Streaming with Collaborative Terminals for the Smart City Environment
venue: IEEE Communications Magazine
year: 2017

abstract: Social Studies play a big role in one's life. One of the main ideologies that the subject social studies discuss is the history. The said subject helps to mold one's behavior and culture. History helps people to be aware of their civic duties to the society. However, many of them are being misguided to learn the true essence of the subject. There are several factors affecting the interest of the students regarding the Philippine History (PH) subjects. This research project tends to enhance the knowledge of the students towards the PH subject. The researchers developed a mobile game application called Map A to aid the existing problem of some students regarding with understanding and interest of the subject matter. The game is simply a great learning tool for the students that will help them to grasp broad knowledge about the PH. The game provides information and entertainment to the intended users. The system has been developed using prototyping methodology to ensure its capability to achieve its main objective. The authors successfully met all the objectives based on the result of testing and evaluation. History doesn't end as long as people live. It will be more necessary to download and play this game for those who intend to recall or enhance their knowledge regarding Philippine History.
author_names: Anthony M Rivadulla

Jomar L de Jesus

Jover B Saludo

Francis F Balahadia

For-ian V Sandoval
title: PhilLoveHistory: Enhancing knowledge in Philippine history using mobile game application
venue: TENCON 2017 2017 IEEE Region 10 Conference
year: 2017

abstract: The uses of wireless technologies, such as, mobile ad hoc network (MANET) are increasing and it influences the development of new theories and structures for the communication. Wireless mobile communication consists of various nodes communicating with each other directly or through the relay nodes using multi hope network system. There are many MANET routing protocols. These routing protocols are used to deal with dynamic communication. As mobile applications are increasing day by day, we need to analyze these routing protocols to handle more data load at high node density. It motivates the performance comparison of AODV, ZRP and OLSR protocols in mobile ad hoc network. The comparison represents the more effective and reliable protocol for required mobile application. Using OPNET simulator software tool we can analyze these protocols performance on the basis of various matrices like End to End delay, Network load, ReTransmission attempts and Throughput. The results are given with graphical representation.
author_names: Barjinder S Kaler

Munish Rattan

Address for Correspondence
title: A COMPREHENSIVE PERFORMANCE ANALYSIS OF MOBILE AD HOC ROUTING PROTOCOLS UNDER HIGH DATA RATE TRAFFIC HI DEFINITION VIDEO CONFERENCING
year: 2012

abstract: The growing number of discussions on political issues and other issues on social networks result in the polarization of those messages, considering the characteristics of the content selection algorithms used in these platforms. Therefore, the "Cidade Democratica" institute presents the idea of a new social participation platform, the "Pushing Together" to be used in web and mobile applications. The idea is to allow the user to create and participate of conversations, performing comments and/or votes on a comment of another participant. With the given votes, people who answered in a similar way are grouped, allowing the user to get a wide vision of all opinions. The "Pushing Together" platform need to have these funcionalities of user/conversations management and user grouping to fulfill its purpose. Offering these functionalities as web services would be meaningful contribution to the project. Moreover, a more flexible solution would be making possible to group the users using different configurable classification techniques. The goal of this study was the implementation of a RESTful API that holds all the functionalities mentioned above and an architecture that allows the use of different classification methods to group the users. The study was made in five steps and the API was implemented in six iterations. Along with the services module (API) the architecture was proposed with another two modules, the client module to provide the platform graphic interface and the math module to be responsible for the user grouping. At the end of development, an application was built to validate the API and the proposed architecture. In the validation only one math module was integrated. The proposed architecture and the API was considered adequate and satisfactory for the identified requirements. However, evolutions needs was perceived considering another functionalities for " Pushing Together " Essentials functionalities to reduce the discussions polarization. The gap of math modules to integrated was perceived too. Key words: Social participation. RESTful API. Pushing Together. Lista de ilustracoes Figura 1 Etapas do trabalho 23 Figura 2 Funcionamento do "Empurrando Juntos" 26 Figura 3 Prototipo do "Empurrando Juntos" Fonte: (PARRA FILHO, 2016) 27 Figura 4 Cronograma de iteracoes de desenvolvimento 32 Figura 5 Niveis do modelo de maturidade proposto por Richardson. Fonte: Traduzido de (FOWLER, 2010) 36 Figura 6 Estrutura do Pentano 37 Figura 7 Esquema de comunicacao entre os modulos de API e Matematico 38 Figura 8 Relacionamento das principais entidades da API 39 Figura 9 Arquitetura de apps da API 40 Figura 10 Diagrama de Sequencia de comunicacao entre os modulos 41 Figura 11 Funcionamento do Empurrando Juntos Comunicacao entre os modulos 42 Figura 12 Solucao completa utilizando a arquitetura proposta. 43 Figura 13 Tela que apresenta os comentarios e grupos de usuarios de uma conversa 45 Figura 14 Fluxo de clusterizacao do "Empurrando Juntos" 46 Figura 15 Passos para clusterizacao. Adaptado de Jain, Murty e Flynn (1999) 56 Figura 16 Formas de se agrupar o mesmo conjunto de dados. Fonte: (TAN; STEINBACH; KUMAR, 2006) 57 Figura 17 Iteracoes de clusterizacao utilizando k Means. Adaptado de Tan, Steinbach e Kumar (2006) 59
author_names: Emilie Trindade de Morais

Italo Paiva Batista
title: Implementacao de uma interface de programacao e uma arquitetura de plugins para a plataforma de participacao social "Empurrando Juntos"
year: 2018