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National Conference on Emerging Trends in Computing Technologies ( NCETCT-18 ) - 2018

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National Conference on Emerging Trends in Computing Technologies ( NCETCT-18 ) - 2018 National Conference On Emerging Trends in Computing Technologies ( NCETCT-18 ) - 2018 CONCERT: A CLOUD-BASED ARCHITECTURE FOR NEXT- GENERATION CELLULAR SYSTEMS A.Amala Christina Mary *,Mr. Arokia Marshal Roach** Abstract few years. In response, both academia and industry Cellular networks are one of the cornerstones of our have been devoted to enhancing the capacity of information-driven society. However, existing existing cellular systems with dense small cells, cellular systems have been seriously challenged by high-frequency bands, and novel transmission the explosion of mobile data traffic, the emergence technologies such as massive multiple-input of machine-type communications, and the multiple-output (MIMO). It is anticipated that flourishing of mobile Internet services. In this through these enhancements, the next-generation article, we propose CONCERT, a converged edge (5G) cellular system can have 1000× capacity and infrastructure for future cellular communications and 100× transmission rate compared to 4G (Release 8) mobile computing services. The proposed systems. However, we have hardly managed to architecture is constructed based on the concept of accommodate billions of mobile devices before an control/data (C/D) plane decoupling. The data plane even greater number of machines are already waiting includes heterogeneous physical resources such as to communicate with each other. Besides bringing a radio interface equipment, computational resources, massive volume of connections, machine-to- and software-defined switches. The control plane machine (M2M) communications also have other jointly coordinates physical resources to present unique communication requirements. For example, them as virtual resources, over which software- applications like fleet management and industrial defined services including communications, control demand extremely low access latency and computing, and management can be deployed in a high reliability, which existing human-oriented flexible manner. Moreover, we introduce new cellular systems cannot satisfy. In this regard, it is designs for physical resources placement and task also expected that 5G cellular systems can support scheduling so that CONCERT can overcome the more than 10 billion M2M communication links and drawbacks of the existing baseband-up centralization down to 1 ms access latency. Beyond these fast approach and better facilitate innovations in next- emerging requirements, cellular networks are also in generation cellular networks. These advantages are danger of becoming economically unprofitable data demonstrated with application examples on radio pipes for increasingly Internet-based services. To access networks with C/D decoupled air interface, this end, 5G cellular systems should have the ability delay sensitive machine-type communications, and to quickly adapt to requirement changes and the real-time mobile cloud gaming. We also discuss capability to support a wide spectrum of new some fundamental research issues arising with the services. Since last year, considerable effort has proposed architecture to illuminate future research been devoted to investigating 5G cellular systems, directions. and the drawbacks of the conventional cellular design paradigm have been realized. In a *III Year, Computer Applications, Immaculate conventional cellular system the physical College for Women, Viriyur. infrastructure comprises geographically distributed **Assistant Professor, Dept. of BCA, Immaculate hardware subsystems such as base stations (BSs). College for Women, Viriyur. These subsystems are often proprietary devices that are highly integrated and optimized for specific 1. Introduction tasks. Nowadays, cellular systems are faced with drastic They communicate with each other via predefined changes and great challenges. The rapid penetration network protocols to present network functions of smart phones and tablets has triggered an together. Conventional cellular systems have exponential growth of mobile data traffic in the past sufficient capabilities to serve traffic with moderate ISSN: 2395-1303 http://www.ijetjournal.org Page 1 National Conference On Emerging Trends in Computing Technologies ( NCETCT-18 ) - 2018 quality of service (Qos) requirements; its subsystem- has also been exploited in RANs to coordinate based design also facilitates modular system physical BSs. Here we adopt this concept to upgrades. However, the conventional paradigm leads coordinate and virtualizes heterogeneous physical to several severe problems: hardware. Our proposal provides a general framework that not only addresses the problems Flexibility: Network functions of conventional associated with baseband-up centralization, but also cellular systems are embodied in the proprietary opens up new opportunities for innovations in the subsystems and their interfacing protocols. Once next-generation cellular networks: first, we these subsystems are widely deployed, it would be overcome the drawbacks of baseband-up time-consuming and costly to upgrade functions or centralization by allowing flexible combination of add services. distributed and centralized strategies in allocating data plane computational resources for signal Efficiency: The distributed system layout limits the processing functions. information exchange between subsystems, and hence prohibits cooperation technologies such as The rest of the article is organized as follows. We coordinated multipoint (CoMP) transmission and first describe the proposed architecture with an CHORUS which can improve network performance. anatomy on its physical infrastructure and software- defined services. After that, we demonstrate the Resource utilization: Geographically distributed advantages of CONCERT by illustrating its ability subsystems rely on local physical resources to to support diverse applications. Some fundamental function. Thus, resources must be over provisioned research issues that arise from CONCERT are then for peak load, leading to a low resource utilization discussed to lay a foundation for future exploration. ratio. These problems make it hard to incorporate the After that, we summarize our article in the features of 5G networks into conventional cellular conclusion. systems. Because of this, it is proposed that 5G networks should be constructed with centralized 2. Real-Time Cloud Computing Service physical resource placement and become increasingly software-defined. The baseband-up Mobile phone users enjoy cloud services by which centralization architecture was proposed for radio computational and storage capabilities can be access networks (RANs) leveraging the cloud enhanced at low cost. Take cloud gaming service as concept and technology. In such architecture the an example: game engines require massive computational resources are aggregated from computation to render 3D animation and simulate distributed sites to form a centralized computational physical interaction. Hence, operating game engines resource pool. will incur high power consumption. As a result, current mobile devices usually do not support 3D In this article, we propose Convergence of Cloud video gaming well. However, if the cloud gaming and Cellular Systems (CONCERT), a converged service is introduced, mobile devices can offload edge infrastructure for cellular networking and most of the computation to the server applications mobile cloud computing services. The physical hosted in clouds to save energy and boost user resources in CONCERT are presented as virtual experience. Nevertheless, data delivery across wide resources so that they can be flexibility utilized by area networks (WANs) may experience long latency. both mobile communication and cloud computing When providing cloud gaming services, the server- services. The virtualization is achieved through a side game engine instance needs to interact with the C/D decoupling mechanism, by which a logical user within a delay constraint beyond what current control plane entity dynamically coordinates data Internet clouds (ICs) can provide. Consequently, plane physical hardware such as servers, packet delay-sensitive applications such as computation. switches, and radio interfacing equipment in response to the requirement of services. Note that In contrast, CONCERT can provide computational C/D decoupling has been successfully applied in resources located much closer to the users than those software defined networking (SDN) to orchestrate of the ICs. Furthermore, the latency of data delivery homogeneous packet forwarding hardware, and it within CONCERT can be guaranteed through proper ISSN: 2395-1303 http://www.ijetjournal.org Page 2 National Conference On Emerging Trends in Computing Technologies ( NCETCT-18 ) - 2018 allocation of switching resources. In this way, real- multiple (possibly conflicting) objectives such as time cloud gaming service is constructed. real-time requirements, resource utilization, and Specifically, to construct a cloud gaming service, the power consumption. Different decisions on service provider first creates a gaming manager placement and scheduling strategies will achieve (GM) application on the VM. As illustrated in Fig. different trade-offs between those objectives. Take 4, a user can initiate a service session by sending a centralized and localized physical layer (PHY) request to the GM using any kind of mobile data processing as an example: through centralized service. In response, the GM negotiates with a processing, we can reduce the processing latency by wireless network
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