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In this paper, we implement an application-aware scheduler that differentiates users running real-time applications and delay-tolerant applications while allocating resources. This approach ensures that the priority is given to real-time applications over delay-tolerant applications. In our system model, we include realistic channel effects of Long Term Evolution (LTE) system. Our application-aware...
Advanced techniques of fourth generation (4G) Long Term Evolution (LTE) network provides high data rate with guaranteed Quality of Service (QoS) for real time applications like interactive gaming, High Definition (HD) video streamings and voice services. Maintaining the QoS in a delay bound violated traffic poses a challenging task. In this paper, the performance analysis on energy savings of User...
Transmitting a good quality voice over wireless networks is a challenge for service providers. Long Term Evolution (LTE), also known as one of the beyond 4G wireless network technology, is designed to have a greater delivery service for multimedia, voice, and video applications to end users. Therefore, modern cellular networks are expected to support both voice and a growing volume of data traffic...
As a breakthrough technology under 3GPP, LTE has attracted attention worldwide. Main features include enhanced peak data rates, lower delay, increased cell edge throughput. For an LTE system, serving a large number of users requires an efficient RRA algorithm which has not been standardized for the system and is still an open end for development. Researchers have proposed various algorithms some of...
Demands for multimedia application have been raised in the current technology era. Multiple simultaneous users may be streaming video or using VoIP call. Thus a better solution to ensure the QoS satisfaction for LTE downlink needs to be designed. Existing algorithm such as Modified Largest Weighted Delay First (MLWDF) have been widely used to cope with the situation arise. Still the need to inquire...
LTE, that was introduced by the third generation partnership project (3GPP) in 2008, is a technology which improves capacity and quality of service (QoS) requirements in modern wireless networks. Due to rapid growth of multimedia services and online video games, resource allocation is very important for these delay sensitive applications. Therefore, scheduling algorithms which allocate radio resources...
LTE and WiMAX are the most important radio access technologies in the fourth generation mobile networks providing broadband access. The technologies bring strong QoS support, especially for multimedia services such as real-time video streaming, requiring bounded packet loss rate and delay. To reach these goals, effective packet scheduling schemes are needed to allocate radio resources. The function...
This paper presents a study on modeling a real-time picture-importance scheme, which is a dilemma problem between high accuracy and real-time applicability. A novel scheme called real-time group-of-pictures-averaged index (RGI) is proposed with two objectives: (1) providing a higher accuracy than the conventional real-time schemes such as I/P and EPL, and (2) still meeting the desired real-time constraint...
As (M2M) Machine-To-Machine, communication continues to grow rapidly, a full study on overload control approach to manage the data and signaling of H2H traffic from massive MTC devices is required. In this paper, a new M2M resource-scheduling algorithm for Long Term Evolution (LTE) is proposed. It provides Quality of Service (QoS) guarantee to Guaranteed Bit Rate (GBR) services, we set priorities...
Long Term Evolution (LTE) is the new generation wireless networks that support all IP transmission for multimedia services. One of the major challenges in LTE network is to provide the packet scheduling scheme that can supports the Quality-of-Service (QoS) requirements of multimedia services. In this paper, a Quality-of-Service (QoS) aware packet scheduler for Real Time (RT) downlink communication...
A key mechanism in the LTE traffic processing is the packet scheduler which is in charge of allocating radio resources to User Equipment (UE) based on scheduling schemes involved in the LTE base station. The main contribution of this work is to propose a new scheduling algorithm for Long Term Evolution (LTE) system. The proposed scheduler satisfies the quality of service (QoS) requirements of the...
LTE is becoming the most important radio access technology for mobile Networks, providing significantly a ubiquitous broadband access. This breakthrough brings strong QoS support, especially for multimedia services which are the most used applications in telecommunication. To reach its goals, LTE needs an appropriate packet scheduling scheme. This function is fundamental and very challenging, particularly...
An explosive growth in the number of mobile users necessitates higher capacities in the cellular network infrastructure. Emerging real-time services such as VoIP and Video on Demand have stringent delay requirements. Long Term Evolution (LTE) has been developed to provide higher data rates, lower latency for real-time services through Differentiated Services (DiffServ) support, and lower cost of operation...
We present a new stochastic service model with capacity sharing and interruptions, appropriate for the evaluation of the quality of real-time streaming (e.g. mobile TV) in wireless cellular networks. It takes into account multi-class Markovian process of call arrivals (to capture different radio channel conditions, requested streaming bit-rates and call-durations) and allows for a general resource...
Long-Term Evolution (LTE) has now become the leading candidate for facilitating interoperability and information sharing among different types of first responders, in what has come to be commonly known as Public Safety Networks (PSNs). However, research has shown that the bandwidth assigned to these networks will not be sufficient to support the offered load and the Quality of Service (QoS) requirements...
The voice, video, and data traffic can be carried as IP packets over Long Term Evolution (LTE) networks which bring the cellular communication to the fourth generation (4G) era. LTE enables this digital convergence by offering higher capacity, including inherent IP support in its architecture, and supporting multi-user diversity scheduling. However, recent increases in Voice over IP (VoIP) and video...
The LTE specification provides Quality of Service (QoS) of multimedia services with fast connectivity, high mobility, and security. However, 3GPP specifications have not defined scheduling algorithms to support real-time and non-realtime application services, this has led to the development of a variety of scheduling algorithms in the recent years. Performance is a key factor for assessing the scheduling...
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