Multi-access edge computing (MEC) has recently been proposed to aid mobile end devices in providing compute- and data-intensive services with low latency. Growing service demands by the may overwhelm MEC installations, while cost constraints limit increases of installed data storage capacities. At same time, ever increasing computation capabilities capacities are valuable resources that can be utilized enhance MEC. This article comprehensively surveys topic area device-enhanced MEC, i.e.,...

This paper addresses a novel virtual reality (VR) system that is based on the real world in which we live. The ultimate goal to implement it as though VR user freely exists place. To this end, most important reconstruct space provides six degree-of-freedom (DOF), namely, yaw, pitch, roll, surge, sway, and heave. However, currently released services are limit users' movements three DOF. Even if support DOF, highly complex computer graphics. overcome problem, first assume there full Internet...

Immersive media services, such as augmented reality and virtual (AR/VR), <xref ref-type="fn" rid="fn1" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">^<i>a</i></xref> 360-degree video, free-viewpoint video (FVV), are popular today. They require massive data storage, ultrahigh computing power, ultralow latency. It is hard to fulfill these requirements simultaneously in a conventional communication system using cloud/centralized radio access...

In an era of rapidly evolving technology, the pursuit higher data rates, extremely low latency, and robust reliability is becoming increasingly crucial. Applications such as Industrial Internet Things (IIoT) demand that transmitted messages meet stringent time constraints. Traditional ARQ-based schemes struggle to achieve required performance in presence feedback delays or losses. Unlike conventional ARQ approaches, which acknowledge only original packets, network coding can multiple degrees...

Sparse Random Linear Network Coding (RLNC) reduces the computational complexity of RLNC decoding through a low density non-zero coding coefficients, which can be achieved sending uncoded (systematic) packets. However, conventional recoding sparse coded packets at an intermediate node in multi-hop network increases coefficients. We develop and evaluate sparsity-preserving (SpaRec) strategies that preserve coefficients with systematic SpaRec without nodes, specified rate, as well finite...

In this paper, as an extension of device-to-device (D2D) communication in cellular network, multi-device-to-multi-device (MD2MD) network is proposed for efficient multimedia content distribution. The MD2MD based on mobile peer-to-peer (P2P) system with rarest-first algorithm. We adopt hybrid space-time block coding and spatial multiplexing (hybrid STBC-SM) a transmission method the communication. Performance evaluation results show that by applying scheme, receivers achieve improved bit...

Mobile Edge Cloud (MEC) enables cloud services in the proximity of user equipments. MEC will be greatly beneficial to various latency-sensitive applications such as autonomous cars and augmented reality/virtual reality applications. The challenge is maintain an uninterrupted service presence user's mobility. In maintaining a consistent state application, we advocate decoupling storage component from computing one. We leverage key-value layer synchronize states between servers. Subsequently,...

In this paper, we consider a system for WebRTC live streaming of real-time captured point cloud data. particular, to end, various serialization formats that need be performed in advance. We also propose new format paper and show its effectiveness by comparing it with the conventional formats.

Reliable and effective forward error correction is challenging, especially in a heterogeneous transmission environment, due to the differences computation capabilities of end devices. Using complex code achieve reliable communication leads high costs long decoding delay at devices with low computing power. Fulcrum codes, variation random linear network coding (RLNC), addresses that problem by combining two codes large small Galois field sizes. Thus, decoder can decode using either size....

Live service migration with low downtime is one of the main challenges in mobile edge cloud (MEC). In other words, it important to guarantee that users continue receive good even if they cross through multiple MEC servers. this paper, we propose a seamless framework and apply an autonomous driving demonstration. We expect paper provide perspective on how can be used for practical near future.

Emerging microservices demand flexible low-latency processing of network functions in virtualized environments, e.g., as containerized (CNFs). While ensuring highly responsive CNF processing, the computing environments should conserve energy to reduce costs. In this systems integration study, we develop and evaluate novel XDP-Monitoring Energy-Adaptive Network Functions (X-MAN) framework for managing CPU operational states (P-states) so power consumption while prioritizing service....

This paper examines the protocol structure of ATSC 3.0, next-generation terrestrial broad-casting standard, and explains in-depth technology Real-Time Object Delivery over Unidirectional Transport (ROUTE) MPEG Dynamic Adaptive Streaming HTTP (DASH). Specifically, it considers both low service signaling methodologies ROUTE/DASH, that enable immersive media, stereoscopic 3D, 360 virtual reality (VR), delivery in 3.0. Furthermore, this also provides examples to give readers new perspectives on...

In this paper, we propose tile-based hybrid stereoscopic 360° video streaming service, in which low-quality 2D, high-quality 2D and 3D services can be provided by a single scalable HEVC (SHVC) en/decoder. addition to this, its associated MPEG-DASH media presentation description (MPD) signaling is also presented as an example.

In an Internet of Things (IoT), the number interconnected devices is huge and has been increasing drastically. Their generated data requires powerful aggregated computing resources consumes enormous energy for processing transmission. Having said that, most IoT are very limited heterogeneous in capabilities, causing a big challenge designing commonly used interconnect that both reliable energy-efficient. Random Linear Network Coding (RLNC) schemes have proven its capability theoretically...

Immersive media applications demand both a huge amount of data processing and low latency. The former requirement can be fulfilled by offloading user equipment (UE) tasks to baseband unit (BBU) pool (or center). As for the latency, it achieved with Mobile Edge Computing (MEC), which allows close UEs. In this paper, we take advantage cooperation between conventional BBUs MEC handle UE tasks. Specifically, propose an orchestration framework protocol enable seamless immersive applications. Our...

In this paper, we consider wireless P2P services based on femto-cell systems. the system, changes in a network topology due to handover have significant effects performance. We propose novel and cell management schemes systems for peer-to-peer download service. The proposed improve symbol rates delay VoD

본 논문에서는 디지털 방송시스템의 전송방식에서 널리 사용 되고 있는 계층 변조 (Hierarchical Modulation)를 고려한다. 변조기법은 다수의 독립적인 데이터 스트림의 송신 신호 전력을 조절하여 심볼로 매핑하기 때문에 종래의 M-QAM에서 사용하는 정규화 인수 (Normalization Factor)를 사용할 수 없다. 3-level 64QAM 기법의 정확한 인수를 구하기 위한 방법과 과정을 유도하여 제시한다. In this paper, we consider hierarchical modulation (HM), which has been widely exploited in digital broadcasting systems. HM, each independent data stream is mapped to the symbol with different transmission power and normalization factors of conventional...

It is vital for Tactile Internet to constantly maintain a low-latency control loop between sensors, actuators, and their controlling software applications. Mobile Edge Computing (MEC) an essential technology that brings the elasticity of cloud computing run applications at close proximity controlled objects, thus reducing latency. To support mobility underlying network has be capable migrating MEC seamlessly guarantee proximity. However, it challenging migrate application states quickly...

Data confidentiality is a critical concern in modern communication systems. This paper introduces XOR-Embedded Network Coding (XORE-NC), novel approach to enhance data security network coding. XORE-NC combines an embedding key mechanism with Random Linear (RLNC) fortify protection against eavesdroppers. The results indicate improved reliability, reduced encoding delay, and lower latency throughput compared traditional RLNC, making it attractive solution for confidentiality. However,...

This paper presents an enhanced method for the transmission of 3D video in Multi-view Video plus Depth (MVD) format over Two-Way Relay Channels (TWRC). Our approach addresses unique challenges MVD-based by combining Hierarchical Quadrature Amplitude Modulation (HQAM), a that prioritizes data layers based on importance, and Inter-Layer Forward Error Correction (IL-FEC), which protects critical from errors. These are specifically designed to handle dual-layer structure where color depth...