Latency requirements - PowerPoint PPT Presentation


Enhancing QoS Facility for Low-Latency High-Throughput Performance in IEEE 802.11 Networks

This proposal addresses the shortcomings in traffic classification and handling of uplink/downlink traffic in current IEEE 802.11 specifications, particularly in relation to low-latency traffic. It also highlights issues with the current EDCA mode in managing congestion and proposes high-level solut

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Understanding Latency in Sentinel-1A Standard Products

The provided information delves into the latency definitions and averages related to ESA Sentinel-1A Standard Products. It covers the different product types, including Extra Wide (EW), Interferometric Wide (IW), and Wave (WV), detailing the average latencies at various stages in data processing. La

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Gain Analysis for Coordinated AP Transmissions in IEEE Enterprise R3 Network

This document discusses gain analysis results for coordinated AP transmissions in the IEEE Enterprise R3 network, focusing on tail latency gain for aperiodic traffic. Simulation setups, topology details, and results for different coordination schemes (C-TDMA, C-RTWT, and combined) are provided, show

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TSN and Time Sensitive Wireless

This document explores the relationship between IEEE 802.11 and Time Sensitive Networking (TSN), defining TSN in the context of 802.11 and highlighting the importance of TSN for improving packet delivery, reducing latency, and enhancing network reliability. Various features like Multi-AP, preemption

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Enhanced Scheduling Method for Low Latency Traffic in IEEE 802.11-24/0091r1

This document presents an enhanced scheduling method for handling low latency traffic in IEEE 802.11 networks. It focuses on supporting deterministic and event-based latency-sensitive traffic, addressing challenges in scheduling and resource allocation. The proposed method aims to improve the reliab

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Enhancing Low Latency Channel Access in Legacy IEEE 802.11 Networks

This document discusses the impact of introducing a Low Latency (LL) channel access mechanism in legacy IEEE 802.11 networks. It addresses the use of High Priority EDCA (HiP EDCA) mechanisms, proposing solutions for improving tail latency in both isolated BSS and multi-BSS scenarios. Additionally, i

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Enhancing R-TWT with Multi-AP Coordination in IEEE 802.11 Networks

Delve into the world of IEEE 802.11 wireless networks as this document explores solutions for multi-AP coordination for R-TWT, focusing on improving tail latency, jitter, and medium protection. Enhancements in R-TWT operation, coordination scenarios, and solutions for multi-AP deployments are discus

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Two-Dimensional A-PPDU for Low Latency in UHR Networks

This document discusses the proposed two-dimensional (2D) A-PPDU as a solution for supporting low-latency applications in UHR networks. It delves into the details of 2D A-PPDU for downlink, focusing on the ability to insert PPDUs within a PPDU, aiming to reduce latency in UHR environments by enhanci

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Software Requirement Analysis and Documentation Process

The requirement analysis and specification process involves gathering information from customers, identifying the problem, solutions, data requirements, complexities, and potential interfaces. Key components of a Software Requirements Specification (SRS) document include functional requirements, non

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Discussion on IEEE 802.11be Features for TSN Capabilities

IEEE 802.11be introduces features to support Time-Sensitive Networking (TSN) capabilities by enhancing throughput, traffic delivery paths, scheduling flexibility, and latency reduction. The standard addresses the stringent latency requirements of real-time applications, medium access protection, mul

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Enhanced Multi-Link Single Radio Operation Proposal

The proposal discusses an enhanced mode of operation for single radio non-AP MLDs to enable multi-link operation, improving throughput and reducing latency. It addresses challenges in busy network environments, aiming to achieve low latency benefits similar to concurrent dual radio setups. The propo

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Reducing Roaming Handoff Time for Improved User Experience in IEEE 802.11 Networks

The document discusses strategies to minimize roaming handoff time in IEEE 802.11 networks, focusing on enhancing user experience for latency-sensitive applications like video conferencing and online meetings. Emphasizing the importance of low latency in areas such as AR/VR and voice-over-Wi-Fi appl

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Cloud VR Network Requirements and Development Strategy in July 2022

Cloud VR is a cutting-edge cloud computing technology for VR services, allowing for immersive, interactive, and imaginative experiences. The network requirements of Cloud VR involve factors like sense of reality, interaction, pleasure, resolution, frame rate, and more. The development strategy for C

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Understanding Software Requirements and Design Principles

Software requirements play a crucial role in defining what a system should do, while the design describes how it achieves those goals. This lecture series covers the concepts of user and system requirements, techniques for describing system requirements, organizing software requirements in a documen

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Improving Low-Latency Buffer Status Reporting in IEEE 802.11

Proposal for enhancing the Buffer Status Report (BSR) mechanism in IEEE 802.11 to include timing constraints for transmitting latency-sensitive traffic. Suggestions involve adding TSPEC-based signaling and efficient mechanisms for Enhanced Traffic APs to ascertain low-latency traffic status. The cur

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Spectrum Sensing for Enhanced Channel Access in Wireless Networks

This document presents a proposal for Spectrum Sensing Based Deferral (SSBD) to improve channel access in wireless networks. SSBD incorporates spectrum sensing with transmission deferral in a time-bound manner to enhance performance, reliability, and latency control. The proposed solution safeguards

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Improving Latency Performance for Mobile Clients Using Non-Collocated AP MLD Framework

The UHR group aims to enhance latency performance for mobile clients by introducing a non-collocated AP MLD framework. This framework allows seamless transfer of client context between physical APs, improving roaming efficiency and supporting high numbers of links for non-AP MLDs. The proposed solut

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Exploring Time-Sensitive Networking Horizons and Possibilities for Low Latency Solutions

Delve into the world of time-sensitive networking (TSN) as it offers bounded low-latency solutions for various applications. Discover TSN components, tools, and protocols such as frame replication, path control, per-stream filtering, time synchronization, and more. Gain insights from Jnos Farkas's p

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Way Forward on Ultra-Low BLER Requirements and Open Issues Discussion

Discussions have been held regarding ultra-low BLER requirements for UE and BS, with agreements reached in the first and second rounds. Extra margin considerations and test requirements were emphasized, along with proposals for CQI reporting and FR2 requirements. Open issues include CQI requirements

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Analyzing and Improving Latency in IEEE 802.11 Networks

The document discusses controlling latency in IEEE 802.11 networks to meet the demands of emerging applications that require not only high throughput but also low latency. It covers aspects such as latency analysis, potential improvements, latency vs. reliability trade-offs, and latency improvement

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Redesigning the GPU Memory Hierarchy for Multi-Application Concurrency

This presentation delves into the innovative reimagining of GPU memory hierarchy to accommodate multiple applications concurrently. It explores the challenges of GPU sharing with address translation, high-latency page walks, and inefficient caching, offering insights into a translation-aware memory

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Evaluation of Low-Latency Services in IEEE 802.11-23/1530r1

This document discusses the evaluation of supported low-latency services in the context of IEEE 802.11-23/1530r1, focusing on the reliability of WLAN, throughput, latency, and MPDU loss. It addresses the challenges in supporting new low-latency services such as AR/VR and industrial IoT, particularly

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Latency Test: Understanding and Optimizing Network Performance

A Latency Test measures the delay in data transmission between your device and a server, often referred to as the round-trip time (RTT). This test is crucial for understanding how quickly your network responds to requests, affecting activities such a

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Low Latency Requirements in Ultra-High Rate Communication

This document discusses the requirements and use cases of low latency in ultra-high rate communication scenarios, highlighting applications such as metaverse, cloud gaming, real-time video streaming, in-vehicle infotainment, and industrial PLC control. It also covers current methods to reduce latenc

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gNB Positioning Measurement Requirements Discussion at 3GPP TSG-RAN WG4 Meeting

Discussion at the 3GPP TSG-RAN WG4 meeting #98bis-e focused on gNB positioning measurement requirements, including beam sweeping, gNB accuracy requirements, samples for gNB accuracy, RoAoA side conditions, and SRS-RSRP measurement accuracy requirements. The meeting addressed various candidate option

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Multi-band Discovery Assistance for IEEE 802.11ay Networks

This document discusses the implementation of multi-band discovery assistance for IEEE 802.11ay networks to improve robustness and reduce latency in consumer devices. It focuses on reducing overhead latency, enabling TDD channel access, and utilizing multi-band signaling for various network operatio

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Enhancing Web Search Latency with DDS Prediction

This presentation delves into DDS Prediction, a technique designed to reduce extreme tail latency in web search engines by optimizing query execution times and parallelizing specific queries. It addresses the challenges of improving latency for all users and emphasizes the importance of achieving hi

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Understanding Sources of Tail Latency in Hardware, OS, and Applications

Delve into the impact of latency on revenue, with real-world examples from companies like Amazon and Google. Explore the complexities of achieving low tail latency in large-scale applications and the approach to analyzing and mitigating latency sources at hardware, OS, and application levels.

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Preventing Active Timing Attacks in Low-Latency Anonymous Communication

This research addresses the vulnerabilities of onion routing to timing attacks and proposes solutions to prevent active timing attacks, focusing on low-latency anonymous communication systems. Various problems related to timing attacks in onion routing are analyzed, including the role of adversaries

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Backup Link Establishment for Low Latency Communication

Achieving low latency communication is crucial when link quality deteriorates. This presentation by Qi Wang et al. from Apple Inc. introduces the concept of establishing a Backup Link to swiftly switch LL communication to a better link, enhancing data transmission efficiency in scenarios where the p

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Clipper: A Low Latency Online Prediction Serving System

Machine learning often requires real-time, accurate, and robust predictions under heavy query loads. However, many existing frameworks are more focused on model training than deployment. Clipper is an online prediction system with a modular architecture that addresses concerns such as latency, throu

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Understanding the Relationship Between Hop Density and Wi-Fi Channel Access Latency

These slides explore the impact of hop density on Wi-Fi channel access latency, focusing on the challenges arising from partially overlapping NB transmissions. Strategies to control NB duty cycle and dynamic adaptations to mitigate interference with Wi-Fi signals are discussed, offering insights int

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Understanding Interconnect Topology Design and Performance Metrics

Interconnect topology design plays a crucial role in determining the cost and performance of a network. Factors such as the number of switches and links, switch port count, network layout, throughput, packet latency, average hop counts, nodal degree, hop count, and diameter are essential considerati

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Understanding Interconnection Networks Topology

Exploring the topology of interconnection networks helps determine the arrangement of channels and nodes, impacting network cost, performance, latency, energy consumption, and complexity of implementation. Abstract metrics such as degree, hop count, and network diameter play crucial roles in evaluat

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Proposed Use Cases Template for Next Generation Positioning

This document presents a proposed template for describing use cases and location requirements for Next Generation Positioning technology. It includes detailed information on user tasks, environment specifications, key location requirements, expected accuracy, latency, refresh rate, and simultaneous

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Enhancing Channel Access for Latency-Sensitive Traffic in January 2022

In the documentation IEEE 802.11-21/0894r1, the focus is on improving channel access for latency-sensitive traffic through concepts like Restricted TWT (Target Wake Time). The proposal suggests methods to protect TWT Service Periods from non-TWT scheduled STAs, ensuring prioritized transmission of l

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Enhancing Efficiency and Latency Reduction in IEEE 802.11be Through Multi-Link Operation

Targeted at improving multi-link and low-latency capabilities in IEEE 802.11be, this document proposes a mode of operation utilizing multiple links to decrease latency effectively. By addressing channel access delay reduction and discussing the benefits of multi-link definitions, the document emphas

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Architecting DRAM Caches for Low Latency and High Bandwidth

Addressing fundamental latency trade-offs in designing DRAM caches involves considerations such as memory stacking for improved latency and bandwidth, organizing large caches at cache-line granularity to minimize wasted space, and optimizing cache designs to reduce access latency. Challenges include

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Managing DRAM Latency Divergence in Irregular GPGPU Applications

Addressing memory latency challenges in irregular GPGPU applications, this study explores techniques like warp-aware memory scheduling and GPU memory controller optimization to reduce DRAM latency divergence. The research delves into the impact of SIMD lanes, coalescers, and warp-aware scheduling on

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Technical Integration Meeting: DUNE Requirements Overview

Detailed overview of proposed changes and requirements discussed in a technical integration meeting for the DUNE project. The meeting covered outlined changes to owned requirements, proposed alterations to TDR requirements, and consortia requirements. Specific details include changes to EB requireme

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