Low latency communication - 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

5 views • 18 slides


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

5 views • 20 slides



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

8 views • 12 slides


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

2 views • 10 slides


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

0 views • 17 slides


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

0 views • 12 slides


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

2 views • 23 slides


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

4 views • 14 slides


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

1 views • 11 slides


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

1 views • 12 slides


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

0 views • 31 slides


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.

0 views • 24 slides


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

0 views • 52 slides


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

3 views • 12 slides


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

0 views • 11 slides


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

0 views • 17 slides


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

0 views • 32 slides


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

0 views • 33 slides


Impact of Latency on Player Performance in Cloud-based Games

Research conducted by Mark Claypool and David Finkel explores the effects of latency on player performance in cloud-based games. The study compares the impact of latency on both objective (performance) and subjective (quality) measures, highlighting how every 100ms increase in latency results in a 2

0 views • 21 slides


Enhancing Low Latency in IEEE 802.11 Networks

Various mechanisms for low latency in IEEE 802.11 networks are discussed, including C-TDMA, C-RTWT, TXOP Preemption, and HiP-EDCA. This proposal aims to improve initial control frame exchanges to prioritize low latency traffic transmission. By modifying exchange rules and allowing STAs to signal the

0 views • 12 slides


Low-Latency Inter-Datacenter State Machine Replication Using Clock-RSM

Clock-RSM introduces a low-latency approach to inter-datacenter state machine replication by utilizing loosely synchronized physical clocks. This method ensures strong consistency, fault tolerance, and fast failover in a geo-replication environment. By overlapping ordering and replication using phys

0 views • 29 slides


Importance of Ultra-Low Latency in Electronic Trading

Understanding deterministic latencies and processing speed is crucial in ultra-low latency (ULL) electronic trading to ensure optimal access to market data. Ted Hruzd, an industry expert, emphasizes the significance of Speed2 over raw speed (Speed1) in maximizing trading revenue for Market Makers by

0 views • 13 slides


Machine Learning Optimization for HTTP Latency Tuning on NGINX

Exploration of machine learning optimization algorithms for enhancing HTTP latency tuning on NGINX. The study investigates the use of ML tuning as a superior alternative to manual methods, focusing on operating system tuning, existing methods, and future autotuning work. Key areas covered include me

0 views • 24 slides


Consideration on TSN Capabilities and XR Applications in Wi-Fi

This contribution evaluates XR applications in Wi-Fi, focusing on high throughput, low latency, and reliability. It discusses in-car XR entertainment/navigation as an entry-level TSN application and proposes integrating Wi-Fi technologies like 11be for improved performance. The document highlights t

0 views • 17 slides


Achieving Bounded Latency in Data Centers: A Comprehensive Study

Data centers face challenges in providing consistent low latencies due to in-network interference and varying workloads. This study explores solutions to guarantee strong latency performance, mitigate latency variance, and minimize performance degradation for latency-sensitive applications. By analy

0 views • 18 slides


Way Forward on Ultra-Low BLER Requirements in Wireless Communication

Explore the agreements and discussions around ultra-low BLER (Block Error Rate) requirements for URLLC (Ultra-Reliable Low Latency Communication) in wireless communication systems. Gain insights into the test methodologies, decision co-ordinates, applicability rules, and open issues related to CQI (

0 views • 9 slides


Ultra-Reliable PHY Elements: Optimized Building Blocks for Low Latency and Efficiency

The document presents a deep dive into ultra-reliable PHY elements, focusing on achieving low latency, reduced collision, and energy efficiency. It proposes optimized universal building blocks to address these goals effectively, especially in scenarios where many devices may not receive transmission

0 views • 17 slides


Stronger Semantics for Low-Latency Geo-Replicated Storage

Discusses the importance of strong consistency and low latency in geo-replicated storage systems for improving user experience and revenue. Various storage dimensions, sharding techniques, and consistency models like Causal+ are explored. The Eiger system is highlighted for ensuring low latency by k

0 views • 24 slides


Understanding Latency Variation in Modern DRAM Chips

This research delves into the complexities of latency variation in modern DRAM chips, highlighting factors such as imperfect manufacturing processes and high standard latencies chosen to boost yield. The study aims to characterize latency variation, optimize DRAM performance, and develop mechanisms

0 views • 37 slides


Latency Measurement in IEEE 802.11 for Low Latency Applications

IEEE 802.11-20/0484r0 discusses the importance of latency measurement for low latency applications in WLAN technologies. The document emphasizes the need for improved worst-case latency and jitter, addressing interference issues to ensure guaranteed latency for scheduled transmissions. Various contr

0 views • 13 slides


Understanding Latency in JESD204B Links

Latency in a JESD204B link refers to the time it takes for a signal to travel from input to output, influenced by factors like system setup, device dependencies, clock propagation delays, and signal alignment. Definitions such as Sample-to-Serial Out (S2SO), Link Delay, and Link Latency are crucial

0 views • 46 slides


Multi-AP Preemption for Low-Latency Traffic in IEEE 802.11 Networks

Discussion on the necessity of Multi-AP preemption for low-latency traffic in IEEE 802.11 networks. Addresses issues related to latency-sensitive traffic in overlapping basic service sets (OBSS). Proposes a general solution to enable OBSS APs to transmit urgent low-latency traffic without significan

0 views • 9 slides


New Queue Mechanism for Real-Time Application Considerations in July 2019

In July 2019, considerations were made for a new queue mechanism for real-time applications. The focus was on improving worst-case latency and jitter for latency-critical traffic, such as in online mobile gaming and manufacturing control. The proposed design aims to link access delay directly to req

0 views • 9 slides


Multi-AP Coordination for Low Latency Traffic Transmission

The document discusses the integration of multi-access point (AP) coordination to enhance the transmission of low-latency traffic in wireless networks. It addresses the challenges and introduces modes of operation capable of reducing latency and improving reliability for low-latency (LL) traffic tra

0 views • 9 slides


Coordinated Medium Access for Multi-AP Deployments in IEEE 802.11 Networks

The document discusses a solution to reduce latency, increase throughput, and improve reliability in networks with latency-sensitive traffic by introducing coordination between access points (APs). This involves leveraging mechanisms like Restricted TWT (rTWT) and Coordinated rTWT (C-rTWT) to facili

0 views • 12 slides


Moving Application Functions to Network: A Case Study on Low-latency Feedback

This study explores the integration of network resources into application design, focusing on the importance of low-latency feedback loops. It discusses the motivation behind involving the network in application functioning and presents a case study demonstrating the benefits of incorporating networ

0 views • 21 slides


PCIe Latency and Performance Test on LX2160A

This document discusses PCIe latency and performance testing using Lmbench and DPDK qdma_demo on LX2160A hardware. It covers test configurations, latency measurements, throughput analysis, and peer-to-peer communication details.

0 views • 12 slides


Low Latency Multi-viewpoint 360 Interactive Video System with Deep Reinforcement Learning

This research focuses on addressing the challenges of achieving low latency and high quality in multi-viewpoint (MVP) 360 interactive videos. The proposed iView system utilizes multimodal learning and a Deep Reinforcement Learning (DRL) module to optimize tile selection, aiming to reduce latency and

0 views • 17 slides


Overlapped Indication for Event-Based Low Latency Traffic Support in IEEE 802.11

The document discusses the importance of reducing latency in Ultra High Rate (UHR) PAR and Event Based Low Latency (LL) traffic support in IEEE 802.11 networks. It introduces the concept of preemption to enhance LL traffic handling and proposes an overlapped LL indication frame to address challenges

0 views • 13 slides


CLR-DRAM: Dynamic Capacity-Latency Trade-off Architecture

CLR-DRAM introduces a low-cost DRAM architecture that enables dynamic configuration for high capacity or low latency at the granularity of a row. By allowing a single DRAM row to switch between max-capacity and high-performance modes, it reduces key timing parameters, improves system performance, an

0 views • 42 slides