Ofdma transmission - PowerPoint PPT Presentation


MRES Transmission Update: Projects, Rates, and Regulatory Changes - August 25, 2023

Explore the latest updates on MRES transmission projects, rate adjustments, and regulatory developments discussed during the meeting on August 25, 2023. Details include MRES member rate information, specific rate adjustments for MMU and WMU, transmission project energization, true-up information, an

1 views • 15 slides


TELECOMMUNICATIONS MEDIA

Telecommunications is the electronic transmission of information over distances, including voice calls, data, text, images, and video. It encompasses a range of technologies like fiber optics, satellites, telephones, and the Internet. Components of a telecommunications network include terminals, int

5 views • 13 slides



MRES Transmission Project Updates and Regulatory Overview

John Weber, Senior Transmission Engineer, presents key updates on MRES transmission projects, including the energization of the Lorain Substation and recent restoration efforts post-tornado strike at Elbow Lake Substation. The meeting agenda covers MRES member rate information, regulatory changes, a

1 views • 15 slides


Federal Energy Regulatory Commission Transmission Update - Nov. 3, 2023

FERC, led by Director Rob Thormeyer, regulates natural gas wholesale facilities, interstate pipelines, onshore LNG facilities, wholesale electric market rates, and more. The Commission consists of five appointed Commissioners overseeing key initiatives like transmission planning proposals and interc

0 views • 14 slides


Understanding Cultural Transmission and Individual Development

Cultural transmission plays a crucial role in perpetuating features across generations through processes like enculturation and socialization. It involves the transmission of values, beliefs, and skills from parents and peers, shaping individual development. The interaction between biological and cu

0 views • 40 slides


Bitmap Indication for OFDMA Transmission

Dec. 2020 introduces a preamble puncture bitmap indication for 20/40 MHz OFDMA transmission, proposing to use '1111' when no puncturing is applied. The straw poll suggests adding this indication to the TGbe SFD. The submission highlights the specific bit values for punctured 20 MHz channels within a

2 views • 5 slides


IEEE 802.11-20/0985r5 RU Allocation Subfield Design in EHT-SIG

The document discusses the design of subfields in EHT-SIG for RU allocation in IEEE 802.11be, focusing on reducing overhead by considering supported large-size MRU combinations. It addresses concerns on entries overhead in the RU allocation subfield table and the clarity of support for specific MRU

3 views • 24 slides


Coordinated AP Time/Frequency Sharing in IEEE 802.11be

The document discusses Coordinated AP (CAP) Time/Frequency Sharing in Transmit Opportunity in IEEE 802.11be, focusing on Frequency and Time resource sharing between multiple APs in close proximity. It introduces concepts like CAP OFDMA and CAP TDMA, outlining the benefits in terms of latency improve

0 views • 15 slides


Understanding Performance of Transmission Lines in Electrical Engineering

The performance of a transmission line in power systems is critical for efficient operation. Factors such as voltage drop, line losses, and transmission efficiency are key considerations in design and operation. The line parameters of resistance, inductance, capacitance, and shunt conductance play c

2 views • 26 slides


Transmission Rate Change Overview for June 1, 2020

Presentation on the Rate Change effective June 1, 2020, detailing RNS Rate adjustments, Annual Transmission Revenue Requirements, and Regional Forecasts. The RNS Rate increased to $129.26/kW-year reflecting transmission project impacts, while ATRR analysis showed changes in revenue requirements for

0 views • 25 slides


IEEE 802.11-20/1238r5 August 2020 Preamble Design Open Issues

In these slides, designs for U-SIG content & overflow and EHT-SIG design are proposed. The focus is on punctured channel indication design with the aim of conveying puncturing patterns efficiently while keeping signaling overhead low. The proposal includes a 6-bit field for puncturing information, a

1 views • 41 slides


Understanding Transmission Modes in Computer Networks

Transmission modes in computer networks can be divided into serial and parallel modes. Parallel transmission allows multiple bits to be sent simultaneously over separate media, while serial transmission sends one bit at a time. The choice between serial and parallel transmission depends on factors s

0 views • 13 slides


Use Case for Distributed Resource Units in Downlink Scenarios

The document explores the concept of distributed Resource Units (dRU) in downlink scenarios in IEEE 802.11 standards like 802.11ax and 802.11be. It discusses the benefits and potential advantages of using dRU in downlink transmissions, focusing on how it can effectively distribute tones across the s

3 views • 13 slides


Considerations on Coordinated OFDMA Operation in IEEE 802.11

The document discusses the Coordinated OFDMA (C-OFDMA) operation as a part of Multi-AP coordination schemes within the IEEE 802.11 standard. It covers resource allocation options, topology considerations, resource allocation methods, capability announcement procedures, and negotiation processes betw

0 views • 15 slides


IEEE 802.11-20/0095 PHY-Related Agreements for SST

IEEE 802.11-20/0095 outlines agreements related to PHY aspects impacting the definition of Spatial Stream Tapping (SST) in 802.11 standards. The focus is on enabling 80 MHz operating stations to participate in 160 MHz OFDMA, including in non-primary 80 MHz scenarios. Various considerations and scena

1 views • 11 slides


IEEE 802.11-21/1737r0 Beacon and Group Frames Information

This document discusses the transmission of Beacon and group addressed frames in IEEE 802.11 networks, focusing on the impact of frame types and MCS on BSS range and transmission rate. It proposes out-of-band signaling to assist scanning STAs in determining BSS range and non-AP MLDs in selecting a l

0 views • 14 slides


Proposed 80 MHz EHT LPI PPDU Format for IEEE 802.11-20/1347r1

The document presents the proposed LPI PPDU format for IEEE 802.11-20/1347r1, focusing on enhancing the robustness of the preamble and payload in non-OFDMA frames. The format includes repetitions of U-SIG and E-SIG symbols, optimizing DCM gain for improved performance. Simulation results show advant

0 views • 12 slides


Coordinated AP Time/Frequency Sharing in IEEE 802.11be

The document discusses the concept of Coordinated AP (CAP) Time/Frequency Sharing within a Transmit Opportunity (TXOP) in the IEEE 802.11be standard. It explains the procedures of Frequency and Time resource sharing, highlighting the benefits such as latency improvement and throughput fairness. Deta

0 views • 16 slides


IEEE 802.11-23/1919r1dRU Proposal for Range Extension and RvR Enhancement

This proposal introduces dRU support for 11bn to overcome PSD limitations, enabling range extension and RvR enhancement. It reviews previous dRU contributions in UHR SG and details new proposals including distributed tones across channels, dRU tone plans in different MHz channels, and pilot designs

0 views • 22 slides


Understanding the Transmission of Viruses: Routes and Implications

Viruses are intracellular parasites that require transmission to a new host to evade immune responses. This transmission process, whether through respiratory droplets, fecal-oral routes, or sexual contact, is crucial in the viral life cycle. Different modes of transmission, such as horizontal and ve

0 views • 11 slides


Understanding Neurohumoural Transmission in Veterinary Pharmacology

Neurohumoural transmission in the field of veterinary pharmacology involves the communication of nerve messages through the release of chemical messengers. This process includes axonal conduction and junctional transmission. The historical aspects of neurohumoural transmission highlight key discover

5 views • 11 slides


Efficient Preamble Puncturing Support for IEEE 802.11 EHT Wide Bandwidth Transmission

The IEEE 802.11-20/0895r0 document addresses the introduction, issues, motivation, and support for preamble puncturing in EHT transmissions. It focuses on optimizing resource allocation while facilitating flexible preamble puncturing for OFDMA transmission in wide bandwidth scenarios, such as managi

0 views • 14 slides


Enhancing Wireless Spectrum Efficiency with Distributed-Tone Resource Units in IEEE 802.11

In the document "Jan 2023.doc: IEEE 802.11-23/0037r0," the focus is on leveraging Distributed-Tone Resource Units (dRU) to overcome Power Spectral Density (PSD) limitations in wireless communication. By distributing tones over a wide bandwidth, dRU allows for higher transmit power, enabling enhanced

0 views • 9 slides


Superconductivity and Electrical Transmission Losses: Exploring Potential Solutions

The lecture delves into the factors controlling electrical transmission losses, highlighting how using superconductors could lead to zero transmission loss. However, the challenge lies in the low critical temperature (Tc) of most materials. Despite the discovery of superconductivity in 1911, practic

2 views • 9 slides


Enhancing Support for Wider Bandwidth OFDMA in IEEE 802.11 Networks

The document discusses the implementation of Selective Spatial Transmission (SST) and Dynamic Subband Operation (DSO) to enable wider bandwidth OFDMA in IEEE 802.11be and 802.11bn standards. It covers enhancements for 80MHz, 160MHz, and 320MHz EHT DL and UL OFDMA transmissions, emphasizing the benef

0 views • 18 slides


Rochester Public Utilities Presentation on True-up of Attachment O Transmission Revenue Requirements

Rochester Public Utilities (RPU) holds annual meetings to discuss and provide information on the calculation of the True-up of RPU's 2016 Annual Transmission Revenue Requirements. The presentation also covers the True-up Adjustment applied to the 2018 Forward-Looking Rate. RPU uses a FERC-approved F

0 views • 14 slides


Enhancing BSS Load Management in 802.11ax Networks

Proposed changes to address load balancing issues in dense 802.11ax scenarios by introducing a new information element for BSS Load. The new element considers OFDMA utilization, UL/DL MU-MIMO, and allows for future extensions to ensure efficient AP selection by unassociated STAs. Enhancements aim to

0 views • 14 slides


Enhancing Transmission Infrastructure for Reliable and Efficient Energy Delivery

Interregional transmission plays a crucial role in ensuring energy reliability and cost efficiency, especially during extreme weather events. Connecting areas with diverse net load reduces costs and enables significant power transfers. Investing in bigger transmission lines leads to lower losses and

0 views • 9 slides


Wireless Broadband Technologies Overview

Delve into the world of wireless broadband technologies with a focus on Mobile WiMAX based on IEEE 802.16e. Explore concepts like OFDM and OFDMA, subchannelization schemes, OBBP vs. MOBBP, simulation results, and more. Discover the implementation of the Orientation-Based Burst Packing algorithm and

0 views • 66 slides


Transmission Engineer Meeting Summary - August 23, 2024

John Weber, Senior Transmission Engineer, led a meeting discussing MRES true-up for 2023 historical rate information, regulatory changes, and transmission projects. The meeting covered MRES member rate information and highlighted MRES transmission facilities, FERC background, and recent projects inc

0 views • 15 slides


Discussion on Multi-AP Coordination Architecture in IEEE 802.11-23

In this document, Xiaofei Wang from InterDigital Communication Inc. discusses the architecture required for multi-AP operations, seamless roaming support, and general MLD operation support in the context of IEEE 802.11-23 standards. The focus is on coordinating various operations across multiple APs

0 views • 9 slides


Multi-AP for Reliable Wireless Transmission with Coherent and Non-coherent Technology

In this IEEE 802.11-23/2009r0 document, the concept of Multi-AP coordination is discussed to achieve Ultra High-reliability (UHR) goals. The use of both Coherent Joint Transmission (JT) and Non-coherent transmission technologies is explored for improved reliability and performance in wireless commun

0 views • 16 slides


SMMPA Annual Meeting Transmission Rate Update 2018

SMMPA, a not-for-profit political subdivision in Minnesota, updated its transmission rate formula in August 2018. The Attachment O timeline outlines crucial dates for stakeholders, including the annual meeting on formula rate updates. SMMPA, as a Transmission Owner in MISO, follows FERC-approved tem

0 views • 8 slides


Rochester Public Utilities - Forward-Looking Transmission Revenue Update

Rochester Public Utilities (RPU) presents an update on the forward-looking transmission revenue requirements for calendar year 2021. The presentation covers the regulatory background, rate calculations, and adjustments for the upcoming year. Key topics include the FERC-approved formula rate, true-up

0 views • 13 slides


Recap of IEEE 802.11-24/1200r1 - July 2024 Transmission Modes

This contribution discusses the harmonized waveform design and various transmission modes for active UL transmission in IEEE 802.11-24/1200r1 document. It presents multiple proposed solutions, waveform types, feasibility, and benefits of active UL transmission. The aim is to achieve optimal design c

0 views • 8 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


Aircraft Transmission System Check Appendices

Collection of appendices linked to aircraft transmission system checks including slat transmission system outcomes, typical transmission shaft damages, TSU condition check values recording, and assessment flowchart.

0 views • 4 slides


Proposed Amendments to GRIDCO Regulations for Transmission Charges

The proposed amendments to the CERC regulations aim to alleviate the burden of transmission charges on GRIDCO and consumers in Odisha. The amendments focus on the sharing of inter-state transmission charges and losses, including the substitution of LTA/MTOA with GNA for sharing transmission charges.

0 views • 7 slides


Transmission Committee TSG-2 Effective Operations & Market Competitiveness Conference

The Transmission Committee TSG-2 Conference held in Lima discussed the effective operations as a prerequisite for market competitiveness in the gas transmission industry. Key topics included safety, environmental performance, and asset management for gas transmission systems. Participants from vario

0 views • 13 slides


Simulation Results for Coordinated OFDMA in Multi-AP Operation

Multi-AP operation, specifically Coordinated OFDMA, is evaluated through system-level simulation results in a two-BSS scenario. The performance metrics include burst throughput and delay in a burst traffic model. Transmission procedure involves two APs sharing 160MHz bandwidth. The study aims to sho

0 views • 9 slides