Eht - PowerPoint PPT Presentation


Introduction to IEEE 802.11-20 EHT PPE Thresholds Field

IEEE 802.11-20 standard defines the Nominal Packet Padding values and Pre-FEC Padding Factors for PE fields in 11ax. The selection of Nominal Packet Padding values is crucial and can be determined using specific methods, including PPE Thresholds Present subfield. The PPE Thresholds field contains in

0 views • 14 slides


IEEE 802.11-20/0668r1: EHT BSS Configuration Proposal

The document discusses the configuration of a 320 MHz BSS in the context of 6 GHz regulations, focusing on EHT operation elements such as channel width indication, CCFS principles, and BSS advertisement settings. It proposes design principles for managing legacy and EHT STA operations, emphasizing s

0 views • 14 slides



Design Considerations for Partial Bandwidth Information in IEEE 802.11-20/1747r1

Design considerations for partial bandwidth information in the IEEE 802.11-20/1747r1 standard are discussed, focusing on EHT NDPA frame structure, feedback mechanisms, bitmap design, and table-based designs to support large RU/MRUs. The feedback mechanism utilizes bitmap resolution signals, providin

1 views • 10 slides


Bandwidth Indication for EHT BSS in IEEE 802.11-20/0680r0

This IEEE document discusses the proposal to use an Enhanced High Throughput (EHT) operation element to indicate operating bandwidth for EHT Basic Service Sets (BSS). It suggests methods for indicating channel configurations, punctured channels, and channel width for EHT stations. The goal is to ena

0 views • 15 slides


Designing 9-Bit RU Allocation Subfield for EHT Trigger Frame in IEEE 802.11-20

IEEE 802.11-20/1845r2 presents a proposal for enhancing the RU allocation subfield design in the EHT Trigger frame to accommodate bandwidth support up to 320MHz and multiple RU or MRU allocations for UL MU transmissions in the 11be standard. The modification addresses inconsistencies in MRU mapping

0 views • 34 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


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


IEEE 802.11-20/0029r3 Preamble Structure and SIG Contents Overview

The document dated January 2020 discusses the preamble structure and SIG contents, focusing on EHT-SIG in IEEE 802.11-20/0029r3 amendment. It covers the introduction of U-SIG, EHT-SIG format, EHT.PPDU types, and EHT-SIG design for MU PPDU. The discussion includes the necessity of accommodating overf

3 views • 22 slides


Protection of Extended TXOP Sharing in IEEE 802.11-23/1846r0

Reusing EHT's Triggered TXOP Sharing framework for extended TXOP sharing is discussed in this document, focusing on enabling sharing APs to distribute their obtained TXOP among other BSS(s). The document explores issues related to TXOP sharing for UHR STAs when a sharing AP allocates a portion of it

0 views • 12 slides


IEEE 802.11-20/1583r1 MU-RTS and CTS Exchange Proposal

Submission outlines a proposal for exchanging Multi-User Request to Send (MU-RTS) and Clear to Send (CTS) frames with Enhanced High Throughput (EHT) Sub-Channel Selective (SST) STAs. It discusses channel signaling, frame transmission, proximity protection, operating bandwidth, and reservation proces

0 views • 18 slides


Discussion on Multi-RU Allocation in IEEE 802.11be Standard

In January 2020, a discussion took place on the allocation of multiple Resource Units (RUs) to a single Station (STA) in the IEEE 802.11be standard. The proposal suggested categorizing RUs into small and large types, avoiding aggregation across multiple 20MHz channels. It emphasized assigning a sing

2 views • 29 slides


Proposal for EHT 320 MHz PPDU Support in EDCA Ranging for IEEE 802.11-23/0391r1

The document outlines a proposal to enable EHT 320 MHz PPDU support for EDCA ranging in IEEE 802.11-23/0391r1. It discusses the implementation of FTM legacy ranging, the importance of wider bandwidths, and the necessary changes in the standard to incorporate this support. The proposal aims to enhanc

0 views • 6 slides


IEEE 802.11-23/1980r1 Coordinated AP-assisted Medium Synchronization Recovery

This document from December 2023 discusses medium synchronization recovery leveraging multi-AP coordination for multi-link devices. It covers features such as Multi-link device (MLD), Multi-link operation (MLO), and Ultra High Reliability (UHR) capability defined in P802.11bn for improvements in rat

0 views • 8 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


IEEE 802.11-19/1516r4: 11be Preamble Structure Overview

The document discusses the design and structure of the 11be preamble in IEEE 802.11-19/1516r4. It emphasizes reusing existing functions from previous WiFi generations and focusing on features that enhance user experience. The preamble includes elements such as Pre-EHT preamble, EHT preamble, legacy

0 views • 13 slides


Implications of Large-size RU Aggregation on RTS/CTS in IEEE 802.11-17

Addressing implications of large-size RU aggregation on RTS/CTS in IEEE 802.11-17, focusing on the signaling of Enhanced High Throughput Format PPDU Bandwidth and puncturing in RTS/CTS frames. Proposing the use of HE MU-RTS Trigger frame to elicit CTS response from STAs, along with different CTS for

4 views • 17 slides


Enhancing Throughput with Aggregated PPDU for Large Bandwidth IEEE 802.11 Networks

This document discusses the implementation of Aggregated PPDU to boost throughput in IEEE 802.11 networks with large bandwidth. The focus is on accommodating various STAs with different operating bandwidths and optimizing traffic flow. By utilizing Aggregated PPDU, significant gains in throughput ca

5 views • 7 slides


Channelization and Tone Plan Discussion for 320MHz EHT

IEEE 802.11-19/0797r1 discusses the channelization and tone plan design for 320MHz in EHT (11be). The slides cover the benefits of a 320MHz channel, double peak throughput, various BW modes, existing and new configurations, and proposals for tone plans to maximize efficiency. Detailed considerations

0 views • 10 slides


IEEE 802.11-19/1907r2 Multiple RU Combinations for EHT

11be task group approved multiple RU combinations for PPDU BW up to 160MHz. Principles outlined to limit combined RUs, focusing on spectrum use enhancement. Useful scenarios discussed for small-size RU combinations within 20MHz and 40MHz bands. Considerations highlighted regarding combining differen

0 views • 32 slides


Coordinated AP-Assisted Medium Synchronization Recovery in IEEE 802.11-23/1980r0

This document discusses the proposal for medium synchronization recovery leveraging multi-AP coordination for multi-link devices in IEEE 802.11be EHT networks. It introduces the concept of AP-assisted medium synchronization recovery to assist non-AP STAs in transmitting frames without causing collis

0 views • 7 slides


IEEE 802.11-20/1238r1 Preamble Design Open Issues

Proposed designs addressing preamble design issues in IEEE 802.11-20/1238r1 include U-SIG content and overflow for Unified SU/MU PPDU, EHT-SIG design, and punctured channel indication. The focus is on conveying puncturing patterns efficiently while minimizing signaling overhead. The design features

5 views • 32 slides


IEEE 802.11-20/0087r0 Discussions on U-SIG Content and EHT-SIG Format

In January 2020, NXP presented a document discussing the U-SIG content and EHT-SIG format within the IEEE 802.11-20/0087r0 framework. The document elaborates on the structure and encoding of U-SIG fields, version-dependent and version-independent bits, as well as the EHT-SIG structure for SU/MU tran

0 views • 10 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


PAPR Issues in EHT-ER-SU PPDU for 6GHz Wi-Fi Systems

Introduction of a new PPDU type (EHT-ER-SU) for extending transmission range in 6GHz Wi-Fi systems has led to PAPR issues due to frequency-duplicated data, impacting indoor and outdoor usage. Proposed methods aim to reduce PAPR, addressing concerns for indoor STAs and outdoor support in high-power s

0 views • 10 slides


Multiple RU Combinations for Enhanced High Throughput (EHT) in IEEE 802.11-19/1907r0

The document discusses the introduction and design principles for multiple RU combinations in the context of IEEE 802.11-19/1907r0. It explores the considerations and useful scenarios of small-size RU combinations within specified bandwidths, emphasizing the efficiency and complexity balance in the

0 views • 19 slides


IEEE 802.11-20/1192r0 TB PPDU Format Signaling in Trigger Frame

The document discusses the need for a clear rule to determine the TB PPDU format for MU operations in IEEE 802.11 standards. It proposes methods to indicate the TB PPDU format in Trigger frames to avoid conflicts between different station types. Various signaling methods are suggested to differentia

0 views • 14 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


Enhancing Spectrum Efficiency with Low Complexity Erasure Codes in IEEE 802.11 Document

This document delves into the implementation of erasure codes for content channels in IEEE 802.11 systems. By utilizing erasure codes, spectrum efficiency can be boosted without significantly increasing the complexity of encoding and decoding processes. The discussion also covers the duplication of

0 views • 20 slides


IEEE 802.11-21/0125r0 Radio Measurement Procedures for Multi-Link Devices

The IEEE 802.11 WLAN standard introduces the concept of Multi-Link Devices (MLD) in the 802.11be (EHT) amendment, enabling multiple affiliated STAs to work together. This document focuses on enhancing radio measurement procedures for MLDs to boost efficiency and flexibility in managing radio resourc

0 views • 14 slides


IEEE 802.11-19/1606r0 Preamble Puncturing and SIG-B Signaling

EHT, an enhancement to the IEEE 802.11 standard, aims to improve channel access in dense environments using wider bandwidth operation. This document discusses the design considerations for SIG-B content channels and preamble puncturing in the context of EHT's support for 320MHz bandwidth and multipl

0 views • 14 slides


IEEE 802.11-23/1067r1 TB Ranging with EHT and HE TB PPDU Overview

This document discusses the use of 320 MHz bandwidth in TB ranging for IEEE 802.11-23/1067r1, focusing on EHT and HE TB frames. It examines the decision trees regarding the use of EHT TB ranging NDP, limitations on frame mixing, and bandwidth reduction for Location Measurement Report (LMR). Key cons

0 views • 8 slides


Coordinated Null Steering for Enhanced Wireless Communication

Null steering in wireless technology allows devices to place spatial radiation nulls towards non-served STAs for interference suppression, improving spatial reuse and mitigating inter-cell interference. This document discusses null steering-related proposals in EHT, including challenges, benefits, a

0 views • 16 slides


IEEE 802.11-19/1099r2 Preamble Structure Overview

The document discusses the specific preamble structures of IEEE standards such as 802.11n, 802.11ac, and the newer 802.11ax (11ax). It explores the functionalities provided by these preambles including synchronization, auto-detection, channel estimation, and more. The focus is on how different stand

0 views • 13 slides


IEEE 802.11-24/0161r1 OBSS R-TWT Announcement in Multi-BSS

The document discusses the coordination of R-TWT schedules in Multi-BSS to enhance operation and protection. It covers how APs announce OBSS R-TWT schedules to associated STAs, ensuring efficient transmission of latency-sensitive traffic. Methods for announcing OBSS R-TWT schedules to EHT STAs and U

0 views • 13 slides


Proposed Designs for IEEE 802.11-20 Preamble Design

In these slides, designs are proposed for U-SIG content and overflow for the Unified SU/MU PPDU as well as EHT-SIG design in IEEE 802.11-20. The focus is on punctured channel indication design to enable decoding of puncturing patterns by devices, with an emphasis on signaling efficiency and low over

1 views • 29 slides


IEEE 802.11-20/1317r1 EHT-SIG Proposal Discussion

The document discusses EHT-SIG for single-user and sounding NDP in IEEE 802.11-20/1317r1, focusing on overflow bits, user fields, CRC, and tail formats. It covers the format details, subfields, and overhead compared to HE sounding, proposing specific bit allocations for different elements. The EHT-S

0 views • 16 slides


Discussion on IEEE 802.11-23/1865r0: SST and A-PPDU

The document discusses the current lack of support for SST on S160 in 11be, highlighting that 11be AP and STA do not support A-PPDU. It explores potential combinations for A-PPDU involving UHR and non-UHR HE and EHT STAs, addressing bandwidth enhancements and benefits of various scenarios. The analy

0 views • 14 slides


Design Considerations for AR/VR on EHT in IEEE 802.11-19/1780r0

Explore the detailed design considerations and use cases for AR/VR applications on EHT in the IEEE 802.11-19/1780r0 document. The document covers various aspects such as KPIs, timing diagrams, simulation results, comparisons with 5GNR, source of latency in 802.11, and suggestions for optimizing perf

0 views • 15 slides


Relevance of Lean PHY for EHT in 6 GHz

Discussing the importance of a Lean PHY for EHT in 6 GHz to improve spectrum efficiency and reduce overhead. Introducing the Low Throughput PHY as a potential solution, highlighting its benefits compared to existing options like 802.11a. Measurement results show the impact and potential for enhancin

0 views • 14 slides


Decoupling Channel Training Length for EHT Evaluation in IEEE 802.11 - 20/0486r0

Evaluation of decoupling channel training length from the number of streams for EHT in IEEE 802.11. The impact of noise on channel estimation error in data symbol detection is assessed, highlighting techniques for noise improvement. Further insights into 11ax training sequences are provided, along w

0 views • 13 slides