nist-gov/www.nist.gov/ctl/pscr/coverage-capacity-and-resilience-enhancement-limited-psn
2025-03-05 18:59:57 +00:00

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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022" data-drupal-link-system-path="">PSIAP-2022</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/firstmodular-designing-and" data-drupal-link-system-path="">FirstModulAR: Designing and Integrating Augmented Reality User Interface Modules for First Responders</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/rapid-scalable-outdoor-and" data-drupal-link-system-path="">Rapid, Scalable Outdoor and Indoor Machine Learning-Based Mapping of Fire Department Pre-Plans</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/5g-enabled-indoor-positioning" data-drupal-link-system-path="">5G-enabled Indoor Positioning System for Firefighters using UAVs (5G-IPS)</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/augmented-reality-wildland" data-drupal-link-system-path="">Augmented Reality Wildland Urban Interface (WUI) Mitigation Framework and Application</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/broadimport-importing-european" data-drupal-link-system-path="">BroadImPort: Importing European BroadPort MCX concepts to US market needs</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/digital-twin-enabled-testbed" data-drupal-link-system-path="">A Digital-Twin Enabled Testbed for Public Safety Communication Technologies</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/first-responder-intelligent" data-drupal-link-system-path="">First Responder Intelligent Assistant (FRIA)</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2022/navigation-environment-merging" data-drupal-link-system-path="">Navigation Environment merging Virtuality, Ecotone, and Reality enabled by microtechnology for Localization Of Subjects and Things (NEVERLOST)</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-artificial-intelligence-iot" data-drupal-link-system-path="">PSIAP Artificial Intelligence for IoT Information</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-artificial-intelligence-iot/smart" data-drupal-link-system-path="">Smart Communities, Smart Responders (SCSR) An AI for IoT Prize Competition</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-public-safety-radio-data" data-drupal-link-system-path="">PSIAP Public Safety Radio Data</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-public-safety-radio-data/creating" data-drupal-link-system-path="">Creating a Shared Public Safety Radio Data Set for Research and Analysis</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality" data-drupal-link-system-path="">PSIAP Augmented Reality</a>
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<ul id="menu-public-safety-communication-3-2-4" class="usa-sidenav__sublist">
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/augmented-reality" data-drupal-link-system-path="">Augmented Reality Interface for Public Safety Operations</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/extreme-reality" data-drupal-link-system-path="">Extreme Reality (EXR) Telemetry Interface for Real-Time Operation and Training</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/natural" data-drupal-link-system-path="">Natural Authentication for Emergency Management AR</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/archangel" data-drupal-link-system-path="">ARCHANGEL</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/first-responder" data-drupal-link-system-path="">First Responder Augmented Reality Test Bed</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/searchar-user" data-drupal-link-system-path="">SearchAR User-Centered Adaptive Augmented Reality</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/context-aware" data-drupal-link-system-path="">Context-Aware Augmented Reality for Cognitive Assistance</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-augmented-reality/easyvizar-edge" data-drupal-link-system-path="">EasyVizAR: Edge-Supported, Assistive Augmented Reality for Indoor First Responder Scenarios</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-fr3d-prize" data-drupal-link-system-path="">PSIAP FR3D Prize</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-fr3d-prize/indiana-first-responder" data-drupal-link-system-path="">Indiana First Responder 3D Indoor Tracking Challenge</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-test-equipment" data-drupal-link-system-path="">PSIAP MCV Test Equipment</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-test-equipment/valid8-mcx-client" data-drupal-link-system-path="">The Valid8 MCX Client Conformance Tester</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-test-equipment/mcs-taasting" data-drupal-link-system-path="">MCS TaaSting</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-test-equipment/mission-critical" data-drupal-link-system-path="">Mission Critical Test Platform</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-i-axis" data-drupal-link-system-path="">PSIAP i-Axis</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-i-axis/accelerating-adoption-and-use" data-drupal-link-system-path="">Accelerating Adoption and Use of Emerging LBS by Public Safety</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-qoe" data-drupal-link-system-path="">PSIAP MCV QoE</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-qoe/artemis-quarc-quality-under" data-drupal-link-system-path="">ARTEMIS QUARC - Quality Under Adjustable Realistic Conditions</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-mcv-qoe/experimentally-driven" data-drupal-link-system-path="">Experimentally-driven mapping of QoS-to-QoE for Mission-Critical Voice</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-point-cloud-city" data-drupal-link-system-path="">PSIAP Point Cloud City</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-point-cloud-city/creating-catalog" data-drupal-link-system-path="">Creating a Catalog of Point Clouds for Public Buildings in Enfield, Connecticut</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-point-cloud-city/map-901-building" data-drupal-link-system-path="">Map 901: Building Rich Interior Hazard Maps for First Responders</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-point-cloud-city/hancock-county" data-drupal-link-system-path="">Hancock County Point Cloud City</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface" data-drupal-link-system-path="">PSIAP User Interface</a>
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<ul id="menu-public-safety-communication-3-2-10" class="usa-sidenav__sublist">
<li>
<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/design-prototyping" data-drupal-link-system-path="">Design, Prototyping and Evaluation of Next Generation Public Safety User Interfaces</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/investigating" data-drupal-link-system-path="">Investigating Emergency Response Performance with VR-Based Intelligent User Interfaces</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/firstsimvr-evaluating" data-drupal-link-system-path="">FirstSimVR: Evaluating Future Tools Using Today&#039;s VR</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/cognition-driven" data-drupal-link-system-path="">Cognition-driven Display for Navigation Activities</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/ar-testing-equipment" data-drupal-link-system-path="">AR Testing of Equipment and Multiple Immersive Simulations</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/glove-based-home" data-drupal-link-system-path="">Glove Based Home to Ambulance Simulation Environment</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-user-interface/mixed-reality" data-drupal-link-system-path="">A Mixed Reality Training and Testing Facility for First Responders</a>
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</ul>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2017" data-drupal-link-system-path="">PSIAP 2017</a>
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<ul id="menu-public-safety-communication-3-2-11" class="usa-sidenav__sublist">
<li>
<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2017/psiap-2017-public-safety" data-drupal-link-system-path="">PSIAP 2017 - Public Safety Mission Critical Voice</a>
</li>
<li>
<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2017/psiap-2017-location-based" data-drupal-link-system-path="">PSIAP 2017 - Location-Based Services</a>
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<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2017/psiap-2017-public-safety-0" data-drupal-link-system-path="">PSIAP 2017 - Public Safety Analytics</a>
</li>
<li>
<a href="/ctl/pscr/funding-opportunities/past-funding-opportunities/psiap-2017/psiap-2017-resilient-systems" data-drupal-link-system-path="">PSIAP 2017 - Resilient Systems</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/funding-opportunities/award-recipient-resource-center" data-drupal-link-system-path="">Award Recipient Resource Center</a>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/funding-opportunities/award-recipient-database" title="Find PSCR grant and cooperative agreement award recipients by institution." data-drupal-link-system-path="">Award Recipient Database</a>
</li>
</ul>
</li>
<li class="usa-sidenav__item usa-sidenav__item--parent">
<a href="/ctl/pscr/open-innovation-prize-challenges" data-drupal-link-system-path="">Open Innovation Prize Challenges</a>
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<a href="/ctl/pscr/open-innovation-prize-challenges/current-and-upcoming-prize-challenges" data-drupal-link-system-path="">Current and Upcoming Prize Challenges</a>
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<ul id="menu-public-safety-communication-4-1" class="usa-sidenav__sublist usa-accordion">
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<a href="/ctl/pscr/open-innovation-prize-challenges/current-and-upcoming-prize-challenges/2024-first-responder" data-drupal-link-system-path="">2024 First Responder UAS Wireless Data Gatherer Challenge</a>
</li>
</ul>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges" data-drupal-link-system-path="">Past Prize Challenges</a>
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<ul id="menu-public-safety-communication-4-2" class="usa-sidenav__sublist usa-accordion">
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<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges/2023-first-responder-uas-3d-mapping" title="This webpage provides an overview of the UAS 5.0 3D mapping challenge" data-drupal-link-system-path="">2023 First Responder UAS 3D Mapping Challenge</a>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges/2022-commanding-tech-challenge" title="2022 CommanDING Tech Challenge" data-drupal-link-system-path="">2022 CommanDING Tech Challenge</a>
</li>
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<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges/2022-first-responder-uas-indoor" data-drupal-link-system-path="">2022 First Responder UAS Indoor Challenge</a>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges/2021-mobile-fingerprinting" data-drupal-link-system-path="">2021 Mobile Fingerprinting Innovation Technology Challenge</a>
</li>
<li class="usa-sidenav__item">
<a href="/ctl/pscr/open-innovation-prize-challenges/past-prize-challenges/2021-first-responder-uas-triple" data-drupal-link-system-path="">2021 First Responder UAS Triple Challenge</a>
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<ul id="menu-public-safety-communication-4-2-5" class="usa-sidenav__sublist">
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<h1 class="nist-page__title">Coverage, Capacity, and Resilience Enhancement in Limited PSN</h1>
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<p><em><strong>George Washington University</strong></em></p>
<hr>
<p>The next few years form a critical stage in the evolution of broadband Public Safety Networks (PSNs); we anticipate that key PSN-related issues including coverage and capacity extension methods, support for end-to-end Quality of Service Priority and Preemption (QPP), failure resilience, and multicast will be fully standardized (reach final and stable version) only after this time, given the current lack of fully-compliant chips and interoperability tests in some aspects. We have already obtained a number of important results that can inform and impact handling of Mission Critical Voice (MCV), Mission Critical Push-To-Talk&nbsp;(MCPTT), general QPP support, as well as general coverage enhancement, and reconfiguration methods in future PSNs. In particular, our pioneering study on the analysis of potential spectrum savings and improving first responder (FR) communications by using&nbsp;Multicast-broadcast single-frequency network&nbsp;(MBSFN) and our results on optimal selection of channel parameters for PSN applications in Long-Term Evolution (LTE) Direct are useful for MCV, MCPTT and general QPP support. Our work on FR trajectory-based mobile base station placement is important for general coverage enhancement and reconfiguration, and useful to the first responder communications and operations. Several articles are already published from the results of this research, and additional articles are expected to be submitted. -<em>&nbsp;July 2019&nbsp;</em></p>
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<li><a class="media-link-ga " data-entity-substitution="canonical" data-entity-type="media" data-entity-uuid="ba07648e-0c56-4b01-a808-af78b9fab043" data-file-url="/system/files/documents/2017/09/28/psiap_george_washington_university_project_poster_2017.pdf" href="/document/psiapgeorgewashingtonuniversityposter2017pdf" title="psiap_george_washington_university_poster_2017.pdf">2017 Project Poster</a></li>
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<h3>Meet the Team</h3>
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<p class="text-align-center">Hyeong-Ah Choi<br>
George Washington University</p>
<p class="text-align-center">Amrinder Arora<br>
George Washington University</p>
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<p class="text-align-center">Yanxiang Zhao<br>
George Washington University</p>
<p class="text-align-center">Wei Cheng<br>
Virginia Commonwealth University</p>
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<p class="text-align-center">Gokhan Sahin<br>
Miami University</p>
<p class="text-align-center">&nbsp;</p>
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<h3>Project Overview</h3>
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<p>It is crucial to provide timely and reliable communication among the public safety (PS) team members, victims and devices involved in an emergency situation. However, such communication may be unavailable in all or parts of the incidence area for various reasons. Even in some LTE-based PS network&nbsp;settings, limited range (and coverage), high latency, and lack of emergency call robustness are viewed as important challenges that need to be addressed. This project considers both off-network and on-network first responder&nbsp;user equipment (UE). The overarching objective of this project is to extend the PSN coverage to UEs that are outside the reach of the eNB, and to provide sustained, failure-resilient coverage and capacity to both on-network and off-network UEs consistent with the dynamically changing needs, priorities, and Quality of Service (QoS) requirements of the FR in real-time.</p>
<p>The vision is to have a PSN that intelligently adapts and extends its coverage so as to ensure the availability of the services, bandwidth, QoS level, and reliability required by the FR wherever they go, at the right time. <strong>The overall objective of this project in this context is to support MCV&nbsp;communication for FRs in the broadest set of environments and situations possible.</strong></p>
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<p>To achieve this objective, the teams research centers on two broad categories of enabling technologies and approaches:</p>
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<p>Prudent use of relays and mobile eNBs, including trajectory and placement optimization and real-time scheduling of relay operation (on/off) and coordination</p>
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<p>QoS, prioritization, and preemption for mission-critical communication (MCC). In conjunction with, and expanding upon these two approaches, we will also focus on addressing various PSN-specific issues and problems in network resilience and reconfiguration and LTE multicasting. This project will utilize, combine, and develop tools from algorithms, optimization, stochastic analysis, graph theory, and distributed and hybrid protocol design.</p>
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<p><strong>Anticipated Challenges</strong></p>
<p>Prior art in LTE broadband networks has commercial focus, and is unsuitable for the dynamic, unpredictable, and hierarchical nature of PSN. Designing online and/or distributed mechanisms for dynamic FR scenarios on and off-network, on a large scale, with QPP and fault-tolerance constraints, is challenging, yet essential for PSN.</p>
<p><strong>Benefits and Impacts</strong></p>
<p>The next few years form a critical stage in the evolution of broadband PSNs; the team anticipates that key PSN-related issues including coverage and capacity extension methods, support for end-to-end QPP, failure resilience, and multicast will be fully standardized (reach final and stable version) only after this time, given the current lack of fully-compliant chips and interoperability tests in some aspects. Accordingly, it is important to address these issues now in order to inform and impact handling of MCV, MCPTT, general QPP support, as well as general coverage enhancement, failure resilience and reconfiguration methods in future PSN networks.</p>
<h4 class="text-align-center"><a href="https://www.nist.gov/ctl/pscr/psiap-2017-public-safety-mission-critical-voice">&lt;&lt; Back to the PSIAP 2017 - Public Safety Mission Critical Voice&nbsp;Page</a></h4>
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Created September 28, 2017, Updated December 30, 2022
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