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Ultra-Wideband Technology: Redefining Precision in Asset Tracking
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1 an agoon
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Ultra-Wideband (UWB) is a radio frequency technology operating across a wide spectrum from 3.1 to 10.6 GHz. It functions by transmitting extremely short bursts of radio energy, typically lasting only a few nanoseconds. This pulse-based transmission enables precise distance measurement through techniques such as Time-of-Flight (ToF) and Time-Difference-of-Arrival (TDoA). ToF measures the time taken for a signal to travel between two UWB devices, while TDoA calculates location based on the differences in arrival times of a UWB signal at multiple fixed reference points. UWB technology is standardized under IEEE 802.15.4, with amendments 802.15.4a and 802.15.4z specifically enhancing its ranging capabilities with added security and robustness.
UWB systems provide highly accurate, real-time positioning data, particularly effective in indoor environments where Global Positioning System (GPS) signals are often unavailable or degraded. This capability renders UWB valuable in sectors requiring spatial awareness, including manufacturing, healthcare, and logistics.
Technical Characteristics
Frequency Range: 3.1 GHz to 10.6 GHz. The wide bandwidth allocated to UWB allows for the transmission of very short pulses, which is fundamental to its precise ranging capabilities. Regulatory bodies, such as the Federal Communications Commission (FCC) in the United States, permit UWB operation within this spectrum under specific power limits to ensure compatibility with other radio services.
Pulse Duration: Nanosecond-scale. The brevity of these pulses minimizes the impact of multipath interference, a common challenge in indoor environments where signals reflect off multiple surfaces. This characteristic enables UWB to resolve closely spaced signal paths, contributing to its high accuracy.
Location Accuracy: Typically 10–30 cm. This level of precision is achieved through the ability to timestamp UWB signals with sub-nanosecond resolution, directly translating to highly accurate distance calculations.
Core Standards:
IEEE 802.15.4: This foundational standard specifies the physical layer (PHY) and media access control (MAC) for low-rate wireless personal area networks (LR-WPANs).
IEEE 802.15.4a: This amendment introduced precise ranging capabilities to the standard, primarily through the analysis of the UWB signal’s Channel Impulse Response (CIR). This allows for high-resolution time measurements essential for accurate distance determination.
IEEE 802.15.4z: This amendment further enhanced UWB ranging by adding secure time-of-flight measurements and improving robustness. It includes cryptographic protection of ranging measurements to mitigate vulnerabilities such as spoofing and relay attacks, thereby increasing the integrity and trustworthiness of location data.
Industry Ecosystem:
The FiRa Consortium is an industry alliance dedicated to promoting interoperability and the widespread adoption of UWB technology across various applications. Member companies include Samsung, Bosch, Cisco, and NXP, among others.
UWB systems exhibit greater resilience than signal strength–based solutions like Bluetooth Low Energy (BLE) or Radio Frequency Identification (RFID), particularly in environments characterized by high levels of interference or the presence of metallic obstructions. This resilience is attributed to UWB’s wide bandwidth and low power spectral density.
Comparison with Other Tracking Technologies
Technology
Accuracy
Indoor Use
Battery Life
Real-Time Capability
Barcode
Manual (LoS)
Limited
N/A
No
Passive RFID
~1–5 m
Moderate
Passive
Limited
BLE
~1–5 m
Good
~1 year
Yes
GPS
~3–10 m
No
High
Yes
UWB
10–30 cm
Excellent
~3–5 years
Yes
Deployment Considerations
Parameter
Details
Infrastructure
UWB Real-Time Location Systems (RTLS) necessitate the deployment of fixed UWB anchors and mobile UWB tags. Anchors serve as reference points, often powered via Power over Ethernet (PoE) or battery, strategically placed within the tracking area.
Tags
UWB tags are battery-operated devices attached to assets, equipment, or personnel to be tracked. Their low duty cycle operation typically enables battery lifetimes ranging from 3 to 5 years, reducing maintenance requirements. Tag form factors vary based on application needs.
Software
UWB location data requires integration with various enterprise software systems. This includes Enterprise Resource Planning (ERP) for asset management and inventory reconciliation, Warehouse Management Systems (WMS) for optimizing picking paths and inventory flow, and Manufacturing Execution Systems (MES) for tracking work-in-progress materials and personnel within production environments. Integration with analytics platforms provides operational insights.
Cost
The overall cost of a UWB system deployment varies depending on the scale of the implementation, the size and layout of the facility, the desired accuracy level, and the density of anchors required. Specialized UWB components and installation labor contribute to the initial investment.
Security
UWB systems employ features from IEEE 802.15.4z for enhanced security. This includes cryptographic protection of ranging measurements and secure timestamping mechanisms. These features are designed to prevent malicious interference such as spoofing, relay attacks, and unauthorized access to location data.
Verified Real-World Implementations in Logistics
These use cases demonstrate UWB’s application and measurable impact within supply chain logistics:
Warehouse Optimization – Pozyx’s UWB solution was implemented at Bonduelle, a processed vegetable producer, to address the challenge of locating pallets in their large fresh salad factory. By leveraging real-time UWB tracking of pallets, the company achieved a 3% increase in warehouse efficiency. This precision in localization reduced manual search times, resulting in hundreds of hours saved annually per warehouse.
Employee and Forklift Tracking in Warehouses – Navigine deployed a UWB-based real-time tracking system across a 10,000 m² logistics warehouse. Employees and forklifts were equipped with UWB tags, enabling their precise location tracking. This implementation led to a 4% increase in daily task completion per employee and a 3% increase in overall warehouse productivity through optimized routes and workflow monitoring. Furthermore, the system integrated a collision prevention feature, enhancing worker safety within the operational area.
Real-time Goods Receipt and Transport Optimization – TB International collaborated with Inpixon/INTRANAV to integrate a smart warehouse module incorporating both RFID and UWB technologies. This multi-RTLS approach enabled precise localization with UWB and item identification with RFID. The system automated goods receipt processes, provided digital work instructions for sorting operations, and optimized transport orders for forklifts based on real-time location data. These improvements collectively resulted in a nearly 40% increase in operational efficiency, including scannerless storage and retrieval processes.
Standards and Ecosystem
IEEE 802.15.4 This is the foundational standard for low-rate wireless personal area networks (LR-WPANs), upon which UWB operates. Key amendments to this standard have specifically evolved UWB’s capabilities:
802.15.4a: This amendment introduced specific provisions for high-resolution ranging and location capabilities for UWB. It defines mechanisms for more accurate time-of-flight measurements by analyzing the UWB signal’s Channel Impulse Response (CIR).
802.15.4z: This amendment builds upon 802.15.4a, focusing on secure UWB ranging and enhanced robustness. It integrates cryptographic techniques to protect ranging measurements from manipulation and improves the reliability of ranging in challenging radio environments.
FiRa Consortium The FiRa Consortium is an industry alliance established to ensure interoperability among UWB devices from various manufacturers. Its activities include the development of common technical specifications, the establishment of certification programs, and the promotion of UWB technology for secure ranging and precise location. This concerted effort contributes to the growth and diversification of the UWB ecosystem, facilitating broader adoption across industries.
Limitations of UWB
Higher initial hardware and installation cost: Compared to technologies like BLE or passive RFID, UWB systems typically incur higher upfront costs. This is due to the specialized nature of UWB transceivers, antennas, and the precise calibration required for anchor placement during installation.
Tag size and cost may not suit very small or low-value items: The size and unit cost of current UWB tags, driven by component size and battery requirements, can render them impractical for tracking extremely small or disposable, low-value items where cost per tag must be minimal.
Performance may be affected in environments with dense physical obstructions: While generally robust, UWB signal propagation can experience attenuation or severe multipath effects in environments with numerous dense metallic structures or thick concrete walls. This may necessitate a denser deployment of anchors to maintain desired accuracy.
Integration with business software systems is necessary for full ROI: The raw location data generated by a UWB RTLS requires processing and integration with existing enterprise systems (e.g., WMS, ERP, MES) to transform it into actionable insights and enable automated workflows. This integration process can represent a significant portion of the total project cost and complexity.
Ultra-Wideband technology provides precision in indoor asset tracking capabilities. Its technical characteristics, supported by IEEE standards and fostered by the FiRa Consortium, position UWB as a solution for applications requiring accurate, real-time spatial awareness. From logistics terminals to industrial sites, UWB facilitates advanced automation, enhances safety protocols, and contributes to operational efficiency. Verified implementations in supply chain logistics underscore its application in optimizing material flow, improving productivity, and ensuring worker safety.
The post Ultra-Wideband Technology: Redefining Precision in Asset Tracking appeared first on Logistics Viewpoints.
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The Systems-Engineered Logistics Operation: From Transformation Projects to Continuous Design
Published
17 heures agoon
3 novembre 2026By
For years, logistics transformation has been organized as a succession of projects. Implement the platform. Build the control tower. Automate the facility. Add the AI layer. The problem is that logistics no longer changes on a project cadence.
That environment is disappearing. The future logistics will need to be designed continuously. The Autonomous Logistics Network is one expression of this end state, but reaching it requires continuous design rather than a one-time transformation project.
Stop Thinking in Technology Stacks
Modern logistics networks are becoming integrated combinations of physical assets, software, data, optimization, AI, robotics, people, partners, and automated decisions. Calling this a technology stack understates what is happening.
It is an operating system. The important design questions are no longer confined to which applications a company owns. Leaders have to consider how decisions flow, how data maintain continuity across systems, how automation interacts with people, how models are governed, how exceptions escalate, and how the organization behaves when components fail.
That is systems engineering territory. The companies that manage this architecture deliberately will have an advantage over those that continue adding capabilities one project at a time.
Intelligence Is Moving to the Point of Action
Logistics technology is moving from systems of record toward systems of decision. Traditional applications captured transactions and supported workflows. Analytical systems added prediction and optimization. The emerging layer increasingly combines real-time signals, AI, optimization, agents, and execution connectivity.
The result is intelligence closer to the point of action. A shipment delay can be identified, its impact evaluated, alternatives generated, and a response executed with limited human intervention. Transportation systems can continuously re-evaluate routes, capacity, and exceptions instead of waiting for manual replanning. Warehouse and yard systems can adjust priorities as conditions change.
This will make logistics faster. It will also make architecture and governance more consequential.
When software only reported information, a bad output could be ignored. When software acts, the operating envelope matters.
Human Work Moves Up the Decision Stack
More automation does not eliminate the human role. It changes it.
People will spend less time collecting information, reconciling spreadsheets, monitoring routine transactions, and making repetitive bounded decisions. They will spend more time dealing with novel exceptions, cross-functional tradeoffs, strategic choices, carrier and customer relationships, system design, and governance.
That is a better use of human capability. It is also a harder job.
The future planner, transportation manager, warehouse leader, or logistics executive will need to understand not only operations but the automated systems influencing operations. They will need to know when to trust a recommendation, when to challenge it, and how a decision in one part of the system affects another. Logistics expertise will become more architectural.
Continuous Design Requires Continuous Validation
If the system changes continuously, validation must become continuous as well.
AI models drift. Business priorities change. automation rules evolve. New interfaces are added. Local process changes accumulate. External conditions move.
The organization cannot wait for the next transformation program to determine whether the operating system still meets its requirements. Performance, model behavior, exception patterns, overrides, decision latency, data quality, and failure modes will need ongoing monitoring.
This creates a closed lifecycle: design, deploy, observe, validate, improve, and redesign. Transformation becomes less of an event and more of a management discipline.
Resilience Becomes an Architectural Property
The future of resilience is also likely to move beyond static buffers. Inventory and redundancy will remain important, but digital systems will make logistics more capable of sensing, simulating, and responding dynamically.
A disruption can trigger scenario analysis. A digital twin can estimate consequences. Optimization can evaluate alternatives. AI can interpret unstructured signals. Automated decision systems can act inside approved boundaries.
This does not eliminate the need for physical resilience. It allows physical resilience and decision resilience to work together.
The strongest logistics networks will not simply carry more protection. They will understand their dependencies and reconfigure faster when conditions change.
Architecture Becomes a Competitive Capability
For years, companies differentiated logistics through network scale, facility and transportation assets, carrier leverage, operational excellence, service design, and technology investment. Architecture is becoming another source of advantage.
Two companies may use similar software and still achieve very different results because one has better process integration, clearer decision rights, stronger data, more effective automation boundaries, better failure recovery, and tighter governance. The advantage does not come from owning the component. It comes from how the components have been engineered to work together.
Logistics Management Becomes Systems Management
That may be the larger lesson of this series. Logistics networks are already systems of systems. The technology is making them more connected, more autonomous, and more adaptive. That complexity cannot be managed indefinitely through functional optimization and periodic implementation projects.
The discipline has to evolve.
Define requirements before selecting solutions. Design the operating model. Architect processes, data, and decisions together. Engineer technology into the system rather than around it. Validate the outcome. Govern change. Design for failure. Improve continuously.
The competitive advantage will not come from owning the same AI, automation, TMS, WMS, visibility, and execution technologies everybody else can buy. It will come from how coherently those components have been engineered to work together. The future of logistics management is not simply more digital, more autonomous, or more intelligent. It is more engineered.
Related Logistics Viewpoints research
Systems Engineering in Logistics
The New Architecture of Logistics
2026 Supply Chain Decision Intelligence Market Map
Digital Transformation in Logistics
Previous in this series: Design for Failure: Resilience, Risk, and Failure Modes
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If your organization is evaluating a logistics transformation, technology strategy, automation program, or operating-model redesign, I would be glad to provide the complete client edition and discuss how the framework applies to your priorities, constraints, and operating environment.
The post The Systems-Engineered Logistics Operation: From Transformation Projects to Continuous Design appeared first on Logistics Viewpoints.
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Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy
Published
17 heures agoon
3 novembre 2026By
Warehouse automation has traditionally been discussed one facility at a time. A retailer installs an automated storage system, deploys mobile robots, adds robotic picking, or upgrades sortation. The business case is then measured against improvements within that particular building. Walmart and Symbotic are beginning to challenge that way of thinking.
On October 29, Walmart and Symbotic announced an expanded commercial agreement that will bring additional automation capabilities to 25 U.S. regional distribution centers. The agreement includes an initial commitment of approximately $6 billion, covering work over several years and multiple locations. Walmart says the initiative is intended to support upstream e-commerce inventory management, increase storage capacity, and improve the movement of products through its supply chain. Those numbers make the announcement noteworthy. But the more interesting story is what the scale of the commitment says about the next phase of warehouse automation.
From an Automation Project to an Operating Model
For years, warehouse automation investments were frequently justified around specific bottlenecks: reduced picker travel, increase storage density, improve sortation throughput, or offset labor requirements. Those are still important objectives. But Walmart is evaluating automation against something larger: the performance of an interconnected distribution network supporting stores, pickup and home delivery.
Rob Montgomery, executive vice president for Walmart U.S. Supply Chain Operations, tied the expanded agreement to improving service, growing capacity, simplifying work for associates and lowering costs. The company also expects the expansion to support broader assortment, greater speed and more reliable replenishment. That distinction matters.
Warehouse automation increasingly needs to be evaluated not simply by asking, “How much faster can this facility pick?” but by asking, “What does this investment change across the supply chain?” Does additional storage capacity improve inventory positioning? Does automation enable later ordering cutoffs? Can replenishment become more predictable? Can the same technology architecture be repeated across multiple facilities without redesigning the operation every time? Those questions take warehouse automation discussions much closer to business strategy.
Scale Is Becoming Part of the Business Case
The Walmart-Symbotic relationship is particularly interesting because this is not a new pilot. Reuters reported that Symbotic has been helping automate Walmart’s supply chain since 2017, while the latest agreement extends automation to another 25 regional distribution centers. There is another layer to the expansion as well. Supply Chain Dive reported that Walmart committed an additional $125 million toward research and development of racking technology and related picking, process-flow and inventory-management capabilities. That is important because it suggests the competitive discussion is moving beyond individual pieces of robotic hardware. Warehouse automation is increasingly about how storage, picking, inventory, material movement and software operate together.
Symbotic’s current portfolio illustrates that evolution. The company says its integrated offering includes BreakPack for each-picking and SymMicro for e-commerce micro-fulfillment, supported by proprietary software that uses AI to orchestrate product movement. The question for warehouse operators, therefore, becomes less about which robot performs an individual task and more about how multiple automation layers combine into a repeatable operating system.
Walmart Is Not the Only Signal
Developments elsewhere reinforce the same trend. Amazon reported in 2026 that it has deployed more than one million robots across its operations network. Its systems now span inventory handling, mobile robotics, robotic arms and packaging automation. The company also says its Sequoia system can identify and store inventory up to 75 percent faster at fulfillment centers.
Meanwhile, DHL Supply Chain and Locus Robotics reached another useful measure of scale in 2026: one billion warehouse picks using Locus AMRs. Locus says thousands of its robots now operate across more than 40 DHL-managed sites worldwide. These examples are different applications with different economics. That is precisely the point. The warehouse automation market is moving beyond the question of whether robotics can work. Leading operators are increasingly confronting the harder questions of where automation should be deployed, how quickly it can scale, how well it integrates with existing operations, and whether benefits survive replication across a network.
The Metrics That Matter After Go-Live
The risk in covering a $6 billion automation agreement is treating announced spending as though it were demonstrated return. It is not. The more valuable story will develop as the systems go live. The measures worth watching include throughput, storage utilization, replenishment performance, labor productivity, system availability, fulfillment speed, implementation cost and the ability to maintain performance during demand peaks. That distinction should matter to technology buyers. A compelling demonstration can show what automation can do. A network-scale deployment begins to show whether the technology can generate similar value repeatedly under different facility and operating conditions. For Walmart, that makes the 25 distribution centers as important as the $6 billion headline.
Takeaway
The next chapter of warehouse automation will not be defined simply by more robots. It will be defined by whether operators can turn automation into a repeatable, measurable and scalable operating capability.
Walmart’s expanded relationship with Symbotic provides an unusually large test of that idea. The announced objectives are ambitious: more capacity, faster product movement, better replenishment, broader assortment, simpler work and lower costs. Now comes the more important part: measuring what changes when those systems are operating across the network. For other warehouse operators considering automation, that may ultimately be the most useful lesson from Walmart. Do not evaluate the robot alone. Evaluate what the automation changes in the economics and performance of the supply chain around it.
The post Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy appeared first on Logistics Viewpoints.
Non classé
Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy
Published
17 heures agoon
3 novembre 2026By
Warehouse automation has traditionally been discussed one facility at a time. A retailer installs an automated storage system, deploys mobile robots, adds robotic picking, or upgrades sortation. The business case is then measured against improvements within that particular building. Walmart and Symbotic are beginning to challenge that way of thinking.
On October 29, Walmart and Symbotic announced an expanded commercial agreement that will bring additional automation capabilities to 25 U.S. regional distribution centers. The agreement includes an initial commitment of approximately $6 billion, covering work over several years and multiple locations. Walmart says the initiative is intended to support upstream e-commerce inventory management, increase storage capacity, and improve the movement of products through its supply chain. Those numbers make the announcement noteworthy. But the more interesting story is what the scale of the commitment says about the next phase of warehouse automation.
From an Automation Project to an Operating Model
For years, warehouse automation investments were frequently justified around specific bottlenecks: reduced picker travel, increase storage density, improve sortation throughput, or offset labor requirements. Those are still important objectives. But Walmart is evaluating automation against something larger: the performance of an interconnected distribution network supporting stores, pickup and home delivery.
Rob Montgomery, executive vice president for Walmart U.S. Supply Chain Operations, tied the expanded agreement to improving service, growing capacity, simplifying work for associates and lowering costs. The company also expects the expansion to support broader assortment, greater speed and more reliable replenishment. That distinction matters.
Warehouse automation increasingly needs to be evaluated not simply by asking, “How much faster can this facility pick?” but by asking, “What does this investment change across the supply chain?” Does additional storage capacity improve inventory positioning? Does automation enable later ordering cutoffs? Can replenishment become more predictable? Can the same technology architecture be repeated across multiple facilities without redesigning the operation every time? Those questions take warehouse automation discussions much closer to business strategy.
Scale Is Becoming Part of the Business Case
The Walmart-Symbotic relationship is particularly interesting because this is not a new pilot. Reuters reported that Symbotic has been helping automate Walmart’s supply chain since 2017, while the latest agreement extends automation to another 25 regional distribution centers. There is another layer to the expansion as well. Supply Chain Dive reported that Walmart committed an additional $125 million toward research and development of racking technology and related picking, process-flow and inventory-management capabilities. That is important because it suggests the competitive discussion is moving beyond individual pieces of robotic hardware. Warehouse automation is increasingly about how storage, picking, inventory, material movement and software operate together.
Symbotic’s current portfolio illustrates that evolution. The company says its integrated offering includes BreakPack for each-picking and SymMicro for e-commerce micro-fulfillment, supported by proprietary software that uses AI to orchestrate product movement. The question for warehouse operators, therefore, becomes less about which robot performs an individual task and more about how multiple automation layers combine into a repeatable operating system.
Walmart Is Not the Only Signal
Developments elsewhere reinforce the same trend. Amazon reported in 2026 that it has deployed more than one million robots across its operations network. Its systems now span inventory handling, mobile robotics, robotic arms and packaging automation. The company also says its Sequoia system can identify and store inventory up to 75 percent faster at fulfillment centers.
Meanwhile, DHL Supply Chain and Locus Robotics reached another useful measure of scale in 2026: one billion warehouse picks using Locus AMRs. Locus says thousands of its robots now operate across more than 40 DHL-managed sites worldwide. These examples are different applications with different economics. That is precisely the point. The warehouse automation market is moving beyond the question of whether robotics can work. Leading operators are increasingly confronting the harder questions of where automation should be deployed, how quickly it can scale, how well it integrates with existing operations, and whether benefits survive replication across a network.
The Metrics That Matter After Go-Live
The risk in covering a $6 billion automation agreement is treating announced spending as though it were demonstrated return. It is not. The more valuable story will develop as the systems go live. The measures worth watching include throughput, storage utilization, replenishment performance, labor productivity, system availability, fulfillment speed, implementation cost and the ability to maintain performance during demand peaks. That distinction should matter to technology buyers. A compelling demonstration can show what automation can do. A network-scale deployment begins to show whether the technology can generate similar value repeatedly under different facility and operating conditions. For Walmart, that makes the 25 distribution centers as important as the $6 billion headline.
Takeaway
The next chapter of warehouse automation will not be defined simply by more robots. It will be defined by whether operators can turn automation into a repeatable, measurable and scalable operating capability.
Walmart’s expanded relationship with Symbotic provides an unusually large test of that idea. The announced objectives are ambitious: more capacity, faster product movement, better replenishment, broader assortment, simpler work and lower costs. Now comes the more important part: measuring what changes when those systems are operating across the network. For other warehouse operators considering automation, that may ultimately be the most useful lesson from Walmart. Do not evaluate the robot alone. Evaluate what the automation changes in the economics and performance of the supply chain around it.
The post Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy appeared first on Logistics Viewpoints.
The Systems-Engineered Logistics Operation: From Transformation Projects to Continuous Design
Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy
Walmart and Symbotic: When Warehouse Automation Becomes a Network Strategy
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