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Ultra-Wideband Technology: Redefining Precision in Asset Tracking

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Ultra Wideband Technology: Redefining Precision In Asset Tracking

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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Warehouse Orchestration: Solving the Daily Breakdown Between Plan and Execution

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Warehouse Orchestration: Solving The Daily Breakdown Between Plan And Execution

In most warehouses today, the problem is not whether work gets done; it is how much effort it takes to keep everything aligned and on track. Every day, there is a breakdown between the plan and executing the plan. Labor plans, inbound schedules, picking priorities, and automation all operate from valid assumptions, but not always the same ones. The gaps between them are filled in real time by supervisors and teams, making constant adjustments. That is what keeps operations running, but it is also what makes them fragile.

It is a challenge many operations recognize. Even with modern systems in place, execution still depends heavily on human coordination. Warehouse orchestration is the shift from managing tasks independently to coordinating the entire operation and ensuring decisions across the system stay aligned as conditions change. The best way to understand what that means in practice is not through a system diagram, but through the lens and experience of the people running the floor.

Consider Maria, a warehouse supervisor responsible for keeping a high-volume operation on track. She is experienced, practical, and steady under pressure, but what she is really managing is not just work; it is complexity.

At any given moment, she balances labor availability, work queues, inbound variability, equipment status, and shifting order priorities. Those inputs are not wrong. They are just not aligned. It is her job to bridge that gap in real time.

A shift that starts “normal” … until it does not

Maria arrives before the floor fully wakes up. Her first stop is not the dock or the pick module; it is yesterday’s reality. What shipped? What did not? Where did the backlog form? Which waves did not behave as the plan assumed? She is not looking for blame; she is looking for drift. Drift is what turns into firefighting later.

Demand shifted over the weekend, but the pick face still reflects last week’s reality. One area is short-staffed; another has idle labor. When the team built the labor plan, it made sense, but the day had already moved on. The team scheduled inbound; however, it is not predictable. Every ETA is a best guess, and how trailers show up rarely matches how they appear on a screen.

Individually, nothing here is catastrophic, but warehouses do not fail all at once. They gradually lose alignment between plan and execution. The team compensates in real time by moving people, reprioritizing work, working around automation delays, and making judgment calls. And the shift “works,” but there is a cost:

Overtime, which did not need to happen.

Detention fees, which show up later.

Service misses, driven by wrong priorities rather than a lack of effort.

Leaders who spend more time reacting than improving.

These challenges are the reality across many operations. Execution is strong, but coordination is fragile.

The real bottleneck: decisions are fragmented

Most warehouses are not short on tools. They have WMS, robotics systems, labor tools, and planning solutions. Each one does its job well, but they do not make decisions together. Each system optimizes its scope based on different priorities or timings. The gaps between them are filled manually by people like Maria. In an environment with less variability, that might work, but in most cases:

Demand changes faster and more frequently.

Labor is less predictable.

Automation introduces new dependencies.

Customer expectations continue to rise.

Under these conditions, static plans, especially labor plans and wave structures, can drift out of sync before the shift is halfway through. That is when the operation starts relying on “manual heroics.” Experienced supervisors keep things running. It is hard to scale, and even harder to sustain.

AI-driven warehouse orchestration: keeping the operation aligned

Warehouse orchestration and the power of AI address this gap. Because it is not just about executing tasks, it is about coordinating decisions across the operation and using intelligence to see, analyze, and recommend actions with full visibility to all the variables. Instead of managing isolated activities, intelligent orchestration continuously aligns:

Labor to demand.

Inbound and outbound priorities.

Work sequencing across zones.

Automation with human workflows.

It does this in real time, as conditions change. Variability is constant, and it is not realistic to eliminate. The goal is to see the risk earlier, respond faster and more consistently, and prevent disruption.

Back to Maria: when the system helps carry the load

Now imagine Maria running that same Monday, but operations now behave like a connected ecosystem, not a collection of islands. Before the shift even starts, she is not just reviewing what happened yesterday. She is looking at a forward-facing view that is already adjusting based on incoming signals. She is getting visibility into risk early before it is a problem. Inbound appointments are not just a schedule; they are a ranked set of trade-offs that balance urgency, detention risk, inventory needs, and outbound commitments. Her decisions are clearer because the system prioritizes them, reflecting business impact. Slotting does not rely on disruptive, periodic re-slot projects that leave the pick face to decay. Instead, optimization and learning continuously shape placement, folding the highest value moves into natural replenishment windows and explaining the “why” in business language.

And during the shift, when one area starts falling behind, Maria does not have to guess the best move. She can see the impact of her options:

Shifting labor.

Reprioritizing tasks.

Adjusting sequencing.

Instead of relying on instinct and experience alone, she has visibility into how decisions affect the entire operation. She is still in control, but the system is helping her avoid problems instead of chasing them. And that changes how the shift feels. It is not static; it is dynamic, but stable.

The key ingredients: unified data, SaaS, AI & ML, connected systems

Behind the scenes, this comes down to unified data, SaaS, AI, ML, and systems that work together. When you connect your warehouse systems, add real-time operational signals and visibility to systems outside of the warehouse, and apply AI and ML for speed and precision, you are working from a single source of truth and an interconnected ecosystem of systems. As a result, users make decisions with a broader context. Then the operation starts to learn; outcomes inform future decisions, improving how the system responds over time. And now, humans are not the only thing holding the performance together.

Why this matters right now

For supply chain leaders, this is not only about efficiency. It is about operating in a world where volatility is constant. Across industries, the specifics vary, but the challenges are consistent:

Handling demand swings without inflating labor costs

Scaling operations without scaling complexity

Maintaining service levels under pressure

The operations that succeed are the ones that do not just react faster; they are the ones that operate in alignment.

The shift ahead

A single, modern technology will not define the future of warehouse management. It will be defined by how well operations coordinate across people, systems, and workflows in real time. That is what intelligent warehouse orchestration enables. It turns the warehouse from a collection of well-run processes into a connected system that can adjust continuously. Because in the end, the goal is not just to execute the plan. It is to keep the plan from breaking when the shift starts.

By Tammy Kulesa
Senior Director, Solution & Industry Marketing, Blue Yonder

Tammy is the Senior Director of Solution and Industry Marketing, leading go-to-market strategy and thought leadership for Blue Yonder Cognitive Solutions for Execution, and the LSP Industry. With over 20 years of experience in technology marketing and nearly a decade focused on retail, logistics, and supply chain, Tammy brings a deep understanding of the operational and strategic challenges facing today’s supply chain leaders. A passionate advocate for innovation and collaboration, Tammy has a proven track record of connecting market needs with transformative solutions.

The post Warehouse Orchestration: Solving the Daily Breakdown Between Plan and Execution appeared first on Logistics Viewpoints.

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How Operational AI Turns Supply Chain Recommendations into Action

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Supply chain AI cannot stop at better insight. To create operational value, AI recommendations must connect to workflows, execution systems, approval paths, and measurable outcomes.

Artificial intelligence is quickly becoming part of the supply chain technology conversation. Vendors are adding copilots, recommendation engines, autonomous agents, and predictive analytics to planning, transportation, warehousing, procurement, and visibility applications. The promise is clear: better decisions, faster responses, and more adaptive operations.

But there is a critical distinction that supply chain leaders need to keep in view. An AI system that identifies a problem is not the same as an AI system that helps solve it.

A demand-planning model may identify a likely stockout. A transportation model may flag a lane disruption. A supplier-risk model may detect a deteriorating delivery pattern. Those are useful insights. But unless the system can connect that insight to an action pathway, the burden still falls on the planner, transportation manager, procurement team, or customer service group to decide what happens next.

That is where many AI deployments will either create real value or stall out.

For a deeper look at the architecture behind operational AI, including A2A, MCP, RAG, Graph RAG, and connected decision systems, download the full white paper: AI in the Supply Chain: From Architecture to Execution.

Insight Is Not Execution

Supply chains do not run on insight alone. They run on orders, shipments, purchase orders, inventory moves, carrier tenders, production schedules, warehouse labor plans, customer commitments, and exception workflows.

A recommendation that remains in a dashboard is not yet operational AI. It is decision support. Decision support can be valuable, but it does not fundamentally change the operating model unless it becomes part of the execution process.

The question is not simply, “Can the AI make a recommendation?” The better question is, “Can the organization act on that recommendation in a controlled, auditable, and timely way?”

For example, if an AI system predicts that a regional distribution center will run short of inventory, several action pathways may be available. The company might expedite inbound supply, rebalance inventory from another facility, substitute a product, modify customer allocation rules, or adjust promised delivery dates.

Each action has a cost, a service implication, and a governance requirement.

Operational AI must understand those pathways. It must also know which actions it can recommend, which it can execute automatically, and which require human approval.

The Execution Layer Matters

This is why integration with core execution systems is so important. AI cannot operate effectively if it sits outside the systems where work is actually performed.

For supply chain AI to become operational, it must connect to transportation management systems, warehouse management systems, order management systems, ERP, procurement platforms, supplier portals, customer service workflows, and control tower environments.

Without these connections, AI may diagnose problems faster, but it will not necessarily resolve them faster.

The difference is material. An AI assistant that says, “This shipment is likely to miss its delivery appointment,” is useful. An AI-enabled workflow that identifies the delay, calculates downstream service risk, recommends a carrier alternative, checks cost thresholds, initiates an approval workflow, and updates customer service is much more powerful.

That is the move from analytics to operational intelligence.

Human-in-the-Loop Still Matters

This does not mean every AI recommendation should become an automated action. Supply chain decisions often involve tradeoffs among cost, service, risk, inventory, and customer relationships. Many require judgment.

The more practical model is tiered autonomy.

Low-risk, high-frequency actions may be automated. Moderate-risk decisions may require planner approval. High-impact exceptions may require escalation to a manager or executive.

This is not a weakness. It is a design requirement.

A well-architected operational AI system should know when to act, when to recommend, and when to escalate. It should also capture the outcome so the system can learn whether the decision improved performance.

Closed-Loop Learning Is the Real Prize

The most important capability may not be the first recommendation. It may be the feedback loop that follows.

Did the expedited shipment prevent the stockout? Did the alternate supplier meet the delivery date? Did the inventory transfer protect service without creating a shortage elsewhere? Did the customer accept the revised promise date?

These outcomes should not disappear into operational noise. They should feed back into the intelligence layer.

That is how AI becomes more than a static recommendation tool. It becomes a learning system embedded in the daily operating rhythm of the supply chain.

What This Means for Buyers

Supply chain leaders evaluating AI-enabled software should press vendors on action pathways. The relevant questions are straightforward.

Can the system connect recommendations to execution workflows? Can it distinguish between automated, approved, and escalated actions? Can it operate across functions, not just inside one application? Can it create an audit trail? Can it learn from outcomes?

The vendors that answer these questions well will move beyond AI features. They will become part of the operating architecture.

The next phase of supply chain AI will not be won by the tool that produces the most impressive recommendation. It will be won by the systems that help companies act faster, with more control, better context, and measurable outcomes.

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