V2X technology: innovation, market evolution, and the global patent landscape

Vehicle-to-everything (V2X) communication is becoming a core layer of connected mobility, allowing vehicles to exchange data with other vehicles, road infrastructure, pedestrians, and network or cloud systems. From an intellectual property perspective, it sits at the intersection of automotive engineering, telecommunications, software, and data analytics – creating a dense patent landscape where standard-essential patents (SEPs), licensing models, and cross-industry collaboration are increasingly central issues.

V2X covers several communication modes – vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-pedestrian (V2P), and vehicle-to-network (V2N) – enabling the exchange of data on speed, location, trajectory, braking, traffic signals, hazards, weather, and pedestrian movement.

Its core advantage is expanding situational awareness beyond what onboard sensors can detect. Unlike cameras, radar, and lidar (light detection and ranging), which depend on line of sight and environmental conditions, V2X can relay information from outside the vehicle's immediate range – warning of sudden braking ahead, an approaching emergency vehicle, or a pedestrian obscured from view.

A V2X deployment brings together four interconnected layers. Onboard units integrate communication modules, processing hardware, positioning systems, and interfaces to vehicle control systems, handling both transmission and the execution of responses to received data. Roadside infrastructure – including traffic lights, signage, and sensors – enables V2I communication and supports traffic management functions. Network and cloud platforms aggregate data from vehicles and infrastructure, performing analytics and delivering services such as mapping, navigation, and mobility management, with edge computing increasingly used to reduce latency for safety-critical applications. Underlying all of this are standardised communication protocols that define how data is transmitted, formatted, and interpreted – with the choice of protocol carrying significant implications for performance, interoperability, and patent exposure.

The V2X standards landscape has been shaped by two competing technologies. DSRC, based on IEEE 802.11p, was the first protocol developed specifically for vehicular communication, operating in the 5.9 GHz band to enable direct short-range exchange between vehicles and infrastructure. It benefited from early standardisation and pilot deployments but faced limitations in scalability, range, and integration with cellular networks.

C-V2X, developed under the 3GPP framework, supports both direct communication and network-assisted connectivity. With 5G New Radio, it offers lower latency, higher reliability, and greater scalability – making it well suited for advanced safety and autonomous driving applications. Regulatory and industry momentum has shifted decisively in its favour, with several jurisdictions reallocating spectrum and revising deployment strategies accordingly. This transition carries significant implications for infrastructure investment, device compatibility, and the intellectual property landscape.

V2X has broad applications across passenger vehicles, commercial fleets, and public infrastructure:

• Safety – collision avoidance, emergency warnings, intersection alerts, and notifications about stalled vehicles or adverse conditions;

• Pedestrians and cyclists – V2P communication improves detection in dense urban areas, in poor visibility, and at complex junctions;

• Traffic management – V2I enables signal optimisation and priority passage for emergency vehicles and public transport;

• Logistics – V2X supports vehicle platooning (coordinated convoy travel that improves road capacity and fuel efficiency); and

• Navigation – V2N connectivity allows vehicles to adapt routes using live traffic, weather, and infrastructure data.

Intellectual property is central to V2X development and commercialisation. Patents protect innovations across every layer of the stack – physical layer communication techniques, message formats, network protocols, safety algorithms, data processing methods, and system architectures – with overlapping and interdependent portfolios reflecting the technology's convergence of multiple domains. Effective patent protection incentivises R&D while enabling structured collaboration through licensing.

However, because V2X relies heavily on standardised technologies, a significant share of patents qualify as SEPs, which must be licensed on fair, reasonable, and non-discriminatory (FRAND) terms – creating a complex legal and commercial environment for implementers.

The V2X patent landscape is divided broadly between telecommunications companies and automotive manufacturers. Technology companies – Qualcomm, Huawei, LG, Samsung, Xiaomi, and ZTE – hold extensive portfolios concentrated in cellular communication and SEPs, with Qualcomm a notable leader in filing volume. Automotive companies – including Toyota, Hyundai, Ford, General Motors, Bosch, Denso, and Panasonic – hold significant patents in vehicle systems integration and application-specific innovations.

While automakers generally hold fewer SEPs, they are central to implementation and commercialisation. This division reflects a broader dynamic: telecommunications expertise drives connectivity standards, while automotive expertise drives deployment.

SEP licensing is unavoidable in V2X: compliance with standardised communication technologies is a prerequisite for interoperability and large-scale deployment. Patent pools such as Avanci and Sisvel have emerged to streamline access, offering bundled licensing intended to reduce transaction costs and provide greater certainty for automotive original equipment manufacturers (OEMs).

However, the automotive context presents distinctive challenges. Vehicles have long product life cycles, complex multi-tier supply chains, and lower margins than consumer electronics – making the determination of appropriate royalty structures and licensing points a persistent subject of litigation and commercial dispute.

Global V2X patent filings have grown rapidly over the past decade, closely tracking the expansion of 4G and 5G technologies. China has emerged as the leading jurisdiction by filing volume, driven by national strategies focused on intelligent transportation systems and autonomous mobility. The US maintains a strong position in high-value patents, particularly SEPs in cellular communication. Europe, Japan, and South Korea contribute significantly, reflecting their established automotive and telecommunications industries.

India is an emerging but increasingly active participant in the global V2X landscape. As of early 2026, the Indian patent office portal shows over 150,000 V2X-related applications – a figure that spans domestic and international filings across communication protocols, infrastructure integration, autonomous driving, and advanced safety systems. Communication technologies feature prominently, appearing in 61% of applications, with 2024 standing out as a peak year for filing volume and technological diversification.

The majority of current Indian V2X patents focus on C-V2X, aligned with the country's aggressive 5G roll-out. Application-level priorities reflect local conditions: collision avoidance, real-time traffic information, emergency vehicle detection, smart traffic signals, intelligent intersections, and V2P communication are among the most active areas. A niche segment is also emerging around V2X security and certification systems, addressing data integrity concerns in connected vehicle environments.

The breadth of innovation coming through Indian filings is illustrated by the nature of applications encountered in prosecution. One recent application discloses a method by which two devices in a wireless network collaboratively configure discontinuous reception (DRX), a power-saving feature whereby devices wake at regular intervals to check for incoming data rather than remaining continuously active.

In a V2X context, where vehicles and roadside infrastructure must exchange safety-critical messages in real time, efficient power management is not a peripheral concern but a system design imperative. DRX allows devices to conserve battery life without missing time-sensitive communications – a balance that becomes increasingly important as V2X expands beyond passenger vehicles into infrastructure nodes and IoT-connected road assets. Government agencies such as the Centre for Development of Telematics are actively supporting domestic innovation and local manufacturing of V2X-capable modules and chipsets, while a visible shift towards smart infrastructure integration reflects alignment with national smart city initiatives.

India’s transportation environment – characterised by high traffic density, mixed road usage, and varied infrastructure – creates both distinct challenges and genuine opportunities for V2X deployment. Spectrum allocation, infrastructure investment, standardisation, and regulatory clarity remain key hurdles. On the enabling side, expanding 5G networks, government support for connected mobility, and growing road safety awareness provide a favourable backdrop.

The domestic ecosystem is developing on multiple fronts. Telecom operators – Airtel, Reliance Jio, and Vodafone Idea – are investing in C-V2X development to complement national 5G deployment. Automotive manufacturers including Maruti Suzuki, Mahindra & Mahindra, and Tata are funding R&D in connected and autonomous systems, increasingly through collaborations with telecom companies and academic institutions.

A landmark example came in May 2022, when Suzuki Motor Corporation, Maruti Suzuki, and IIT-Hyderabad jointly demonstrated India’s first V2X communication research prototype. Qualcomm’s Snapdragon Digital Chassis platform, deployed in Mahindra’s electric SUVs, further illustrates how global technology partnerships are shaping domestic implementation. Potential integration of V2X features into the Bharat New Car Assessment Program safety framework could provide an additional policy lever for accelerating adoption.

The trajectory of V2X is increasingly being shaped by regulatory action, and recent developments signal that deployment timelines are compressing.

In January 2026, the government of India announced its intention to mandate V2V communication in all new passenger cars and commercial vehicles, with a stated objective of nationwide deployment by the end of 2026. The policy targets an approximately 80% reduction in road accidents – a figure reflecting V2V’s potential in conditions where human reaction times are most constrained, such as dense fog or poor visibility. To support roll-out, 30 MHz of spectrum has been allocated specifically for V2V safety alerts, and new vehicles will be required to carry devices broadcasting real-time speed, location, and braking data via short-range communication – deliberately independent of mobile network coverage to ensure operability in areas without cellular service.

Internationally, comparable momentum is building through different policy instruments. The US Department of Transportation is progressing its National V2X Deployment Plan, targeting V2X enablement across 20% of the National Highway System and 25% of major metropolitan intersections by 2028 – without a universal vehicle mandate but with significant infrastructure investment. In the EU, the General Safety Regulation requires all new vehicles to carry advanced driver distraction warning systems from July 2026, while the EU Data Act will introduce mandatory vehicle data-sharing obligations from September 2026, further embedding V2X-adjacent requirements into the regulatory baseline.

Taken together, these developments confirm that V2X is moving from a technology in development to one with firm policy timelines in the world’s major automotive markets.

For technology developers, the implication is that the window for establishing patent position ahead of mandatory deployment is narrowing. For automotive OEMs, SEP exposure will become a live commercial issue – not a future contingency – as mandates approach. And for regulators and policymakers, the coordination challenges around spectrum, standards, and cross-border interoperability will define whether the safety benefits of V2X are realised at scale or remain unevenly distributed. V2X is not an incremental advancement in vehicle technology; it is a foundational infrastructure layer for the next generation of connected and autonomous transport.