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American Journal of  Smart 
Technology and Solutions (AJSTS)

Role of  Autonomous Systems in Overcoming Maritime Communication Bottlenecks 
through Quantum Computing and 6G Technologies

Tunde Olamide Ogundare1, Abraham Peter Anyebe2, Folami Ola-Oluwa Alao3, Idoko Peter Idoko4*, Idoko Innocent Odeh5

Volume 4 Issue 2, Year 2025
ISSN: 2837-0295 (Online)

DOI: https://doi.org/10.54536/ajsts.v4i2.4208
https://journals.e-palli.com/home/index.php/ajsts

Article Information ABSTRACT

Received: December 12, 2024

Accepted: January 14, 2025

Published: July 03, 2025

Marine communication systems have been grappling with obstacles for a while now. Issues 
like restricted weak connectivity, are common problems in far-off  oceanic areas where 
delays are high, and reliability is a concern too. These challenges hinder the functioning 
of  contemporary marine systems that heavily depend on swift and continuous data 
transfer for instant decision-making and navigation accuracy. Cutting-edge innovations, 
like quantum computing and the generation of  wireless networks, offer hope to transform 
marine communication by offering sophisticated solutions to these barriers. This analysis 
delves into how autonomous systems are used in activities and looks into the ways quantum 
computing and 6th generation technologies can help alleviate communication challenges in 
that field. Quantum computing brings data processing and encryption features, to the table 
while 6th generation technology provides low latency and high speed connectivity crucial 
for seamless real time operations of  autonomous systems. The document emphasizes the 
potential between these technologies and talks about how they could lead to an effective 
and safe communication network, for maritime purposes. Moreover talking about the 
difficulties and how to blend quantum and 6th generation technologies, in settings has 
been emphasized in the review as well as discussing future research paths that could be 
taken in this area of  study. By tackling these challenges it is believed that the maritime 
sector could make strides forward in enhancing the performance of  autonomous systems 
leading to safer and more effective worldwide maritime activities. 

Keywords
Autonomous Systems, Bottlenecks, 
Maritime Communication, 
Quantum Computing, 6G 
Technologies

1 Department of  Nautical Science, Liver John Moores University, United Kingdom
2 Department of  Navigation and Direction, Nigerian Navy Naval Unit, Abuja, Nigeria
3 School of  Social Sciences, University of  KwaZulu-Natal, Durban, South Africa
4 Department of  Electrical/Electronic Engineering, College of  Technology, University of  Ibadan, Nigeria
5 Professional Services Department Layer3 Ltd, Gwani Street, Wuse Zone 4, Abuja, Nigeria
* Corresponding author’s e-mail: aidoko4j@gmail.com

INTRODUCTION
Background of  Maritime Communication Challenges
Communication at sea has always faced challenges like 
delays and low connection strength due to the vastness 
of  the ocean and unpredictable weather conditions, 
quite different from communication on land which uses 
satellites and radio waves to transmit data smoothly but 
struggles with consistent signals over long distances or 
during rough weather periods as signals can be delayed 
by as much, as half  a second and might even drop up 
to 40 percent in severe storms or when atmospheric 
disturbances occur. The constraints pose a challenge for 
self-operating systems since data transfer is vital for their 
navigation and decision-making functions. 
Figure 1 shows a network of  the Maritime Internet of  
Things (IoMT) connecting drones (unmanned aerial 
vehicles) surface vessels, like fishing boats and cargo ships 
as well as underwater vehicles (Unmanned Underwater 
Vehicles. UUVs). The information gathered is sent 
across platforms to a Shore BS Data Fusion” unit, on 
the ground for analysis and processing. Different types 
of  communication are displayed using links. Green lines 
indicate participants, in AirComp transferring model 
weights. Red lines show non participants transmitting 

model weights. Blue lines represent connections sending 
data to surface vessels (USVs). This network links 
technologies to consolidate data effectively and monitor 
activities.
One of  the causes of  these traffic jams is the dependency 
on fashioned networking systems that are not designed 
for long-distance communication over the seas or oceans. 
Delay Tolerant Networks (DTNs) have been identified as 
a solution to tackle these challenges. Research has shown 
that DTNs have the potential to significantly enhance the 
delivery rates of  data packets from one end to another 
by as 35% in marine environments when compared 
to traditional routing methods. This advancement is 
especially valuable, for self-systems that rely on smooth 
and dependable communication links to carry out tasks 
across vast distances. 
Network inefficiencies and the challenges posed by the 
environment like signal degradation, from paths and 
interference from other vessels and communication 
systems are obstacles to current communication 
technologies performance and emphasize the importance 
of  advanced solutions such, as 6th generation networks 
and quantum computing to tackle these limitations.



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Emerging Technologies in Maritime Communication
The incorporation of  cutting-edge technologies, like 
quantum computing and 6th generation connectivity 
is poised to transform communication in the realm of  
autonomous operations Quantum computing offers a 
unique capability to handle extensive data sets concurrently 
and represents a notable advancement compared to 
traditional computing methods when it comes to 
handling the substantial data loads produced by maritime 
systems. Quantum algorithms have the ability to carry 
out calculations at faster speeds, than traditional methods 
allow for real time processing of  navigation information 
in remote regions where conventional techniques face 
challenges in keeping up with demands such, as weather 
forecasts and communication connections. 

Figure 2 illustrates a network of  communication that 
incorporates deep sea operations along, with shore and 
land based systems working together seamlessly.
In the sea region both autonomous vessels and traditional 
ships are connected to a balloon and an unmanned aerial 
vehicle (UAV) facilitating data transmission efficiently. 
Moving closer to the shore vessels like ODAS buoys 
interact with a UAV. Establish connections to shore 
stations through designated green and red communication 
channels. On land a shore station along, with a UAV 
station and other essential infrastructure collaborate to 
manage and relay data effectively. The picture shows 
the collaborative effort of  surveillance systems, with sea 
and land based counterparts to efficiently oversee and 
regulate areas.

Figure 1: Multi-Layer Internet of  Maritime Things (IoMT) Network for Integrated Data Fusion and Communication 
(Höyhtyä et al., 2017)

Figure 2: Integrated Maritime Monitoring Network for Deep-Sea and Near-Shore Communication (Huo et al., 2020)



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Am. J. Smart. Technol. Solutions 4(2) 1-12, 2025

Quantum computing and the advancement of  
6th generation technology are set to revolutionize 
communication networks, with lightning speeds and 
minimal delays. Surpassing 5th generation technology 
by up to 100 times and achieving latency low as one 
millisecond. This enhanced communication capacity is 
vital for systems as it enables instant decision making in 
real time scenarios and seamless data transfer, for system 
synchronization. Ensuring communication, between 
vessels and control centers or other autonomous units 
across vast oceanic distances, through the real time 
transmission of  high resolution sensor data is crucial to 
avoid any delays or loss of  data. 
These advancements also bring about enhancements, 
in network security and privacy measures. Quantum 
computing plays a role in creating encryption protocols 
that safeguard communication between autonomous 
ships and control systems from cyber threats. The 
integration of  quantum technologies, with 6th generation 
infrastructure is anticipated to improve security systems 
when managing critical navigation and operational data 
within worldwide maritime networks. 
Table 1 presents a range of  technologies and their 
functions, in communication systems and autonomous 
operations along with examples. It showcases Quantum 
Computing for navigation and data processing needs; 
6th Generation Networks for efficient data transfer 
within marine settings; as well as the integration of  
Quantum and 6th Generation technologies to enhance 
the performance of  autonomous systems. Moreover, 
it underscores the importance of  Security Upgrades to 
safeguard communication, through encryption techniques 
and Real Time Applications for ensuring dependable data 
exchange during unmanned vessel activities. Every tech 
advancement plays a role, in enhancing the efficiency 
and safety of  operations while also fostering better 
communication among systems, on the sea. 

Objective and Scope of  the Review
The main goal of  this review is to investigate how 
autonomous systems can help tackle communication 
difficulties in settings by combining quantum computing 
with 6G technologies. Maritime sectors encounter hurdles 
such, as communication lags and bandwidth constraints 
in oceanic areas where land based communication 
networks are absent or inconsistent. This study aims 
to explore the potential of  technologies, like quantum 
computing and 6th generation networks in tackling these 
challenges through processing power reduced delays 
in communication and stronger security measures, in 
protocols. 
The scope of  this review encompasses three key 
technological areas:

Autonomous Systems
The role of  unmanned maritime vehicles (e.g., 

autonomous ships, drones) in maritime operations and 
how they rely on robust communication networks for 
navigation, control, and data exchange.

Quantum Computing
The potential of  quantum technologies to transform 
data processing, encryption, and optimization in 
communication systems, specifically focusing on their 
applications in maritime environments.

6G Networks
The next generation of  wireless communication networks, 
which promise ultra-low latency, higher bandwidth, 
and improved security, and their role in supporting 
autonomous systems over vast oceanic distances.
This review aims to assess how these technologies can 
work together to resolve long-standing communication 
issues in maritime settings, ensuring more efficient and 
secure operations.

Autonomous Systems in Maritime Environments
Definition and Scope of  Autonomous Maritime 
Systems
Autonomous maritime systems (AMS) which encompass 
a range of  vessels, like Autonomous Surface Vehicles 
(ASVs) and Autonomous Underwater Vehicles (AUVs) 
are created to carry out tasks without direct human 
involvement using advanced sensors and technology 
such, as artificial intelligence (AI). These systems can 
navigate autonomously in challenging conditions to 
gather information and execute missions efficiently 
with the aim of  boosting efficiency and safety while 
minimizing human errors in maritime tasks. 
Figure 3 showcases the vision of  creating a self-sustaining 
environment by showcasing the role of  digital and smart 
technologies, in maritime activities. It stresses that 96 
percent of  incidents result from human mistakes and 
proposes that automation can greatly improve safety 
standards.The visual representation highlights that 
only a small portion (3%) of  data is utilized effectively 
for tasks stressing the importance of  optimizing data 
application in making informed decisions. When 
advanced digital technologies are utilized onboard ships 
for making decisions, on navigation control and logistics 
management without intervention when it comes to 
port operations as well as routes taken by vessels at sea 
is enabled too. 
The report also highlights the impact of  labor costs 
on container ship expenses accounting for a 44% 
underscoring the necessity for automation to enhance 
operational efficiency and cut down overall expenses. 
Initiatives such as GEs SeaStream Insight demonstrate 
the potential for reducing costs by up to 20% paving 
the way towards achieving maritime operations and 
presenting promising prospects, for the industrys 
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Autonomous maritime systems have a scope of  uses 
ranging from transporting cargo to monitoring the 
environment and conducting operations at sea or, in 
busy shipping lanes where they can make decisions 
independently thanks, to advanced support systems. 
Rødseth and colleagues (2022), along with Idoko and 
others in 2024 proposed a categorization framework 
for self  navigating ships that differentiates between “ 
autonomy “ encompassed by ships functioning without 
human intervention and “limited autonomy,” where 
human supervision is still required to some extent.This 
system of  classification aids in grasping the varying 
degrees of  automation within setups. From remote 
controlled functions, to advanced self-governing and 
smart vessels. 
The advantages of  Automated Marine Systems (AMS) are 
clear, in their capacity to work continuously without breaks 
which lowers expenses and prevents worker exhaustion 
effectively. The added advantage is their capability to 
adjust to data and adjust to different circumstances based 
in real time. The use of  AMS has already shown a decrease 
of  15 percent in fuel usage thanks to the navigation paths 
and research predicts that embracing shipping worldwide 
could cut down maritime operational expenses by as much, 
as 20 percent by the year 2035. 
Autonomous systems play a role, in ensuring safety by 

reducing the chances of  human errors that are responsible 
for almost 75% of  marine accidents according to Martelli 
and colleagues in a recent study (2022). They highlight 
that upcoming maritime traffic management systems will 
heavily depend on the coordination between vessels and 
AI powered navigation aids along, with control facilities 
to enhance safety by averting collisions and optimizing 
traffic flow. 
Table 1 offers a summary of  Autonomous Maritime 
Systems (AMS) detailing what they are and their main 
characteristics, like applications and advantages. AMS 
refer to systems that combine ships such as Autonomous 
Surface Vehicles (ASVs) and Autonomous Underwater 
Vehicles (AUVs) to carry out duties without direct 
human intervention. They utilize sensors along with AI 
and machine learning technologies. The applications 
of  these systems range, from transporting goods to 
monitoring the environment and supporting activities. 
The chart also differentiates autonomy levels; ranging 
from autonomy, without human involvement to limited 
autonomy that necessitates human supervision oversight. 
Notable advantages comprise heightened efficiency 
leading to cost reduction and enhanced safety measures 
when autonomous maritime systems minimize errors, 
by humans and optimize fuel usage while backing 
forthcoming traffic control systems.

Figure 3: Advancing Towards an Autonomous Marine Ecosystem: Key Insights and Benefits (Offshore Source 2024)

Table 1: Overview of  Autonomous Maritime Systems: Definition, Scope, Applications, and Benefits
Aspect Description Key Features Applications Benefits

D
efi

ni
tio

n

Autonomous maritime systems 
(AMS) integrate autonomous 
vessels such as ASVs and 
AUVs to perform tasks 
without human intervention.

Advanced sensors, 
AI, machine learning, 
autonomous 
navigation, data 
collection.

Cargo 
transportation, 
environmental 
monitoring, naval 
operations.

Reduces human 
errors, improves 
safety and 
operational 
efficiency.



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Sc
op

e
AMS cover a broad range of  
maritime operations, from 
cargo transport to complex 
missions in unpredictable 
environments.

Fully autonomous and 
constrained autonomy 
classifications 
(Rødseth et al., 2022).

Operating 
independently in 
high seas, navigating 
busy shipping lanes.

Enhances safety, 
enables independent 
operation even 
in challenging 
conditions.

A
ut

on
om

y 
C

la
ss

ifi
ca

tio
ns

"Full autonomy" (no human 
input) vs. "Constrained 
autonomy" (some human 
oversight necessary).

Levels of  automation 
from remote-
controlled to fully 
autonomous systems.

Useful in various 
operational 
contexts, from basic 
control to complex 
autonomous 
decision-making.

Helps in determining 
the level of  
automation needed 
based on the 
mission.

O
pe

ra
tio

na
l 

E
ffi

ci
en

cy

AMS operate continuously, 
reducing fuel consumption and 
costs.

Real-time data 
response, optimized 
navigation routes, 
15% reduction in fuel 
use.

Global adoption 
could reduce 
maritime operational 
costs by 20% by 
2035.

Cuts operational 
costs, reduces human 
fatigue, increases 
productivity.

Sa
fe

ty
 

C
on

tri
bu

tio
n

AMS enhance maritime safety 
by minimizing human error, 
which accounts for 75% of  
marine accidents.

AI-driven navigation, 
shore-based control 
centers, future traffic 
management reliant 
on autonomous ships 
(Martelli et al.).

Collision prevention, 
improved traffic 
flow, safer navigation 
systems.

Reduces accidents, 
improves traffic 
management, 
and ensures safer 
navigation and 
operations.

Communication Requirements for Autonomous 
Systems
Autonomous marine systems (AMS), like Autonomous 
Surface Vehicles (ASVs) and Autonomous Underwater 
Vehicles (AUVs) depend on dependable communication 
networks for navigation control and sharing of  
information smoothly and effectively in real time 
situations The key necessity for these systems is to establish 
communication with control centers as well as other ships 
to guarantee operational safety and seamless coordination 
In the isolated settings of  marine environments satellite 
connected communication systems along with advancing 
5th generation technologies are crucial, in assisting these 
independent systems. 
In Figure 4 displayed is the diagram of  a self  driving 
navigation setup that showcases the parts and how they 

work together for charting paths and steering clear of  
obstacles. It kicks off  with data gathered from sensors, 
like cameras GPS devices, IMUs, encoders and network 
links used for self  positioning. The perception unit 
analyzes sensor data to grasp the surroundings and sends 
details to the planner that charts out an overarching path. 
The waypoint position selection unit fine tunes this path 
to guide the planner. The obstacle detection functions, in 
coordination with these elements by spotting obstacles 
in time and then adjusting the route to avoid collisions 
accordingly. The local planner and collision avoidance 
systems feed information to the motion control unit 
which carries out the required movements to steer the 
self  driving vehicle or robot towards its destination, for 
secure navigation.

Figure 4: Autonomous Navigation System Flowchart for Path Planning and Obstacle Avoidance

Ensuring dependable and affordable satellite 
communication services to enable data exchange, between 
ships and shore based centers stands as a significant 

hurdle in the maritime industry today essential for safety 
during operations and quick decision making during 
emergencies according to Ait Allal et al., 2020 suggests 



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that the integration of  5G technology is gaining traction 
as a viable solution to enhance communication networks 
for traditional and autonomous vessels alike offering 
rapid data transmission speeds and minimal delays crucial 
for real time tasks, at sea. 
Moreover，Kang and Park (2019) discuss the importance 
of  developing communication protocols for settings 

that meet unique needs．They suggest technologies, 
like S 2 X， in function to the V 2 X system in vehicle 
communication， as a means of  aiding ships． However， 
innovation in maritime communication has not kept 
pace with progress, in land vehicle systems despite 
acknowledging the value of  these technologies．

Figure 5: Key Communication Components for Autonomous Maritime Systems

Additionally, it poses difficulties to maintain a connection, 
during harsh weather conditions and across vast distances 
Namgung (2023); Idoko et al., 2024 emphasize the 
necessity of  having ample frequency bandwidth for 
Control and Non-Payload Communications (CNPC) to 
ensure the safe functioning and navigation of  Maritime 
Autonomous Surface Ships (MASS). Utilizing satellite 
communication systems has been crucial in this regard as 
they offer the bandwidth and dependability for enabling 
instant communication, in maritime settings. 

Impact of  Communication Bottlenecks on 
Autonomous Operations
Communication obstacles pose a hurdle, in ensuring the 
functioning of  self  sailing maritime systems.. Unstable 
or inconsistent communication channels can hamper the 
efficiency of  systems by causing delays and lowering their 
decision making abilities.. In the most severe cases could 
even result in maritime mishaps.. A key issue revolves 
around the breakdown of  communication links, between 
the control hub and autonomous ships..
When there are interruptions, in communication 
channels with systems in place of  oversight and decision 
making capabilities in real time scenarios may not adapt 
appropriately to changing circumstances. This can 
elevate the chances of  operational setbacks occurring 
unexpectedly. According to studies by Brito and 
colleagues in 2014 and recent research, by Idoko et al., 
2024 losing communication links can result in inaccurate 
problem diagnoses as people often tend to accept initial 
theories without delving deep into investigations; this 
subsequently makes the recovery process even more 
challenging following such events. 
The underwater world brings an added challenge, to 
how autonomous systems communicate. When it comes 
to coordinating teams of  marine robots where there’s 

limited bandwidth and delays in transmission time can 
have a significant impact, on their operations efficiency 
and performance as a whole according to research studies 
(Arrichiello et al. 2009).Especially when theres no sharing 
of, up to the minute data happening in time hinders 
navigation capabilities for self-navigating ships to decide 
effectively in crucial situations, like maneuvering around 
obstacles or changing course accordingly. 
In order to address these obstacles effectively and improve 
communication speed, between ships and control centers 
on land in real time scenarios is by introducing generation 
(5g) networks as a potential solution proposed by Ait 
Allal et al., (2020) and Idoko et al., 2024.. The utilization 
of  5g technology is said to decrease latency to, under 
one millisecond and enhance data transfer speeds up 
to a hundredfold compared to existing communication 
systems. This measure would guarantee an trustworthy 
transfer of  information, for upholding the safety and 
performance effectiveness of  self-operating systems..
In Table 2 summarizing the obstacles, in communication 
for maritime operations reveals five significant 
hurdles encountered - from lost communications with 
autonomous systems to underwater bandwidth and 
latency problems to diminished decision making abilities 
and coordination issues for marine robots – along with 
the proposed remedy of  utilizing 5G networks as a 
solution option for these challenges that impact system 
performance negatively leading to delays in operations 
and heightened risks of  accidents along, with decreased 
overall system efficiency. To tackle these challenges 
effectively suggested solutions involve enhancing tools; 
creating underwater communication technologies, with 
greater bandwidth; refining coordination algorithms; and 
integrating 5th generation networks that facilitate instant 
data sharing, with minimal delays to boost safety and 
productivity at the same time. 



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The implementation of  4g Network provides data 
transfer within a time frame of, than 1 millisecond which 
results in better safety and efficiency levels, in operations. 
It leads to safety standards and operational effectiveness 
by enabling more dependable transmission of  data. The 
wide usage of  4g networks is being seen in activities 
according to Ait Allal et al.s research conducted in 2020. 

Quantum Computing: A Paradigm Shift in Maritime 
Communication
Introduction to Quantum Computing in 
Communication Systems
Quantum computing is a method, for handling and 
transmitting information that has implications for 
maritime systems advancement. The power of  quantum 
technologies lies in their capacity to carry out calculations 
at speeds surpassing those of  systems. Techniques like 
quantum distribution (QKD) provide communication 
pathways that are extremely difficult to intercept—a crucial 
development, for safeguarding the privacy and security of  
maritime communications. In their 2015 study Uhlmann 
and colleagues point out the potential of  using QKD 
protocols like the BB84 protocol, for communications. 
This approach could address the challenges faced by 
encryption methods in terms of  bandwidth and latency 
in settings. These developments have the potential to 
improve the security of  communication networks for 
vessels solidifying data exchange protocols, at sea. 
Quantum communication, in the sector also plays a role in 
improving communication networks to be more effective 
and dependable. Devitt and colleagues (2014) along with 
Idoko and Ijiga (2024) delved into the idea of  using error 
corrected quantum memories housed in cargo containers, 
on ships to enhance quantum communications with delays 
and maximum accuracy over distances. These quantum 
setups might run with capacity, than traditional repeater 

dependent setups do and offer a worldwide network for 
maritime activities with versatile connections throughout 
regional networks! These advancements hold the potential 
for enhancements in data transmission speeds for instant 
communication, in the maritime field encompassin’ fleet 
organizing’ navigation’ and freight oversight. 
Additionally and significantly quantum communication 
technologies have the potential to be crucial, in facilitating 
communication both within line of  sight and outside of  
line of  sight in underwater communication channels as 
well. As per a study by Tarantino and colleagues (2020) 
quantum communication protocols have the capability to 
be adjusted for settings where there is limited bandwidth. 
This adaptation can enhance the quality and dependability 
of  transmitting information between underwater vessels. 
This aspect holds significance for underwater vehicles 
(AUVs) that rely on continuous communication, for 
navigation and operational functions.

Applications of  Quantum Computing in Maritime 
Communication
Quantum computing has promise, in revolutionizing 
communication by providing new solutions to enhance 
security and the efficiency of  data transmission processes. 
An important area where this technology can be applied 
is in quantum cryptography, through the implementation 
of  quantum distribution (QKD) protocols. These 
protocols enable the exchange of  encryption keys using 
quantum particles to establish communication channels 
(Tarantino et al., 2022; Amir et al 2024).In a study, from 
2020 that delved into using QKD in settings was able to 
show its effectiveness for ensuring communication below 
the waters surface where standard encryption techniques 
might be at risk due to external interference and limited 
data capacity issues of  traditional methods Their findings 
highlight the robust security features of  QKD making it 

Table 2: Communication Bottlenecks and Solutions for Autonomous Maritime Systems
Communication 
Bottleneck

Impact on Operations Consequence Proposed Solution References

Loss of  
Communication 
with Autonomous 
Systems

Increased unreliability 
and misdiagnosis of  
root causes, leading to 
operational failures.

Delayed recovery and 
increased risk of  failure 
during missions.

Improved diagnostics 
and communication 
protocols.

Brito et al. 
(2014)

Underwater 
Bandwidth and 
Latency Issues

Limited bandwidth and 
high latency reduce 
system performance by 
up to 25%.

Reduced system 
efficiency and increased 
delays in communication 
between vehicles.

Development of  higher 
bandwidth underwater 
communication 
technologies.

Arrichiello 
et al. (2009)

Reduced Decision-
Making Capability

Autonomous vessels 
struggle to make 
informed real-time 
decisions, increasing 
accident risks.

Higher likelihood of  
navigation errors or 
accidents due to lack of  
real-time data.

Implementation of  
faster communication 
networks like 5G.

Brito et al. 
(2014)

Coordination 
Challenges for 
Marine Robots

Inefficient control 
operations, leading 
to mission delays and 
reduced coordination.

Compromised mission 
outcomes, delays in 
navigation adjustments.

Enhanced coordination 
algorithms and 
communication 
strategies.

Arrichiello 
et al. (2009)



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crucial for various applications in marine environments 
such, as scientific research industrial operations and 
military activities 
One significant use of  quantum computing, in 
communication involves upgrading maritime signal 
flag systems through quantum technologies to enhance 
efficiency and security of  ship to ship communication 
methods as suggested by Plesa (2019). This advancement 
aims to simplify communication procedures and improve 
safety measures during voyages, at sea by minimizing 
confusion and enhancing safety measures significantly. 
In Table 3 of  the report are uses of  quantum computing, 
in communication that show how it can greatly improve 
security measures and transmission efficiency for better 
communication at sea. Among these applications is 

Quantum Key Distribution (QKD) which secures 
communication channels by using quantum particles to 
ensure underwater communications in scientific research as 
well, as industrial and military settings. Enhancing maritime 
signal flag systems, with quantum communication schemes 
can boost communication efficiency and security between 
ships while minimizing risks and guarding against cyber 
threats is another way to apply this technology effectively 
on the seas. Moreover quantum memories stored on ships 
support long distance communication with fidelity allowing 
real time data transmission among vessels, control centers 
and satellite networks for fleet coordination and maritime 
traffic management. These developments highlight the 
influence of  quantum technologies, on communication 
enhancing its security and dependability significantly.

Table 3: Key Applications of  Quantum Computing in Enhancing Maritime Communication
Application Description References
Quantum Key 
Distribution 
(QKD)

QKD ensures highly secure communication channels using quantum 
particles. It has been explored for underwater communication, providing 
near-impervious security, especially in scientific, industrial, and military 
maritime settings.

Tarantino et al. 
(2020)

Enhanced 
Maritime Signal 
Flag Systems

Quantum communication schemes improve efficiency and security of  signal 
flag systems used between ships, enhancing operational safety and reducing 
misunderstandings. Quantum technologies also offer protection against 
cyber threats.

Plesa (2019)

Long-Distance, 
High-Fidelity 
Communication

Error-corrected quantum memories stored on ships allow low-latency, 
high-fidelity data transmission across vast distances. This supports real-time 
communication between vessels, control centers, and satellite networks, 
aiding in fleet coordination and maritime traffic management.

Devitt et al. 
(2014)

Quantum computing also has an impact, on long distance 
communication with accuracy levels involved in the 
process as well as reliability of  the information transmitted 
between parties that are far apart from each other. The 
research by Devitt et al (2014) focused on examining how 
storing quantum memories on ships could facilitate the 
establishment of  networks, for quantum communication. 
According to their study results utilizing error corrected 
quantum memories could potentially lead to fast and 
accurate data transmission across distances without 
being limited by the constraints faced by systems. This 
advancement has the potential to facilitate interaction, 
among ships at sea and headquarters well as satellite 
systems—a critical component, for organizing extensive 
fleets and overseeing worldwide maritime activities. 

Challenges and Limitations of  Quantum Computing 
in Maritime Communication
Quantum computing brings progress to communication; 
however it faces obstacles when being implemented into 
actual maritime systems.These challenges mainly stem 
from quantum decoherence—a term that indicates the 
loss of  quantum information, due to influences.This 
issue becomes prominent in settings where quantum 
particles interact with the changing attributes of  the sea, 
like temperature variations and salinity.These interactions 
introduce disturbances into quantum communication 

pathways leading to decreased accuracy and dependability 
(Tarantino et al., 2020). Ensuring that quantum states 
stay stable across distances continues to be a challenge, 
in implementing quantum computing effectively within 
worldwide maritime networks. 
Furthermore the infrastructure needs for quantum 
communication are quite large compared to networks. 
Quantum communication demands the creation of  
infrastructure, like quantum repeaters to increase 
the reach of  quantum signals. Devitt and colleagues 
noted in 2014 that these systems are still, in the stages 
of  development and implementing them globally for 
communication would pose significant logistical and 
financial hurdles. The expensive nature of  quantum 
hardware and error corrected quantum memories hinders 
the use of  these technologies away. Furthermore fitting 
quantum communication systems, on ships might pose 
challenges due, to space and energy needs.
Security remains an issue, in quantum communication 
networks with the promise of  strong security through 
quantum key distribution (QKD). Concerns persist 
about vulnerabilities to quantum hacking techniques like 
photon number splitting attacks as noted by Uhlmann 
et al., 2015 and others (Idoko et al., 2024 and Ijiga et al., 
2024; Yasamineh et al 2024; Forood et al 2024; Jenčaet al 
2024). These risks highlight the importance of  research 
to enhance the effectiveness and resilience of  quantum 



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security protocols for sectors such, as military and 
commercial maritime operations. 
In Table 4 of  the report are the obstacles and constraints 
linked to integrating quantum computing, into 
communication systems. A major difficulty is quantum 
decoherence. The deterioration of  quantum data due 
to elements like variations in temperature and salt 
content in environments. Resulting in less dependable 
communication.
Moreover the need for infrastructure poses a challenge 
as quantum communication necessitates specialized 

equipment like quantum repeaters that are currently, 
under development stages. Expanding these systems 
worldwide presents challenges in terms of  logistics and 
finances since quantum hardware is expensive and there 
are limitations related to space and power availability, 
on ships or boats as security concerns that persist even 
with the advanced security offered by quantum key 
distribution (QKD) like vulnerabilities such, as photon 
number splitting attacks still being present; further 
research is required to create stronger quantum security 
measures especially for important maritime uses.

Table 4: Challenges and Limitations in Implementing Quantum Computing for Maritime Communication
Challenge Description References
Quantum 
Decoherence

Quantum decoherence refers to the loss of  quantum information due to 
environmental factors, such as temperature fluctuations and salinity in the 
maritime environment. These interactions introduce noise, reducing the 
reliability and fidelity of  quantum communication.

Tarantino et al. 
(2020)

Infrastructure 
Requirements

Quantum communication requires specialized infrastructure, such as 
quantum repeaters, which are in early development. Deploying these on a 
global maritime scale involves significant logistical and financial challenges, 
with high costs for quantum hardware and issues related to space constraints 
and power requirements on vessels.

Devitt et al. 
(2014)

Security 
Concerns

Despite promising strong security with quantum key distribution (QKD), 
vulnerabilities like photon-number-splitting attacks pose risks. Ongoing 
research is required to enhance resilience and robustness, particularly for 
critical applications like military and commercial maritime operations.

Uhlmann et al. 
(2015)

Given the groundbreaking possibilities of  quantum 
computing, in settings it is essential to address technical 
obstacles such, as quantum decoherence, infrastructure 
advancement and security issues in order to seamlessly 
incorporate quantum communication systems effectively. 

6G Technologies and Their Role in Maritime 
Communication
Overview of  6G: Capabilities and Specifications
The upcoming 6th generation (6G) technology is set to 
revolutionize maritime communication by addressing 
the limitations of  5G and introducing advanced features 
tailored for oceanic environments. A key innovation 
is the integration of  unmanned surface vessels (USVs) 
into communication networks, significantly enhancing 
coverage and reliability over vast seas. USVs act as 
mobile base stations, improving connectivity through 
real-time information exchange, as highlighted by 
Wang et al. (2022). Additionally, advancements such as 
Smart Reflective Panels (SRPs) and Extensive Multiple 
Input Multiple Output (EMIMO) technologies will 
elevate communication performance in challenging 
marine conditions. These methods enable seamless 
data transmission even in environments where wave 
disruptions impact communication, as demonstrated by 
a cutting-edge 6G antenna setup providing uninterrupted 
coverage and weather updates (Johnson et al., 2022).
6G technology also supports a wide range of  Internet of  
Things (IoT) applications, crucial for autonomous ship 

operations. Rauniyar et al. (2023) and Idoko et al. (2024) 
emphasize the role of  6G in enabling self-navigating 
ships to operate with minimal human intervention 
through floating mobile base stations and advanced 
drone connectivity. This improved communication 
between ships and with shore facilities enhances 
navigation, environmental monitoring, and real-time data 
sharing, vital for efficient fleet management. Moreover, 
6G promises data transfer speeds 100 times faster than 
5G, with reduced delays and expanded bandwidth. These 
capabilities are essential for handling the data-intensive 
tasks of  autonomous ships, including real-time route 
optimization and fleet coordination. By facilitating faster, 
more reliable, and secure communication, 6G technology 
is poised to transform maritime operations, ensuring 
safer and more efficient activities at sea.

Application of  6G in Autonomous Maritime Systems
The incorporation of  generation technology, into self  
navigating maritime systems holds the potential to 
transform communication functionalities and optimize 
real time activities greatly. A key area where 6th 
generation technology can make an impact in settings is 
by utilizing unmanned surface vessels (USVs), as mobile 
communication hubs. These USVs have the ability 
to serve as floating anchor points thereby enhancing 
network reach and communication efficiency in offshore 
areas. Wang and colleagues (2022) found that using USVs 
in 6th generation networks enables transfer of  amounts 



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of  information, among ships, control hubs and other 
sea based resources. This leads to connectivity for self  
sustaining activities in regions distant, from conventional 
land based networks. 
In the realm of  operations where quick decision making 
is key the 6th generation of  wireless technology (known 
as 6G) plays a vital role, with its ability to facilitate 
communication at incredibly low latency levels. This 
feature enables ships to exchange data with control 
centers instantly thanks to the ultra reliable and low 
latency communication (URLLC) provided by 6th gen 
networks. With latency as just 1 millisecond this cutting 
edge technology significantly enhances the responsiveness 
of  autonomous systems especially in tasks, like avoiding 
collisions navigating dynamically and effectively managing 
fleets in a coordinated manner. 
6th generation technology (6g) plays a role, in enhancing 
maritime systems by offering robust support for high 
speed data processing and communication needs. 
Autonomous ships. Analyze sensor data from radar 
systems and environmental monitoring tools. With 6g 
networks providing data speeds up to 100 times, than 5g 
networks autonomous systems can efficiently transmit this 
data for real time monitoring and adjustments ensuring 
navigation and operational control. The importance of  
this feature is essential, for the secure functioning of  self  
navigating ships in sea conditions as emphasized in the 
studies, by Wang et al., (2022) and Idoko et al. (2024).
The upcoming 5th generation technology is set to 
upgrade the communication setup, for systems by offering 
immediate access to high speed connectivity with minimal 
delays, in transmission times. These enhancements are 
expected to boost the dependability and effectiveness of  
activities which will result in safer and smoother shipping 
and navigation processes. 

Integration of  6G with Quantum Computing for 
Optimized Communication
The fusion of  6th generation technology with quantum 
computing is set to enhance the speed, security, and 
efficiency of  maritime communication. This integration 
combines 6G’s high-speed communication with quantum 
computing’s powerful data processing and encryption 
capabilities, making it ideal for data-intensive maritime 
operations. Quantum communication, through protocols 
like QKD, ensures secure transmission of  encryption keys 
using quantum particles, protecting sensitive activities 
such as unmanned surface vessels and underwater drones 
from external interference.
This combination also enables dynamic network 
optimization, allowing 6G systems to adapt to changes 
in oceanic conditions and ship movements, reducing 
downtimes and improving data transmission. Quantum 
algorithms integrated with 6G systems enhance route 
optimization for self-navigating ships, cutting travel time 
and fuel consumption by up to 20%.
With 6G’s speeds being 100 times faster than 5G, paired 
with quantum computing’s ability to process massive 

data streams, real-time fleet monitoring and management 
become feasible. These advancements streamline 
operations, boost navigation safety, and revolutionize 
maritime communication by providing faster, more 
secure, and efficient systems.

Future Directions and Conclusion
Current Gaps and Research Opportunities
Despite advancements in quantum computing and 6G 
technologies, significant challenges remain for their 
seamless integration into maritime communication 
systems. A key issue is the lack of  infrastructure, such 
as quantum repeaters, secure channels, and satellite 
links, which are still in developmental stages. Oceanic 
conditions, including temperature fluctuations, moisture, 
and turbulence, further complicate maintaining consistent 
quantum states and minimizing signal degradation. 
Developing robust quantum communication protocols 
tailored to maritime demands is essential. Additionally, 
current quantum algorithms are mostly theoretical, 
necessitating research into practical algorithms optimized 
for real-time data processing, navigation, and decision-
making in dynamic ocean environments.
The integration of  quantum computing with 6G networks 
holds immense potential, offering secure, efficient, and 
reliable maritime communication. However, researchers 
must design strategies to harmonize these technologies, 
ensuring they address real-world maritime challenges 
while enhancing security and operational performance.
5.2 Policy and Regulatory Considerations
The integration of  quantum computing and 6G 
technologies into communication systems presents 
both technical challenges and policy concerns. These 
technologies must operate within a framework of  global 
laws governing navigation and communication. The 
adoption of  advancements like quantum encryption 
and rapid 6G networks will require updates to existing 
regulations to ensure compliance and interoperability. A key 
policy focus is establishing standardized communication 
protocols, as quantum and 6G innovations reshape global 
operations. Such standards are essential for seamless 
connectivity between ships, ports, and control centers 
worldwide. Without unified protocols, communication 
gaps could compromise efficiency and security.
The rise of  quantum computing introduces encryption 
levels that may surpass current security measures. 
Regulators must address quantum-safe communication 
to protect sensitive information while adhering to privacy 
laws and data-sharing agreements, particularly for military, 
commercial, and governmental maritime operations. The 
progress and adoption of  quantum and 6G technologies, 
driven by a limited number of  countries, may create 
disparities in access. Policymakers must ensure equitable 
access while managing national security concerns. 
Collaborative efforts are crucial to avoid dominance by 
any single country, preventing power imbalances and 
conflicts of  interest.
Finally, deploying infrastructure like quantum 



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communication devices and 6G towers must consider 
environmental impacts. Global maritime regulations 
should ensure these advancements align with eco-friendly 
practices and existing environmental agreements to 
protect marine life and ecosystems.

CONCLUSION
The integration of  autonomous systems, quantum 
computing, and 6G technology can revolutionize 
maritime communication by addressing challenges like 
bandwidth limitations, delays, and connectivity in remote 
oceanic areas. Autonomous technologies, such as ships 
and underwater drones, rely on robust communication 
infrastructures to function effectively, and these 
advancements significantly enhance their capabilities. 
Quantum computing offers advanced encryption and 
real-time data processing, while 6G networks deliver 
high speeds and low latency, ensuring secure and efficient 
operations in challenging maritime environments. These 
innovations can improve fleet management, reduce 
costs, and enhance safety through faster data exchange 
and decision-making. However, challenges like signal 
degradation in oceanic conditions remain, requiring further 
technological refinement. Policymakers must collaborate 
to establish frameworks for equitable, sustainable, and 
secure integration of  these technologies. Ultimately, the 
adoption of  quantum and 6G advancements promises 
safer, faster, and more independent maritime operations, 
transforming global communication at sea.

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