Aryan Kaushik’s research while affiliated with Manchester Metropolitan University and other places

... Recently, reconfigurable holographic surfaces (RHS) have emerged as a groundbreaking paradigm in wireless communications, offering unprecedented capabilities to enhance the performance and security of wireless systems [18], [19]. An RHS is an array of programmable elements that can dynamically manipulate electromagnetic waves, enabling fine-grained control over the wireless propagation environment [20]. ...

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Secrecy Rate Maximization for 6G Reconfigurable Holographic Surfaces Assisted Systems

... They demonstrate remarkable generalization abilities, capturing complex relationships within data and large-scale neural network (NN) architectures with millions of parameters, enabling their application in every field. Large language models (LLMs), when well suited for dynamic environments, have the potential to revolutionize decision-making, resource management, and intelligent real-time optimizations for wireless networks [1]. ...

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Retrieval Augmented Generation with Multi-Modal LLM Framework for Wireless Environments

... These systems adjust their beam patterns to optimize signal quality and coverage, actively adapting to changes in traffic patterns and signal conditions. This dynamic adjustment is achieved through techniques such as beamforming, which focuses the antenna array's power on specific directions to enhance signal strength and reduce interference from other directions (Al-Hilo et al., 2022;Katwe et al., 2024). ...

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Artificial intelligence in enhancing the efficiency and resilience of urban infrastructure

... By using the union-bound expression provided in (22) along with the PEP expressions in (28a), (28b), and (28c), a closedform upper-bound on the SEP performance for the unblocked direct channel case is obtained as shown in (29). In this expression, Γ m denotes the SNR for each m-th symbol and is defined considering σ hd = σ 2 h , as ...

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Optimal One- and Two-Sided Multi-level ASK Modulation or RIS-Assisted Noncoherent Communication Systems

... In such scenarios, NTN play a crucial role in increasing the capacity, coverage, and speed of Fully integrated NTN are poised to provide ubiquitous connectivity, delivering services anywhere, anytime, thus having a profound socioeconomic impact [28]. ...

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A Tutorial on Non-Terrestrial Networks: Towards Global and Ubiquitous 6G Connectivity

... Artificial Intelligence (AI) has been identified as a key 6G technological enabler to adapt the network to a fast-changing environment [29]- [34]. Similarly to human-brain functioning, data-assisted AI models can learn from previous experience and execute the same action when faced with a similar perceptual environment, reducing complexity and computational resources with respect to a pure optimization-based decision-making [35]- [37]. ...

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A Tutorial on Non-Terrestrial Networks: Towards Global and Ubiquitous 6G Connectivity

... Under the scenario wherein IoT devices occupy state s t and undertake action a t , the resulting immediate reward r t is meticulously designed as follows: Figure 3 illustrates the developed framework for task offloading and scheduling. The algorithm of DQN, introduced by the DeepMind group, is a reinforcement learning algorithm integrating deep learning principles widely used in current complex satellite networks design [19,30,[52][53][54]. Unlike traditional Q-learning, DQN is adept at managing complex state spaces characterized by high dimensionality. ...

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Joint Task Offloading and Resource Scheduling in Low Earth Orbit Satellite Edge Computing Networks

... Therefore, exploring the real-world scenario where Eve is mobile requires further investigation [92]. Additionally, when covering NLOS region, the RIS can be integrated with NOMA to implement a spectrally efficient and secure network which is robust enough to operate despite variation in CSI [197]. ...

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A Tutorial on Near-Field Driven 6G Networks

... • MA [3]: The transceiver panels are non-rotatable, while the antenna elements can be repositioned on the antenna panels based on the joint optimization. • RO [12]: The relative positions of the antenna elements on the panel are fixed with the antenna spacing of λ/2, while the entire panel can rotate around its center axis. • AS [13]: The transceivers are equipped with 12 antennas, arranged in a fixed square array with an antenna spacing of λ/2. ...

Reference:

ROMA: ROtary and Movable Antenna

... UAV-based ISAC systems represent a promising implementation, leveraging UAVs' unique capabilities to enhance integrated S&C [8]. They enable simultaneous S&C by sharing resources like spectrum and hardware, overcoming traditional ground-based limitations [11]. Unlike fixed infrastructure, UAVs can dynamically navigate three-dimensional (3D) space, enabling them to circumvent obstacles that hinder line-of-sight (LoS) links [12]. ...

Reference:

Advancements in UAV-based Integrated Sensing and Communication: A Comprehensive Survey