# Quantum Computing for Healthcare: A Review
## 4 Requirements of Quantum Computing for Healthcare
### High-Speed Connectivity (5G/6G Networks)
\begin{table}
\begin{tabular}{l l l} \hline \hline
**Requirements** & **Challenges** & **Solutions** \\ \hline \multirow{4}{*}{Computational power} & * Lower computational power of traditional systems. & * Multidimensional spaces of quantum computers. \\  & Higher computational complexity. & Efficient representation of larger problems. \\  & Large problem sizes. & * Quantum wave interference. \\  & Complex system implementation. & Unprecedented speed of quantum computing. \\ \hline \multirow{4}{*}{High-speed connectivity (5G/6G networks)} & * Lack of security in high-speed connectivity. & * Quantum walks-based universal computing model. \\  & Lack of scalability in quantum computers. & * Inherent cryptographic features of quantum computing. \\  & Lack of confidentiality in information processing. & * Cryptographic protocols. \\ \hline \multirow{4}{*}{Higher-dimensional quantum computing} & Growing number of quantum states. & * Increased noise resilience. \\  & Lower capacity in traditional systems. & * Quantum channel implementation. \\  & Increased processing requirements. & Parallel execution of tasks. \\ \hline \multirow{4}{*}{Scalability of quantum computing} & Lack of scalability in quantum computations. & * Transfer learning methods. \\  & Lack of usability. & * Use of neural information machines. \\  & Lack of support for growing amount of processing. & * Physics-inspired transfer-learning protocols. \\  & Lack of emulation environments. & * PCA-based quantum computing applications. \\ \hline \multirow{4}{*}{Fault tolerance} & Lack of fault tolerance. & * Monitoring qubits using ancillary qubit. \\  & Quantum entangled states. & * Logical errors detection. \\  & Errors in qubits. & * Limiting error propagation. \\  & Lack of quantum correction code. & * Lift-error propagation. \\ \hline \multirow{4}{*}{Quantum availability of the healthcare systems} & * Far-away processing systems. & * Communication infrastructure improvement. \\  & Errors in the communication systems. & * Fault correction mechanisms \\  & Lack of computing infrastructure. & * Development of quantum services. \\  & Lack of service distribution. & * Improvement in traditional computing systems. \\ \hline \multirow{4}{*}{Development of quantum gates} & No cloning restriction. & * Use of gate-modal quantum computers. \\  & Challenges with coupling topology. & * Programming gated models. \\  & Combinatorial optimization problems. & * Performance of factorization process. \\  & Lack of error correction code. & * Development of distributed quantum technologies. \\ \hline \multirow{4}{*}{Uve of distributed topologies} & Physical distances among quantum states. & * Development of distributed quantum technologies. \\  & Latency on quantum bus execution. & Efficient quantum bus implementation. \\  & Requirement of coordinated infrastructure. & * Feed forward quantum neural networks. \\  & Lack of system area network. & * Dcycle-dipole interaction. \\ \hline \multirow{4}{*}{Requirements for physical implementation} & Higher implementation cost. & * Physical systems development. \\  & Lack of resources and expertise. & * Cost-effective solutions. \\  & Lower initial revenue & * Marpower training. \\ \hline \multirow{4}{*}{Quantum ML.} & Extended execution time. & * Quantum-computing based solutions. \\  & Lack of resources and higher complexity. & * Lower computational complexity. \\  & More implementation overhead. & Higher responsiveness. \\ \hline \hline \end{tabular}
\end{table} 
Table 3: A summary of key requirements of quantum computing for healthcare services provisioning along with different challenges and solutions. transmission of information, the entity's data are encrypted before sending them over the cloud. In this context, key management, encryption, decryption, and access control are taken care of by the entities. This could be for novel research exploiting quantum technologies using 5G healthcare to enhance performance and resist attacks from classical and quantum scenarios.