# Magic of 5G Technology and Optimization Methods Applied to Biomedical Devices: A Survey
## 5 Challenges and Future Trends
### Safety  
Most medical devices have limited communication capabilities, and security has become a major concern in all devices. Hence, from the initial design step up to the final design step of medical devices, point-by-point factors such as medical tissue surroundings  
\begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline
**Ref.** & **Scope** & **Contribution** & **Specifications** \\ \hline
[50] & Wearable antennas for 5G systems. & Design of a dual-band dual-polarized button antenna. & Covering the 4.50–4.61 GHz band and the 5.04–5.50 GHz bands. \\ \hline
[51] & Sleep monitoring with low-cost WiFi devices. & Providing a fine-grained sleep log. & Demonstrating the effectiveness of SleepGuardian. \\ \hline
[52] & Headband for usage in human-machine interfaces and sleep data acquisition. & Using biomonitoring with wearable sensors. & Comfortable and low weight (115 g) to be used while sleeping. \\ \hline
[38] & Telemonitoring systems for 5G applications. & Used for patients with chronic respiration problems through 5G connectivity. & Successfully tested for 5G connectivity for at least 48 h. \\ \hline
[53] & Wearable multi-port antenna. & Monitoring of the human body by sampling health parameters. & Provided gain of –13 dBi. \\ \hline
[70] & Implant devices with electromagnetic coupling. & Proposing algorithm for coil couple geometry. & Power ranges as 10 W, 100 mW, and 300 μW. \\ \hline
[81] & Health monitoring and teleophthal-mology. & Presenting template matching method for remote retina health monitoring. & Providing long-term retinal monitoring. \\ \hline
[82] & Gait phase recognition. & Presenting template matching method for remote retina health monitoring. & Short delay response less than 20 ms. \\ \hline
[76] & Biomedical image segmentation based on the neural network. & Presenting an evolutionary compression method. & Discovering efficient network architectures. \\ \hline
[83] & Cardiovascular implantable electronic devices. & Heart modeling with integrated stochastic optimization algorithm. & Practical physiological model to be used in clinical settings. \\ \hline
[65] & Point-of-care diagnostics with wearable devices. & A wireless 1.8-gram self-contained architecture. & Power consumption of 110 μW with latency of 10.2 μs. \\ \hline
[77] & Brain-machine interfaces with neural encoders. & Reproduces heterogeneous neural activity. & Enhances the fidelity of brain–machine interface simulators. \\ \hline
[71] & Biomedical electronics with segmented coils. & Designs small-scale wireless power transfer systems with optimizations. & Wireless power link at 40.68 MHz. \\ \hline
[78] & Designs a low-power device authentication system. & Designs ECG processor. & Improving area and power consumption by 64.5\% and 51.0\%. \\ \hline
[84] & Optimization for adaptive neuro-fuzzy inference system. & Identifies the heart condition by classifying the received sensor data. & Prediction model accuracy of 99.45\%. \\ \hline
[85] & Custom foot orthoses for satisfactory treatment. & Presenting the rapid evaluate and adjust device prescription methodology. & Improving the interaction between patient and physician. \\ \hline
[54] & Design of flow-guided nano-networks with optimizations. & Help in monitoring, data gathering and transmission inside the human body. & Enhancing the network throughput of flow-guided nano-networks by selecting a suitable frame size. \\ \hline \end{tabular}
\end{table}
Table 1: Cont.  
and outcome specifications must be considered important. These considerations will result in more reliable and safety devices.