Abstract
Background & Objective: The healthcare applications provide the use of the wireless sensor network and wireless transmission of the physiological data of the patient due to the lack of medical facility. The wireless transmission can be caused due to some losses during the exchange of information. Various techniques are introduced in recent years to overcome these losses.
Methods: For the efficient transmission requirements of the biomedical data, various techniques are introduced by different authors. This paper presents a review on the various transmission losses and techniques, in order to overcome these losses in the biomedical field. The authors also provide a comparison of the available transmission techniques and the need for real-time transmission. Results: The different physiological data of the patients is collected by using different medical sensors, which can create congestion, transmission delay and packet loss during transmission. The paper discusses the different congestion avoidance techniques to overcome the transmission loss like transmission delay, packet loss, network load, etc. which provide the minimum error rate during transmission. Conclusion: The healthcare application overcomes the difficulties that occur in the medical field with the use of wireless transmission and wireless sensor networks. The medical sensors collect a vast number of data, which can lead to congestion and other transmission losses in the network. It can affect the receiver's side for detecting the condition. To overcome these problems, different techniques like LACAS, Event to Sink Protocol, Relaxation Theory, etc. are introduced in recent years to enhance network performance.Keywords: Wireless sensor network, health care monitoring, congestion, WHO, wireless network, body area network.
Graphical Abstract
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