Wireless Communications Case Study

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Through this case study I am going to be investigating the different wireless communications that are available, and also how they could benefit Staffordshire Health Authority. I will look at previous and current wireless standards, their differences and the speeds they can provide. I will also consider the best standards to use when working with a network to support VoIP (Voice over Internet Protocol). Throughout the case study I will talk about the technologies that could work within our network environment, and others that would not be suitable or effective. Finally I will look at VoIP and how it will impact on Staffordshire Health Authority.
Discussion of Wireless Communications

When looking at wireless communications, there are many standards to discuss as there are so many types all used for different purposes. I am going to talk about a range of communications used for different ways to communicate; for example Bluetooth can be used to send files between mobile devices. Cellular broadband, which is used on mobile phones and tablets to be able to access the internet while out of reach of a Wi-Fi signal. I will also look at satellite, which can be used to provide Internet to remote areas and Wi-Fi which is widely used to access Internet and local networks without having to have a physical connection. I will finally assess WiMAX (Worldwide Interoperability for Microwave Access) that is used to provide Internet over a large distance.

Bluetooth was an IEEE (Institute of Electrical and Electronics Engineers) 802.15 standard, but the standard is no longer sustained. Bluetooth supports speeds up to 24mb/s as well as different power ranges, which allows it to travel over certain distances. Short range can travel 10cm, and then t...

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...k, or it could be highly used and cause a great deal of strain on the network, resulting in upgrades needing to be made to cabling and equipment to handle the larger amounts of data travelling over the network.

When looking at the best standards to use for VoIP it is important to make sure the quality of the call is sufficient to be used in a business environment. For example if setting up a wireless based VoIP system you would need to make sure you’re using 802.11n or 802.11ac to ensure the bandwidth is able travel to reduce lag and jitter during the call. Also, when setting up a wired based system you will need to make sure you have a high-speed backbone to your network from the point of the switch managing the VoIP calls. This can be enabled by using gigabit links and also making sure you are using Cat 6 cabling to further reduce jitter, lag and dropped packets.
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