Staff and Patient Wireless Solution for CHAS - Children’s Hospice Association Scotland - Nursing Assignment Help

Assignment Task:

Question 1                                

Consider your student ID as a decimal number (Example: MIT123456 should be ‘123456’) and covert to binary digits. You may use any online decimal to binary converter to convert this. Now draw the message signal for the binary numbers (consider this as your bit stream) and show ASK, BFSK and BPSK signal accordingly.                                 
Considering a scenario where the power of transmitter is 45 Watts and the signal power received is 30 Watts. Calculate the free space path loss.            

A receiver has received the following signal based on QPSK Modulated, explain how the digital baseband signal is retrieved and write the data.

Question 2                                

Concert venues are extreme instances of traffic hotspots. Currently in concert vanue settings, most operators use cellular solutions for voice and Wi-Fi for data. While this may be adequate for now, forecasts of exponential growth in user traffic (especially real-time video), this type of solution will not be sufficient in the future since Wi-Fi cannot provide QoS and the conventional cellular network will not have enough capacity. 
Let’s consider a concert venue (eg. Stadium) with a population capacity of 20000 to 90000. It’s expected that people will be using smart devices with bandwidth-intensive application such as mobile video. Hence, forecast determines the traffic load will increase exponential in the coming months. As a wireless operator provide your recommendation to handle and maintain adequate QoS. Answer following questions to provide the recommendations in a structured manner

Please shed highlight on the interference issues in the proposed solution? Please explain how you would avoid interference. Justify you answers.               
Do you think using Wireless Personal Area Networks such as Piconet and Scatternet could significantly benefit your proposed solution?                         
 Explain how the Piconet and Scatternet can be implemented?                           

Question 3                                                                                   
Staff and Patient Wireless solution for CHAS                    
Background Children’s Hospice Association Scotland (CHAS) is a charity that provides the only hospice services in Scotland for children and young people who have life-shortening conditions for which there is no known cure. CHAS runs two children’s hospices, Rachel House in Kinross and Robin House in Balloch, and a home care service called CHAS at Home, which provides specialised care to children and young people in their homes, when they need it most. Challenge CHAS had a requirement to upgrade its current Wireless LAN (WLAN) infrastructure. Both hospice sites had an aging WLAN network that did not offer the coverage that the organisation requires on a daily basis. It failed to meet the needs of staff and families while in the hospices. Staff members require access to the patient’s records in all locations and with over 350 children and young people as well as family all using the services, the challenge was to deploy a wireless service that gave full coverage across both sites. All implementation works had to be done very discreetly and with care in order to reduce the disruption to the running of the hospices and disturbance of the families living in and visiting the sites. Solution Provista UK Ltd were recommended to CHAS by Cisco to assist in reviewing, designing and deploying the new WLAN infrastructure. After a free trial, Meraki Cloud solution was preferred by CHAS. It was chosen because of the user friendly dashboard which provides a view of networked clients, bandwidth consumption, and application usage across all sites. It also allows for the creation of push policies to block, shape, or whitelist activity to optimize performance and improve user experience. CHAS aims to provide “home away from home” care and it was important to allow patients to bring their own devices, stream videos, play games and keep in touch with their friends and family through social media, therefore the solution also included a secure but managed Guest WiFi service. Cisco and Provista went the extra mile to fit the solution into a very tight budget for CHAS. “Impressed from start to finish. Provista UK Ltd were head and shoulders above everybody else.” Mark Grant - IT Service Manager Business Benefits By utilising Provista’s solution, CHAS were able to appreciate the following benefits: 
•    Full wireless coverage of all necessary areas of both sites 
•    Guests can access the services easily and with no technical assistance 
•    Patients can bring their own devices and use WiFi to access WWW 
•    Staff have and easy access to the records and information at any location throughout the Hospices 
•    Staff can move between sites and be connected at either site easily 
•    Better working environment and lots of staff compliments about improved service 
•    IT support available from any location 
[Source: https://www.provista-uk.com/chas/].
Answer the following questions for the above case study:

a)    Analyse the approaches taken by CHAS to provide “home away from home” and identify the limitations in the approaches.                                                                               
b)    Assume you are the IT Manager of CHAS, what are the additional steps to be taken or what would you do differently?                                                    

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