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Homework answers / question archive / Network protocol and Infrastructure For a Wireless Sensor Network Invitation to Tender Introduction     Wireless Sensor Networks(WSN) comprise of tiny devices with a capability of sensing, communication and computation are spread over a physical environment, perhaps for a limited period, with a common objective to collaborate to provide a distributed and robust sensing, storage, and communication service

Network protocol and Infrastructure For a Wireless Sensor Network Invitation to Tender Introduction     Wireless Sensor Networks(WSN) comprise of tiny devices with a capability of sensing, communication and computation are spread over a physical environment, perhaps for a limited period, with a common objective to collaborate to provide a distributed and robust sensing, storage, and communication service

Computer Science

Network protocol and Infrastructure

For a Wireless Sensor Network

Invitation to Tender

  1. Introduction

 

 

Wireless Sensor Networks(WSN) comprise of tiny devices with a capability of sensing, communication and computation are spread over a physical environment, perhaps for a limited period, with a common objective to collaborate to provide a distributed and robust sensing, storage, and communication service. These devices can be dispersed over a hostile battlefield or harsh environment to achieve a task. Wireless sensor networks have an enormous potential impact in the future in many fields such as military, civil, health and habitat monitoring.

 

 

 

Image from: http://computing.unn.ac.uk/

 

 

 

 

 

 

 

 

  1. Project Overview

 

 

California Department of Forestry and Fire Protection would like to deploy a wireless sensor network on Ahjumawi Lava Springs State Park. The network will feed live data to the nearby control processing centre via a long distance wireless link.  

 

  1. Wireless Sensor Network

 

The project is looking to deploy approximately 1500 custom built battery operated wireless sensors. The sensors must operate on a globally compatible ISM band with direct sequence spread spectrum. The sensors should have expansion connector for light, temperature, RH, Barometric, Pressure, Seismic, acoustic sensors. Battery powered WSN usually have a limited lifetime. The primary goal of this project is to come up with novel communication strategies that will maximize the lifetime of these battery operated sensors.  

 

The project intends to share this live data with the scientific community across the globe. This will require a web server built into the design.

The scope of this project is limited to a new secure communication protocol design for WSN. For WSN you will need to specify protocols for physical, routing and MAC layer of the protocol stack. Security must be considered across the full protocol stack.

 

 

 

 

 

 

 

 

 

 

  1. TECHNICAL REQUIREMENTS

 

  • Energy efficient Protocols specification required for
    • Network Layer
    • Mac Layer
    • Physical Layer
    • Security

 

  • The protocols must ensure efficient and uniform consumption of energy across the network.
  • Frequency choice for sensor node communication within the network.
  • Long distance communication link must be specified.
  • Logical addressing scheme (Equivalent of IPv4 or 6).
  • Enhanced Security solution across the three layers.

 

 

  1. COST INFORMATION REQUIRED

For this exercise, no cost information is required though information on power saving can be included.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tasks Requirements

 

AMY Networks is a consultancy business that designs, installs and operates different types of wireless and wired networks for businesses and research organisations.  As one of their project leaders you have been asked to respond to an ITT (Invitation to Tender) for this network design.  The network solution will include the wireless sensor network logical design along with protocols specifications.

The ITT document is included with this ICA.  The tender that you produce in response to the ITT should take the following form.

Part 1 – Design

30%

You need to respond to the ITT with following documents: -

  • Logical Design: Wireless sensor network.
    • Logical layout and implementation of the WSN deployment (You must show the overall connectivity between the different network elements).
    • Design and implement an addressing scheme for WSN(for example IPv6 equivalent). You can use Packet tracer to implement the IP scheme.

Part 2 – Design Report (4000 words)

60%

 

The report must provide

  • Description for the protocols you have chosen for the wireless sensor network and how they will prolong the network life time (Restrict discussion to Routing, MAC and Physical Layer) (20%).
  • Enhanced security solution for the network including identification and mitigation of the security risks (30%).
  • Conclusion/Reflection:   
    - Realistic and insightful conclusions drawn from the research.  
    - A full discussion about the nature of future developments should be included (10%).   

 

The discussion should include a plan for integrating the different network protocols into the new network design. Your discussion must be supported by published research or simulation. 

  Part 3 – Presentation

10%

Marks will be awarded for the overall presentation of your work.  Your work should be of a professional standard.

 

Appendix

Module Learning Outcomes

 

 

Personal and Transferable Skills
1.  Appraise the technologies that are used to develop wireless based networks.
2.  Evaluate and compare the various mechanisms that are used to ensure effective communication between mobile devices and the real-world.

Research, Knowledge and Cognitive Skills
3.  Demonstrate a comprehensive and critical understanding of the security risks that are associated with a range of mobile devices and formulate suitable strategies for protection of the data held by them.
4.  Research, assess and evaluate the complex relationships which exist between these technologies in real-world mobile devices.
5.  Integrate and synthesise diverse knowledge, evidence concepts, theory and practice in wireless communications, to solve problems.
6.  Critically appraise the networking technologies that are currently used by mobile devices.

Professional Skills
7.  Demonstrate a comprehensive knowledge of the hardware technologies that are currently used by mobile devices.  

 

 

 

Marking Criteria

 

 

Part 1- Design     (30%)

Logical Design(15%)

To obtain maximum marks you need to :-

  • Produce and implement a detailed, documented network diagram in response to the information provided in the ITT.  Your design will consist of diagrams for the wireless sensor network
  • Your design should clearly show the measures you have included that address the technical requirements.  The design document should be professionally presented using a tool such as Visio.

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Addressing scheme  (15%)

To obtain maximum marks you need to :-

  • The design should include a valid network addressing solution along with explanation and implementation . The addressing scheme must map to the design diagram and the technical requirements..

 

 

 

 

 

 

 

                                                                    Part 2 – Design Report  (4000 words) 60%

Protocols (20%)

 

To obtain maximum marks: -

  • The report must clearly identify and discuss the relevant protocols and hardware used to design this network and how the protocols meet the requirements in the ITT.
  • The report must provide a description for the model, design and all of the decisions that you have made in the process of developing the design and how these are linked to the technical requirements describe in the ITT

 

Security  (30%)

To obtain maximum marks: -

  • The report must include a discussion on security risk, mitigation and enhancements.

 

 

Conclusion and Reflection (10%)

To obtain maximum marks: -

  • The report should include realistic and insightful conclusions drawn from the research.  and
    - A full discussion about the nature of future developments is included.   

 

 

Total

 

 

 

 

 

Part 3 – Presentation (10%)

 

To obtain maximum marks:-

  • Ensure all of your documents are word processed or produced using suitable tools.
  • Ensure all documents are clear, and easy to read with few errors.
  • Use professional presentation methods :-
    • Table of contents (where appropriate)
    • Version control information
    • Supported by diagrams/graphics where appropriate
  • Ensure all documents are clearly labelled with your name and the document title.
  • All sources of information must be referenced and cited.

 

 

10%

Total

10%

 

 

 

 

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