RICM4 2017 2018 - UltraTeamMV/ SRS

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The document provides a template of the Software Requirements Specification (SRS). It is inspired of the IEEE/ANSI 830-1998 Standard.


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Document History
Version Date Authors Description Validator Validation Date
0.1.0 TBC TBC TBC TBC TBC


1. Introduction

1.1 Purpose of the requirements document

This Software Requirements Specification (SRS) identifies the requirements for project StartAir Safe. In case of a open source project, we must present the requirement to others potential contributors. This document is a guideline about the functionalities offered and the problems that the system solves.

1.2 Scope of the product

This project mainly consists of a web application development. This app should allow a hikers team to localise each other in real time. It should be really easy to add new members (Numeric code, QRCode, NFC, …). The system should work whether or not there is a 2G/3G/4G or LoRa connection.

1.3 Definitions, acronyms and abbreviations

LoRa = Long Range : Low powered radio based communication technology LoRaWAN = Long Range Wide Area Networks : LoRa overlayer to ease (& securise) LoRa communication implementation LPWAN = Low Powered Wide Area Networks BLE = Bluetooth Low Energy GPS = Global Positioning System

1.4 References

1.5 Overview of the remainder of the document

2. General description

2.1 Product perspective

Becoming a worldwide outdoor geolocation leader.

2.2 Product functions

This system should allow low energy cost localisation. It should be decentralized as 2G/3G/4G network is sporadic in such environnement. It should also centralize all data to allow sending it to appropriate services (rescue team for instance).

2.3 User characteristics

Hikers team, comfortable with using a smartphone but not a technology expert. No financial criteria other than having a smartphone as an ESP32 costs about 5€. Age group = any that is comfortable with using a smartphone hence (~15-70).

2.4 General constraints

The system should work whether or not there is a 2G/3G/4G connection Limited localisation accuracy : GPS.

2.5 Assumptions and dependencies

As few environnement assumptions as possible. A team needs at least 1 smartphone (with GPS connection) and 1 ESP32 per hiker.

3.Specific requirements, covering functional, non-functional and interface requirements

  • document external interfaces,
  • describe system functionality and performance
  • specify logical database requirements,
  • design constraints,
  • emergent system properties and quality characteristics.

3.1 Requirement X.Y.Z (in Structured Natural Language)

Function:

Description:

Inputs:

Source:

Outputs:

Destination:

Action:

  • Natural language sentences (with MUST, MAY, SHALL)
  • Graphical Notations : UML Sequence w/o collaboration diagrams, Process maps, Task Analysis (HTA, CTT)
  • Mathematical Notations
  • Tabular notations for several (condition --> action) tuples

Non functional requirements:

Pre-condition:

Post-condition:

Side-effects:

4. Product evolution

5. Appendices

5.1. SRS structure

The document is based on template of the Software Requirements Specification (SRS) inspired of the IEEE/ANSI 830-1998 Standard.

References:

6. Index

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