High Level Requirement

Quality Standard

Metric

Each book in the store should have an RFID tag

150,000 (+/- 5%)

Books tagged

RFID tags should not be immediately visible to patrons

Not visible without inspecting the book

Can RFID tag be seen without inspection?

RFID tags should not be trivial to remove

Someone should not be able to remove an RFID tag in under 5 seconds without tools

Amount of time to remove an RFID tag from a book

High Level Requirement

Quality Standard

Metric

RFID tags should be able to last at least 20 years

20 years

Manufacturer’s stated lifetime

Additional RFID tags should be easily procurable by BBB

<1 hour

Time to order new tags

Each shelf should be capable of determining all books on or near the shelf

>99% of books within 1M of a specific bookcase should be detectable by RFID readers

Book reporting accuracy

High Level Requirement

Quality Standard

Metric

Each shelf should report back which books are near it to the central database every 30 seconds to 1 minute

Between 30 seconds and 1 minute

Frequency of report

The information wall system should be able access and display data from BBB’s website via URL

The BBB site can be displayed via URL on the screen

Can the display access the BBB site via URL?

The central database should associate each book’s RFID, ISBN, and date the tag was entered into the system

Someone can enter a book’s RFID, ISBN, and entry date for a book in <10 seconds

Time to enter a book’s RFID, ISBN, and entry date