RFID System Planning - A Simple Overview

This document is intended as a short, simplethe tags and readers supplied in terms of speed and
summarised overview for companies thinking of, orcapability.
wanting to, implement RFID technology within theirIt will be the results of the Pilot scheme that facilitate
supply chain operations. It is designed to increasethe specific "roll out" requirements for the full system.
awareness of the needs, wants, dos and don'tsThe exact specifications of the hardware
when planning your RFID supply chain systems. Arequirements for the pilot scheme are to be specified
glossary of RFID terms is included to assist youduring the site survey and process analysis by the
when investigating RFID systems and technology.system integrator. What are your system software
The single most important message is that definedrequirements?
objectives and planning are paramount; and that inputA key area for concern is handling the sheer volume
and assistance from independent expertise at a veryand speed of data produced by an RFID system.
early stage, can save considerable time and money inIf you were to implement an RFID system by
the long term.directly hooking RFID readers to the backend
It is recognised that RFID will enable, (and alreadymanagement and ERP systems, the results will be
has in some cases), a new era of businessdisastrous due to the massive volume of data
optimisation, managing and increasing efficienciesdirectly entering the system.
throughout the supply chain. However knowing that itWhat's needed is the right system architecture, not
can assist your business, and understanding how it willonly to maintain data accuracy and authenticity, but
do so, are different enough, let alone knowing howto make meaning of the vast volumes of data
to actually implement a system that provides a sounddelivered by the RFID readers. Some estimates are
return on the investment, whilst meeting yourthat pallet, tote and item-level tracking, combined
objectives.with data generated by RFID readers as items move
The potential final cost of a fully integrated RFIDwithin the enterprise, will increase the volume of data
supply chain operation would suggest that wellby 100 to 1,000 times today's levels in most supply
planned objectives and a Pilot Scheme within part ofchains (source: RFID Journal).
the supply chain would be the prudent route to take.Effective RFID implementations should follow the
This ensures that a final system properly specifiedarchitectural principles developed for financial trading
and implemented will actually produce the results thatsystems, process control and large-scale network
you both want and expect.management. Like RFID systems, these systems
Business Driversprocess huge volumes of data, correct errors in real
The key driver for any investment of this type is thetime, correlate events, detect trends and patterns,
cost savings it will yield. However RFID technologyre-organise and cleanse data and recover from faults
provides additional advantages of real time and faster- all in real time.
data capture, with a reduced human error factor.A role of the system integrator is to develop and
Unlike bar code-based systems, an RFID system canimplement an operational data management
read the information on multiple tags withoutarchitecture that captures events at the "edge" of
necessarily requiring line of sight and without thethe enterprise, where operational activity occurs,
need for a particular orientation. The main businessrather than in the centre, where business-oriented
drivers throughout most sectors are as follows:otransaction processing occurs. To achieve manageable
Optimise asset and resource utilisationo Optimisedata then the architecture will comprise of data
operational process & Manage supply chainconcentrators and pipelines to route relevant data to
exceptionso Reduce transportation costso Reducethe specific user systems that require it, thus not
theft, wastage and losso Increase financial return onoverloading any individual back end management
investmentso Optimise the labour forceo Managesystem. For example:- container / pallet data to the
KPIs and benchmarkingo Avoid congestion of assetsasset management system, product and stock data
and bottlenecks in the supply chaino To reduceto the ERP and MRP systems cost data to the
overall supply chain costso To assist in makingfinancial management systems and so on...
informed decisions in respect of the logistics "loop"System compatibility in a Global Supply Chain is
Where do you start?important, not necessarily for the pilot scheme, but if
The range of technologies, standards and options forit is to facilitate a successful roll out across the whole
RFID systems are too numerous to list here, andsupply chain. Global standards are progressing with
there is a danger of over specifying the technologythe new systems created in compliance with the
required.EPCglobal Generation 2 (Gen 2) standard.
Providing that the system objective is not forgottenGen 2 creates a foundation on which to build
during the specification and implementation stage,interoperable RFID products and systems that will
then a suitable system integrator will ensure thatimprove inventory management, logistics and retail
there is not an over investment, or too muchoperations around the world. However there will be
needless information being produced. It is thereforesignificant performance and capability differences
crucial that the functionality requirements andamong Gen 2 compliant equipment. Gen 2 is a
objectives are well thought out and defined instandard, and standards specify minimum
advance of partnering with a suitable Systemperformance requirements and will therefore not
Integrator, specifically in relation to the managementaccommodate all systems, as standard -based
information you wish to extract from the system.equipment will not provide a standard performance.
It is widely acknowledged by all who have conductedGen 2 specifies basic RFID communications
pilot schemes and RFID implementation that theperformance required for common supply chain
most crucial factor is to conduct a pilot scheme withbusiness processes. However, although companies
partners that have a proven track record, and arewithin the same sector have similar information needs
not learning as they go along. Therefore a Systemas their competitors and have comparable business
Integrator with relevant industry sector experience ispractices, usage environments will be very different
vital.depending on age and design of the assembly
From experience it is preferable, in the early planningmanufacturing facility, geography and culture. Gen 2
stages, to have an independent project coordinator /or any RFID technology won't provide exactly the
facilitator assisting your project team. This individualsame performance at any two facilities. That is why
should be separate from the Integrator and individualit is important to understand the difference between
system / hardware suppliers working together on thewhat Gen 2 specifies and the range of performance
project, and not part of any individual departmentsthat Gen 2 compliant products can provide.
within your business that may bias the direction andWhat next?
objectives of the team.RFID does not need to be as complicated or as
Your RFID project team should be kept as small asdaunting as some of the industry players would have
possible to reduce management time, training needs,you believe. Just because the technology exists it
misinformation, over analysis and to remain focuseddoes not need to be used to maximum capacity
to the project objectives. Team members shouldthroughout all supply chains. The following factors are
then feed back to their own local departments andconsidered to be key when moving forward:o Do not
teams to facilitate the actions and objectives of theover complicate the technology; use what is suitable
project team.to meet your objectives.o Ensure the correct partner
What are your hardware requirements?(system integrator / provider) is engaged from the
The functional requirements of the system willoutset.o Ensure that the systems chosen can move
dictate the hardware and software specifications, forwith technologyo The pilot scheme is just that - it will
example the read / write capabilities of the RFIDneed development
tags will ultimately be dictated by the businessRFID system planning is crucial to its success but can
objectives.on its own be a major task. This combined with the
With the ability to write tags comes the ability tofact that you may have little or no RFID expertise
change data. This is considered by some to be ainternally can prevent you from taking your first
very important feature of RFID, specifically when itsteps to deciding if RFID is suitable to you and your
relates to the retail and warehousing industry wherebusiness. Specialist Materials Handing Consultants and
it is not just pallets and boxes, but also individualSupply Chain Consultants can assist you with
product items being tracked and replenished. Theseknowledge and experienced based RFID system
business operations, information needs, standards,planning and help you design a project plan with
customer requirements and other variables can allspecific focus on:
change rapidly over a relatively short period of time.-Project Objectives & Scope
The RFID readers will be able to read tags at a rate-Resource Requirements
of several dozen tags per second; however the-Project Stages and Timescale
speed at which that data is processed into the-Project Milestones
system is limited and dependent on the network and-Integrator / Supplier Choice
database. The amount of data held on a tag will-Regular Technical Reviews
affect the read rates. This therefore means that theInvestment into planning and consultative project
middleware, back end processing and managementmanagement at the outset can negate over
reporting systems must be wholly compatible withinvestment and additional cost in the longer term.