Wi-Fi Enabled Healthcare  book cover
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1st Edition

Wi-Fi Enabled Healthcare



ISBN 9781466560406
Published February 19, 2014 by Auerbach Publications
300 Pages 55 B/W Illustrations

 
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Book Description

Focusing on its recent proliferation in hospital systems, Wi-Fi Enabled Healthcare explains how Wi-Fi is transforming clinical work flows and infusing new life into the types of mobile devices being implemented in hospitals. Drawing on first-hand experiences from one of the largest healthcare systems in the United States, it covers the key areas associated with wireless network design, security, and support.

Reporting on cutting-edge developments and emerging standards in Wi-Fi technologies, the book explores security implications for each device type. It covers real-time location services and emerging trends in cloud-based wireless architecture. It also outlines several options and design consideration for employee wireless coverage, voice over wireless (including smart phones), mobile medical devices, and wireless guest services.

This book presents authoritative insight into the challenges that exist in adding Wi-Fi within a healthcare setting. It explores several solutions in each space along with design considerations and pros and cons. It also supplies an in-depth look at voice over wireless, mobile medical devices, and wireless guest services.

The authors provide readers with the technical knowhow required to ensure their systems provide the reliable, end-to-end communications necessary to surmount today’s challenges and capitalize on new opportunities. The shared experience and lessons learned provide essential guidance for large and small healthcare organizations in the United States and around the world.

This book is an ideal reference for network design engineers and high-level hospital executives that are thinking about adding or improving upon Wi-Fi in their hospitals or hospital systems.

Table of Contents

Brief History of Wi-Fi
History and Current Growth and Proliferation of Wi-Fi in Hospitals
Regulatory Bodies
     Federal Communications Commission 
     Institute of Electrical and Electronics Engineers 
     Wi-Fi Alliance 
          Core Programs 
          Optional Programs 
     International Organization for Standardization
Wi-Fi Impacts on Clinical Workflow 
     mHealth
Endnotes

Wireless Architecture Considerations
About Wi-Fi Networks
History of Wireless Local Area Network Architecture
Basic Components of All Network Architectures 
     The MAC Layer 
     Vendor-Specific Solutions 
          Autonomous Architecture 
          Controller-Based Architectures 
          Distributed Architecture Medical Devices 
     Medical Imaging 
          Wireless on Wheels 
          Tablets and Smart Phones 
          Bonjour

Site Survey Process
Wireless Site Survey Process
Preparation
The Statement of Work
Facility Blueprints
Pre-Survey Walkthrough
Design Considerations 
     High Capacity Design 
     Channel Planning 
     Multi-Floor Designs 
     Aesthetics 
     Augmenting Existing Designs 
          Upgrading Access Point Hardware 
          Cabling 
Network Infrastructure 
     Network Ports 
     Power Availability 
     Network Bandwidth 
     IP Address Availability
Survey Equipment 
     Form Factor 
     Site Survey Design Software 
     Spectrum Analyzer
Survey Types 
     Predictive Survey 
     Passive Survey 
     Active Survey
Survey Techniques
Site Survey Report
Post-Validation Survey

Wireless Security Wi-Fi
About Information Security and Wireless Networking 
     Confidentiality 
     Availability 
     Integrity
Wireless Security Risks and Threats 
     Denial of Service 
     Malicious Code 
     Social Engineering
     Signal Analysis
     Spoofing
     Rogue Access Points 
     Wireless Hacking and Hackers 
          Motives of Wireless Hackers 
          War Driving
          Tracking War Drivers 
     The Hacking Process 
          Information Gathering 
          Enumeration 
          Compromise 
          Expanding Privileges and Accessibility
          Cleaning up the Trails 
     Shared Key Authentication 
     Open Key Authentication
Wired Equivalent Privacy Standard
802.1x 
     Authentication Server 
     Authenticator
     Supplicant
Extensive Authentication Protocol over Local Area Network (EAPOL)
Remote Authentication Dial-In User Service (RADIUS)
Extensible Authentication Protocol 
     EAP-MD5
     EAP-TLS 
     EAP-TTLS 
     LEAP 
     PEAP 
     EAP-FAST
Wi-Fi Protected Access
802.11i 
     Robust Secure Network (RSN) 
     Transition Secure Network (TSN) 
     Temporal Key Integrity Protocol 
     TKIP MIC 
     Advance Encryption Standard 
     802.11i System Overview
Wi-Fi Protected Access 
     Rogue Access Points Detection
Wireless Security Tools 
     Scanning Tools 
     Sniffing Tools 
     Hybrid Tools 
     Cracking Tools 
     Access Point Attacking Tools
Wireless Security Policy Areas 
     Password Policy 
     Access Policy
     Rogue Access Point Policy 
     Guest Access Policy 
     Remote WLAN Access Policy
Physical Security 
     Wireless Monitoring and Security Incident Response
HIPAA and Wi-Fi

Wireless Guest Services
Sponsored, Open Access, and Self-Enrollment 
     Sponsored Guest Access 
     Self-Enrollment Guest Access 
     Open Access 
          Captive Portal Page Types 
          No Registration Splash Page 
          Self-Registration 
          Manual Registration 
          Sponsored Registration
Supporting Infrastructure
Revenue Generation
Bring Your Own Device (BYOD)
SCEP
Endnotes

Mobile Medical Devices
Functional Testing
Network Testing
Failover and Redundancy Test
Mobile X-Ray Machines
Medication Dispensing Systems
IV Pumps
Electrocardiogram Carts
Ultrasound Devices
Blood Gas Analyzers
Hemodialysis Machines
mHealth

Voice over Wi-Fi
Why VoWi-Fi?
The Challenges of VoWi-Fi
Quality of Service Fundamentals 
     Evolution of QoS 
     The Journey of a Voice Packet 
          What Happens at Phone One 
          What Happens at the Access Point 
          What Happens at Switch One 
          What Happens at the Router
Differentiated Services
802.1Q
Anatomy of VoIP
The Anatomy of Codecs
Proprietary Protocols
Wireless Arbitration
Troubleshooting VoWi-Fi
Roaming

Real Time Location Services
RTLS Technologies 
     ZigBee 
     Wi-Fi
     Infrared 
     Ultrasound
How RTLS Works 
     Architecture 
     ISO/IEC Standards 
     Different Types of Transmitters
     Applications 
          Asset Management
          Equipment Rentals 
          Shrinkage 
          Condition Monitoring 
          Patient and Clinician Safety 
          Infection Control 
          Workflow
RTLS Issues 
     Privacy Concerns 
     Challenges with Accuracy 
     Maintenance and Costs

The Wireless Project Management Process
Refining the Scope
Scheduling and Developing Milestones
Developing a Budget
Quality Assurance
Communication Strategy
Risk Management
Change Management
Closure Criteria
     1. Identify Key Stakeholders and Set up aKickoff Meeting
     2. Perform an RFI and RFP to Choose Wireless Vendor 
     3. Survey Network Closets for Port Capacity and POE Availability
     4. Perform Predictive and Onsite Wireless Survey 
     5. Develop Detailed Physical and Logical Architecture
     6. Develop Survey Report and Create Cabling Bid Package 
     7. Order Hardware and Consider Lead Times on Project Plan 
     8. Identify Third-Party Training Requirements 
     9. Stage Hardware 
     10. Oversee Installation and Turn-up of Wireless Network Using Standard Change Management Process 
     11. Ensure that All Hardware Is Set up on the Enterprise Monitoring System 
     12. Validate Channel and Power Plan 
     13. Conduct Post-Implementation Survey and Make Modifications as Needed 
     14. Perform UAT Using Various Form Factors of End User Devices 
     15. Send a Series of Communications Outlining Offerings with Instructions 
     16. Develop Help Desk Knowledge Base for Common Troubleshooting 
     17. Create Runbook 
     18. Hand Off Support to Ongoing Operations Team 
     19. Ensure that a Process is in Place for Onboarding and Certifying Wireless Devices

Support Considerations and Lifecycle
Tool Set 
     Protocol Analyzer 
     Voice Analyzer 
     Spectrum Analyzer 
     Site Survey Software 
     Performance Software 
     Packet Capturing 
          Wireless Intrusion Prevention Systems (WIPS) 
     Wireless Network Management 
     Staffing Considerations 
          Vendor Neutral Training 
          Software Tool Training 
          Wireless Manufacturer Training 
     Wireless Runbook 
     Policies 
          Acceptable Use 
          Disaster Recovery 
          Procedures 
     Architecture
Systems Lifecycle 
     Routine Maintenance 
     Technical Support 
          Tier 1 
          Tier 2 
          Tier 3 
          Tier 4 
     Infrastructure Code Upgrade
     End User Device Considerations
     Lifecycle and Drivers for System Upgrades 
          Infrastructure Lifecycle 
          Client Device Lifecycle

Emerging Trends and Technologies
Demand for More Bandwidth and Denser Deployments 
     Device Density 
     Evolution of the Electronic Medical Record
     Mobile Voice and Video 
     Guest Access 
     Patient Engagement with Social Media 
     Device Consolidation 
     Shrinking Herds of CoWs and WoWs 
          Infrastructure 
          Client Devices
          Design and Planning 
Policy Management and Software Defined Networking (SDN) 
     The Rise of the Smart Phone 
     Application Performance and Security 
          IPv6 
          802.11u/Hotspot 2.0/Passpoint
mHealth

Index

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Author(s)

Biography

Ali Youssef is a Senior Network Architect specializing in mobility (CWNE #133) and digital health with over 18 years of design, strategy and operations experience. His passions include mHealth, patient engagement, patient experience, medical device design, and how IOT and mobile devices are transforming healthcare and improving clinical outcomes. Ali led the design, implementation, and ongoing support of one of the largest wireless networks in healthcare in North America. He speaks regularly at industry events like HIMSS, AAMI, CWNP, CTIA, IHP, and MDM&M, is an active member of the AAMI Wireless Strategy Task Force, and the chair for wireless technology for the Intelligent Hospital Association. He has authored several articles on topics ranging from network design to mobile medical device design, and a book entitled "Wi-Fi Enabled Healthcare."

Bob Zemke CPHIMS, CISSP is the Healthcare Solutions Manager at Extreme Networks and a member of the Association of Medical Instrumentation Wireless Strategy Task Force (WSTF). Bob has degrees in Telecommunications Management from Western Michigan University and a Master's degree in telecommunications and network management from Syracuse University’s prestigious iSchool. An IT professional with a broad span of experience in healthcare, Bob has been practicing and consulting in healthcare IT for over 15 years of experience in network design, deployment and management for hospital organizations globally. You can reach Bob on twitter @bobzemke

Doug McDonald CPHIMS, CWSP is the Wireless Network Manager for Henry Ford Health System in Rochester Hills, Michigan. He is responsible for over 7 million square feet of hospital grade wireless Infrastructure. He holds a Bachelor’s degree in Information Technology and Services Management from Michigan State University and is currently pursuing an Executive MBA at Oakland University. Doug has fifteen years of experience as an IT professional. A member on the mHIMSS task force and coauthor of the mHIMSS roadmap, he holds a number of certifications including CPHIMS, CWNA, CWSP, CWDP, and ITILV3. You can reach Doug on twitter @DougRMcDonald

Jon Linton CWNE #89 is a Senior Wireless Architect at Henry Ford Health System. He holds a BS in Management from Kettering University and is one of the first 100 Certified Wireless Experts in the CWNP organization. Jon also holds the ITILV3 certification. He has been active in publishing articles, presenting webinars and writing blog posts on all things Wi-Fi. You can reach Jon on twitter @wifisamuri

Aaron Earle CRISC, CISSP, CISA, CISM, CCNP, MCP, A+, Net+, and Security + has been securing computer and network systems for over a decade. In this time he has accumulated thirty five certifications and two corporations. Aaron Earle has been involved with System Auditing, Vulnerability Assessment, Security Architecture, and Corporate Policy Writing. Aaron is an avid speaker and instructor for many security organizations worldwide. He has taught for prestigious security organizations such as Computer Security Institute (CSI) and Information Systems Security Association (ISSA). Aaron has also instructed personnel from almost every United States three or four letter government agency including NSA, FBI, and DOD. Aaron Earle’s talent has taken him around the world informing, educating, and safeguarding governments and companies alike. You can reach Aaron at [email protected]