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9. Chapter. The Wireless Revolution. THE WIRELESS COMPUTING LANDSCAPE. Business Value of Wireless Networking . Wireless communication helps businesses easily stay in touch with customers, suppliers, and employees.

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9

Chapter

The Wireless Revolution


THE WIRELESS COMPUTING LANDSCAPE

Business Value of Wireless Networking

  • Wireless communication helps businesses easily stay in touch with customers, suppliers, and employees.

  • Wireless networking increases worker productivity and output, as workers take less time to establish contact with people and to access information.


THE WIRELESS COMPUTING LANDSCAPE

Business Value of Wireless Networking (Continued)

  • Companies can save on wiring offices, moving, and making network changes by using wireless networks.

  • Wireless technology has also been the source of new products, services, and sales channels in a variety of industries, e.g. OnStar, Starbucks “hot spots”.


THE WIRELESS COMPUTING LANDSCAPE

Wireless Transmission Media and Devices

  • All wireless media rely on various parts of the electromagnetic spectrum.

  • Microwave systems transmit high-frequency radio signals through the atmosphere.

  • Communication satellites are used for geographically dispersed organizations.


Figure 9-2

THE WIRELESS COMPUTING LANDSCAPE

Frequency Ranges for Communications Media and Devices


THE WIRELESS COMPUTING LANDSCAPE

Cellular Network Standards and Generations

Standards:

  • Global System for Mobile Communication (GSM)

  • Code Division Multiple Access (CDMA)


THE WIRELESS COMPUTING LANDSCAPE

Cellular Generations:

  • 1G: Analog cellular networks for voice communication

  • 2G: Digital wireless networks, primarily for voice communication; limited data transmission capability


THE WIRELESS COMPUTING LANDSCAPE

Cellular Generations: (Continued)

  • 2.5G: Interim step toward 3G in the United States

  • 3G: High-speed; mobile; supports video and other rich media; always-on transmission for e-mail, Web browsing, instant messaging


THE WIRELESS COMPUTING LANDSCAPE

Mobile Wireless Standards for Web Access

  • Wireless Application Protocol (WAP): Uses Wireless Markup Language (WML) and microbrowsers

  • I-mode: Uses compact HTML and allows for continuous connection


Figure 9-4

THE WIRELESS COMPUTING LANDSCAPE

Wireless Application Protocol (WAP) versus I-mode


WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

The Institute of Electrical and Electronics Engineers (IEEE) established a hierarchy of complementary standards for wireless computer networks.

Global Wireless Network Standards:

  • IEEE 802.15 (Bluetooth) for the Personal Area Network (PAN)

  • IEEE 802.11 (Wi-Fi) for the Local Area Network (LAN)

Table 9-2


WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

Global Wireless Network Standards: (Continued)

  • IEEE 802.16 (WiMax) for the Metropolitan Area Network (MAN)

  • IEEE 802.20 (proposed) standard for the Wide Area Network (WAN)

Table 9-2 (Continued)


WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

Bluetooth

  • Can link up to 8 devices in 10-m area

  • Low power requirements


WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

Wi-Fi

  • Three standards: 802.11a, 802.11b, 802.11g

  • Infrastructure mode: Devices use access point to communicate with wired network

  • Ad-hoc mode (peer-to-peer): Wireless devices communicate directly with each other


Figure 9-5

WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

A Bluetooth Network (PAN)


Networks in cars
Networks in Cars

Bluetooth in Volvo Cars

http://www.volvocars.us/NR/rdonlyres/A268421D-9F15-4F3F-840A-84F2E44227C6/328014/BluetoothSellSheefinal120805t.pdf


Figure 9-6

WIRELESS COMPUTER NETWORKS AND INTERNET ACCESS

An 802.11 Wireless LAN


M-COMMERCE AND MOBILE COMPUTING

  • M-commerce: The use of the Internet for purchasing goods and services and also for transmitting messages using wireless mobile devices

  • Mobile computing: Enables internet-enabled cell phones, PDAs, and other wireless computing devices to access digital information on the Internet from any location


M-COMMERCE AND MOBILE COMPUTING

M-Commerce Services and Applications

  • Information-based services: Instant messaging, e-mail, searching for a movie or restaurant using a cell phone or handheld PDA

  • Transaction-based services: Purchasing stocks, concert tickets, music, or games; searching for the best price for an item using a cell phone and buying it in a physical store or on the Web

Table 9-3


M-COMMERCE AND MOBILE COMPUTING

M-Commerce Services and Applications (Continued)

  • Personalized services: Services that anticipate what a customer wants based on that person’s location or data profile, such as updated airline flight information or beaming coupons for nearby restaurants

Table 9-3 (Continued)


Figure 9-8

M-COMMERCE AND MOBILE COMPUTING

Customer Personalization with the Ubiquitous Internet


M-COMMERCE AND MOBILE COMPUTING

Accessing Information from the Wireless Web

  • Wireless portals: Content and services optimized for smaller screens of mobile devices to steer users to the information they are most likely to need

  • Voice portals: Accept voice commands for accessing Web content, e-mail, and other electronic applications from a cell phone or standard telephone


M-COMMERCE AND MOBILE COMPUTING

Digital Payment Systems and M-Commerce

  • Micropayment system

    • Individual service providers run their own separate payment systems

    • Small payments added on to single bill

  • Stored payment system

    • Cell phone equipped with smart card storing rechargeable electronic cash

  • Mobile Wallets (m-Wallets): Store personal data to use in online transactions


M-COMMERCE AND MOBILE COMPUTING

M-Commerce Challenges

  • Slow data transfer speeds on second-generation cellular networks, resulting in higher costs to customer

  • Limited memory and power supplies


M-COMMERCE AND MOBILE COMPUTING

M-Commerce Challenges (Continued)

  • More Web sites need to be designed specifically for small wireless devices.

  • Keyboards and screens on cell phones are still tiny and awkward to use.


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless Applications for Customer Relationship Management

Wireless CRM enables sales and field service professionals to:

  • Access customer account records and information at any time or location


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless Applications for Customer Relationship Management (Continued)

  • Update customer accounts and deal information to update customer database instantaneously

  • Receive alerts to important events

  • Enter, perform, and update transactions and product information


Figure 9-9

WIRELESS TECHNOLOGY IN THE ENTERPRISE

Pitney Bowes’s Wireless CRM System


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless Supply Chain Management (SCM) and Radio Frequency Identification (RFID)

  • Wireless supply chain management systems: Provide simultaneous accurate information about demand, supply, production, and logistics as goods move among supply chain partners

  • Radio Frequency Identification (RFID) systems: Provide a powerful technology for tracking the movement of goods throughout the supply chain


Figure 9-10

WIRELESS TECHNOLOGY IN THE ENTERPRISE

How RFID Works


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless in Health Care

Wireless Applications:

  • Electronic Medical Record (EMR) retrieval

  • Wireless note taking for patient charts

  • Lab test results

  • Prescription generation

  • Medical databases


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless Sensor Networks and Pervasive Computing

  • Wireless sensor networks (WSNs): Networks of interconnected wireless devices that are embedded into the physical environment to provide measurements of many points over large spaces


WIRELESS TECHNOLOGY IN THE ENTERPRISE

Wireless Sensor Networks and Pervasive Computing (Continued)

  • Pervasive computing: Wireless technologies are pushing computing into every facet of life, including cars, homes, office buildings, tools and factories; providing connections anywhere and anytime.


Figure 9-11

WIRELESS TECHNOLOGY IN THE ENTERPRISE

A Wireless Sensor Network

Source: From Jason Hill, Mike Horton, Ralph King, and Lakshman Krishnamurthy, “The Platforms Enabling Wireless Sensor Networks,” Communications of the ACM 47, no. 6 (June 2004).


MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS

Management Opportunities:

  • Wireless technology offers:

  • Flexible business processes

  • Business processes not limited by time or space

  • New channel for communicating with client

  • Source of new products and services


MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS

Management Challenges:

  • Integrating wireless technology into the firm’s IT infrastructure

  • Maintaining security and privacy


MANAGEMENT OPPORTUNITIES, CHALLENGES, AND SOLUTIONS

Solution Guidelines:

The following are some of the guidelines for managing mobile technology in the enterprise:

  • Identifying areas in which wireless can provide value

  • Creating a management framework for wireless technology

  • Using a pilot program before full-scale rollout of wireless systems


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