WiFi Networking. Christopher Couper, CTO IBM Pervasive/Wireless Solutions. Produced by Hospitality Financial and Technology Professionals

Transcription

1 WiFi Networking Christopher Couper, CTO IBM Pervasive/Wireless Solutions Produced by Hospitality Financial and Technology Professionals

2 WiFi adoption is showing dramatic growth is one of the few wireless sectors that currently evidence both adoption and growth. We believe the enterprise market, both office and facility, will be near-term adopters, with consumers and public hot spots to follow in the long-term US Public WLAN Network Deployments Revenues ($millions) Revenues Number of public areas te: Pioneer Consulting expects 156,000 hotspots worldwide by Number (thousands) Gartner: IDC: Source Synergy Research: Business- Week: Enterprise/Consumer Activities Nearly 25% of mobile business users will have some capabilities (through WLAN NICs, WLAN-equipped notebooks, phones, and PDAs) by the end of % of laptops will be WLAN equipped by 2004 As many as 19 million workers will use WLAN by 2006 An estimated 30% of large companies currently have WLAN as an adjunct to wired networks, expected to grow to 67% of the largest 1,000 companies by end of 2004 There will be 5.4 million WLAN users by 2003 In 2001, 835,000 homes had b capability, projected to grow to 4.2 million homes by 2004 Sales of WLAN equipment to residential customers and to small businesses grew more than 25 percent in the fourth quarter, to $225 million Starbucks says that WiFi is in 600 stores, and will be in 4,000 stores by end of 2003 Source: IDC, Gartner, BusinessWeek, Cahner s, Rutberg & Co. 2 HITEC WiFi June 23rd, 2004

3 WiFi is coming to publics places too 140, , ,000 80,000 60,000 40,000 Others Community Hot Spots Stations & Ports and Ports Enterprise Guesting Areas Shopping Malls Convention Centers Café/Restaurants Hotels Airports 20, Source: Gartner, Public Wireless LAN Hot Spots: Worldwide Trends and Forecasts, August HITEC WiFi June 23rd, 2004

4 Wireless LAN standards Wireless LAN 802.1b/a/g technical details Network Standard Frequency band Max data rate Max effective data rate Other data rates Wireless medium Modulation n-overlapping channels a 5 GHz 54 Mbps Mbps 48, 36, 24, 18, 12, 9 and 6 Mbps OFDM (Orthogonal Frequency Division Multiplexing) 64-QAM at 48 and 54 Mbps 16-QAM at 24 and 36 Mbps QPSK at 12 and 18 Mbps BPSK at 6 and 9 Mbps Eight (FCC = US) Four (Japan, Singapore, Taiwan) b 2.4 GHz 11 Mbps 5-7 Mbps 5.5, 2 and 1 Mbps CCK-DSSS (Complementary Code Keying- Direct sequence spread spectrum) CCK at 5.5 and 11 Mbps DQPSK at 2 Mbps DBPSK at 1 Mbps Three (One in France and Spain) g 2.4 GHz 54 Mbps Mb/s (in all.11g environment) Mb/s (in mixed environment with.11b clients) OFDM (native mode) CCK-DSSS (for.11b compatibility) OFDM 54,48,36,24,18,12,9, 6 CCK at 33, 22, 11, 5.5 Mbps DQPSK at 2 Mbps DBPSK at 1 Mbps Three (One in France and Spain) 4 HITEC WiFi June 23rd, 2004

5 Wireless LAN Range and Coverage Coverage area - distance and shape - varies from site to site The a coverage is typically somewhat smaller than b,g Shape of the coverage area can be altered with antennas Shape is affected by materials between mobile devices and access points Speed is related to distance and adjusts automatically Proper Site survey is essential to ensure desired coverage 1 Mbps 6 Mbps 11 Mbps 5.5 Mbps 36 Mbps 18 Mbps 12 Mbps 2 Mbps 9 Mbps 54 Mbps 48 Mbps ~100 meters (over 100 meters with directional antennas) 5 HITEC WiFi June 23rd, 2004

6 Wireless Broadband Network Technologies Mobile Wireless Broadband WWAN 3G, 4G, EDGE VSAT Extended Mobile Wireless Coverage WMAN WiMax Wireless Backhaul Multi-Point BACKHAUL BACKHAUL for Enterprises WLAN WiFi - WirelessLAN Mesh Network (AD Hoc) Devices and Mobile Users BACKHAUL for HOTSPOTS PAN IEEE Bluetooth 6 HITEC WiFi June 23rd, 2004

7 Comparisons of key wireless broadband networking technologies Technology Key Players Regulated Loc Det Distance Throughput Customers Sweet spot 3G cellular TEMs NEPs Yes Limited 30m out km k Top ~2mps Enterprise/ Gov/Cons Voice and mobility 4G cellular Flarion Yes Limited 30m out 5-10 km k Enterprise/ Gov/Cons Cost 25% < 3G Wi-Fi x Cisco Proxim m Rad AP m 1-54 mps Enterprise/ Gov/Cons Public and venues Beamforming Vivato 5-10 km 1 20 mps Enterprise/ Gov Low # devices P2P P2MP Motorola Proxim Some w GPS km 2 60 mps Enterprise/ Gov Rural Emerging a Alcatel Backhaul Ad Hoc Wi-fi Mix Tropos m Rad AP Cities 10 kps 100 mps Gov Low cost deploy-mnt Ad Hoc MeshNetw orks 2-30 m in/out Cities 700 k 4 mps Gov Location Autonomic Bluetooth, ZigBee & * CEMs PC s Sensors Prox <10m 20kps - 1(+)mps Consumer devices. Sensors Low power setup * On August 6, 2003 IEEE introduced with speed increases to 55 mps 7 HITEC WiFi June 23rd, 2004

8 WiFi as part of an overall wireless strategy The Technology Business Benefits 8 HITEC WiFi June 23rd, 2004

9 The commercial demand for broadband services is constantly changing from user demands always on Adult content Stocks and trading Online gaming Demand Broadband portal Education Music Movies TV Any Location Any Time Any Content High quality video High quality video conferencing High quality online gaming Video-On-Demand Gigabyte transfers Past ( ) Present ( ) Near Future ( ) 9 HITEC WiFi June 23rd, 2004

10 Typical WiFi Hospitality Profile Hotel Area User WLAN User Requirements Hotel Justification Guest Rooms / Public Area Average age of 36 years old Educated 70% college educated Affluent Household income of 100K+ Technology Savvy 90% - Online User 40% - Laptop Users 70% - PDA Loyalty Frequent Business Travellers Executive, managerial and/or consulting services Send s Use web engines to find information Research a product before buying Find restaurants, movies etc.. Increased demand by guests Increased demand from corporate accounts Meeting Rooms Users of meeting rooms come in all shapes and sizes from the religious workshops to dance banquets to productivity training. Examples of typical companies who require internet WLAN access in the meeting rooms: Technology Companies Financial Institutions Consulting Services Training Organizations Conduct interactive PC training Other web based or corporate data Increased demand by meeting planners Increased demand by corporate accounts Employee Housekeeping Engineering Front Office Manager Office Automation / Sales Managers Applications such as: Check out/check in Improving operational efficiencies for faster delivery of information. 10 HITEC WiFi June 23rd, 2004

11 WiFi - Its more than just hotspots Source: Harbor Research, HITEC WiFi June 23rd, 2004

12 Thank You 12 HITEC WiFi June 23rd, 2004