A number of innovative architectures and technologies have been introduced recently into the public wireless network infrastructure. Some of these, such as Wi-Fi and other 802.11 variants, were originally conceived for private wireless local-area network (WLAN) application; now they are viewed as viable service platforms. New architectures and antenna technologies are also being introduced to address the fundamental issues of wireless network capacity and coverage. This TecForum is divided into morning sessions on public WLANs and wide-area networks (WANs) and afternoon sessions on advances in wireless capacity and coverage.
| 8:30 am – Noon |
| Morning Sessions |
| Public Wireless LANs and WANs: Standards and Operations |
| The wireless technologies being deployed to provide "hot spot" coverage in public gathering places such as airports and coffee shops are in many respects identical to what are used for wireless LANs in homes and offices. Indeed, the ease of deploying network elements designed for consumer installation is a significant factor behind recent service-provider interest. However, operating these technologies for public wireless access introduces new issues in network management and amplifies concerns regarding network security. New capabilities to support mobility and interconnection with other networks are also being developed in response to this interest. |
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| 8:30 am – 8:45 am |
| | Introduction |
| Barry Sullivan, International Engineering Consortium |
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| 8:45 am – 9:30 am |
| Wireless Local-Area Networking Standards |
| This session is a review of the existing and emerging wireless network standards, focusing on the 802.11 solutions. The importance of standards will be explored along with the pitfalls of provisioning proprietary wireless networks.
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| 9:30 am – 10:15 am |
| Integrated Wireless LAN/3G: "Hot Spot" Market Opportunities and Data Operator Challenges |
| This session is a status report on WLAN/3G integration, including technical infrastructure requirements, emerging features and benefits, and market issues surrounding integration.
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| Roger A. Deeringer, Market Manager, CDMA Data, Wireless Networks Group, Lucent Technologies |
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| 10:15 am – 10:30 am |
| Networking Break |
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| 10:30 am – 11:15 am |
| What You Need to Know About Security for Your Wi-Fi Wireless LAN |
| How secure does your WLAN need to be? Will existing Wi-Fi security standards give your WLAN adequate protection? What security issues does 802.1X address? This session is an overview of how to protect your WLAN against a range of security threats.
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| Mark Beaton, Senior Product Manager, Navini Networks |
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| 11:15 am – Noon |
| Mobility Management across LANs and WANs |
| This session is a discussion of how WLAN roaming works, mobility management requirements and implementation, and business models enabled by mobility management.
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| Wen-Khang Han, Founder and Director of Technology, Watercove Networks |
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| Noon – 1:00 pm |
| TecForum Lunch |
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| 1:00 pm – 4:30 pm |
| Afternoon Sessions |
| Advances in Wireless Capacity and Coverage: Antennas and Architectures |
| To minimize early and ongoing total quarterly expense, owners of broadband radio networks typically seek to deploy, quarter by quarter, coverage and capacity adequate to support ongoing sales—but no excess coverage nor capacity. To minimize early and ongoing tower lease expense, owners serving non-mobile customers are beginning to deploy mesh-architecture radio networks. To minimize later and ongoing spectrum license expense, owners serving both mobile and non-mobile customers are beginning to deploy antenna arrays that can produce real-time steerable beams and nulls. This session will review the design goals and constraints for mesh versus point-to-multipoint networks, and the design goals and constraints for steerable beams versus fixed. Current examples of each will be described. |
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| 1:00 pm – 1:15 pm |
| Introduction |
| Wes Vivian, Lecturer, University of Michigan |
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| 1:15 pm – 2:00 pm |
| Broadband Mesh Network Design Using Isotropic Antennas |
| Design goals and constraints for non-mobile customers are discussed in this session, with a 2.4 GHz example.
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| Paul Beastall, Manager, Customer Solutions, Radiant Networks |
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| 2:45 pm – 3:00 pm |
| Networking Break |
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| 3:00 pm – 3:45 pm |
| Spectral Efficiency and Broadband Data Services |
| The motivations for high spectral efficiency and the techniques to achieve it are examined in this session.
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| Paul Petrus, Manager, System Design Group, Research and Development, ArrayComm |
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| 3:45 pm – 4:30 pm |
| MIMO Arrays for Mobile and Non-Mobile Applications
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| Randall Schwartz, Beam Reach Networks |
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| CHAIRPERSON:
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| Barry Sullivan, Director, Content Development, International Engineering Consortium, manages technical programs for educational conferences targeted at practicing engineers in wireless and other communication fields. He is also an adjunct professor in the Master of Information Technology Program at Northwestern University. Mr. Sullivan formerly led technology strategy for new-product development at Ameritech.
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| Weston Vivian, Founder and President, Vivian Associates Inc., focuses on forecasting and facilitating the forthcoming worldwide proliferation of multimedia broadcast telecommunications services, particularly Internet-enabled services. For numerous firms, he has assessed prospective telecommunications services business opportunities, wired and wireless, first examining regulatory environments and entry alternatives, then forecasting market demand, supply costs, prospective competitive shares, and potential financial return.
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| SPEAKERS:
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| David Beyer, Head of Wireless Routing, Nokia, is the founder of Rooftop Communications, the start-up company that Nokia acquired in September 1999 to strengthen its wireless routing technology capabilities.
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| Tim Fowler, Radiant Networks
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| Roger A. Deeringer, Market Manager, CDMA Data, Wireless Networks Group, Lucent Technologies, has previously been involved with the AT&T/Lucent Technologies wireless data systems—including CDPD, wireless LAN, and CDMA/TDMA circuit-switched and packet-switched data options—and has provided input for the next-generation (3G) data components for the Wireless Network Systems Group. Mr. Deeringer now provides the technical marketing for Lucent's Wireless Data Infrastructure Offering.
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| Mark Beaton, Senior Product Manager, Navini Networks, has extensive broadband wireless communications experience, focusing on last-mile solutions. He has led development teams for both LMDSs and MMDSs and is currently working on the development of next-generation (smart-antenna technology) wireless broadband systems, focusing on software architecture and system-level market requirements in addition to technical development for Navini CPE licensing.
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| Wen-Khang Han, Founder and Director of Technology, Watercove Networks, has held numerous positions at Motorola, from senior engineering manager to managing director of the Malaysia-Singapore Software Center. He began his career at Infinet and also served at Memotec Data Comm after it acquired Infinet. Mr. Han has more than 16 years of engineering experience in the development of real-time critical software and firmware for telecommunications systems and networks.
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| Paul Petrus, Manager, System Design Group, Research and Development, ArrayComm, leads the group that develops the protocol for their high-speed wireless data product, i-Burst. His research interests are in the field of smart antenna processing, multichannel modeling, resource allocation, and access control schemes.
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| Randall Schwartz, Network Director, Business Development, BeamReach Networks, is responsible for marketing and business-development activities at BeamReach Networks, a vendor of advanced broadband wireless access systems. He is the vice chairman of the TDD Coalition for the broadband wireless industry and is a lead contributor in the development of IEEE standards for the broadband wireless industry.
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| Paul Beastall, Manager, Customer Solutions, Radiant Networks, spent the early part of his career working for British Telecom on fixed wireless access technologies. Having spent his time as an R&D engineer, he moved into BT Worldwide to work on access network strategy and deployment planning with second and third operators in Europe and the Asia-Pacific. He then joined Scientific Generics as an access network strategy consultant leading business planning, license bids, and deployment strategy activities. Currently, he is driving the introduction of MESHWORKS into the access networks of today's leading broadband operators.
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