Essential Guide to Wireless ISPs - Netronics Networks

[Pages:171]Broadband Wireless Access

The Essential Guide for Wireless ISPs

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? Copyright 2003 Netronics Inc.All rights reserved. The material contained herein is proprietary, privileged, and confidential. No disclosure thereof shall be made to third parties without the express written permission of Netronics Inc. Netronics Inc. serves the right to alter the equipment specifications and descriptions in this publication without prior notice. No part of this publication shall be deemed to be part of any contract or warranty unless specifically incorporated by reference into such contract or warrant.

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The information contained in this guide is subject to change without notice Netronics Inc. shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this guide.

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Essential Guide to Wireless ISPs

Contents

Chapter 1 - Introduction ...........................................................................1-1 Chapter 2 - Wireless Access Systems Basics .......................................2-1

Licensed and Unlicensed Frequencies ..................................................... 2-2 Spread Spectrum Radio Technologies...................................................... 2-3 Industry Standards and Organizations .................................................... 2-4

Chapter 3 - Wireless Access System Architectures ..............................3-1

Sectorized Cellular Architecture ............................................................. 3-2 Micro-cellular Architecture ..................................................................... 3-5 Cell Extension ........................................................................................ 3-5

Chapter 4 - Customer Types ....................................................................4-1

Introduction ........................................................................................... 4-2 MDU/MTU Customers ............................................................................. 4-2 SME Customers ...................................................................................... 4-4 SOHO Customers .................................................................................... 4-4 Residential Customers ............................................................................ 4-5 Law Enforcement and Public Safety Agencies .......................................... 4-6

Chapter 5 - Services .................................................................................5-1

VLANs..................................................................................................... 5-7

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IP Services at the CPE............................................................................. 5-8 PPPoE ................................................................................................... 5-12

Chapter 6 - Business Case Analysis ...................................................... 6-1

The Market Model: Segments, Services and Revenues ............................. 6-4 The Costs................................................................................................ 6-5 The Financial Plan .................................................................................. 6-7 What You Need to Know Before You Start................................................ 6-7 Example Scenarios ................................................................................ 6-11

Chapter 7 - Netronics BWA Solutions Summar y.................................. 7-1

NetLink MP

................................................................................... 7-2

NetMAX 3500 ................................................................................... 7-7

NetLink D2411 .................................................................................. 7-9

NetLink F ......................................................................................... 7-10

NetLink RG 2-Ports Voice Gateway

............................................. 7-12

Chapter 8 - Security ................................................................................. 8-1

Introduction ........................................................................................... 8-2 Security Features in NetLink MP Systems .............................................. 8-3

Chapter 9 - Connectivity to Backbone Networks .................................. 9-1

Backbone Networks................................................................................. 9-2 Frame-Relay Backbone............................................................................ 9-7

Chapter 10 - Connectivity to PSTN Network........................................ 10-1

Essential Guide to Wireless ISPs

Contents

Connection to Local Exchange Using V5.2............................................. 10-2 Signaling Based on Independent VoIP Switching ................................... 10-4

Chapter 11 - The IP Access Network.....................................................11-1

Routing Protocols ................................................................................. 11-2 Routing Design Considerations ............................................................. 11-3

Chapter 12 - Network Operating Center (NOC) ....................................12-1

Email Services ...................................................................................... 12-2 Web Caching ......................................................................................... 12-3 RADIUS ................................................................................................ 12-4 IP Address Assignments ........................................................................ 12-4 NAT ...................................................................................................... 12-6 Firewalls............................................................................................... 12-8

Chapter 13 - RF Network Planning ........................................................13-1

Creating the Data Base - Busi ness Intelligence ..................................... 13-2 RF Network Planning ............................................................................ 13-4 Design Acceptance and Approval......................................................... 13-12

Chapter 14 - Network Management .......................................................14-1

Network management in General .......................................................... 14-2 Functional Areas of Network Management............................................. 14-2 Netronics BWA Network Management Solutions.................................... 14-6

Chapter 15 - Deployment Guidelines ....................................................15-1

Pre-Deployment Checklist..................................................................... 15-2 PoP Installation Guidelines ................................................................... 15-3 Base Station Installation Guidelines...................................................... 15-4

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CPE Selection Guidelines ...................................................................... 15-4 CPE Installation Guidelines................................................................... 15-5

Chapter 16 - MDU/MTU Solutions ......................................................... 16-1

The MDU/MTU Market .......................................................................... 16-2 The Architecture of an MDU/MTU Solution ........................................... 16-2 Using CAT5 Cabling............................................................................... 16-4 Using Existing Twisted Pairs-ADSL Based Solution ................................ 16-6

Essential Guide to Wireless ISPs

Figures

Figure 3-1: Polar plot of the radiation pattern of a directional antenna............... 3-3 Figure 3-2: Sectorized Cellular Architecture ...................................................... 3-3 Figure 5-1: DHCP Client-Server Handshake ....................................................... 5-9 Figure 5-2: DHCP Client-Relay-Server Handshake Process............................... 5-10 Figure 6-1: Penetration for Business services................................................... 6-13 Figure 6-2: Business Services - Cell Capacity vs. Cell Demand......................... 6-13 Figure 6-3: Penetration for Business Services-Mixed Scenario.......................... 6-16 Figure 6-4: Penetration for Residential Services-Mixed Scenario....................... 6-16 Figure 6-5: Mixed Scenario - Capacity Demand and Capability ....................... 6-17 Figure 9-1: Wireless base station connection using ATM access switch .............. 9-3 Figure 9-2: Wireless base station connection using Router & LAN Switch .......... 9-4 Figure 9-3: Wireless base station connection using Optical Backbone ................ 9-6 Figure 9-4: Wireless base station connection using Wireless Ethernet Backbone 9-7 Figure 10-1: V5.2 connection between PSTN and VoIP network ...................... 10-3 Figure 10-2: SS7 connection between PSTN and VoIP network ........................ 10-5 Figure 10-3: MFC-R2 connection between PSTN and VoIP network ................. 10-7 Figure 13-1: Down-Link C/I............................................................................. 13-8 Figure 13-2: Up-Link C/I ................................................................................ 13-9 Figure 13-3: Customers' Connectivity Dilemma ............................................. 13-10 Figure 13-4: Best RSS - customers' connectivity ............................................ 13-11 Figure 13-5: BS Antenna Tilt ......................................................................... 13-12 Figure 14-1: Basic Distributed Architecture ..................................................... 14-9

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