Broadband Wireless Communications Business An

With the emergence of broadband wireless communication systems, new business opportunities have appeared for operators, content providers, and manufacturers. Broadband wireless communications technologies promise the freedom of constant access to the Internet at high speeds, without the limitation of connection cables.

<b>Riaz Esmailzadeh</b> has over 15 years experience in the telecommunications industry and has more than 50 patent applications and 70 conference and journal publications to his name. He invented a mode of Code-Division Multiple Access (CDMA) communications which has become part of worldwide 3G standards currently being deployed worldwide called TD-CDMA (Time Division CDMA). He is currently Associate Professor at Keio University in Japan where he is researching orthogonal frequency division multiplexing (OFDM) and TD-CDMA as used in wireless Local Area Networks (LANs), and delivery of high quality audio and video content through perceptual QoS management. He is also an independent consultant, working for several blue-chip companies including DoCoMo, Nokia and Samsung.

List of Figures.

List of Tables.

Preface.

Acknowledgements.

1 Background.

1.1 Fixed-line Data Communications.

1.2 Mobile Communications.

1.3 Wireless Data Communications.

1.4 BroadbandWireless.

1.4.1 Edholm’s Law.

1.5 DuplexModes.

1.6 Voice to Data.

1.6.1 Voice-over internet protocol.

1.7 Traffic Profiles.

1.8 Access Technologies.

1.8.1 Frequency division multiple access.

1.8.2 Time division multiple access.

1.8.3 Code division multiple access.

1.8.4 Channel sense multiple access.

1.9 Telecommunications Operator Business.

1.9.1 From pipe to content provider.

1.9.2 Flat rate.

Further Reading.

2 Wireless Communications.

2.1 Signal Fading.

2.1.1 Why fading?

2.2 Modulation.

2.2.1 Signal constellation.

2.3 Equalisation.

2.3.1 Time domain equalisation.

2.3.2 Frequency domain equalisation.

2.3.3 Code/multi-user domain equalisation.

2.4 Single Carrier andMulti Carrier.

2.4.1 Spread spectrum.

2.4.2 Orthogonal frequency division multiplexing.

2.4.3 Orthogonal frequency-code division multiplexing.

2.4.4 Transmission power fluctuation.

2.5 Diversity Reception.

2.5.1 Diversity combining methods.

2.5.2 Selection combining.

2.5.3 Maximum ratio combining.

2.6 Channel Coding.

2.6.1 Turbo codes.

2.6.2 LDPC codes.

2.6.3 Coding rate.

2.7 From Circuit Switched to Packet Switched.

2.7.1 Shared channels.

2.7.2 Packet scheduling.

2.7.3 Header compression.

2.7.4 Wireless VoIP.

2.7.5 Quality of service.

2.8 System Capacity.

2.8.1 Shannon theorem.

2.8.2 Trunking efficiency.

2.9 Coverage.

2.9.1 Link budget.

2.9.2 Multi-hop.

Further Reading.

3 Enhancing Technologies.

3.1 Frequency Reuse.

3.1.1 Noise limited.

3.1.2 Interference limited.

3.2 Capacity Limit.

3.2.1 Capacity in the presence of interference.

3.3 Signal and Interference.

3.3.1 Downlink.

3.3.2 Uplink.

3.4 Advanced Antennas.

3.4.1 Directional antennas.

3.4.2 Adaptive array antennas.

3.5 Coverage Extension.

3.5.1 Coverage extension using adaptive array antennas.

3.6 Interference Reduction.

3.6.1 Interference cancellation.

3.6.2 Joint detection.

3.6.3 Interference avoidance.

3.7 Hybrid ARQ.

3.7.1 Chase combining.

3.7.2 Incremental redundancy.

3.8 MIMO Antennas.

3.9 Voice Coding.

Further Reading.

4 Cellular Topologies.

4.1 Cell Structure.

4.1.1 Macro-cell.

4.1.2 Micro-cell.

4.1.3 Pico-cell.

4.1.4 Umbrella structure.

4.1.5 Repeaters.

4.1.6 Distributed antenna systems.

4.2 Wireless LAN Cellular Structure.

4.3 Distributed Base Stations.

4.3.1 Uplink distributed base stations.

4.3.2 Downlink distributed base stations.

4.3.3 Public-private multi-hop.

4.4 Mini-cell Structure.

4.5 Handover.

4.6 Ad hoc Networking.

Further Reading.

5 Cost of Spectrum.

5.1 Voice Systems.

5.1.1 FDMA systems.

5.1.2 TDMA systems.

5.1.3 CDMA systems.

5.2 Data Systems.

5.2.1 Peak throughput.

5.2.2 Average throughput.

5.2.3 Minimum throughput.

5.3 Data Throughput Efficiency.

5.3.1 WCDMA HSDPA.

5.3.2 WCDMA uplink.

5.3.3 TD-CDMA HSDPA.

5.3.4 WiMAX.

5.3.5 DoCoMo test system .

5.3.6 Wireless LAN throughput.

5.4 Spectrum Cost.

5.4.1 Cost per subscriber.

Further Reading.

6 Cost of Equipment.

6.1 Base Station Structure.

6.1.1 RF module.

6.1.2 Baseband module.

6.1.3 Transport module.

6.1.4 Control software.

6.1.5 Clock and power supply module.

6.1.6 Device volume.

6.1.7 Repeaters.

6.1.8 Base station supply chain.

6.2 IEEE 802.11 Wireless LAN Access Point.

6.3 Network Nodes Costs.

6.3.1 Radio network controller.

6.3.2 SGSN and GGSN.

6.3.3 HLR.

6.3.4 Total costs.

6.4 End-user Equipment.

6.4.1 RF module.

6.4.2 Antennas.

6.4.3 Baseband module.

6.4.4 Control software.

6.4.5 Clock and power supply module.

6.4.6 Peripherals.

6.4.7 Total costs.

6.4.8 Device volume.

Further Reading.

7 Network Design and Operation.

7.1 Network Design and Planning.

7.1.1 Stages in network design.

7.1.2 Technologies for increasing capacity.

7.2 Site Cost.

7.2.1 Rooftops and towers.

7.2.2 Micro/pico base station sites.

7.2.3 Installation.

7.2.4 Tuning.

7.2.5 Maintenance.

7.3 Backbone Fixed Connection.

7.3.1 Physical connections.

7.4 Networking Based on Access Points.

7.4.1 Access points and antennas.

7.4.2 Maintenance.

7.4.3 Fixed network connection.

7.5 Customer Costs.

7.5.1 Customer acquisition.

7.5.2 Customer service and billing.

7.6 Other Operating Costs.

7.6.1 Power consumption.

7.6.2 Spectrum fees.

7.6.3 Human resources.

7.7 Wholesale Operators – Network-less Operators.

Further Reading.

8 Services.

8.1 Revenue Flow.

8.2 Value Chain.

8.2.1 Nonportal content aggregations and creators.

8.2.2 Nonportal application platforms.

8.2.3 Portal content aggregations.

8.2.4 Third party billing.

8.2.5 Portal access.

8.2.6 End-user billing.

8.2.7 IP network access.

8.2.8 Mobile network access.

8.3 Service Classifications.

8.3.1 Mobile internet access.

8.3.2 Mobile intranet/extranet access.

8.3.3 Customised infotainment.

8.3.4 Multimedia messaging service (MMS).

8.3.5 Location-based services.

8.3.6 Rich voice and simple voice.

8.4 Total Revenue Forecast.

8.4.1 Flat rate.

Further Reading.

9 Scenarios.

9.1 Technologies.

9.1.1 WCDMA solution.

9.1.2 TD-CDMA solution.

9.1.3 WiMAX solution.

9.1.4 WLAN solution.

9.2 Market Size.

9.2.1 Japanese market.

9.2.2 Chinese market.

9.3 Services and Revenues.

9.3.1 Simple voice.

9.3.2 Rich voice.

9.3.3 Wireless DSL, urban.

9.3.4 Wireless DSL, rural.

9.3.5 Customised infotainment.

9.3.6 Mobile intranet/extranet.

9.3.7 Multimedia messaging service – consumer.

9.3.8 Multimedia messaging service – machine-to-machine.

9.3.9 Location-based services.

9.4 Service Classification.

9.4.1 Traffic per service.

9.4.2 Subscriber density and offered traffic.

9.4.3 Subscriber numbers.

9.5 Costs.

9.5.1 Cost of spectrum.

9.5.2 Cost of equipment.

9.5.3 Operating costs.

9.6 Cash Flow Scenarios.

9.6.1 Scenarios in Japan.

9.6.2 Scenarios in China.

Further Reading.

Glossary.

Index.

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Broadband Wireless Communications Business An Introduction to the Costs and Benefits of New Technologies

Summary

Author Biography

Table of Contents

Supplemental Materials