High-Speed Wireless Communications: Ultra Wideband and IEEE802.11n - Technology and Market Assessment and Prospective for Homeland Security Applications

Published by: Practel, Inc.

Published: Mar. 1, 2006

Table of Contents

1.0 Introduction

1.1 General

1.2 UWB

1.3 802.11n

1.4 Goal

1.5 Structure

1.6 Research Methodology

1.7 Target Audience

Part I: UWB

2.1 History

2.1.1 Brief Description

3.0 Technology Specifics

3.1 General

3.1.1 Obstacles

3.1.2 Benefits

3.2 Definition

3.2.1 Rates

3.3 Spectrum Allocation

3.3.1 Choices

3.4 Major Features

3.4.1 Communications Features

3.5 Standards and Regulations

3.5.1 Multiband OFDM

3.5.2 DS-UWB

3.5.3 Standards Bodies

3.5.4 Groups

3.5.5 FCC and ETSI

3.5.6 ECMA International

3.5.7 ITU and International

3.5.8 Intel Efforts

4.0 Applications

4.1 General

4.2 Home Security

4.3 Phones

4.4 RFID

4.5 Communications and Imaging

4.5.1 WPAN

4.5.2 Imaging systems

4.5.3 Sensor networks

4.5.4 Vehicular radar systems

4.5.5 Ranging

4.6 Impacts on Public Safety

4.6.1 General

4.6.2 Five Elements of Interoperability

4.6.3 Emergency Communications: Support Features 4.7 Issues

5.0 Examples

5.1 Transceiver (military)

5.2 Ground Wave Propagation Device

5.3 25 Mb/s UWB Radio

5.4 Tagging Device

5.5 Aircraft Intercom

5.6 Ad Hoc Network

5.7Positioning Systems-EUROPCOM-First Responders Gear

5.8 Summary

6.0 Market Estimate

7.0 Industry

Aether (localization devices)

Alereon (chipsets)

Artimi (chipsets)

BBN (radio, first responders)

Camero (radar, equipment for first responders)

decaWave (chipsets)

Focus Enhancement (chipsets)

Freescale (chipsets, systems)

General Atomics (chipsets)

Multispectral (RFID and others)

Parco (RFID)

Pulse~ Link (chipsets)

Staccato (chipsets)

TriQuint (chipsets - homeland security applications)

Time Domain (chipsets-fusion of communications & radar)

Tzero (chipsets)

Ubisense (RFID-tracking)

Wisair (chipsets)

WiQuest (chipsets)

Part II 802.11n Technology and Market

8.0 Advanced Technologies: MIMO and Others

8.1 General

8.2 Spatial Multiplexing

8.3 OFDM

8.4 Directions

9.0 Standard

9.1 Ratification

10.0 Details: Technology

11.0 Benefits

12.0 Market

12.1 General

12.2 Market Forecast

12.2.1 Model Assumptions

12.2.2 Market Forecast

13.0 Industry Players

Atheros

Belkin

Broadcom

Intel

Ruckus

Linksys

Marvell

Metalink

Netgear

SiGe

14.0 Comparison: 802.11n and UWB

14.1 General

14.1.1 802.11n

14.1.2 Features Comparison

14.1.3 Major Applications

14.2 802.11n and UWB Standardization

14.2.1 Similarities and Differences

14.2.2 Assessment

14.3 Further Development

14.3.1 Transmit Power and Signal Bandwidth

14.3.2 The Impact of Multipath Fading on Receiver SNR Requirements

14.3.3 System Complexity and Power Consumption

15.0 Conclusions

List of Figures

Figure 1: UWB Spectrum

Figure 2: Market Estimate: UWB Circuitry ($B)

Figure 3: Market Estimate: Multiband OFDM UWB Circuitry ($B)

Figure 4: Market Estimate: DS UWB Circuitry ($B)

Figure 5: Estimate of UWB Market - Communications Applications ($B)

Figure 6: Basic two-antenna MIMO system with two-stream SDM example

Figure 7: 802.11 Protocol Family MAC Frame Structure

Figure 8: 802.11n IC Market Estimate ($M)

Figure 9: Market Estimate: 802.11n Equipment Shipping ($B)

List of Tables

Table 1: Comparison: DS-UWB and MB-OFDM

Table 2: FCC Emission Limits

Table 3: UWB Applications: Summary

Table 4: Comparison of different 802.11 transfer rates.

Table 5: Feature Comparison

Abstract

This report is about high-speed wireless communications, and particular about two technologies that are being standardized: Ultra Wideband and IEEE 802.11n. They have many similar and distinguished features, and both went through a bumpy road of the standardization process. What definitely unites these technologies is their ability to transport wirelessly vast amounts of information, which before were supported only by wireline communications. They also work relatively short distances (their communications channel is restricted usually by several hundred feet). There is a lot of discussion how these technologies can coexist or fight with each other.

The report concentrates on applications of UWB and 802.11n, and shows that though there are overlapping, both technologies are necessary to fill up gaps, which exist in wireless applications. In our opinion, UWB attracts more attention due to many useful features, especially for homeland security. We are not restricting the analysis of this technology just for WLAN applications and extend them to radar and other. At the same time, developers of 802.11n devices are making them also feature-reach, closing on UWB advantages. A number of the industry analysts see this as a sign that technologies even are merging; we do not envision that will happen in the analyzed period of time - technologies have completely different structure and compliment each other in some degree.

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