The Road to 4G: Will LTE, UMB and WiMAX Just Be Stops Along the Way?-全国最低价格-报告-预售报告-打折报告--3SEE网

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The Road to 4G: Will LTE, UMB and WiMAX Just Be Stops Along the Way?

完成日期：2007年08月

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Report's Content

Table of Contents
　　Executive Summary
　　Introduction
　　What is 4G?
　　　　ITU Definition
　　　　　　OFDMA
　　　　Informal Uses of “4G” Terminology
　　　　NGMN alliance
　　3G History and Overview
　　　　1G Technologie
　　　　2G Technologie
　　　　3G Technologies
　　　　　　The “Real” 3G Technologies
　　　　　　802.16e Mobile WiMAX
　　State of the Cellular and WiMAX Markets
　　　　Cellular Forecasts
　　　　　　Cellular Handset Forecasts: 2G/2.5G Technologies Dominate Market
　　　　　　Cellular in Mobile PCs: Still Waiting for Volumes
　　　　WiMAX Forecasts
　　4G Alternatives
　　　　LTE
　　　　UMB
　　　　802.16m WiMAX
　　4G Technology Cheerleaders: The Big Three
　　　　Ericsson
　　　　Qualcomm
　　　　Intel
　　Vendor Landscape
　　　　Equipment Vendors
　　　　　　Alcatel-Lucent
　　　　　　Nortel
　　　　　　Samsung
　　　　Semiconductor Vendors
　　　　　　Marvell
　　　　　　TI
　　　　Carriers
　　　　　　Sprint
　　Market Drivers
　　Glossary
　　Methodology
　　Related In-Stat Reports

List of Tables
　　Table 1. Mobile WiMAX Profiles
　　Table 2. Technologies Comparison: EV-DO vs. HSPA vs. 802.16e Mobile WiMAX
　　Table 3. Cellular Handset Chipset Forecasts per Technology
　　Table 4. Cellular Modem Chipset Unit Forecasts—for Mobile PCs (Units in Thousands)
　　Table 5. 802.16e Mobile WiMAX Chipset Shipment Forecasts—by Form Factor (Units in Thousands)
　　Table 6. Ericsson’s Expectation for Embedded 3G Cellular in Mobile PCs vs. In-Stat’s Forecast (Units in Thousands)
　　Table 7. Embedded Wi-Fi Attach Rate in Mobile PCs
　　Table 8. WiMAX Attach Rate in Mobile PCs—Trending to Wi-Fi’s Historical Attach Rate

List of Figures
　　Figure 1. What is 4G?
　　Figure 2. Cellular and WiMAX Technologies Timeline
　　Figure 3. Cellular Handset Chipset Forecasts per Technology
　　Figure 4. Cellular Modem Chipset Forecasts—for Mobile PCs (Units in Thousands)
　　Figure 5. 802.16e Mobile WiMAX Chipset Shipment Forecasts—by Form Factor (Units in Thousands)
　　Figure 6. Ericsson’s Expectation for Embedded 3G Cellular in Mobile PCs vs. In-Stat’s Forecast (Units in Thousands)
　　Figure 7. Qualcomm’s View of 3G Cellular Ubiquitous Coverage vs. More Limited Coverage of OFMA-based Mobile Broadband Technologies
　　Figure 8. Qualcomm’s Wireless WAN Technology Positioning
　　Figure 9. Can Intel Make This Happen?: Wi-Fi Attach Rate to Mobile PCs versus WiMAX Attach Rate to Mobile PCs, Mirroring Wi-Fi Attach Rate
　　Figure 10. Samsung’s Vision for 4G vs. Mobile WiMAX vs. HSDPA

Report's synopsis

　　Companies are extremely uncomfortable talking about "4G" technologies per se, since the ITU has not defined 4G yet. Most companies believe that the characteristics of IMT-Advanced, as defined by the ITU, will represent a definition of 4G. Two expected requirements within IMT-Advanced are that technologies be OFDMA-based, and that they support 100Mbps for mobile applications. Long Term Evolution (LTE), Ultra Mobile Broadband (UMB), and 802.16m WiMAX all fulfill these requirements, and are the primary 4G technology contenders.
　　
　　Each of the 4G technologies has a head cheerleader, with Intel supporting WiMAX, Ericsson touting LTE, and Qualcomm preferring UMB.
　　
　　LTE, UMB and 802.16m WiMAX are expected to be initially implemented in 2010; however, looking at the slow uptake rate of EV-DO and HSPA, it may be 2012 and beyond. In-Stat actually forecasts that GSM/GPRS and GSM/EDGE handsets will still make up the majority of cellular handsets in 2011, with EV-DO and HSPA handsets expected to overtake 2G technologies in 2012. This, perhaps, points to a slow build-out of 4G networks, in which operators will maintain their 3G networks for a long time, running these as complementary to their 4G networks.
　　
　　Initial implementations of LTE, UMB and 802.16m technologies may fall short of throughput and other expectations, with later enhancements to one or more of these technologies, or even some type of technology blend, actually bringing real 4G to the table.