Technology - Digital Broadcasting 5 - Mobile TV

Synopsis

Broadcasting real-time and stored for replay sound, video and multimedia material to small handheld devices such as cell phones is the ‘Holy Grail’ of both the telecommunications and broadcasting industries. We discuss the needs of such systems and the major approaches to achieving it: Eureka 147 T-DMB, DVB-H, ISDB-Tsb, Qualcomm’s promising MediaFLO and the broadcasting function of Mobile WiMAX. We also discuss the Japanese and South Korean MBSAT T-DMB broadcast system.

Table of Contents

  • 1. Synopsis
  • 2. Broadcasting to handheld devices
    • 2.1 3G Networks unsuitable
      • 2.1.1 Multimedia Broadcast/Multicast Service (MBMS)
    • 2.2 Mobile broadcasting requirements
      • 2.2.1 Reception
      • 2.2.2 Transmitter locations and power
      • 2.2.3 Program ‘tuning’ and multiple networks
      • 2.2.4 Cyclical presentation
      • 2.2.5 Power consumption
      • 2.2.6 Handset and antenna size
      • 2.2.7 Interactivity
      • 2.2.8 User interface flexibility
    • 2.3 DVB-H
      • 2.3.1 4K mode
      • 2.3.2 In-depth interleaving
      • 2.3.3 MPE Forward Error Correction (MPE-FEC)
      • 2.3.4 Internet Protocol Datacasting (IPDC)
      • 2.3.5 Time-slicing
      • 2.3.6 Handover
      • 2.3.7 Frequencies and data rates
      • 2.3.8 Integration with other systems
      • 2.3.9 Trials and services
      • 2.3.10 Chipsets
    • 2.4 Terrestrial Digital Multimedia Broadcasting (T-DMB)
      • 2.4.1 UK Movio/Livetime trial
      • 2.4.2 South Korean T-DMB
      • 2.4.3 Chipsets
    • 2.5 MobaHo (MBSAT) CDM direct broadcast satellite
      • 2.5.1 Terrestrial gap-filler transmitters
      • 2.5.2 Multi-path reception with RAKE receiver
    • 2.6 South Korean S-DMB
    • 2.7 MediaFLO
      • 2.7.1 Chipsets and antennae
      • 2.7.2 Data rates and channels
      • 2.7.3 Frequency diversity
      • 2.7.4 Hierarchical transmission
      • 2.7.5 Time-slicing
      • 2.7.6 Tune-in time
    • 2.8 Mobile WiMAX 802.16e
  • 3. Comparing the major technologies
    • 3.1 T-DMB vs DVB-H and MediaFLO
    • 3.2 Frequency diversity
    • 3.3 Frequency domain power reduction
    • 3.4 Time domain power reduction
    • 3.5 Time Diversity vs Tune-in Time
    • 3.6 Channels per Megahertz
  • 4. Related reports
  • Exhibit 1 – Maximum receiver velocities for DVB-H

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Focus Report Profile

Technologies

Broadcasting
Digital Media
Mobile & Wireless Broadband and Media
Mobile Communications (voice and infrastructure)

Number of pages 17

Status Archived

Last updated 26 Apr 2006
Update History

Analyst: Robin Whittle

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