Evolution of GMR-1

Extension

to Satellite

Evolution Path

• GSM (Phase 2)

  • Voice
  • Data up to 9.6 kbps
  • SMS, cell broadcast

• GPRS (Phase 2+)

  • Packet data to 160 kbps

• EDGE (Enhanced GPRS)

  • Packet data to 384 kbps

• UMTS(3GPP)

  • Specification in progress

• GMR-1 (Phase 2)
  • Voice
  • Data up to 9.6 kbps
  • SMS, cell broadcast
  • Position-based services, etc.

• GMR-1 (Phase 2+): Satellite (S-GPRS)
  • Packet data to 160 kbps

• GMR-1 (Phase 2+): Enhanced (ES-GPRS)
  • Packet to 432 kbps

Circuit Switch

Packet Switch

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