The Digital radio reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Digital radio

Digital radio describes radio technologies which carry information as a digital signal. See also software radio for a discussion of radios which use digital signal processing.

Examples of one-way digital radio:

• Digital television broadcasting:
  • DVB
  • 8VSB
• Digital audio broadcasting:
  • Eureka 147
  • in-band on-channel
  • Digital Radio Mondiale
• Low-bandwidth digital data broadcasting over existing FM radio:
  • Radio Data System
• Radio pagers:
  • POCSAG

Examples of two-way digital radio:

• Digital cellular telephony:
  • GSM
  • UMTS
  • TETRA
  • IS-95
  • IS-136
  • IS-2000
  • iDEN
• Wireless networking:
  • Wi-Fi
  • HIPERLAN
  • Bluetooth
  • ZigBee
• Amateur packet radio:
  • AX.25
• Digital modems for HF:
  • PACTOR
• Satellite radio:
  • Satmodems
• Wireless local loop:
  • Basic Exchange Telephone Radio Service
• Broadband wireless access:
  • IEEE 802.16

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