Digital radio

From Free net encyclopedia

Template:Cleanup-date 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:
  • COFDM
    • DVB
    • ISDB
  • 8VSB
    • ATSC
• Digital audio broadcasting:
  • Eureka 147 (branded as DAB)
  • in-band on-channel
    • iBiquity (branded as HD Radio)
    • Digital Radio Mondiale (branded as DRM)
• Low-bandwidth digital data broadcasting over existing FM radio:
  • Radio Data System (branded as RDS)
• Radio pagers:
  • FLEX
  • ReFLEX
  • POCSAG
  • Golay
  • NTT
  • 5/6-tone

Examples of two-way digital radio:

• Digital cellular telephony:
  • GSM
  • UMTS (sometimes called W-CDMA)
  • TETRA
  • IS-95 (cdmaOne)
  • IS-136 (D-AMPS, sometimes called TDMA)
  • IS-2000 (CDMA2000)
  • iDEN
• Wireless networking:
  • Wi-Fi
  • HIPERLAN
  • Bluetooth
  • ZigBee
• Military radio systems for Network-centric warfare
  • JTRS (Joint Tactical Radio System- a flexible software-defined radio)
  • SINCGARS (Single channel ground to air radio system)
• 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 802.16da:Digital radio

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