WiMAX Network Components

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    WiMAX Network Components - Presentation Transcript

    1. WiMAX Radio Network and Capacity Planning forum December 8 - 9, 2005 Singapore Day 2 Session 3 : WiMAX network components E. Grenier
    2. WiMAX network components
      • The WiMAX Base Station (BS) in ICS telecom
        • General parameters
        • Sectorization aspects
        • Radiation pattern
      • The WiMAX Customer Premises Equipment (CPE) in ICS telecom
        • General parameters
        • Radiation patterns
      • The link between the CPE and its parent BS
        • Linkage regarding to the power recieved
        • Linkage regarding to the traffic
        • Linkage regarding to the interference
    3. WiMAX network components The WiMAX Base Station
    4. WiMAX network components The WiMAX Base Station Nominal power Dynamic : for power control Gain : different for the UL and the DL (sub-channelization) Losses : according to the linear loss of the cable + connector loss Radiated power Frequency : main transmitting frequency Antenna height in meters AGL or ARL Bandwidth : for the interference analysis (channel overlap) General parameters Each antenna can be configured using individual parameters
    5. WiMAX network components The WiMAX Base Station Sectorization aspects The user has full control on the number of sectors used by the Base Station. They can be co - localized or splitted on the rooftop.
    6. WiMAX network components The WiMAX Base Station
      • Radiation pattern
      • The antenna can be configured using:
        • H and a V pattern/sector
        • A full 3D pattern/sector
        • A full 3D pattern per antenna
        • (not advised for WiMAX planning purposes)
    7. WiMAX network components The WiMAX CPE
      • Fixed service
      • Nomadic service
      • (Mobile service)
    8. WiMAX network components The WiMAX CPE
      • How to model the CPE ?
      • On a macro-scale point of view using its sensitivity and gain for the coverage calculation
      • On a ponctual point of view using its individual technical parameters
    9. WiMAX network components The WiMAX CPE
      • CPE Radiation pattern
      • It can be directive (CPE) or not
      • It can be adaptive or not
      The pattern helps to fight interference and to optimize the spectrum
    10. WiMAX network components The link between the BS and the CPE (1/3)
      • The connectivity
      • Coverage mode
      • Point to Multipoint mode
    11. WiMAX network components The link between the BS and the CPE (2/3)
      • Traffic ?
      • Coverage mode
      • Point to Multipoint mode
      Gross achievable Bit Rate
    12. WiMAX network components The link between the BS and the CPE (3/3)
      • Interference ?
      • Coverage mode
      • Point to Multipoint mode
    13. WiMAX network components Conclusion Select the best equipment according to needs and the simulation in the planning tool ! ICS telecom allows the input of individual technical parameters for the WiMAX Base Station, and the WiMAX CPE as well. It allows the simulation of different equipement manufacturers, for comparison purposes. The analysis can be performed in coverage mode, or in ponctual mode.
    14. WiMAX Radio Network and Capacity Planning forum December 8 - 9, 2005 Singapore Day 2 What’s next ? Session 4 : WiMAX network dimensioning E. Grenier

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