3g_hspa cell capacity estimation

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3G/HSPA+ capacity estimation

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  • Input ParametersAvailable Spectrum (MHz) 5Number of carriers per sector 1Softhandover Overhead % 30%

    Total Downlink Tx Power (W) 20Target Downlink Load % per cell 80%Control Load % per cell 20%

    30%

    Input - Traffic Model

    0.22

    4.00Total Subscriber per cell 300

    Eb/No [dB] Thrpt (kbps)Required EbNo

    UrbanSpeech 12.2 12.20 6.80

    PS 64/64 64.00 4.40 PS 128/128 128.00 4.30 PS 384/384 384.00 4.20

    3G Downlink Load % Estimation per Subscriber

    Service Bearer kbps per link Number of linksVoice 12.2kbps 12.2 0.22PS 64kbps 64 0.0213333333PS 128kbps 128 0.0035555556PS 384kbps 384 0.0035555556

    HSDPA Cell Capacity Estimation

    Type HSDPA Load %

    Urban1 50%

    Total 3G R99 Load % (Including Control Channel)

    BH Average Voice erlang per subscriber (erlangs)BH Average Data volume per subscriber (Mbytes)

    Average DL thrpt per user

    Simultaneous code-multiplexed HSDPA user number

  • Urban 2 50%

    Rural1 50%2 50%

    3G+HSDPA Shared Carrier - Site Capacity Estimation

    Clutter TypeUrban 3 1Urban 2 1Rural 3 1Rural 2 1

    Number of Sectors per site

    Number of Carriers/cells per sector

  • DataActivity factor 1Orthogonality-UrbanOrthogonality-Rural

    Other cell to own cell interferenceHSDPA G-factor

    Bearer Traffic Thrpt (kbps)

    PS 64 1.3653333333 409.6

    PS 128 0.4551111111 136.5333333333PS 384 1.3653333333 409.6HSDPA 5.9164444444 1774.9333333333

    Required EbNo Downlink Load % per linkRural Urban Rural

    7.10 0.87% 0.70% 4.70 3.90% 5.66% 4.60 7.63% 11.06% 4.50 22.36% 32.41%

    3G Downlink Load % Estimation per SubscriberRural

    Throughput(kbps) DL load per service DL load per link2.684 0.25% 0.91%1.3653333333 0.11% 7.35%0.4551111111 0.04% 14.37%1.3653333333 0.10% 42.13%

    5.8697777778 0.49%

    HSDPA Cell Capacity Estimation

    HS-SCCH Control Load % Average SINR per user8% 19.8947368421 2.6327116343

    Total Subscriber Thrpt (kbps) per cell

    Average DL load % per user

    Average HSDPA thrpt per user (Mbps)

  • 10% 9.4736842105 0.94307506938% 11.6307692308 1.223296307710% 5.5384615385 0.5253615385

    3G+HSDPA Shared Carrier - Site Capacity Estimation

    Total Number of Cells per site3 80% 20%2 80% 20%3 80% 20%2 80% 20%

    Target Total DL Load % per cell

    Control Load % per cell

  • InputCalculatedOutput

    Downlink Load % per linkHighway

    0.73%5.66%

    11.06%32.41%

    3G Downlink Load % Estimation per SubscriberRural

    0.20%0.16%0.05%0.15%

    0.56%

    HSDPA Cell Capacity Estimation

    2.6327116343

    DL load per service

    Total HSDPA thrpt (Mbps)

  • 1.88615013851.22329630771.0507230769

    3G+HSDPA Shared Carrier - Site Capacity Estimation

    HSDPA Load %30% 50% 5.6584504155 20.22332360130% 50% 3.772300277 20.22332360130% 50% 3.1521692308 17.923762817330% 50% 2.1014461538 17.9237628173

    3G R99 Load % (Including Control Channel)

    Total HSDPA Throughput (Mbps)

    Average Number of Subscriber supported per cell

  • 3G+HSDPA Shared Carrier - Site Capacity Estimation

    60.669970803 0.356119246 6.014569662 2.00485655440.446647202 0.237412831 4.009713108 2.00485655453.771288452 0.315625514 3.467794745 1.155931581635.8475256346 0.210417009 2.311863163 1.1559315816

    Average Number of Subscriber supported per Site

    Total 3G throughput (Mbps)

    Total Site Throughput (Mbps)

    Total Cell Throughput (Mbps)

    Sheet1