1. What is your company's total clientele/subscribers/users (10 Marks) Answer: 2. What is the offered traffic? Use answer 1 and speech usage given (10 Marks) Answer: 3. What is the total CCH overhead? (10 Marks) Answer: 4. What is the % age available codes for traffic? (10 Marks) Answer: 5. (a) What is the equivalent number of circuits? (10 Marks) Answer: (b) Using the Erlang B table (Table 3) determine the capacity. (10 Marks) 2. There is a large event coming up and you need to dimension base station needs to support mobile users. You are given the following information: Table 1 100,000 people will attend The service provider you work for has a 50% market share Speech usage is 10mE per user GOS for speech is 5% Data traffic per user is 250 kB/hr Average call data capacity A is 5Mbps Soft handover equates to 20% Total BS power is 38 dBm Speech call requires 150mW in the downlink Circuits Offered Circuits Offered Circuits Offered Circuits Offered Circuits Offered Circuits offere 11 0.053 21 16.189 1 35.584 61 55.573 B1 75.838 168 165.33 2 0.381 22 17.132 42 36.574 62 56.581 82 76.856 169 166.36 3 0.899 223 18.080 43 37.565 63 57.59083 167.40 77.874 170 78.893 171 14 (1.525 124 19.031 14 38.557 64 58.599 84 168.43 15 2.218 25 19.985 45 39.550 65 59.609 85 79.912 172 169.47 16 2.960 126 20.943 46 40.545 66 60.619 86 80.932 13 212.01 7 3.738 27 21.904 47 41.540 67 61.630 87 81.952 214 213.05 8 22.867 18 42.537 68 62.642 88 214.09 4.543 28 5.370 29 19 23.833 49 43.534 69 63.654 89 82.972 215 83.993 16 85,014 30 215.13 10 6.216 30 24.802 50 44.533 70 64.667 90 229.69 11 17.076 31 25.773 51 45.533 71 65.680 91 86.035 31 230.73 12 7.950 32 26.746 52 46.533 72 66.694 92 87.057 232 231.77 13 8.835 33 27.721 53 47.534 73 88.079 233 232.81 67.708 93 68.723 94 14 9.730 34 28.698 54 48,536 74 89.101 234 233.89 15 10.633 35 29.677 55 49.539 75 69.738 95 90.123 35 234.89 16 (11.544 36 30.657 56 50.543 76 70.753 96 91.146 140 448.93 17 31.640 57 51.548 77 71.769 97 92.169 441 449.98 12.461 37 13.385 38 18 32.624 58 52.553 78 72.786 98 93.193 442 451.03 19 14.315 39 452.07 20 15.249 40 453.12 33.609 59 53.559 179 73.803 99 94.216 443 34 596 50 54.566 80 74.820 100 95.240 444 (Erlang B Table. Number of Circuits versus Offered Traffic at 5% Gos) Table 2 Configuration Pattern National Standard Data Total CCH code overhead 5x SF128 codes dl Code Adm 80% aseDIAdm 240 aseUIAdm 260 pwrAdm 90% Maximum transmission power 45.4dBm for 40W MCPAs diHwAdm 90% ulHwAdm 95% 1. What is your company's total clientele/subscribers/users (10 Marks) Answer: 2. What is the offered traffic? Use answer 1 and speech usage given (10 Marks) Answer: 3. What is the total CCH overhead? (10 Marks) Answer: 4. What is the % age available codes for traffic? (10 Marks) Answer: 5. (a) What is the equivalent number of circuits? (10 Marks) Answer: (b) Using the Erlang B table (Table 3) determine the capacity. (10 Marks) 2. There is a large event coming up and you need to dimension base station needs to support mobile users. You are given the following information: Table 1 100,000 people will attend The service provider you work for has a 50% market share Speech usage is 10mE per user GOS for speech is 5% Data traffic per user is 250 kB/hr Average call data capacity A is 5Mbps Soft handover equates to 20% Total BS power is 38 dBm Speech call requires 150mW in the downlink Circuits Offered Circuits Offered Circuits Offered Circuits Offered Circuits Offered Circuits offere 11 0.053 21 16.189 1 35.584 61 55.573 B1 75.838 168 165.33 2 0.381 22 17.132 42 36.574 62 56.581 82 76.856 169 166.36 3 0.899 223 18.080 43 37.565 63 57.59083 167.40 77.874 170 78.893 171 14 (1.525 124 19.031 14 38.557 64 58.599 84 168.43 15 2.218 25 19.985 45 39.550 65 59.609 85 79.912 172 169.47 16 2.960 126 20.943 46 40.545 66 60.619 86 80.932 13 212.01 7 3.738 27 21.904 47 41.540 67 61.630 87 81.952 214 213.05 8 22.867 18 42.537 68 62.642 88 214.09 4.543 28 5.370 29 19 23.833 49 43.534 69 63.654 89 82.972 215 83.993 16 85,014 30 215.13 10 6.216 30 24.802 50 44.533 70 64.667 90 229.69 11 17.076 31 25.773 51 45.533 71 65.680 91 86.035 31 230.73 12 7.950 32 26.746 52 46.533 72 66.694 92 87.057 232 231.77 13 8.835 33 27.721 53 47.534 73 88.079 233 232.81 67.708 93 68.723 94 14 9.730 34 28.698 54 48,536 74 89.101 234 233.89 15 10.633 35 29.677 55 49.539 75 69.738 95 90.123 35 234.89 16 (11.544 36 30.657 56 50.543 76 70.753 96 91.146 140 448.93 17 31.640 57 51.548 77 71.769 97 92.169 441 449.98 12.461 37 13.385 38 18 32.624 58 52.553 78 72.786 98 93.193 442 451.03 19 14.315 39 452.07 20 15.249 40 453.12 33.609 59 53.559 179 73.803 99 94.216 443 34 596 50 54.566 80 74.820 100 95.240 444 (Erlang B Table. Number of Circuits versus Offered Traffic at 5% Gos) Table 2 Configuration Pattern National Standard Data Total CCH code overhead 5x SF128 codes dl Code Adm 80% aseDIAdm 240 aseUIAdm 260 pwrAdm 90% Maximum transmission power 45.4dBm for 40W MCPAs diHwAdm 90% ulHwAdm 95%