Hajra Akbar

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In this paper, the outage probability performance of optical inter-platform link is analyzed. Atmospheric turbulence is one of the main impairment affecting the operation of optical inter platform link. An inter-HAP channel was modeled as a random process with log normal distribution. The outage probability expression is theoretically derived and numerical(More)
This paper aims at evaluating bit error rate (BER) performance of optical inter platform link using intensity modulation/direct detection (IM/DD) with on-off keying (OOK) and an avalanche photodiode (APD) receiver based on analyzed theoretically. The atmosphere is not an ideal communication channel. Atmospheric turbulence is one of the main impairment(More)
The changing pattern in hepatitis C virus (HCV) clades overtime is not well known in Pakistan. To find out the changing pattern of different HCV clades over time in this country 22,125 patients were genotyped and tracked for a period of 11 years (2000–2010). A changing pattern in HCV clades was seen in this region during the study period. Sub-clade 3a(More)
Tropical pyomyositis is a bacterial infection of the skeletal muscles leading to abscess formation, occurring in the tropical areas, often following minor trauma. We report a case of pancarditis as the direct complication of pyomyositis in a 10-year-old girl who presented with painful swelling of her right thigh, high grade fever and impaired consciousness.(More)
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