Syed Rashid Zaidi

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Mobile WiMAX is a rapidly growing broadband access technology based on IEEE 802.16 suite of standards. Supporting fast and seamless handover is a key requirement for the implementation of an efficient mobility framework in WiMAX systems. The IEEE 802.16 standard defines only the handover management framework but does not specify any specific handover(More)
— This paper proposes and devises a novel, simple, and cost effective PON-based 4G mobile backhaul RAN architecture that enables redistributing some of the intelligence currently centralized in the Mobile Packet Core (MPC) platform out into the access nodes of the RAN. Specifically, this work proposes and devises a fully distributed ring-based EPON(More)
Various mixtures of barite (BaSO 4) and celestine (SrSO 4) powders were prepared and fused at a temperature of 1000C for 10 hours to form barium-strontium sulfate [Ba x Sr 1-x SO 4 (x=0 to 0.85)]. X-ray powder diffraction (XRD) data of the fused barium-strontium sulfate powders were measured using a powder diffractometer with a copper X-ray tube. The XRD(More)
In the mol-ecule of the title compound, C(7)H(8)NO(2) (+)·Cl(-)·H(2)O, an intra-molecular N-H⋯O hydrogen bond results in the formation of a non-planar six-membered ring adopting a flattened boat conformation. In the crystal structure, inter-molecular O-H⋯O and N-H⋯Cl hydrogen bonds link the mol-ecules. There is a C=O⋯π contact between the carbonyl unit and(More)
A WiMAX TDD frame contains one downlink subframe and one uplink subframe, the capacity allocated to each subframe is a system parameter that should be determined based on the expected traffic conditions. Normally, the load in downlink is higher compared to uplink, hence the downlink subframe is expected to have a longer duration. The split between downlink(More)
Quantitative XRD analysis was performed on 172 samples mainly containing the paleosol section of Unayzah and Basal Khuff clastics taken from the cores of one well drilled by Saudi Aramco. Quantitative XRD bulk mineralogical determination was achieved using Rietveld refinement method whereas Quantitative XRD clay mineralogical determination of clay-size(More)
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