The effects of the multi‐beam directional antennas on the performance of a new wireless TDMA/FDD MAC system are presented. Directional antennas intrinsically enable development of the SDMA systems and allow transmitting and receiving signals simultaneously at the same time slot. Employing a dynamic slot allocation table at a base station with 4 or 8 sector directional antennas and holding the wireless terminals' location information, a new SDMA/TDMA/FDD frame structure has been developed for wireless communications. The simulation studies realized using OPNET Modeler show that the proposed SDMA/TDMA/FDD system has substantially increased the traditional TDMA/FDD system capacity and provides 1.37 to 4 times better mean delay results when the number of users is increased from 4 to 32 under the same load in the wireless network models.
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8 May 2008
WORLD CONGRESS ON ENGINEERING AND COMPUTER SCIENCE
24–26 October 2007
San Francisco (California)
Research Article|
May 08 2008
Exploitation of Multi‐beam Directional Antennas for a Wireless TDMA/FDD MAC
Sedat Atmaca;
Sedat Atmaca
Kocaeli University, Technical Education Faculty Electronics and Computer Education Department 41380 Kocaeli, Turkey
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Celal Ceken;
Celal Ceken
Kocaeli University, Technical Education Faculty Electronics and Computer Education Department 41380 Kocaeli, Turkey
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Ismail Erturk
Ismail Erturk
Kocaeli University, Technical Education Faculty Electronics and Computer Education Department 41380 Kocaeli, Turkey
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AIP Conf. Proc. 1007, 95–106 (2008)
Citation
Sedat Atmaca, Celal Ceken, Ismail Erturk; Exploitation of Multi‐beam Directional Antennas for a Wireless TDMA/FDD MAC. AIP Conf. Proc. 8 May 2008; 1007 (1): 95–106. https://doi.org/10.1063/1.2937619
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