TY - GEN
T1 - On capacity of OFDMA-based IEEE802.16 WiMAX including Adaptive Modulation and Coding (AMC) and inter-cell interference
AU - Tarhini, Chadi
AU - Chahed, Tijani
PY - 2007/12/1
Y1 - 2007/12/1
N2 - We study in this paper the capacity of the downlink of OFDMA-based IEEE802.16 WiMAX system in the presence of two types of traffic, streaming and elastic. We focus in particular on the impact of Adaptive Modulation and Coding (AMC) as well as inter-cell interference resulting from different frequency reuse schemes. Several performance measures, namely blocking rates, mean transfer time and the mean number of collisions between two OFDMA WiMAX cells, are then derived and quantified. We show that reuse partitioning results in a lower blocking probability for streaming flows in the inner region but a much higher one for elastic flows in the outer region; the overall cell throughput increases meaning that the decrease in the number of collisions improves the overall throughput.
AB - We study in this paper the capacity of the downlink of OFDMA-based IEEE802.16 WiMAX system in the presence of two types of traffic, streaming and elastic. We focus in particular on the impact of Adaptive Modulation and Coding (AMC) as well as inter-cell interference resulting from different frequency reuse schemes. Several performance measures, namely blocking rates, mean transfer time and the mean number of collisions between two OFDMA WiMAX cells, are then derived and quantified. We show that reuse partitioning results in a lower blocking probability for streaming flows in the inner region but a much higher one for elastic flows in the outer region; the overall cell throughput increases meaning that the decrease in the number of collisions improves the overall throughput.
U2 - 10.1109/LANMAN.2007.4295989
DO - 10.1109/LANMAN.2007.4295989
M3 - Conference contribution
AN - SCOPUS:46449094023
SN - 1424411009
SN - 9781424411009
T3 - LANMAN 2007 - Proceedings of the 2007 15th IEEE Workshop on Local and Metropolitan Area Networks
SP - 139
EP - 144
BT - LANMAN 2007 - Proceedings of the 2007 15th IEEE Workshop on Local and Metropolitan Area Networks
T2 - LANMAN 2007 - 2007 15th IEEE Workshop on Local and Metropolitan Area Networks
Y2 - 10 June 2007 through 13 June 2007
ER -