Optimization of Packet Length for MIMO systems

Ghassan Alnwaimi¹, Hatem Boujemaa², Kamran Arshad³

¹King Abdulaziz University, Kingdom of Saudi Arabia

²Sup’Com, COSIM Laboratory, Tunisia

³Ajman University, United Arab Emirates

ABSTRACT

In this article, a method to enhance the throughput for Multiple Input Multiple Output (MIMO) systems by optimizing packet length is proposed. Two adaptation algorithms are proposed. In the first algorithm, we use the Average Signal to Noise Ratio (ASNR) to choose the optimal packet length and Modulation and Coding Scheme (MCS) in order to maximize the throughput. In the second algorithm, packet length and MCS are adapted with respect to the Instantaneous received SNR (ISNR). This article concludes that the variable packet length gives up to 1.8 dB gain with respect to the Fixed Packet Length (FPL).

KEYWORDS

MIMO systems, Optimal packet length, Rayleigh fading channels.

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