name: OFDMA
full_form: Orthogonal Frequency Division Multiple Access
context: Multi-user MIMO has been studied for both OFDMA and SC-FDMA. The results from the more detailed OFDMA studies are presented in Table 10.1.2.3-1 (initial results) based on case 1 and case 2 defined in Table A.2.1.1-1 except for the ITU channel model PA and VA. The results are based on full buffer traffic models and two multi-user MIMO scheduling ; random user pairing scheduling (RPS) and orthogonal pairing scheduling (OPS). OFDMA based system operated in orthogonal manner is compared with systems operated in non orthogonal manner (i.e. using spatial multiplexing). Table 10.1.2.3-1: OFDMA Full buffer, 10 MHz, 2 Rx (R1-051422) Table 10.1.2.3-2 presents similar results for the SC-FDMA system based on cases 1 and 2 defined in Table A.2.1.1-1 except that the ITU channel model PA, and VA were used, respectively. The results are based on full buffer traffic models and the same two multi-user MIMO scheduling algorithms as in the OFDMA case. SC-FDMA based system operated in orthogonal manner is
description: Orthogonal Frequency Division Multiple Access (OFDMA) is a multiple access technique used in wireless communication systems. It transmits multiple signals over a single channel using orthogonal frequencies, enabling efficient sharing of the spectrum. In this context, OFDMA is being evaluated for multi-user MIMO scenarios, comparing its performance in both orthogonal and non-orthogonal configurations.
explanation: OFDMA is classified as a Technology because it represents a specific method or standard used in telecommunications for managing multiple access to a shared channel. The description highlights its application within wireless communication systems and its evaluation for performance in multi-user MIMO scenarios.
section_title: 10.1.2.3	Evaluation of Multi-user MIMO
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