name: OFDMA
full_form: Orthogonal Frequency Division Multiple Access
context: of the evaluated scenarios, provides significant gain in terms of UL link-level sum throughput and overloading capability with ideal and realistic channel estimation. - Some non-orthogonal MA results combined with narrowband and/or repetition operations can reach -164 dB MCL @160bps data rate, which meets the coverage requirement for NR. - Non-orthogonal MA schemes using an advanced receiver have little or no performance loss due to MA signature (except RS) collision. Table 9.1.2-2: Link-level evaluation assumptions Table 9.1.2-3: Assumptions of preliminary link-level simulation results for non-orthogonal multiple access schemes comparing with OFDMA Table 9.1.2-4: Range of SNR gain of non-orthogonal multiple access over OFDMA with ideal channel estimation Table 9.1.2-5: Range of SNR gain of non-orthogonal multiple access over OFDMA with realistic channel estimation Table 9.1.2-6: MCL calculation of multiple access schemes with ideal and/or realistic channel estimation Table 9.1.2-7
description: Orthogonal Frequency Division Multiple Access (OFDMA) is a technique used in telecommunications to allow multiple users to share the same frequency band simultaneously. It achieves this by dividing the available bandwidth into multiple orthogonal subcarriers, each assigned to a different user. This orthogonality ensures that signals from different users do not interfere with each other, maximizing spectral efficiency and minimizing interference.
explanation: OFDMA is specifically classified as a Multiple Access Technique because its primary function is to enable multiple users to access the same communication channel without causing interference.
section_title: 9.1.2Performance evaluation of multiple access
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