This paper treats MC-CDMA and MC-DS-CDMA with four kinds of orthogonal spreading sequence including even-shift orthogonal sequences (E-sequence) type zero ...
Abstract—In multi-carrier transmission systems, MC-CDMA and MC-DS-CDMA have been proposed. However, when large delay spread is longer than guard interval ...
In multi-carrier transmission systems, MC-CDMA and MC-DS-CDMA have been proposed. However, when large delay spread is longer than guard interval (GI), ...
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May 14, 2024 · and are spread using CDMA spreading sequences in the frequency domain and each of them is multiplied with short spreading code to distinct ...
Multicarrier Modulation - an overview | ScienceDirect Topics
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Using a longer symbol duration makes the transmission more robust against channel delay spread, that is, each subcarrier experiences a non-frequency selective ( ...
This article gives a detailed survey of the various spread spectrum and multicarrier modulation schemes proposed in the literature.
On a large delay spread channel caused by high data rate transmission, the ... Multicarrier CDMA Scheme with Interference Free Performance in Very Large Delay ...
Since 1993 various combinations of multi-carrier (MC) modulation and the spread spectrum (SS) technique have been introduced and the field of MC-SS ...
high coverage areas with a high delay spread, large spreading factors can be applied and for low coverage areas with a low delay spread the smallest spreading ...
Aug 15, 2023 · The delay spread of multi-path channels can be quantified in various ways, for which the simplest one is the time difference between the last ...